1 | <?php |
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2 | /*======================================================================= |
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3 | // File: JPGRAPH.PHP |
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4 | // Description: PHP4 Graph Plotting library. Base module. |
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5 | // Created: 2001-01-08 |
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6 | // Author: Johan Persson (johanp@aditus.nu) |
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7 | // Ver: $Id: jpgraph.php 21908 2006-06-21 18:30:15Z ralfbecker $ |
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8 | // |
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9 | // License: This code is released under GPL 2.0 |
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10 | // Copyright (C) 2001 Johan Persson |
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11 | //======================================================================== |
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12 | */ |
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13 | |
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14 | // Get all directory paths |
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15 | include ( "jpgraph_dir.php" ); |
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16 | |
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17 | // What group should the cached file belong to |
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18 | // (Set to "" will give the default group for the "PHP-user") |
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19 | // Please note that the Apache user must be a member of the |
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20 | // specified group since otherwise it is impossible for Apache |
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21 | // to set the specified group. |
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22 | DEFINE("CACHE_FILE_GROUP",""); |
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23 | |
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24 | // What permissions should the cached file have |
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25 | // (Set to "" will give the default persmissions for the "PHP-user") |
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26 | DEFINE("CACHE_FILE_MOD",0664); |
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27 | |
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28 | // Should we try to find an image in the cache before generating it? |
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29 | // Set this define to false to bypass the reading of the cache and always |
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30 | // regenerate the image. Note that even if reading the cache is |
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31 | // disabled the cached will still be updated with the newly generated |
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32 | // image. Set also "USE_CACHE" below. |
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33 | DEFINE("READ_CACHE",false); |
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34 | |
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35 | // Should the cache be used at all? By setting this to false no |
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36 | // files will be generated in the cache directory. |
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37 | // The difference from READ_CACHE being that setting READ_CACHE to |
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38 | // false will still create the image in the cache directory |
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39 | // just not use it. By setting USE_CACHE=false no files will even |
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40 | // be generated in the cache directory. |
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41 | DEFINE("USE_CACHE",false); |
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42 | |
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43 | // If the color palette is full should JpGraph try to allocate |
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44 | // the closest match? If you plan on using background image or |
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45 | // gradient fills it might be a good idea to enable this. |
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46 | // If not you will otherwise get an error saying that the color palette is |
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47 | // exhausted. The drawback of using approximations is that the colors |
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48 | // might not be exactly what you specified. |
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49 | // Note1: This does only apply to paletted images, not truecolor |
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50 | // images since they don't have the limitations of maximum number |
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51 | // of colors. |
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52 | DEFINE("USE_APPROX_COLORS",true); |
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53 | |
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54 | // Should usage of deprecated functions and parameters give a fatal error? |
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55 | // (Useful to check if code is future proof.) |
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56 | DEFINE("ERR_DEPRECATED",true); |
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57 | |
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58 | // Should the time taken to generate each picture be branded to the lower |
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59 | // left in corner in each generated image? Useful for performace measurements |
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60 | // generating graphs |
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61 | DEFINE("BRAND_TIMING",false); |
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62 | |
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63 | // What format should be used for the timing string? |
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64 | DEFINE("BRAND_TIME_FORMAT","Generated in: %01.3fs"); |
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65 | |
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66 | // Decide if we should use the bresenham circle algorithm or the |
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67 | // built in Arc(). Bresenham gives better visual apperance of circles |
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68 | // but is more CPU intensive and slower then the built in Arc() function |
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69 | // in GD. Turned off by default for speed |
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70 | DEFINE("USE_BRESENHAM",false); |
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71 | |
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72 | // Deafult graphic format set to "auto" which will automtically |
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73 | // choose the best available format in the order png,gif,jpg |
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74 | // (The supported format depends on what your PHP installation supports) |
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75 | DEFINE("DEFAULT_GFORMAT","auto"); |
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76 | |
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77 | // Special unicode language support |
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78 | DEFINE("LANGUAGE_CYRILLIC",false); |
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79 | |
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80 | // Enable some extra debug information to be shown. |
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81 | // (Should only be used if your first name is Johan) |
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82 | DEFINE("JPG_DEBUG",false); |
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83 | |
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84 | // Should the image be a truecolor image? |
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85 | // Note 1: Can only be used with GD 2.0.2 and above. |
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86 | // Note 2: GD 2.0.1 + PHP 4.0.6 on Win32 crashes when trying to use |
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87 | // trucolor. Truecolor support is to be considered alpha since GD 2.x |
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88 | // is still not considered stable (especially on Win32). |
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89 | // Note 1: MUST be enabled to get background images working with GD2 |
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90 | // Note 2: If enabled then truetype fonts will look very ugly |
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91 | // => You can't have both background images and truetype fonts in the same |
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92 | // image until these bugs has been fixed in GD 2.01 |
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93 | DEFINE('USE_TRUECOLOR',true); |
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94 | |
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95 | //------------------------------------------------------------------ |
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96 | // Constants which are used as parameters for the method calls |
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97 | //------------------------------------------------------------------ |
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98 | |
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99 | // TTF Font families |
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100 | DEFINE("FF_COURIER",10); |
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101 | DEFINE("FF_VERDANA",11); |
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102 | DEFINE("FF_TIMES",12); |
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103 | DEFINE("FF_HANDWRT",13); |
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104 | DEFINE("FF_COMIC",14); |
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105 | DEFINE("FF_ARIAL",15); |
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106 | DEFINE("FF_BOOK",16); |
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107 | DEFINE("FF_VERA",17); |
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108 | |
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109 | // TTF Font styles |
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110 | DEFINE("FS_NORMAL",1); |
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111 | DEFINE("FS_BOLD",2); |
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112 | DEFINE("FS_ITALIC",3); |
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113 | DEFINE("FS_BOLDIT",4); |
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114 | |
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115 | //Definitions for internal font, new style |
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116 | DEFINE("FF_FONT0",1); |
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117 | DEFINE("FF_FONT1",2); |
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118 | DEFINE("FF_FONT2",4); |
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119 | |
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120 | //Definitions for internal font, old style |
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121 | // (Only defined here to be able to generate an error mesage |
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122 | // when used) |
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123 | DEFINE("FONT0",99); // Deprecated from 1.2 |
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124 | DEFINE("FONT1",98); // Deprecated from 1.2 |
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125 | DEFINE("FONT1_BOLD",97); // Deprecated from 1.2 |
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126 | DEFINE("FONT2",96); // Deprecated from 1.2 |
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127 | DEFINE("FONT2_BOLD",95); // Deprecated from 1.2 |
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128 | |
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129 | // Tick density |
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130 | DEFINE("TICKD_DENSE",1); |
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131 | DEFINE("TICKD_NORMAL",2); |
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132 | DEFINE("TICKD_SPARSE",3); |
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133 | DEFINE("TICKD_VERYSPARSE",4); |
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134 | |
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135 | // Side for ticks and labels. |
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136 | DEFINE("SIDE_LEFT",-1); |
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137 | DEFINE("SIDE_RIGHT",1); |
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138 | DEFINE("SIDE_DOWN",-1); |
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139 | DEFINE("SIDE_UP",1); |
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140 | |
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141 | // Legend type stacked vertical or horizontal |
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142 | DEFINE("LEGEND_VERT",0); |
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143 | DEFINE("LEGEND_HOR",1); |
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144 | |
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145 | // Mark types for plot marks |
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146 | DEFINE("MARK_SQUARE",1); |
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147 | DEFINE("MARK_UTRIANGLE",2); |
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148 | DEFINE("MARK_DTRIANGLE",3); |
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149 | DEFINE("MARK_DIAMOND",4); |
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150 | DEFINE("MARK_CIRCLE",5); |
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151 | DEFINE("MARK_FILLEDCIRCLE",6); |
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152 | DEFINE("MARK_CROSS",7); |
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153 | DEFINE("MARK_STAR",8); |
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154 | DEFINE("MARK_X",9); |
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155 | |
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156 | // Styles for gradient color fill |
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157 | DEFINE("GRAD_VER",1); |
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158 | DEFINE("GRAD_HOR",2); |
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159 | DEFINE("GRAD_MIDHOR",3); |
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160 | DEFINE("GRAD_MIDVER",4); |
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161 | DEFINE("GRAD_CENTER",5); |
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162 | DEFINE("GRAD_WIDE_MIDVER",6); |
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163 | DEFINE("GRAD_WIDE_MIDHOR",7); |
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164 | |
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165 | // Inline defines |
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166 | DEFINE("INLINE_YES",1); |
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167 | DEFINE("INLINE_NO",0); |
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168 | |
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169 | // Format for background images |
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170 | DEFINE("BGIMG_FILLPLOT",1); |
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171 | DEFINE("BGIMG_FILLFRAME",2); |
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172 | DEFINE("BGIMG_COPY",3); |
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173 | DEFINE("BGIMG_CENTER",4); |
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174 | |
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175 | // Depth of objects |
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176 | DEFINE("DEPTH_BACK",0); |
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177 | DEFINE("DEPTH_FRONT",1); |
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178 | |
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179 | // Direction |
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180 | DEFINE("VERTICAL",1); |
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181 | DEFINE("HORIZONTAL",0); |
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182 | |
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183 | // Constants for types of static bands in plot area |
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184 | DEFINE("BAND_RDIAG",1); // Right diagonal lines |
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185 | DEFINE("BAND_LDIAG",2); // Left diagonal lines |
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186 | DEFINE("BAND_SOLID",3); // Solid one color |
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187 | DEFINE("BAND_LVERT",4); // Vertical lines |
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188 | DEFINE("BAND_LHOR",5); // Horizontal lines |
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189 | DEFINE("BAND_VLINE",4); // Vertical lines |
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190 | DEFINE("BAND_HLINE",5); // Horizontal lines |
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191 | DEFINE("BAND_3DPLANE",6); // "3D" Plane |
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192 | DEFINE("BAND_HVCROSS",7); // Vertical/Hor crosses |
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193 | DEFINE("BAND_DIAGCROSS",8); // Diagonal crosses |
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194 | |
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195 | |
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196 | |
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197 | // |
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198 | // First of all set up a default error handler |
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199 | // |
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200 | |
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201 | //============================================================= |
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202 | // The default trivial error handler. |
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203 | // A production quality error handler should generate an image |
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204 | // containing the text of the error. |
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205 | //============================================================= |
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206 | class JpGraphErrObject { |
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207 | function JpGraphErrObject() { |
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208 | // Empty. Reserved for future use |
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209 | } |
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210 | |
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211 | // If aHalt is true then execution can't continue. Typical used for |
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212 | // fatal errors |
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213 | function Raise($aMsg,$aHalt=true) { |
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214 | if( $aHalt ) |
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215 | die($aMsg); |
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216 | else |
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217 | echo $aMsg."<p>"; |
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218 | } |
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219 | } |
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220 | |
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221 | // |
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222 | // A wrapper class that is used to access the specified error object |
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223 | // (to hide the global error parameter and avoid having a GLOBAL directive |
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224 | // in all methods. |
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225 | // |
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226 | class JpGraphError { |
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227 | function Install($aErrObject) { |
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228 | GLOBAL $__jpg_err; |
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229 | $__jpg_err = $aErrObject; |
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230 | } |
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231 | function Raise($aMsg,$aHalt=true){ |
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232 | GLOBAL $__jpg_err; |
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233 | $tmp = new $__jpg_err; |
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234 | $tmp->Raise($aMsg,$aHalt); |
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235 | } |
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236 | } |
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237 | |
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238 | // |
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239 | // ... and install the default error handler |
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240 | // |
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241 | JpGraphError::Install("JpGraphErrObject"); |
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242 | |
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243 | // |
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244 | //Check if there were any warnings, perhaps some wrong includes by the |
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245 | //user |
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246 | // |
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247 | if( isset($GLOBALS['php_errormsg']) ) { |
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248 | JpGraphError::Raise("<b>General PHP error:</b><br>".$GLOBALS['php_errormsg']); |
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249 | } |
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250 | |
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251 | // |
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252 | // Check what version of the GD library is being used |
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253 | // |
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254 | if(function_exists('imagecopyresampled') ) { |
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255 | $gd2 = true; |
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256 | $copyfunc = "imagecopyresampled"; |
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257 | } elseif(function_exists('imagecopyresized')) { |
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258 | $copyfunc = "imagecopyresized"; |
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259 | $gd2 = false; |
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260 | } |
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261 | else { |
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262 | JpGraphError::Raise("<b>JpGraph Error:</b> Your PHP installation does not |
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263 | have the required GD library. |
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264 | Please see the PHP documentation on how to install and enable the GD library."); |
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265 | } |
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266 | |
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267 | |
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268 | // Usefull mathematical function |
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269 | function sign($a) {if( $a>=0) return 1; else return -1;} |
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270 | |
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271 | // Utility function to generate an image name based on the filename we |
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272 | // are running from AND assuming we use auto detection of graphic format |
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273 | // (top level), i.e it is safe to call this function |
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274 | // from a script that uses JpGraph |
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275 | function GenImgName() { |
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276 | $supported = imagetypes(); |
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277 | if( $supported & IMG_PNG ) |
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278 | $img_format="png"; |
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279 | elseif( $supported & IMG_GIF ) |
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280 | $img_format="gif"; |
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281 | elseif( $supported & IMG_JPG ) |
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282 | $img_format="jpeg"; |
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283 | if( !isset($_SERVER['PHP_SELF']) ) |
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284 | JpGraphError::Raise("<b>JpGraph Error:</b> Can't access PHP_SELF, PHP global variable. You can't run PHP from command line |
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285 | if you want to use the 'auto' naming of cache or image files."); |
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286 | $fname=basename($_SERVER['PHP_SELF']); |
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287 | // Replace the ".php" extension with the image format extension |
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288 | return substr($fname,0,strlen($fname)-4).".".$img_format; |
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289 | } |
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290 | |
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291 | |
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292 | class LanguageConv { |
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293 | |
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294 | // Translate iso encoding to unicode |
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295 | function iso2uni ($isoline){ |
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296 | for ($i=0; $i < strlen($isoline); $i++){ |
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297 | $thischar=substr($isoline,$i,1); |
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298 | $charcode=ord($thischar); |
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299 | $uniline.=($charcode>175) ? "&#" . (1040+($charcode-176)). ";" : $thischar; |
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300 | } |
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301 | return $uniline; |
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302 | } |
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303 | |
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304 | function ToCyrillic($aTxt) { |
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305 | $koistring = $aTxt; |
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306 | $isostring = convert_cyr_string($koistring, "k", "i"); |
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307 | $unistring = LanguageConv::iso2uni($isostring); |
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308 | $this->t = $unistring; |
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309 | return $aTxt; |
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310 | } |
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311 | } |
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312 | |
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313 | //=================================================== |
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314 | // CLASS JpgTimer |
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315 | // Description: General timing utility class to handle |
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316 | // timne measurement of generating graphs. Multiple |
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317 | // timers can be started by pushing new on a stack. |
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318 | //=================================================== |
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319 | class JpgTimer { |
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320 | var $start; |
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321 | var $idx; |
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322 | //--------------- |
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323 | // CONSTRUCTOR |
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324 | function JpgTimer() { |
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325 | $this->idx=0; |
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326 | } |
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327 | |
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328 | //--------------- |
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329 | // PUBLIC METHODS |
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330 | |
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331 | // Push a new timer start on stack |
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332 | function Push() { |
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333 | list($ms,$s)=explode(" ",microtime()); |
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334 | $this->start[$this->idx++]=floor($ms*1000) + 1000*$s; |
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335 | } |
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336 | |
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337 | // Pop the latest timer start and return the diff with the |
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338 | // current time |
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339 | function Pop() { |
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340 | assert($this->idx>0); |
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341 | list($ms,$s)=explode(" ",microtime()); |
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342 | $etime=floor($ms*1000) + (1000*$s); |
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343 | $this->idx--; |
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344 | return $etime-$this->start[$this->idx]; |
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345 | } |
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346 | } // Class |
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347 | |
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348 | |
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349 | //=================================================== |
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350 | // CLASS Graph |
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351 | // Description: Main class to handle graphs |
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352 | //=================================================== |
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353 | class Graph { |
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354 | var $cache=null; // Cache object (singleton) |
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355 | var $img=null; // Img object (singleton) |
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356 | var $plots=array(); // Array of all plot object in the graph (for Y 1 axis) |
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357 | var $y2plots=array();// Array of all plot object in the graph (for Y 2 axis) |
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358 | var $xscale=null; // X Scale object (could be instance of LinearScale or LogScale |
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359 | var $yscale=null,$y2scale=null; |
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360 | var $cache_name; // File name to be used for the current graph in the cache directory |
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361 | var $xgrid=null; // X Grid object (linear or logarithmic) |
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362 | var $ygrid=null,$y2grid=null; //dito for Y |
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363 | var $doframe=true,$frame_color=array(0,0,0), $frame_weight=1; // Frame around graph |
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364 | var $boxed=false, $box_color=array(0,0,0), $box_weight=1; // Box around plot area |
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365 | var $doshadow=false,$shadow_width=4,$shadow_color=array(102,102,102); // Shadow for graph |
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366 | var $xaxis=null; // X-axis (instane of Axis class) |
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367 | var $yaxis=null, $y2axis=null; // Y axis (instance of Axis class) |
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368 | var $margin_color=array(198,198,198); // Margin coor of graph |
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369 | var $plotarea_color=array(255,255,255); // Plot area color |
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370 | var $title,$subtitle; // Title and subtitle text object |
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371 | var $axtype="linlin"; // Type of axis |
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372 | var $xtick_factor; // Factot to determine the maximum number of ticks depending on the plot with |
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373 | var $texts=null; // Text object to ge shown in the graph |
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374 | var $lines=null; |
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375 | var $bands=null; |
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376 | var $text_scale_off=0; // Text scale offset in world coordinates |
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377 | var $background_image="",$background_image_type=-1,$background_image_format="png"; |
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378 | var $background_image_bright=0,$background_image_contr=0,$background_image_sat=0; |
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379 | var $image_bright=0, $image_contr=0, $image_sat=0; |
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380 | var $inline; |
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381 | var $showcsim=0,$csimcolor="red"; //debug stuff, draw the csim boundaris on the image if <>0 |
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382 | var $grid_depth=DEPTH_BACK; // Draw grid under all plots as default |
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383 | //--------------- |
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384 | // CONSTRUCTOR |
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385 | |
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386 | // aWIdth Width in pixels of image |
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387 | // aHeight Height in pixels of image |
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388 | // aCachedName Name for image file in cache directory |
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389 | // aTimeOut Timeout in minutes for image in cache |
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390 | // aInline If true the image is streamed back in the call to Stroke() |
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391 | // If false the image is just created in the cache |
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392 | function Graph($aWidth=300,$aHeight=200,$aCachedName="",$aTimeOut=0,$aInline=true) { |
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393 | |
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394 | // If timing is used create a new timing object |
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395 | if( BRAND_TIMING ) { |
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396 | global $tim; |
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397 | $tim = new JpgTimer(); |
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398 | $tim->Push(); |
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399 | } |
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400 | |
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401 | // Automtically generate the image file name based on the name of the script that |
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402 | // generates the graph |
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403 | if( $aCachedName=="auto" ) |
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404 | $aCachedName=GenImgName(); |
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405 | |
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406 | // Should the image be streamed back to the browser or only to the cache? |
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407 | $this->inline=$aInline; |
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408 | |
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409 | $this->img = new RotImage($aWidth,$aHeight); |
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410 | $this->cache = new ImgStreamCache($this->img); |
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411 | $this->cache->SetTimeOut($aTimeOut); |
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412 | $this->title = new Text(); |
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413 | $this->subtitle = new Text(); |
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414 | $this->legend = new Legend(); |
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415 | |
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416 | // If the cached version exist just read it directly from the |
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417 | // cache, stream it back to browser and exit |
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418 | if( $aCachedName!="" && READ_CACHE && $aInline ) |
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419 | if( $this->cache->GetAndStream($aCachedName) ) { |
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420 | exit(); |
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421 | } |
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422 | |
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423 | $this->cache_name = $aCachedName; |
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424 | $this->SetTickDensity(); // Normal density |
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425 | } |
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426 | //--------------- |
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427 | // PUBLIC METHODS |
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428 | |
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429 | // Should the grid be in front or back of the plot? |
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430 | function SetGridDepth($aDepth) { |
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431 | $this->grid_depth=$aDepth; |
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432 | } |
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433 | |
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434 | // Specify graph angle 0-360 degrees. |
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435 | function SetAngle($aAngle) { |
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436 | $this->img->SetAngle($aAngle); |
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437 | } |
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438 | |
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439 | // Add a plot object to the graph |
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440 | function Add(&$aPlot) { |
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441 | if( $aPlot == null ) |
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442 | JpGraphError::Raise("<b><b>JpGraph Error:</b></b> Graph::Add() You tried to add a null plot to the graph."); |
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443 | $this->plots[] = &$aPlot; |
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444 | } |
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445 | |
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446 | // Add plot to second Y-scale |
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447 | function AddY2(&$aPlot) { |
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448 | if( $aPlot == null ) |
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449 | JpGraphError::Raise("<b><b>JpGraph Error:</b></b> Graph::AddY2() You tried to add a null plot to the graph."); |
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450 | $this->y2plots[] = &$aPlot; |
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451 | } |
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452 | |
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453 | // Add text object to the graph |
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454 | function AddText(&$aTxt) { |
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455 | if( $aTxt == null ) |
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456 | JpGraphError::Raise("<b><b>JpGraph Error:</b></b> Graph::AddText() You tried to add a null text to the graph."); |
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457 | if( is_array($aTxt) ) { |
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458 | for($i=0; $i<count($aTxt); ++$i ) |
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459 | $this->texts[]=&$aTxt[$i]; |
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460 | } |
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461 | else |
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462 | $this->texts[] = &$aTxt; |
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463 | } |
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464 | |
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465 | // Add a line object (class PlotLine) to the graph |
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466 | function AddLine(&$aLine) { |
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467 | if( $aLine == null ) |
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468 | JpGraphError::Raise("<b><b>JpGraph Error:</b></b> Graph::AddLine() You tried to add a null line to the graph."); |
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469 | if( is_array($aLine) ) { |
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470 | for($i=0; $i<count($aLine); ++$i ) |
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471 | $this->lines[]=&$aLine[$i]; |
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472 | } |
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473 | else |
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474 | $this->lines[] = &$aLine; |
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475 | } |
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476 | |
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477 | // Add vertical or horizontal band |
---|
478 | function AddBand(&$aBand) { |
---|
479 | if( $aBand == null ) |
---|
480 | JpGraphError::Raise("<b>JpGraph Error:</b> Graph::AddBand() You tried to add a null band to the graph."); |
---|
481 | if( is_array($aBand) ) { |
---|
482 | for($i=0; $i<count($aBand); ++$i ) |
---|
483 | $this->bands[] = &$aBand[$i]; |
---|
484 | } |
---|
485 | else |
---|
486 | $this->bands[] = &$aBand; |
---|
487 | } |
---|
488 | |
---|
489 | |
---|
490 | // Specify a background image |
---|
491 | function SetBackgroundImage($aFileName,$aBgType=BKIMG_FILLPLOT,$aImgFormat="png") { |
---|
492 | |
---|
493 | if( $GLOBALS["gd2"] && !USE_TRUECOLOR ) { |
---|
494 | JpGraphError::Raise("<b>JpGraph Error:</b>You are using GD 2.x and are |
---|
495 | trying to use a background images on a non truecolor image. <br> |
---|
496 | To use |
---|
497 | background images with GD 2.x you <b>must</b> enable truecolor by setting the |
---|
498 | USE_TRUECOLOR constant to TRUE. <br> |
---|
499 | <b>Note:</b> Due to a bug in GD 2.0.1 |
---|
500 | using any truetype fonts with truecolor images will result in very |
---|
501 | poor quality fonts."); |
---|
502 | } |
---|
503 | |
---|
504 | $this->background_image = $aFileName; |
---|
505 | $this->background_image_type=$aBgType; |
---|
506 | $this->background_image_format=$aImgFormat; |
---|
507 | } |
---|
508 | |
---|
509 | // Adjust brightness and constrast for background image |
---|
510 | function AdjBackgroundImage($aBright,$aContr=0,$aSat=0) { |
---|
511 | $this->background_image_bright=$aBright; |
---|
512 | $this->background_image_contr=$aContr; |
---|
513 | $this->background_image_sat=$aSat; |
---|
514 | } |
---|
515 | |
---|
516 | // Adjust brightness and constrast for image |
---|
517 | function AdjImage($aBright,$aContr=0,$aSat=0) { |
---|
518 | $this->image_bright=$aBright; |
---|
519 | $this->image_contr=$aContr; |
---|
520 | $this->image_sat=$aSat; |
---|
521 | } |
---|
522 | |
---|
523 | // Set a frame around the plot area |
---|
524 | function SetBox($aDrawPlotFrame=true,$aPlotFrameColor=array(0,0,0),$aPlotFrameWeight=1) { |
---|
525 | $this->boxed = $aDrawPlotFrame; |
---|
526 | $this->box_weight = $aPlotFrameWeight; |
---|
527 | $this->box_color = $aPlotFrameColor; |
---|
528 | } |
---|
529 | |
---|
530 | // Specify color for the plotarea (not the margins) |
---|
531 | function SetColor($aColor) { |
---|
532 | $this->plotarea_color=$aColor; |
---|
533 | } |
---|
534 | |
---|
535 | // Specify color for the margins (all areas outside the plotarea) |
---|
536 | function SetMarginColor($aColor) { |
---|
537 | $this->margin_color=$aColor; |
---|
538 | } |
---|
539 | |
---|
540 | // Set a frame around the entire image |
---|
541 | function SetFrame($aDrawImgFrame=true,$aImgFrameColor=array(0,0,0),$aImgFrameWeight=1) { |
---|
542 | $this->doframe = $aDrawImgFrame; |
---|
543 | $this->frame_color = $aImgFrameColor; |
---|
544 | $this->frame_weight = $aImgFrameWeight; |
---|
545 | } |
---|
546 | |
---|
547 | // Set the shadow around the whole image |
---|
548 | function SetShadow($aShowShadow=true,$aShadowWidth=5,$aShadowColor=array(102,102,102)) { |
---|
549 | $this->doshadow = $aShowShadow; |
---|
550 | $this->shadow_color = $aShadowColor; |
---|
551 | $this->shadow_width = $aShadowWidth; |
---|
552 | } |
---|
553 | |
---|
554 | // Specify x,y scale. Note that if you manually specify the scale |
---|
555 | // you must also specify the tick distance with a call to Ticks::Set() |
---|
556 | function SetScale($aAxisType,$aYMin=1,$aYMax=1,$aXMin=1,$aXMax=1) { |
---|
557 | $this->axtype = $aAxisType; |
---|
558 | |
---|
559 | $yt=substr($aAxisType,-3,3); |
---|
560 | if( $yt=="lin" ) |
---|
561 | $this->yscale = new LinearScale($aYMin,$aYMax); |
---|
562 | elseif( $yt == "int" ) { |
---|
563 | $this->yscale = new LinearScale($aYMin,$aYMax); |
---|
564 | $this->yscale->SetIntScale(); |
---|
565 | } |
---|
566 | elseif( $yt=="log" ) |
---|
567 | $this->yscale = new LogScale($aYMin,$aYMax); |
---|
568 | else |
---|
569 | JpGraphError::Raise("<b>JpGraph Error:</b> Unknown scale specification for Y-scale. ($axtype)"); |
---|
570 | |
---|
571 | $xt=substr($aAxisType,0,3); |
---|
572 | if( $xt == "lin" || $xt == "tex" ) |
---|
573 | $this->xscale = new LinearScale($aXMin,$aXMax,"x"); |
---|
574 | elseif( $xt == "int" ) { |
---|
575 | $this->xscale = new LinearScale($aXMin,$aXMax,"x"); |
---|
576 | $this->xscale->SetIntScale(); |
---|
577 | } |
---|
578 | elseif( $xt == "log" ) |
---|
579 | $this->xscale = new LogScale($aXMin,$aXMax,"x"); |
---|
580 | else |
---|
581 | JpGraphError::Raise("<b>JpGraph Error:</b> Unknown scale specification for X-scale. ($aAxisType)"); |
---|
582 | |
---|
583 | $this->xscale->Init($this->img); |
---|
584 | $this->yscale->Init($this->img); |
---|
585 | |
---|
586 | $this->xaxis = new Axis($this->img,$this->xscale); |
---|
587 | $this->yaxis = new Axis($this->img,$this->yscale); |
---|
588 | $this->xgrid = new Grid($this->xaxis); |
---|
589 | $this->ygrid = new Grid($this->yaxis); |
---|
590 | $this->ygrid->Show(); |
---|
591 | } |
---|
592 | |
---|
593 | // Specify secondary Y scale |
---|
594 | function SetY2Scale($aAxisType="lin",$aY2Min=1,$aY2Max=1) { |
---|
595 | if( $aAxisType=="lin" ) |
---|
596 | $this->y2scale = new LinearScale($aY2Min,$aY2Max); |
---|
597 | elseif( $aAxisType=="log" ) { |
---|
598 | $this->y2scale = new LogScale($aY2Min,$aY2Max); |
---|
599 | } |
---|
600 | else JpGraphError::Raise("JpGraph: Unsupported Y2 axis type: $axtype<br>"); |
---|
601 | |
---|
602 | $this->y2scale->Init($this->img); |
---|
603 | $this->y2axis = new Axis($this->img,$this->y2scale); |
---|
604 | $this->y2axis->scale->ticks->SetDirection(SIDE_LEFT); |
---|
605 | $this->y2axis->SetLabelPos(SIDE_RIGHT); |
---|
606 | |
---|
607 | // Deafult position is the max x-value |
---|
608 | $this->y2axis->SetPos($this->xscale->GetMaxVal()); |
---|
609 | $this->y2grid = new Grid($this->y2axis); |
---|
610 | } |
---|
611 | |
---|
612 | // Specify density of ticks when autoscaling 'normal', 'dense', 'sparse', 'verysparse' |
---|
613 | // The dividing factor have been determined heuristically according to my aesthetic |
---|
614 | // sense (or lack off) y.m.m.v ! |
---|
615 | function SetTickDensity($aYDensity=TICKD_NORMAL,$aXDensity=TICKD_NORMAL) { |
---|
616 | $this->xtick_factor=30; |
---|
617 | $this->ytick_factor=25; |
---|
618 | switch( $aYDensity ) { |
---|
619 | case TICKD_DENSE: |
---|
620 | $this->ytick_factor=12; |
---|
621 | break; |
---|
622 | case TICKD_NORMAL: |
---|
623 | $this->ytick_factor=25; |
---|
624 | break; |
---|
625 | case TICKD_SPARSE: |
---|
626 | $this->ytick_factor=40; |
---|
627 | break; |
---|
628 | case TICKD_VERYSPARSE: |
---|
629 | $this->ytick_factor=100; |
---|
630 | break; |
---|
631 | default: |
---|
632 | JpGraphError::Raise("JpGraph: Unsupported Tick density: $densy"); |
---|
633 | } |
---|
634 | switch( $aXDensity ) { |
---|
635 | case TICKD_DENSE: |
---|
636 | $this->xtick_factor=18; |
---|
637 | break; |
---|
638 | case TICKD_NORMAL: |
---|
639 | $this->xtick_factor=30; |
---|
640 | break; |
---|
641 | case TICKD_SPARSE: |
---|
642 | $this->xtick_factor=45; |
---|
643 | break; |
---|
644 | case TICKD_VERYSPARSE: |
---|
645 | $this->xtick_factor=60; |
---|
646 | break; |
---|
647 | default: |
---|
648 | JpGraphError::Raise("JpGraph: Unsupported Tick density: $densx"); |
---|
649 | } |
---|
650 | } |
---|
651 | |
---|
652 | // Get a string of all image map areas |
---|
653 | function GetCSIMareas() { |
---|
654 | $csim=""; |
---|
655 | foreach ($this->plots as $p) { |
---|
656 | $csim.= $p->GetCSIMareas(); |
---|
657 | } |
---|
658 | return $csim; |
---|
659 | } |
---|
660 | |
---|
661 | // Get a complete <MAP>..</MAP> tag for the final image map |
---|
662 | function GetHTMLImageMap($aMapName) { |
---|
663 | $im = "<MAP NAME=\"$aMapName\">\n"; |
---|
664 | $im .= $this->GetCSIMareas(); |
---|
665 | $im .= "</MAP>"; |
---|
666 | return $im; |
---|
667 | } |
---|
668 | |
---|
669 | // Stroke the graph |
---|
670 | // $aStrokeFileName If != "" the image will be written to this file and NOT |
---|
671 | // streamed back to the browser |
---|
672 | function Stroke($aStrokeFileName="") { |
---|
673 | |
---|
674 | // Do any pre-stroke adjustment that is needed by the different plot types |
---|
675 | // (i.e bar plots want's to add an offset to the x-labels etc) |
---|
676 | for($i=0; $i<count($this->plots) ; ++$i ) { |
---|
677 | $this->plots[$i]->PreStrokeAdjust($this); |
---|
678 | $this->plots[$i]->Legend($this); |
---|
679 | } |
---|
680 | |
---|
681 | // Any plots on the second Y scale? |
---|
682 | if( $this->y2scale != null ) { |
---|
683 | for($i=0; $i<count($this->y2plots) ; ++$i ) { |
---|
684 | $this->y2plots[$i]->PreStrokeAdjust($this); |
---|
685 | $this->y2plots[$i]->Legend($this); |
---|
686 | } |
---|
687 | } |
---|
688 | |
---|
689 | // Bail out if any of the Y-axis not been specified and |
---|
690 | // has no plots. (This means it is impossible to do autoscaling and |
---|
691 | // no other scale was given so we can't possible draw anything). If you use manual |
---|
692 | // scaling you also have to supply the tick steps as well. |
---|
693 | if( (!$this->yscale->IsSpecified() && count($this->plots)==0) || |
---|
694 | ($this->y2scale!=null && !$this->y2scale->IsSpecified() && count($this->y2plots)==0) ) { |
---|
695 | JpGraphError::Raise("<strong>JpGraph: Can't draw unspecified Y-scale.</strong><br> |
---|
696 | You have either: |
---|
697 | <br>* Specified an Y axis for autoscaling but have not supplied any plots |
---|
698 | <br>* Specified a scale manually but have forgot to specify the tick steps"); |
---|
699 | } |
---|
700 | |
---|
701 | // Bail out if no plots and no specified X-scale |
---|
702 | if( (!$this->xscale->IsSpecified() && count($this->plots)==0 && count($this->y2plots)==0) ) |
---|
703 | JpGraphError::Raise("<strong>JpGraph: Can't draw unspecified X-scale.</strong><br>No plots.<br>"); |
---|
704 | |
---|
705 | //Check if we should autoscale y-axis |
---|
706 | if( !$this->yscale->IsSpecified() && count($this->plots)>0 ) { |
---|
707 | list($min,$max) = $this->GetPlotsYMinMax($this->plots); |
---|
708 | $this->yscale->AutoScale($this->img,$min,$max,$this->img->plotheight/$this->ytick_factor); |
---|
709 | } |
---|
710 | |
---|
711 | if( $this->y2scale != null) |
---|
712 | if( !$this->y2scale->IsSpecified() && count($this->y2plots)>0 ) { |
---|
713 | list($min,$max) = $this->GetPlotsYMinMax($this->y2plots); |
---|
714 | $this->y2scale->AutoScale($this->img,$min,$max,$this->img->plotheight/$this->ytick_factor); |
---|
715 | } |
---|
716 | |
---|
717 | //Check if we should autoscale x-axis |
---|
718 | if( !$this->xscale->IsSpecified() ) { |
---|
719 | if( substr($this->axtype,0,4) == "text" ) { |
---|
720 | $max=0; |
---|
721 | foreach( $this->plots as $p ) |
---|
722 | $max=max($max,$p->numpoints-1); |
---|
723 | $min=0; |
---|
724 | $this->xscale->Update($this->img,$min,$max); |
---|
725 | $this->xscale->ticks->Set($this->xaxis->tick_step,1); |
---|
726 | $this->xscale->ticks->SupressMinorTickMarks(); |
---|
727 | } |
---|
728 | else { |
---|
729 | list($min,$ymin) = $this->plots[0]->Min(); |
---|
730 | list($max,$ymax) = $this->plots[0]->Max(); |
---|
731 | foreach( $this->plots as $p ) { |
---|
732 | list($xmin,$ymin) = $p->Min(); |
---|
733 | list($xmax,$ymax) = $p->Max(); |
---|
734 | $min = Min($xmin,$min); |
---|
735 | $max = Max($xmax,$max); |
---|
736 | } |
---|
737 | $this->xscale->AutoScale($this->img,$min,$max,$this->img->plotwidth/$this->xtick_factor); |
---|
738 | } |
---|
739 | |
---|
740 | //Adjust position of y-axis and y2-axis to minimum/maximum of x-scale |
---|
741 | $this->yaxis->SetPos($this->xscale->GetMinVal()); |
---|
742 | if( $this->y2axis != null ) { |
---|
743 | $this->y2axis->SetPos($this->xscale->GetMaxVal()); |
---|
744 | $this->y2axis->SetTitleSide(SIDE_RIGHT); |
---|
745 | } |
---|
746 | } |
---|
747 | |
---|
748 | // If we have a negative values and x-axis position is at 0 |
---|
749 | // we need to supress the first and possible the last tick since |
---|
750 | // they will be drawn on top of the y-axis (and possible y2 axis) |
---|
751 | // The test below might seem strange the reasone being that if |
---|
752 | // the user hasn't specified a value for position this will not |
---|
753 | // be set until we do the stroke for the axis so as of now it |
---|
754 | // is undefined. |
---|
755 | |
---|
756 | if( !$this->xaxis->pos && $this->yscale->GetMinVal() < 0 ) { |
---|
757 | $this->yscale->ticks->SupressZeroLabel(false); |
---|
758 | $this->xscale->ticks->SupressFirst(); |
---|
759 | if( $this->y2axis != null ) { |
---|
760 | $this->xscale->ticks->SupressLast(); |
---|
761 | } |
---|
762 | } |
---|
763 | |
---|
764 | $this->StrokePlotArea(); |
---|
765 | |
---|
766 | // Stroke axis |
---|
767 | $this->xaxis->Stroke($this->yscale); |
---|
768 | $this->yaxis->Stroke($this->xscale); |
---|
769 | |
---|
770 | // Stroke bands |
---|
771 | if( $this->bands != null ) |
---|
772 | for($i=0; $i<count($this->bands); ++$i) { |
---|
773 | // Stroke all bands that asks to be in the background |
---|
774 | if( $this->bands[$i]->depth == DEPTH_BACK ) |
---|
775 | $this->bands[$i]->Stroke($this->img,$this->xscale,$this->yscale); |
---|
776 | } |
---|
777 | |
---|
778 | if( $this->grid_depth == DEPTH_BACK ) { |
---|
779 | $this->ygrid->Stroke(); |
---|
780 | $this->xgrid->Stroke(); |
---|
781 | } |
---|
782 | |
---|
783 | // Stroke Y2-axis |
---|
784 | if( $this->y2axis != null ) { |
---|
785 | $this->y2axis->Stroke($this->xscale); |
---|
786 | $this->y2grid->Stroke(); |
---|
787 | } |
---|
788 | |
---|
789 | $oldoff=$this->xscale->off; |
---|
790 | if(substr($this->axtype,0,4)=="text") { |
---|
791 | $this->xscale->off += |
---|
792 | ceil($this->xscale->scale_factor*$this->text_scale_off*$this->xscale->ticks->minor_step); |
---|
793 | } |
---|
794 | |
---|
795 | // Stroke all plots for Y1 axis |
---|
796 | for($i=0; $i<count($this->plots) ; ++$i ) { |
---|
797 | $this->plots[$i]->Stroke($this->img,$this->xscale,$this->yscale); |
---|
798 | $this->plots[$i]->StrokeMargin($this->img); |
---|
799 | } |
---|
800 | |
---|
801 | // Stroke all plots for Y2 axis |
---|
802 | if( $this->y2scale != null ) |
---|
803 | for($i=0; $i< count($this->y2plots); ++$i ) { |
---|
804 | $this->y2plots[$i]->Stroke($this->img,$this->xscale,$this->y2scale); |
---|
805 | } |
---|
806 | |
---|
807 | $this->xscale->off=$oldoff; |
---|
808 | |
---|
809 | if( $this->grid_depth == DEPTH_FRONT ) { |
---|
810 | $this->ygrid->Stroke(); |
---|
811 | $this->xgrid->Stroke(); |
---|
812 | } |
---|
813 | |
---|
814 | // Stroke bands |
---|
815 | if( $this->bands!= null ) |
---|
816 | for($i=0; $i<count($this->bands); ++$i) { |
---|
817 | // Stroke all bands that asks to be in the foreground |
---|
818 | if( $this->bands[$i]->depth == DEPTH_FRONT ) |
---|
819 | $this->bands[$i]->Stroke($this->img,$this->xscale,$this->yscale); |
---|
820 | } |
---|
821 | |
---|
822 | // Stroke any lines added |
---|
823 | if( $this->lines != null ) { |
---|
824 | for($i=0; $i<count($this->lines); ++$i) { |
---|
825 | $this->lines[$i]->Stroke($this->img,$this->xscale,$this->yscale); |
---|
826 | } |
---|
827 | } |
---|
828 | |
---|
829 | // Finally draw the axis again since some plots may have nagged |
---|
830 | // the axis in the edges. |
---|
831 | $this->yaxis->Stroke($this->xscale); |
---|
832 | $this->xaxis->Stroke($this->yscale); |
---|
833 | |
---|
834 | if( $this->y2scale != null) |
---|
835 | $this->y2axis->Stroke($this->xscale); |
---|
836 | |
---|
837 | $this->StrokePlotBox(); |
---|
838 | |
---|
839 | // The titles and legends never gets rotated so make sure |
---|
840 | // that the angle is 0 before stroking them |
---|
841 | $aa = $this->img->SetAngle(0); |
---|
842 | $this->StrokeTitles(); |
---|
843 | $this->legend->Stroke($this->img); |
---|
844 | $this->StrokeTexts(); |
---|
845 | $this->img->SetAngle($aa); |
---|
846 | |
---|
847 | // Draw an outline around the image map |
---|
848 | if(JPG_DEBUG) |
---|
849 | $this->DisplayClientSideaImageMapAreas(); |
---|
850 | |
---|
851 | // Adjust the appearance of the image |
---|
852 | $this->AdjustSaturationBrightnessContrast(); |
---|
853 | |
---|
854 | // Finally stream the generated picture |
---|
855 | $this->cache->PutAndStream($this->img,$this->cache_name,$this->inline,$aStrokeFileName); |
---|
856 | } |
---|
857 | |
---|
858 | //--------------- |
---|
859 | // PRIVATE METHODS |
---|
860 | // Private helper function for backgound image |
---|
861 | function LoadBkgImage($aImgFormat="png",$aBright=0,$aContr=0) { |
---|
862 | $f = "imagecreatefrom".$aImgFormat; |
---|
863 | $imgtag = $aImgFormat; |
---|
864 | if( $aImgFormat == "jpeg" ) |
---|
865 | $imgtag = "jpg"; |
---|
866 | if( !strstr($this->background_image,$imgtag) && strstr($this->background_image,".") ) |
---|
867 | JpGraphError::Raise("<b>JpGraph Error:</b> Background image seems to be of different type (has different file extension) |
---|
868 | than specified imagetype. <br>Specified: '".$aImgFormat."'<br>File: '".$this->background_image."'"); |
---|
869 | $img = $f($this->background_image); |
---|
870 | if( !$img ) { |
---|
871 | JpGraphError::Raise("<b>JpGraph Error:</b> Can't read background image: '".$this->background_image."'"); |
---|
872 | } |
---|
873 | return $img; |
---|
874 | } |
---|
875 | |
---|
876 | // Private |
---|
877 | // Stroke the plot area with either a solid color or a background image |
---|
878 | function StrokePlotArea() { |
---|
879 | // Copy in background image |
---|
880 | if( $this->background_image != "" ) { |
---|
881 | $bkgimg = $this->LoadBkgImage($this->background_image_format); |
---|
882 | $this->img->_AdjBrightContrast($bkgimg,$this->background_image_bright, |
---|
883 | $this->background_image_contr); |
---|
884 | $this->img->_AdjSat($bkgimg,$this->background_image_sat); |
---|
885 | $bw = ImageSX($bkgimg); |
---|
886 | $bh = ImageSY($bkgimg); |
---|
887 | |
---|
888 | $aa = $this->img->SetAngle(0); |
---|
889 | |
---|
890 | switch( $this->background_image_type ) { |
---|
891 | case BGIMG_FILLPLOT: // Resize to just fill the plotarea |
---|
892 | $this->StrokeFrame(); |
---|
893 | $GLOBALS["copyfunc"]($this->img->img,$bkgimg, |
---|
894 | $this->img->left_margin,$this->img->top_margin, |
---|
895 | 0,0,$this->img->plotwidth,$this->img->plotheight, |
---|
896 | $bw,$bh); |
---|
897 | break; |
---|
898 | case BGIMG_FILLFRAME: // Fill the whole area from upper left corner, resize to just fit |
---|
899 | $GLOBALS["copyfunc"]($this->img->img,$bkgimg, |
---|
900 | 0,0,0,0, |
---|
901 | $this->img->width,$this->img->height, |
---|
902 | $bw,$bh); |
---|
903 | $this->StrokeFrame(); |
---|
904 | break; |
---|
905 | case BGIMG_COPY: // Just copy the image from left corner, no resizing |
---|
906 | $GLOBALS["copyfunc"]($this->img->img,$bkgimg, |
---|
907 | 0,0,0,0, |
---|
908 | $bw,$bh, |
---|
909 | $bw,$bh); |
---|
910 | $this->StrokeFrame(); |
---|
911 | break; |
---|
912 | case BGIMG_CENTER: // Center original image in the plot area |
---|
913 | $centerx = round($this->img->plotwidth/2+$this->img->left_margin-$bw/2); |
---|
914 | $centery = round($this->img->plotheight/2+$this->img->top_margin-$bh/2); |
---|
915 | $GLOBALS["copyfunc"]($this->img->img,$bkgimg, |
---|
916 | $centerx,$centery, |
---|
917 | 0,0, |
---|
918 | $bw,$bh, |
---|
919 | $bw,$bh); |
---|
920 | $this->StrokeFrame(); |
---|
921 | break; |
---|
922 | default: |
---|
923 | JpGraphError::Raise("<b>JpGraph Error:</b> Unknown background image layout"); |
---|
924 | } |
---|
925 | $this->img->SetAngle($aa); |
---|
926 | } |
---|
927 | else { |
---|
928 | $aa = $this->img->SetAngle(0); |
---|
929 | $this->StrokeFrame(); |
---|
930 | $this->img->SetAngle($aa); |
---|
931 | |
---|
932 | $this->img->PushColor($this->plotarea_color); |
---|
933 | |
---|
934 | // Note: To be consistent we really should take a possible shadow |
---|
935 | // into account. However, that causes some problem for the LinearScale class |
---|
936 | // since in the current design it does not have any links to class Graph which |
---|
937 | // means it has no way of compensating for the adjusted plotarea in case of a |
---|
938 | // shadow. So, until I redesign LinearScale we can't compensate for this. |
---|
939 | // So just set the two adjustment parameters to zero for now. |
---|
940 | $boxadj = 0; //$this->doframe ? $this->frame_weight : 0 ; |
---|
941 | $adj = 0; //$this->doshadow ? $this->shadow_width : 0 ; |
---|
942 | |
---|
943 | $this->img->FilledRectangle($this->img->left_margin+$boxadj, |
---|
944 | $this->img->top_margin+$boxadj, |
---|
945 | $this->img->width-$this->img->right_margin-$adj-2*$boxadj, |
---|
946 | $this->img->height-$this->img->bottom_margin-$adj-2*$boxadj); |
---|
947 | |
---|
948 | $this->img->PopColor(); |
---|
949 | } |
---|
950 | $this->img->SetAngle($aa); |
---|
951 | } |
---|
952 | |
---|
953 | |
---|
954 | function StrokePlotBox() { |
---|
955 | // Should we draw a box around the plot area? |
---|
956 | if( $this->boxed ) { |
---|
957 | $this->img->SetLineWeight($this->box_weight); |
---|
958 | $this->img->SetColor($this->box_color); |
---|
959 | $this->img->Rectangle( |
---|
960 | $this->img->left_margin,$this->img->top_margin, |
---|
961 | $this->img->width-$this->img->right_margin, |
---|
962 | $this->img->height-$this->img->bottom_margin); |
---|
963 | } |
---|
964 | } |
---|
965 | |
---|
966 | function StrokeTitles() { |
---|
967 | // Stroke title |
---|
968 | $this->title->Center($this->img->left_margin,$this->img->width-$this->img->right_margin,5); |
---|
969 | $this->title->Stroke($this->img); |
---|
970 | |
---|
971 | // ... and subtitle |
---|
972 | $this->subtitle->Center($this->img->left_margin,$this->img->width-$this->img->right_margin, |
---|
973 | 7+$this->title->GetFontHeight($this->img)); |
---|
974 | $this->subtitle->Stroke($this->img); |
---|
975 | } |
---|
976 | |
---|
977 | function StrokeTexts() { |
---|
978 | // Stroke any user added text objects |
---|
979 | if( $this->texts != null ) { |
---|
980 | for($i=0; $i<count($this->texts); ++$i) { |
---|
981 | $this->texts[$i]->Stroke($this->img); |
---|
982 | } |
---|
983 | } |
---|
984 | } |
---|
985 | |
---|
986 | function DisplayClientSideaImageMapAreas() { |
---|
987 | // Debug stuff - display the outline of the image map areas |
---|
988 | foreach ($this->plots as $p) { |
---|
989 | $csim.= $p->GetCSIMareas(); |
---|
990 | } |
---|
991 | $csim.= $this->legend->GetCSIMareas(); |
---|
992 | if (preg_match_all("/area shape=\"(\w+)\" coords=\"([0-9\, ]+)\"/", $csim, $coords)) { |
---|
993 | $this->img->SetColor($this->csimcolor); |
---|
994 | for ($i=0; $i<count($coords[0]); $i++) { |
---|
995 | if ($coords[1][$i]=="poly") { |
---|
996 | preg_match_all('/\s*([0-9]+)\s*,\s*([0-9]+)\s*,*/',$coords[2][$i],$pts); |
---|
997 | $this->img->SetStartPoint($pts[1][count($pts[0])-1],$pts[2][count($pts[0])-1]); |
---|
998 | for ($j=0; $j<count($pts[0]); $j++) { |
---|
999 | $this->img->LineTo($pts[1][$j],$pts[2][$j]); |
---|
1000 | } |
---|
1001 | } else if ($coords[1][$i]=="rect") { |
---|
1002 | $pts = preg_split('/,/', $coords[2][$i]); |
---|
1003 | $this->img->SetStartPoint($pts[0],$pts[1]); |
---|
1004 | $this->img->LineTo($pts[2],$pts[1]); |
---|
1005 | $this->img->LineTo($pts[2],$pts[3]); |
---|
1006 | $this->img->LineTo($pts[0],$pts[3]); |
---|
1007 | $this->img->LineTo($pts[0],$pts[1]); |
---|
1008 | } |
---|
1009 | } |
---|
1010 | } |
---|
1011 | } |
---|
1012 | |
---|
1013 | function AdjustSaturationBrightnessContrast() { |
---|
1014 | // Adjust the brightness and contrast of the image |
---|
1015 | if( $this->image_contr || $this->image_bright ) |
---|
1016 | $this->img->AdjBrightContrast($this->image_bright,$this->image_contr); |
---|
1017 | if( $this->image_sat ) |
---|
1018 | $this->img->AdjSat($this->image_sat); |
---|
1019 | } |
---|
1020 | |
---|
1021 | // Text scale offset in world coordinates |
---|
1022 | function SetTextScaleOff($aOff) { |
---|
1023 | $this->text_scale_off = $aOff; |
---|
1024 | } |
---|
1025 | |
---|
1026 | // Get min and max values for all included plots |
---|
1027 | function GetPlotsYMinMax(&$aPlots) { |
---|
1028 | list($xmax,$max) = $aPlots[0]->Max(); |
---|
1029 | list($xmin,$min) = $aPlots[0]->Min(); |
---|
1030 | for($i=0; $i<count($aPlots); ++$i ) { |
---|
1031 | list($xmax,$ymax)=$aPlots[$i]->Max(); |
---|
1032 | list($xmin,$ymin)=$aPlots[$i]->Min(); |
---|
1033 | if (!is_string($ymax) || $ymax != "") $max=max($max,$ymax); |
---|
1034 | if (!is_string($ymin) || $ymin != "") $min=min($min,$ymin); |
---|
1035 | } |
---|
1036 | if( $min == "" ) $min = 0; |
---|
1037 | if( $max == "" ) $max = 0; |
---|
1038 | if( $min == 0 && $max == 0 ) { |
---|
1039 | // Special case if all values are 0 |
---|
1040 | $min=0;$max=1; |
---|
1041 | } |
---|
1042 | return array($min,$max); |
---|
1043 | } |
---|
1044 | |
---|
1045 | // Draw a frame around the image |
---|
1046 | function StrokeFrame() { |
---|
1047 | if( !$this->doframe ) return; |
---|
1048 | if( $this->doshadow ) { |
---|
1049 | $this->img->SetColor($this->frame_color); |
---|
1050 | if( $this->background_image_type <= 1 ) |
---|
1051 | $c = $this->margin_color; |
---|
1052 | else |
---|
1053 | $c = false; |
---|
1054 | $this->img->ShadowRectangle(0,0,$this->img->width,$this->img->height, |
---|
1055 | $c,$this->shadow_width); |
---|
1056 | } |
---|
1057 | else { |
---|
1058 | $this->img->SetLineWeight($this->frame_weight); |
---|
1059 | if( $this->background_image_type <= 1 ) { |
---|
1060 | $this->img->SetColor($this->margin_color); |
---|
1061 | $this->img->FilledRectangle(1,1,$this->img->width-2,$this->img->height-2); |
---|
1062 | } |
---|
1063 | $this->img->SetColor($this->frame_color); |
---|
1064 | $this->img->Rectangle(0,0,$this->img->width-1,$this->img->height-1); |
---|
1065 | } |
---|
1066 | } |
---|
1067 | } // Class |
---|
1068 | |
---|
1069 | |
---|
1070 | //=================================================== |
---|
1071 | // CLASS TTF |
---|
1072 | // Description: Handle TTF font names |
---|
1073 | //=================================================== |
---|
1074 | class TTF { |
---|
1075 | var $font_fam; |
---|
1076 | //--------------- |
---|
1077 | // CONSTRUCTOR |
---|
1078 | function TTF() { |
---|
1079 | // Base file names for available fonts |
---|
1080 | $this->font_fam=array( |
---|
1081 | FF_COURIER => TTF_DIR."courier", |
---|
1082 | FF_VERDANA => TTF_DIR."verdana", |
---|
1083 | FF_TIMES => TTF_DIR."times", |
---|
1084 | FF_HANDWRT => TTF_DIR."handwriting", |
---|
1085 | FF_COMIC => TTF_DIR."comic", |
---|
1086 | FF_ARIAL => TTF_DIR."arial", |
---|
1087 | FF_BOOK => TTF_DIR."bookant", |
---|
1088 | FF_VERA => TTF_DIR."Vera"); |
---|
1089 | } |
---|
1090 | |
---|
1091 | //--------------- |
---|
1092 | // PUBLIC METHODS |
---|
1093 | // Create the TTF file from the font specification |
---|
1094 | function File($fam,$style=FS_NORMAL) { |
---|
1095 | $f=$this->font_fam[$fam]; |
---|
1096 | if( !$f ) JpGraphError::Raise("<b>JpGraph Error:</b> Unknown TTF font family."); |
---|
1097 | switch( $style ) { |
---|
1098 | case FS_NORMAL: |
---|
1099 | break; |
---|
1100 | case FS_BOLD: $f .= "Bd"; |
---|
1101 | break; |
---|
1102 | case FS_ITALIC: $f .= "It"; |
---|
1103 | break; |
---|
1104 | case FS_BOLDIT: $f .= "BI"; |
---|
1105 | break; |
---|
1106 | default: |
---|
1107 | JpGraphError::Raise("<b>JpGraph Error:</b> Unknown TTF Style."); |
---|
1108 | } |
---|
1109 | $f .= ".ttf"; |
---|
1110 | |
---|
1111 | // Check that file exist |
---|
1112 | if( !file_exists($f) ) |
---|
1113 | JpGraphError::Raise("<b>JpGraph Error:</b> Can't open font file \"$f\". Wrong directory?"); |
---|
1114 | |
---|
1115 | return $f; |
---|
1116 | } |
---|
1117 | } // Class |
---|
1118 | |
---|
1119 | //=================================================== |
---|
1120 | // CLASS LineProperty |
---|
1121 | // Description: Holds properties for a line |
---|
1122 | //=================================================== |
---|
1123 | class LineProperty { |
---|
1124 | var $iWeight=1, $iColor="black",$iStyle="solid"; |
---|
1125 | var $iShow=true; |
---|
1126 | |
---|
1127 | //--------------- |
---|
1128 | // PUBLIC METHODS |
---|
1129 | function SetColor($aColor) { |
---|
1130 | $this->iColor = $aColor; |
---|
1131 | } |
---|
1132 | |
---|
1133 | function SetWeight($aWeight) { |
---|
1134 | $this->iWeight = $aWeight; |
---|
1135 | } |
---|
1136 | |
---|
1137 | function SetStyle($aStyle) { |
---|
1138 | $this->iStyle = $aStyle; |
---|
1139 | } |
---|
1140 | |
---|
1141 | function Show($aShow=true) { |
---|
1142 | $this->iShow=$aShow; |
---|
1143 | } |
---|
1144 | |
---|
1145 | function Stroke($aImg,$aX1,$aY1,$aX2,$aY2) { |
---|
1146 | if( $this->iShow ) { |
---|
1147 | $aImg->SetColor($this->iColor); |
---|
1148 | $aImg->SetLineWeight($this->iWeight); |
---|
1149 | $aImg->SetLineStyle($this->iStyle); |
---|
1150 | $aImg->StyleLine($aX1,$aY1,$aX2,$aY2); |
---|
1151 | } |
---|
1152 | } |
---|
1153 | } |
---|
1154 | |
---|
1155 | |
---|
1156 | |
---|
1157 | //=================================================== |
---|
1158 | // CLASS Text |
---|
1159 | // Description: Arbitrary text object that can be added to the graph |
---|
1160 | //=================================================== |
---|
1161 | class Text { |
---|
1162 | var $t,$x=0,$y=0,$halign="left",$valign="top",$color=array(0,0,0); |
---|
1163 | var $font_family=FF_FONT1,$font_style=FS_NORMAL,$font_size=12,$hide=false,$dir=0; |
---|
1164 | var $boxed=false; // Should the text be boxed |
---|
1165 | var $paragraph_align="left"; |
---|
1166 | |
---|
1167 | //--------------- |
---|
1168 | // CONSTRUCTOR |
---|
1169 | |
---|
1170 | // Create new text at absolute pixel coordinates |
---|
1171 | function Text($aTxt="",$aXAbsPos=0,$aYAbsPos=0) { |
---|
1172 | $this->t = $aTxt; |
---|
1173 | $this->x = $aXAbsPos; |
---|
1174 | $this->y = $aYAbsPos; |
---|
1175 | } |
---|
1176 | //--------------- |
---|
1177 | // PUBLIC METHODS |
---|
1178 | // Set the string in the text object |
---|
1179 | function Set($aTxt) { |
---|
1180 | $this->t = $aTxt; |
---|
1181 | } |
---|
1182 | |
---|
1183 | // Specify the position and alignment for the text object |
---|
1184 | function Pos($aXAbsPos=0,$aYAbsPos=0,$aHAlign="left",$aVAlign="top") { |
---|
1185 | $this->x = $aXAbsPos; |
---|
1186 | $this->y = $aYAbsPos; |
---|
1187 | $this->halign = $aHAlign; |
---|
1188 | $this->valign = $aVAlign; |
---|
1189 | } |
---|
1190 | |
---|
1191 | // Specify alignment for the text |
---|
1192 | function Align($aHAlign,$aVAlign="top") { |
---|
1193 | $this->halign = $aHAlign; |
---|
1194 | $this->valign = $aVAlign; |
---|
1195 | } |
---|
1196 | |
---|
1197 | // Specifies the alignment for a multi line text |
---|
1198 | function ParagraphAlign($aAlign) { |
---|
1199 | $this->paragraph_align = $aAlign; |
---|
1200 | } |
---|
1201 | |
---|
1202 | // Specify that the text should be boxed. fcolor=frame color, bcolor=border color, |
---|
1203 | // $shadow=drop shadow should be added around the text. |
---|
1204 | function SetBox($aFrameColor=array(255,255,255),$aBorderColor=array(0,0,0),$aShadow=false) { |
---|
1205 | if( $aFrameColor==false ) |
---|
1206 | $this->boxed=false; |
---|
1207 | else |
---|
1208 | $this->boxed=true; |
---|
1209 | $this->fcolor=$aFrameColor; |
---|
1210 | $this->bcolor=$aBorderColor; |
---|
1211 | $this->shadow=$aShadow; |
---|
1212 | } |
---|
1213 | |
---|
1214 | // Hide the text |
---|
1215 | function Hide($aHide=true) { |
---|
1216 | $this->hide=$aHide; |
---|
1217 | } |
---|
1218 | |
---|
1219 | // This looks ugly since it's not a very orthogonal design |
---|
1220 | // but I added this "inverse" of Hide() to harmonize |
---|
1221 | // with some classes which I designed more recently (especially) |
---|
1222 | // jpgraph_gantt |
---|
1223 | function Show($aShow=true) { |
---|
1224 | $this->hide=!$aShow; |
---|
1225 | } |
---|
1226 | |
---|
1227 | // Specify font |
---|
1228 | function SetFont($aFamily,$aStyle=FS_NORMAL,$aSize=10) { |
---|
1229 | $this->font_family=$aFamily; |
---|
1230 | $this->font_style=$aStyle; |
---|
1231 | $this->font_size=$aSize; |
---|
1232 | } |
---|
1233 | |
---|
1234 | // Center the text between $left and $right coordinates |
---|
1235 | function Center($aLeft,$aRight,$aYAbsPos=false) { |
---|
1236 | $this->x = $aLeft + ($aRight-$aLeft )/2; |
---|
1237 | $this->halign = "center"; |
---|
1238 | if( is_numeric($aYAbsPos) ) |
---|
1239 | $this->y = $aYAbsPos; |
---|
1240 | } |
---|
1241 | |
---|
1242 | // Set text color |
---|
1243 | function SetColor($aColor) { |
---|
1244 | $this->color = $aColor; |
---|
1245 | } |
---|
1246 | |
---|
1247 | // Orientation of text. Note only TTF fonts can have an arbitrary angle |
---|
1248 | function SetOrientation($aDirection=0) { |
---|
1249 | if( is_numeric($aDirection) ) |
---|
1250 | $this->dir=$aDirection; |
---|
1251 | elseif( $aDirection=="h" ) |
---|
1252 | $this->dir = 0; |
---|
1253 | elseif( $aDirection=="v" ) |
---|
1254 | $this->dir = 90; |
---|
1255 | else JpGraphError::Raise("<b>JpGraph Error:</b> Invalid direction specified for text."); |
---|
1256 | } |
---|
1257 | |
---|
1258 | // Total width of text |
---|
1259 | function GetWidth(&$aImg) { |
---|
1260 | $aImg->SetFont($this->font_family,$this->font_style,$this->font_size); |
---|
1261 | return $aImg->GetTextWidth($this->t); |
---|
1262 | } |
---|
1263 | |
---|
1264 | // Hight of font |
---|
1265 | function GetFontHeight(&$aImg) { |
---|
1266 | $aImg->SetFont($this->font_family,$this->font_style,$this->font_size); |
---|
1267 | return $aImg->GetFontHeight(); |
---|
1268 | } |
---|
1269 | |
---|
1270 | function GetTextHeight(&$aImg) { |
---|
1271 | $aImg->SetFont($this->font_family,$this->font_style,$this->font_size); |
---|
1272 | return $aImg->GetTextHeight($this->t); |
---|
1273 | } |
---|
1274 | |
---|
1275 | // Display text in image |
---|
1276 | function Stroke(&$aImg,$x=-1,$y=-1) { |
---|
1277 | if( $x>-1 ) $this->x = $x; |
---|
1278 | if( $y>-1 ) $this->y = $y; |
---|
1279 | |
---|
1280 | // If position been given as a fraction of the image size |
---|
1281 | // calculate the absolute position |
---|
1282 | if( $this->x < 1 ) $this->x *= $aImg->width; |
---|
1283 | if( $this->y < 1 ) $this->y *= $aImg->height; |
---|
1284 | |
---|
1285 | $aImg->PushColor($this->color); |
---|
1286 | $aImg->SetFont($this->font_family,$this->font_style,$this->font_size); |
---|
1287 | $aImg->SetTextAlign($this->halign,$this->valign); |
---|
1288 | if( $this->boxed ) { |
---|
1289 | if( $this->fcolor=="nofill" ) $this->fcolor=false; |
---|
1290 | $aImg->StrokeBoxedText($this->x,$this->y,$this->t, |
---|
1291 | $this->dir,$this->fcolor,$this->bcolor,$this->shadow, |
---|
1292 | $this->paragraph_align); |
---|
1293 | } |
---|
1294 | else { |
---|
1295 | $aImg->StrokeText($this->x,$this->y,$this->t,$this->dir, |
---|
1296 | $this->paragraph_align); |
---|
1297 | } |
---|
1298 | $aImg->PopColor($this->color); |
---|
1299 | } |
---|
1300 | } // Class |
---|
1301 | |
---|
1302 | //=================================================== |
---|
1303 | // CLASS Grid |
---|
1304 | // Description: responsible for drawing grid lines in graph |
---|
1305 | //=================================================== |
---|
1306 | class Grid { |
---|
1307 | var $img; |
---|
1308 | var $scale; |
---|
1309 | var $grid_color=array(196,196,196); |
---|
1310 | var $type="solid"; |
---|
1311 | var $show=false, $showMinor=false,$weight=1; |
---|
1312 | //--------------- |
---|
1313 | // CONSTRUCTOR |
---|
1314 | function Grid(&$aAxis) { |
---|
1315 | $this->scale = &$aAxis->scale; |
---|
1316 | $this->img = &$aAxis->img; |
---|
1317 | } |
---|
1318 | //--------------- |
---|
1319 | // PUBLIC METHODS |
---|
1320 | function SetColor($aColor) { |
---|
1321 | $this->grid_color=$aColor; |
---|
1322 | } |
---|
1323 | |
---|
1324 | function SetWeight($aWeight) { |
---|
1325 | $this->weight=$aWeight; |
---|
1326 | } |
---|
1327 | |
---|
1328 | // Specify if grid should be dashed, dotted or solid |
---|
1329 | function SetLineStyle($aType) { |
---|
1330 | $this->type = $aType; |
---|
1331 | } |
---|
1332 | |
---|
1333 | // Decide if both major and minor grid should be displayed |
---|
1334 | function Show($aShowMajor=true,$aShowMinor=false) { |
---|
1335 | $this->show=$aShowMajor; |
---|
1336 | $this->showMinor=$aShowMinor; |
---|
1337 | } |
---|
1338 | |
---|
1339 | // Display the grid |
---|
1340 | function Stroke() { |
---|
1341 | if( $this->showMinor ) |
---|
1342 | $this->DoStroke($this->scale->ticks->ticks_pos); |
---|
1343 | else |
---|
1344 | $this->DoStroke($this->scale->ticks->maj_ticks_pos); |
---|
1345 | } |
---|
1346 | |
---|
1347 | //-------------- |
---|
1348 | // Private methods |
---|
1349 | // Draw the grid |
---|
1350 | function DoStroke(&$aTicksPos) { |
---|
1351 | if( !$this->show ) |
---|
1352 | return; |
---|
1353 | $this->img->SetColor($this->grid_color); |
---|
1354 | $this->img->SetLineWeight($this->weight); |
---|
1355 | $nbrgrids = count($aTicksPos); |
---|
1356 | if( $this->scale->type=="y" ) { |
---|
1357 | $xl=$this->img->left_margin; |
---|
1358 | $xr=$this->img->width-$this->img->right_margin; |
---|
1359 | for($i=0; $i<$nbrgrids; ++$i) { |
---|
1360 | $y=$aTicksPos[$i]; |
---|
1361 | if( $this->type == "solid" ) |
---|
1362 | $this->img->Line($xl,$y,$xr,$y); |
---|
1363 | elseif( $this->type == "dotted" ) |
---|
1364 | $this->img->DashedLine($xl,$y,$xr,$y,1,6); |
---|
1365 | elseif( $this->type == "dashed" ) |
---|
1366 | $this->img->DashedLine($xl,$y,$xr,$y,2,4); |
---|
1367 | elseif( $this->type == "longdashed" ) |
---|
1368 | $this->img->DashedLine($xl,$y,$xr,$y,8,6); |
---|
1369 | } |
---|
1370 | } |
---|
1371 | |
---|
1372 | if( $this->scale->type=="x" ) { |
---|
1373 | $yu=$this->img->top_margin; |
---|
1374 | $yl=$this->img->height-$this->img->bottom_margin; |
---|
1375 | $x=$aTicksPos[0]; |
---|
1376 | $limit=$this->img->width-$this->img->right_margin; |
---|
1377 | $i=0; |
---|
1378 | // We must also test for limit since we might have |
---|
1379 | // an offset and the number of ticks is calculated with |
---|
1380 | // assumption offset==0 so we might end up drawing one |
---|
1381 | // to many gridlines |
---|
1382 | while( $x<=$limit && $i<count($aTicksPos)) { |
---|
1383 | $x=$aTicksPos[$i]; |
---|
1384 | if( $this->type == "solid" ) |
---|
1385 | $this->img->Line($x,$yl,$x,$yu); |
---|
1386 | elseif( $this->type == "dotted" ) |
---|
1387 | $this->img->DashedLine($x,$yl,$x,$yu,1,6); |
---|
1388 | elseif( $this->type == "dashed" ) |
---|
1389 | $this->img->DashedLine($x,$yl,$x,$yu,2,4); |
---|
1390 | elseif( $this->type == "longdashed" ) |
---|
1391 | $this->img->DashedLine($x,$yl,$x,$yu,8,6); |
---|
1392 | ++$i; |
---|
1393 | } |
---|
1394 | } |
---|
1395 | return true; |
---|
1396 | } |
---|
1397 | } // Class |
---|
1398 | |
---|
1399 | //=================================================== |
---|
1400 | // CLASS Axis |
---|
1401 | // Description: Defines X and Y axis. Notes that at the |
---|
1402 | // moment the code is not really good since the axis on |
---|
1403 | // several occasion must know wheter it's an X or Y axis. |
---|
1404 | // This was a design decision to make the code easier to |
---|
1405 | // follow. |
---|
1406 | //=================================================== |
---|
1407 | class Axis { |
---|
1408 | var $pos = false; |
---|
1409 | var $weight=1; |
---|
1410 | var $color=array(0,0,0),$label_color=array(0,0,0); |
---|
1411 | var $img=null,$scale=null; |
---|
1412 | var $hide=false; |
---|
1413 | var $ticks_label=false; |
---|
1414 | var $show_first_label=true; |
---|
1415 | var $label_step=1; // Used by a text axis to specify what multiple of major steps |
---|
1416 | // should be labeled. |
---|
1417 | var $tick_step=1; |
---|
1418 | var $labelPos=0; // Which side of the axis should the labels be? |
---|
1419 | var $title=null,$title_adjust,$title_margin,$title_side=SIDE_LEFT; |
---|
1420 | var $font_family=FF_FONT1,$font_style=FS_NORMAL,$font_size=12,$label_angle=0; |
---|
1421 | var $tick_label_margin=6; |
---|
1422 | //--------------- |
---|
1423 | // CONSTRUCTOR |
---|
1424 | function Axis(&$img,&$aScale,$color=array(0,0,0)) { |
---|
1425 | $this->img = &$img; |
---|
1426 | $this->scale = &$aScale; |
---|
1427 | $this->color = $color; |
---|
1428 | $this->title=new Text(""); |
---|
1429 | |
---|
1430 | if( $aScale->type=="y" ) { |
---|
1431 | $this->title_margin = 25; |
---|
1432 | $this->title_adjust="middle"; |
---|
1433 | $this->title->SetOrientation(90); |
---|
1434 | $this->tick_label_margin=6; |
---|
1435 | } |
---|
1436 | else { |
---|
1437 | $this->title_margin = 5; |
---|
1438 | $this->title_adjust="high"; |
---|
1439 | $this->title->SetOrientation(0); |
---|
1440 | $this->tick_label_margin=3; |
---|
1441 | } |
---|
1442 | } |
---|
1443 | //--------------- |
---|
1444 | // PUBLIC METHODS |
---|
1445 | |
---|
1446 | // Utility function to set the direction for tick marks |
---|
1447 | function SetTickDirection($aDir) { |
---|
1448 | $this->scale->ticks->SetDirection($aDir); |
---|
1449 | } |
---|
1450 | |
---|
1451 | function SetLabelFormatString($aFormStr) { |
---|
1452 | $this->scale->ticks->SetLabelFormat($aFormStr); |
---|
1453 | } |
---|
1454 | |
---|
1455 | function SetLabelFormatCallback($aFuncName) { |
---|
1456 | $this->scale->ticks->SetFormatCallback($aFuncName); |
---|
1457 | } |
---|
1458 | |
---|
1459 | // Don't display the first label |
---|
1460 | function HideFirstTickLabel($aHide=false) { |
---|
1461 | $this->show_first_label=$aHide; |
---|
1462 | } |
---|
1463 | |
---|
1464 | // Hide the axis |
---|
1465 | function Hide($aHide=true) { |
---|
1466 | $this->hide=$aHide; |
---|
1467 | } |
---|
1468 | |
---|
1469 | // Weight of axis |
---|
1470 | function SetWeight($aWeight) { |
---|
1471 | $this->weight = $aWeight; |
---|
1472 | } |
---|
1473 | |
---|
1474 | // Axis color |
---|
1475 | function SetColor($aColor,$aLabelColor=false) { |
---|
1476 | $this->color = $aColor; |
---|
1477 | if( !$aLabelColor ) $this->label_color = $aColor; |
---|
1478 | else $this->label_color = $aLabelColor; |
---|
1479 | } |
---|
1480 | |
---|
1481 | // Title on axis |
---|
1482 | function SetTitle($aTitle,$aAdjustAlign="high") { |
---|
1483 | $this->title->Set($aTitle); |
---|
1484 | $this->title_adjust=$aAdjustAlign; |
---|
1485 | } |
---|
1486 | |
---|
1487 | // Specify distance from the axis |
---|
1488 | function SetTitleMargin($aMargin) { |
---|
1489 | $this->title_margin=$aMargin; |
---|
1490 | } |
---|
1491 | |
---|
1492 | // Specify text labels for the ticks. One label for each data point |
---|
1493 | function SetTickLabels($aLabelArray) { |
---|
1494 | $this->ticks_label = $aLabelArray; |
---|
1495 | } |
---|
1496 | |
---|
1497 | // How far from the axis should the labels be drawn |
---|
1498 | function SetTickLabelMargin($aMargin) { |
---|
1499 | $this->tick_label_margin=$aMargin; |
---|
1500 | } |
---|
1501 | |
---|
1502 | // Specify that every $step of the ticks should be displayed starting |
---|
1503 | // at $start |
---|
1504 | // DEPRECATED FUNCTION: USE SetTextTickInterval() INSTEAD |
---|
1505 | function SetTextTicks($step,$start=0) { |
---|
1506 | JpGraphError::Raise("<b>JpGraph Error:</b> SetTextTicks() is deprecated. Use SetTextTickInterval() instead."); |
---|
1507 | } |
---|
1508 | |
---|
1509 | // Specify that every $step of the ticks should be displayed starting |
---|
1510 | // at $start |
---|
1511 | function SetTextTickInterval($aStep,$aStart=0) { |
---|
1512 | $this->scale->ticks->SetTextLabelStart($aStart); |
---|
1513 | $this->tick_step=$aStep; |
---|
1514 | } |
---|
1515 | |
---|
1516 | // Specify that every $step tick mark should have a label |
---|
1517 | // should be displayed starting |
---|
1518 | function SetTextLabelInterval($aStep) { |
---|
1519 | if( $aStep < 1 ) |
---|
1520 | JpGraphError::Raise("<b>JpGraph Error:</b> Text label interval must be specified >= 1."); |
---|
1521 | $this->label_step=$aStep; |
---|
1522 | } |
---|
1523 | |
---|
1524 | |
---|
1525 | // Which side of the axis should the labels be on? |
---|
1526 | function SetLabelPos($aSidePos) { |
---|
1527 | $this->labelPos=$aSidePos; |
---|
1528 | } |
---|
1529 | |
---|
1530 | // Set the font |
---|
1531 | function SetFont($aFamily,$aStyle=FS_NORMAL,$aSize=10) { |
---|
1532 | $this->font_family = $aFamily; |
---|
1533 | $this->font_style = $aStyle; |
---|
1534 | $this->font_size = $aSize; |
---|
1535 | } |
---|
1536 | |
---|
1537 | // Which side of the axis should the axis title be? |
---|
1538 | function SetTitleSide($aSideOfAxis) { |
---|
1539 | $this->title_side = $aSideOfAxis; |
---|
1540 | } |
---|
1541 | |
---|
1542 | // Stroke the axis. |
---|
1543 | function Stroke($aOtherAxisScale) { |
---|
1544 | if( $this->hide ) return; |
---|
1545 | if( is_numeric($this->pos) ) { |
---|
1546 | $pos=$aOtherAxisScale->Translate($this->pos); |
---|
1547 | } |
---|
1548 | else { // Default to minimum of other scale if pos not set |
---|
1549 | if( $aOtherAxisScale->GetMinVal() >= 0 || $this->pos=="min" ) { |
---|
1550 | $pos = $aOtherAxisScale->scale_abs[0]; |
---|
1551 | } |
---|
1552 | else { // If negative set x-axis at 0 |
---|
1553 | $this->pos=0; |
---|
1554 | $pos=$aOtherAxisScale->Translate(0); |
---|
1555 | } |
---|
1556 | } |
---|
1557 | $this->img->SetLineWeight($this->weight); |
---|
1558 | $this->img->SetColor($this->color); |
---|
1559 | $this->img->SetFont($this->font_family,$this->font_style,$this->font_size); |
---|
1560 | if( $this->scale->type == "x" ) { |
---|
1561 | $this->img->FilledRectangle($this->img->left_margin,$pos, |
---|
1562 | $this->img->width-$this->img->right_margin,$pos+$this->weight-1); |
---|
1563 | $y=$pos+$this->img->GetFontHeight()+$this->title_margin; |
---|
1564 | if( $this->title_adjust=="high" ) |
---|
1565 | $this->title->Pos($this->img->width-$this->img->right_margin,$y,"right","top"); |
---|
1566 | elseif($this->title_adjust=="middle") |
---|
1567 | $this->title->Pos(($this->img->width-$this->img->left_margin-$this->img->right_margin)/2+$this->img->left_margin,$y,"center","top"); |
---|
1568 | elseif($this->title_adjust=="low") |
---|
1569 | $this->title->Pos($this->img->left_margin,$y,"left","top"); |
---|
1570 | } |
---|
1571 | elseif( $this->scale->type == "y" ) { |
---|
1572 | // Add line weight to the height of the axis since |
---|
1573 | // the x-axis could have a width>1 and we want the axis to fit nicely together. |
---|
1574 | $this->img->FilledRectangle($pos-$this->weight+1,$this->img->top_margin, |
---|
1575 | $pos,$this->img->height-$this->img->bottom_margin+$this->weight-1); |
---|
1576 | $x=$pos ; |
---|
1577 | if( $this->title_side == SIDE_LEFT ) { |
---|
1578 | $x -= $this->title_margin; |
---|
1579 | $halign="right"; |
---|
1580 | } |
---|
1581 | else { |
---|
1582 | $x += $this->title_margin; |
---|
1583 | $halign="left"; |
---|
1584 | } |
---|
1585 | if( $this->title_adjust=="high" ) |
---|
1586 | $this->title->Pos($x,$this->img->top_margin,$halign,"top"); |
---|
1587 | elseif($this->title_adjust=="middle" || $this->title_adjust=="center") |
---|
1588 | $this->title->Pos($x,($this->img->height-$this->img->top_margin-$this->img->bottom_margin)/2+$this->img->top_margin,$halign,"center"); |
---|
1589 | elseif($this->title_adjust=="low") |
---|
1590 | $this->title->Pos($x,$this->img->height-$this->img->bottom_margin,$halign,"bottom"); |
---|
1591 | } |
---|
1592 | $this->scale->ticks->Stroke($this->img,$this->scale,$pos); |
---|
1593 | $this->StrokeLabels($pos); |
---|
1594 | $this->title->Stroke($this->img); |
---|
1595 | } |
---|
1596 | |
---|
1597 | // Position for axis line on the "other" scale |
---|
1598 | function SetPos($aPosOnOtherScale) { |
---|
1599 | $this->pos=$aPosOnOtherScale; |
---|
1600 | } |
---|
1601 | |
---|
1602 | // Specify the angle for the tick labels |
---|
1603 | function SetLabelAngle($aAngle) { |
---|
1604 | $this->label_angle = $aAngle; |
---|
1605 | } |
---|
1606 | |
---|
1607 | //--------------- |
---|
1608 | // PRIVATE METHODS |
---|
1609 | // Draw all the tick labels on major tick marks |
---|
1610 | function StrokeLabels($aPos,$aMinor=false) { |
---|
1611 | $this->img->SetColor($this->label_color); |
---|
1612 | $this->img->SetFont($this->font_family,$this->font_style,$this->font_size); |
---|
1613 | $yoff=$this->img->GetFontHeight()/2; |
---|
1614 | |
---|
1615 | // Only draw labels at major tick marks |
---|
1616 | $nbr = count($this->scale->ticks->maj_ticks_label); |
---|
1617 | |
---|
1618 | // We have the option to not-display the very first mark |
---|
1619 | // (Usefull when the first label might interfere with another |
---|
1620 | // axis.) |
---|
1621 | if( $this->show_first_label ) $start=0; |
---|
1622 | else $start=1; |
---|
1623 | |
---|
1624 | // Note. the $limit is only used for the x axis since we |
---|
1625 | // might otherwise overshoot if the scale has been centered |
---|
1626 | // This is due to us "loosing" the last tick mark if we center. |
---|
1627 | //if( $this->scale->type=="x" ) |
---|
1628 | // $limit=$this->img->width-$this->img->right_margin; |
---|
1629 | //else |
---|
1630 | // $limit=$this->img->height; |
---|
1631 | |
---|
1632 | // $i holds the current index for the label |
---|
1633 | $i=$start; |
---|
1634 | |
---|
1635 | // Now run through all labels making sure we don't overshoot the end |
---|
1636 | // of the scale. |
---|
1637 | while( $i<$nbr ) { |
---|
1638 | // $tpos holds the absolute text position for the label |
---|
1639 | $tpos=$this->scale->ticks->maj_ticklabels_pos[$i]; |
---|
1640 | // we only draw every $label_step label |
---|
1641 | if( ($i % $this->label_step)==0 ) { |
---|
1642 | |
---|
1643 | // If the label has been specified use that and in other case |
---|
1644 | // just label the mark with the actual scale value |
---|
1645 | $m=$this->scale->ticks->GetMajor(); |
---|
1646 | |
---|
1647 | // ticks_label has an entry for each data point |
---|
1648 | if( isset($this->ticks_label[$i*$m]) ) |
---|
1649 | $label=$this->ticks_label[$i*$m]; |
---|
1650 | else |
---|
1651 | $label=$this->scale->ticks->maj_ticks_label[$i]; |
---|
1652 | |
---|
1653 | if( $this->scale->type == "x" ) { |
---|
1654 | if( $this->label_angle==0 || $this->label_angle==90 ) |
---|
1655 | $this->img->SetTextAlign("center","top"); |
---|
1656 | else |
---|
1657 | $this->img->SetTextAlign("topanchor","top"); |
---|
1658 | $this->img->StrokeText($tpos,$aPos+$this->tick_label_margin,$label,$this->label_angle); |
---|
1659 | } |
---|
1660 | else { |
---|
1661 | // scale->type == "y" |
---|
1662 | if( $this->label_angle!=0 ) |
---|
1663 | JpGraphError::Raise("<b>JpGraph Error:</b> Labels at an angle are not supported on Y-axis"); |
---|
1664 | if( $this->labelPos == 0 ) { // To the left of y-axis |
---|
1665 | $this->img->SetTextAlign("right","center"); |
---|
1666 | $this->img->StrokeText($aPos-$this->tick_label_margin,$tpos,$label); |
---|
1667 | } |
---|
1668 | else { // To the right of the y-axis |
---|
1669 | $this->img->SetTextAlign("left","center"); |
---|
1670 | $this->img->StrokeText($aPos+$this->tick_label_margin,$tpos,$label); |
---|
1671 | } |
---|
1672 | } |
---|
1673 | } |
---|
1674 | ++$i; |
---|
1675 | } |
---|
1676 | } |
---|
1677 | |
---|
1678 | } // Class |
---|
1679 | |
---|
1680 | //=================================================== |
---|
1681 | // CLASS Ticks |
---|
1682 | // Description: Abstract base class for drawing linear and logarithmic |
---|
1683 | // tick marks on axis |
---|
1684 | //=================================================== |
---|
1685 | class Ticks { |
---|
1686 | var $minor_abs_size=3, $major_abs_size=5; |
---|
1687 | var $direction=1; // Should ticks be in(=1) the plot area or outside (=-1)? |
---|
1688 | var $scale; |
---|
1689 | var $is_set=false; |
---|
1690 | var $precision=-1; |
---|
1691 | var $supress_zerolabel=false,$supress_first=false; |
---|
1692 | var $supress_last=false,$supress_tickmarks=false,$supress_minor_tickmarks=false; |
---|
1693 | var $mincolor="",$majcolor=""; |
---|
1694 | var $weight=1; |
---|
1695 | var $label_formatstr=""; // C-style format string to use for labels |
---|
1696 | var $label_formfunc=""; |
---|
1697 | |
---|
1698 | |
---|
1699 | //--------------- |
---|
1700 | // CONSTRUCTOR |
---|
1701 | function Ticks(&$aScale) { |
---|
1702 | $this->scale=&$aScale; |
---|
1703 | } |
---|
1704 | |
---|
1705 | //--------------- |
---|
1706 | // PUBLIC METHODS |
---|
1707 | // Set format string for automatic labels |
---|
1708 | function SetLabelFormat($aFormatString) { |
---|
1709 | $this->label_formatstr=$aFormatString; |
---|
1710 | } |
---|
1711 | |
---|
1712 | function SetFormatCallback($aCallbackFuncName) { |
---|
1713 | $this->label_formfunc = $aCallbackFuncName; |
---|
1714 | } |
---|
1715 | |
---|
1716 | // Don't display the first zero label |
---|
1717 | function SupressZeroLabel($aFlag=true) { |
---|
1718 | $this->supress_zerolabel=$aFlag; |
---|
1719 | } |
---|
1720 | |
---|
1721 | // Don't display minor tick marks |
---|
1722 | function SupressMinorTickMarks($aHide=true) { |
---|
1723 | $this->supress_minor_tickmarks=$aHide; |
---|
1724 | } |
---|
1725 | |
---|
1726 | // Don't display major tick marks |
---|
1727 | function SupressTickMarks($aHide=true) { |
---|
1728 | $this->supress_tickmarks=$aHide; |
---|
1729 | } |
---|
1730 | |
---|
1731 | // Hide the first tick mark |
---|
1732 | function SupressFirst($aHide=true) { |
---|
1733 | $this->supress_first=$aHide; |
---|
1734 | } |
---|
1735 | |
---|
1736 | // Hide the last tick mark |
---|
1737 | function SupressLast($aHide=true) { |
---|
1738 | $this->supress_last=$aHide; |
---|
1739 | } |
---|
1740 | |
---|
1741 | // Size (in pixels) of minor tick marks |
---|
1742 | function GetMinTickAbsSize() { |
---|
1743 | return $this->minor_abs_size; |
---|
1744 | } |
---|
1745 | |
---|
1746 | // Size (in pixels) of major tick marks |
---|
1747 | function GetMajTickAbsSize() { |
---|
1748 | return $this->major_abs_size; |
---|
1749 | } |
---|
1750 | |
---|
1751 | // Have the ticks been specified |
---|
1752 | function IsSpecified() { |
---|
1753 | return $this->is_set; |
---|
1754 | } |
---|
1755 | |
---|
1756 | // Set the distance between major and minor tick marks |
---|
1757 | function Set($aMaj,$aMin) { |
---|
1758 | // "Virtual method" |
---|
1759 | // Should be implemented by the concrete subclass |
---|
1760 | // if any action is wanted. |
---|
1761 | } |
---|
1762 | |
---|
1763 | // Specify number of decimals in automtic labels |
---|
1764 | // Deprecated from 1.4. Use SetFormatString() instead |
---|
1765 | function SetPrecision($aPrecision) { |
---|
1766 | $this->precision=$aPrecision; |
---|
1767 | } |
---|
1768 | |
---|
1769 | // Which side of the axis should the ticks be on |
---|
1770 | function SetDirection($aSide=SIDE_RIGHT) { |
---|
1771 | $this->direction=$aSide; |
---|
1772 | } |
---|
1773 | |
---|
1774 | // Set colors for major and minor tick marks |
---|
1775 | function SetMarkColor($aMajorColor,$aMinorColor="") { |
---|
1776 | $this->majcolor=$aMajorColor; |
---|
1777 | |
---|
1778 | // If not specified use same as major |
---|
1779 | if( $aMinorColor=="" ) |
---|
1780 | $this->mincolor=$aMajorColor; |
---|
1781 | else |
---|
1782 | $this->mincolor=$aMinorColor; |
---|
1783 | } |
---|
1784 | |
---|
1785 | function SetWeight($aWeight) { |
---|
1786 | $this->weight=$aWeight; |
---|
1787 | } |
---|
1788 | |
---|
1789 | } // Class |
---|
1790 | |
---|
1791 | //=================================================== |
---|
1792 | // CLASS LinearTicks |
---|
1793 | // Description: Draw linear ticks on axis |
---|
1794 | //=================================================== |
---|
1795 | class LinearTicks extends Ticks { |
---|
1796 | var $minor_step=1, $major_step=2; |
---|
1797 | var $xlabel_offset=0,$xtick_offset=0; |
---|
1798 | var $label_offset=0; // What offset should the displayed label have |
---|
1799 | // i.e should we display 0,1,2 or 1,2,3,4 or 2,3,4 etc |
---|
1800 | var $text_label_start=0; |
---|
1801 | //--------------- |
---|
1802 | // CONSTRUCTOR |
---|
1803 | function LinearTicks() { |
---|
1804 | // Empty |
---|
1805 | } |
---|
1806 | |
---|
1807 | //--------------- |
---|
1808 | // PUBLIC METHODS |
---|
1809 | |
---|
1810 | |
---|
1811 | // Return major step size in world coordinates |
---|
1812 | function GetMajor() { |
---|
1813 | return $this->major_step; |
---|
1814 | } |
---|
1815 | |
---|
1816 | // Return minor step size in world coordinates |
---|
1817 | function GetMinor() { |
---|
1818 | return $this->minor_step; |
---|
1819 | } |
---|
1820 | |
---|
1821 | // Set Minor and Major ticks (in world coordinates) |
---|
1822 | function Set($aMajStep,$aMinStep) { |
---|
1823 | if( $aMajStep <= 0 || $aMinStep <= 0 ) { |
---|
1824 | JpGraphError::Raise("<b>JpGraph Error:</b> Minor or major step size is 0. Check that you haven't |
---|
1825 | got an accidental SetTextTicks(0) in your code.<p> |
---|
1826 | If this is not the case you might have stumbled upon a bug in JpGraph. |
---|
1827 | Please report this and if possible include the data that caused the |
---|
1828 | problem."); |
---|
1829 | } |
---|
1830 | |
---|
1831 | $this->major_step=$aMajStep; |
---|
1832 | $this->minor_step=$aMinStep; |
---|
1833 | $this->is_set = true; |
---|
1834 | } |
---|
1835 | |
---|
1836 | // Draw linear ticks |
---|
1837 | function Stroke(&$img,&$scale,$pos) { |
---|
1838 | $maj_step_abs = $scale->scale_factor*$this->major_step; |
---|
1839 | $min_step_abs = $scale->scale_factor*$this->minor_step; |
---|
1840 | |
---|
1841 | if( $min_step_abs==0 || $maj_step_abs==0 ) |
---|
1842 | JpGraphError::Raise("<b>JpGraph Error:</b> A plot has an illegal scale. This could for example be |
---|
1843 | that you are trying to use text autoscaling to draw a line plot with only one point |
---|
1844 | or similair abnormality (a line needs two points!)."); |
---|
1845 | $limit = $scale->scale_abs[1]; |
---|
1846 | $nbrmajticks=floor(1.000001*(($scale->GetMaxVal()-$scale->GetMinVal())/$this->major_step))+1; |
---|
1847 | $first=0; |
---|
1848 | |
---|
1849 | // If precision hasn't been specified set it to a sensible value |
---|
1850 | if( $this->precision==-1 ) { |
---|
1851 | $t = log10($this->minor_step); |
---|
1852 | if( $t > 0 ) |
---|
1853 | $precision = 0; |
---|
1854 | else |
---|
1855 | $precision = -floor($t); |
---|
1856 | } |
---|
1857 | else |
---|
1858 | $precision = $this->precision; |
---|
1859 | |
---|
1860 | $img->SetLineWeight($this->weight); |
---|
1861 | |
---|
1862 | // Handle ticks on X-axis |
---|
1863 | if( $scale->type == "x" ) { |
---|
1864 | // Draw the major tick marks |
---|
1865 | |
---|
1866 | $yu = $pos - $this->direction*$this->GetMajTickAbsSize(); |
---|
1867 | |
---|
1868 | // TODO: Add logic to set label_offset for text labels |
---|
1869 | $label = (float)$scale->GetMinVal()+$this->text_label_start+$this->label_offset; |
---|
1870 | |
---|
1871 | $start_abs=$scale->scale_factor*$this->text_label_start; |
---|
1872 | |
---|
1873 | $nbrmajticks=ceil(($scale->GetMaxVal()-$scale->GetMinVal()-$this->text_label_start )/$this->major_step)+1; |
---|
1874 | for( $i=0; $label<=$scale->GetMaxVal()+$this->label_offset; ++$i ) { |
---|
1875 | $x=$scale->scale_abs[0]+$start_abs+$i*$maj_step_abs+$this->xlabel_offset*$min_step_abs; |
---|
1876 | $this->maj_ticklabels_pos[$i]=ceil($x); |
---|
1877 | |
---|
1878 | // Apply format |
---|
1879 | if( $this->label_formfunc != "" ) { |
---|
1880 | $f=$this->label_formfunc; |
---|
1881 | $l = $f($label); |
---|
1882 | } |
---|
1883 | elseif( $this->label_formatstr != "" ) |
---|
1884 | $l = sprintf($this->label_formatstr,$label); |
---|
1885 | else |
---|
1886 | $l = sprintf("%01.".$precision."f",round($label,$precision)); |
---|
1887 | |
---|
1888 | if( ($this->supress_zerolabel && ($l + 0)==0) || |
---|
1889 | ($this->supress_first && $i==0) || |
---|
1890 | ($this->supress_last && $i==$nbrmajticks-1) ) |
---|
1891 | $l=""; |
---|
1892 | $this->maj_ticks_label[$i]=$l; |
---|
1893 | $label+=$this->major_step; |
---|
1894 | |
---|
1895 | // The x-position of the tick marks can be different from the labels. |
---|
1896 | // Note that we record the tick position (not the label) so that the grid |
---|
1897 | // happen upon tick marks and not labels. |
---|
1898 | $xtick=$scale->scale_abs[0]+$start_abs+$i*$maj_step_abs+$this->xtick_offset*$min_step_abs; |
---|
1899 | $this->maj_ticks_pos[$i]=ceil($xtick); |
---|
1900 | if(!($this->xtick_offset > 0 && $i==$nbrmajticks-1) && !$this->supress_tickmarks) { |
---|
1901 | if( $this->majcolor!="" ) $img->PushColor($this->majcolor); |
---|
1902 | $img->Line($xtick,$pos,$xtick,$yu); |
---|
1903 | if( $this->majcolor!="" ) $img->PopColor(); |
---|
1904 | } |
---|
1905 | } |
---|
1906 | // Draw the minor tick marks |
---|
1907 | |
---|
1908 | $yu = $pos - $this->direction*$this->GetMinTickAbsSize(); |
---|
1909 | $label = $scale->GetMinVal(); |
---|
1910 | for( $i=0,$x=$scale->scale_abs[0]; $x<$limit; ++$i ) { |
---|
1911 | $x=$scale->scale_abs[0]+$i*$min_step_abs; |
---|
1912 | $this->ticks_pos[]=$x; |
---|
1913 | $this->ticks_label[]=$label; |
---|
1914 | $label+=$this->minor_step; |
---|
1915 | if( !$this->supress_tickmarks && !$this->supress_minor_tickmarks) { |
---|
1916 | if( $this->mincolor!="" ) $img->PushColor($this->mincolor); |
---|
1917 | $img->Line($x,$pos,$x,$yu); |
---|
1918 | if( $this->mincolor!="" ) $img->PopColor(); |
---|
1919 | } |
---|
1920 | } |
---|
1921 | } |
---|
1922 | elseif( $scale->type == "y" ) { |
---|
1923 | // Draw the major tick marks |
---|
1924 | $xr = $pos + $this->direction*$this->GetMajTickAbsSize(); |
---|
1925 | $label = $scale->GetMinVal(); |
---|
1926 | for( $i=0; $i<$nbrmajticks; ++$i) { |
---|
1927 | $y=$scale->scale_abs[0]+$i*$maj_step_abs; |
---|
1928 | |
---|
1929 | // THe following two lines might seem to be unecessary but they are not! |
---|
1930 | // The reason being that for X-axis we separate the position of the labels |
---|
1931 | // and the tick marks which we don't do for the Y-axis. |
---|
1932 | // We therefore need to make sure both arrays are corcectly filled |
---|
1933 | // since Axis::StrokeLabels() uses the label positions and Grid::Stroke() uses |
---|
1934 | // the tick positions. |
---|
1935 | $this->maj_ticklabels_pos[$i]=$y; |
---|
1936 | $this->maj_ticks_pos[$i]=$y; |
---|
1937 | |
---|
1938 | if( $this->label_formfunc != "" ) { |
---|
1939 | $f=$this->label_formfunc; |
---|
1940 | $l = $f($label); |
---|
1941 | } |
---|
1942 | elseif( $this->label_formatstr != "" ) |
---|
1943 | $l = sprintf($this->label_formatstr,$label); |
---|
1944 | else |
---|
1945 | $l = sprintf("%01.".$precision."f",round($label,$precision)); |
---|
1946 | |
---|
1947 | if( ($this->supress_zerolabel && ($l + 0)==0) || |
---|
1948 | ($this->supress_first && $i==0) || |
---|
1949 | ($this->supress_last && $i==$nbrmajticks-1) ) |
---|
1950 | $l=""; |
---|
1951 | $this->maj_ticks_label[$i]=$l; |
---|
1952 | $label+=$this->major_step; |
---|
1953 | if( !$this->supress_tickmarks ) { |
---|
1954 | if( $this->majcolor!="" ) $img->PushColor($this->majcolor); |
---|
1955 | $img->Line($pos,$y,$xr,$y); |
---|
1956 | if( $this->majcolor!="" ) $img->PopColor(); |
---|
1957 | } |
---|
1958 | } |
---|
1959 | // Draw the minor tick marks |
---|
1960 | $xr = $pos + $this->direction*$this->GetMinTickAbsSize(); |
---|
1961 | $label = $scale->GetMinVal(); |
---|
1962 | for( $i=0,$y=$scale->scale_abs[0]; $y>=$limit; ) { |
---|
1963 | $this->ticks_pos[$i]=$y; |
---|
1964 | $this->ticks_label[$i]=$label; |
---|
1965 | $label+=$this->minor_step; |
---|
1966 | if( !$this->supress_tickmarks && !$this->supress_minor_tickmarks) { |
---|
1967 | if( $this->mincolor!="" ) $img->PushColor($this->mincolor); |
---|
1968 | $img->Line($pos,$y,$xr,$y); |
---|
1969 | if( $this->mincolor!="" ) $img->PopColor(); |
---|
1970 | } |
---|
1971 | ++$i; |
---|
1972 | $y=$scale->scale_abs[0]+$i*$min_step_abs; |
---|
1973 | } |
---|
1974 | } |
---|
1975 | } |
---|
1976 | //--------------- |
---|
1977 | // PRIVATE METHODS |
---|
1978 | // Spoecify the offset of the displayed tick mark with the tick "space" |
---|
1979 | // Legal values for $o is [0,1] used to adjust where the tick marks and label |
---|
1980 | // should be positioned within the major tick-size |
---|
1981 | // $lo specifies the label offset and $to specifies the tick offset |
---|
1982 | // this comes in handy for example in bar graphs where we wont no offset for the |
---|
1983 | // tick but have the labels displayed halfway under the bars. |
---|
1984 | function SetXLabelOffset($aLabelOff,$aTickOff=-1) { |
---|
1985 | $this->xlabel_offset=$aLabelOff; |
---|
1986 | if( $aTickOff==-1 ) // Same as label offset |
---|
1987 | $this->xtick_offset=$aLabelOff; |
---|
1988 | else |
---|
1989 | $this->xtick_offset=$aTickOff; |
---|
1990 | if( $aLabelOff>0 ) |
---|
1991 | $this->SupressLast(); // The last tick wont fit |
---|
1992 | } |
---|
1993 | |
---|
1994 | // Which tick label should we start with? |
---|
1995 | function SetTextLabelStart($aTextLabelOff) { |
---|
1996 | $this->text_label_start=$aTextLabelOff; |
---|
1997 | } |
---|
1998 | |
---|
1999 | } // Class |
---|
2000 | |
---|
2001 | //=================================================== |
---|
2002 | // CLASS LinearScale |
---|
2003 | // Description: Handle linear scaling between screen and world |
---|
2004 | //=================================================== |
---|
2005 | class LinearScale { |
---|
2006 | var $scale=array(0,0); |
---|
2007 | var $scale_abs=array(0,0); |
---|
2008 | var $scale_factor; // Scale factor between world and screen |
---|
2009 | var $world_size; // Plot area size in world coordinates |
---|
2010 | var $world_abs_size; // Plot area size in pixels |
---|
2011 | var $off; // Offset between image edge and plot area |
---|
2012 | var $type; // is this x or y scale ? |
---|
2013 | var $ticks=null; // Store ticks |
---|
2014 | var $autoscale_min=false; // Forced minimum value, useful to let user force 0 as start and autoscale max |
---|
2015 | var $gracetop=0,$gracebottom=0; |
---|
2016 | var $intscale=false; // Restrict autoscale to integers |
---|
2017 | //--------------- |
---|
2018 | // CONSTRUCTOR |
---|
2019 | function LinearScale($aMin=0,$aMax=0,$aType="y") { |
---|
2020 | assert($aType=="x" || $aType=="y" ); |
---|
2021 | assert($aMin<=$aMax); |
---|
2022 | |
---|
2023 | $this->type=$aType; |
---|
2024 | $this->scale=array($aMin,$aMax); |
---|
2025 | $this->world_size=$aMax-$aMin; |
---|
2026 | $this->ticks = new LinearTicks(); |
---|
2027 | } |
---|
2028 | |
---|
2029 | //--------------- |
---|
2030 | // PUBLIC METHODS |
---|
2031 | // Second phase constructor |
---|
2032 | function Init(&$aImg) { |
---|
2033 | $this->InitConstants($aImg); |
---|
2034 | // We want image to notify us when the margins changes so we |
---|
2035 | // can recalculate the constants. |
---|
2036 | // PHP <= 4.04 BUGWARNING: IT IS IMPOSSIBLE TO DO THIS IN THE CONSTRUCTOR |
---|
2037 | // SINCE (FOR SOME REASON) IT IS IMPOSSIBLE TO PASS A REFERENCE |
---|
2038 | // TO 'this' INSTEAD IT WILL ADD AN ANONYMOUS COPY OF THIS OBJECT WHICH WILL |
---|
2039 | // GET ALL THE NOTIFICATIONS. (This took a while to track down...) |
---|
2040 | |
---|
2041 | // Add us as an observer to class Image |
---|
2042 | $aImg->AddObserver("InitConstants",$this); |
---|
2043 | } |
---|
2044 | |
---|
2045 | // Check if scale is set or if we should autoscale |
---|
2046 | // We should do this is either scale or ticks has not been set |
---|
2047 | function IsSpecified() { |
---|
2048 | if( $this->GetMinVal()==$this->GetMaxVal() ) { // Scale not set |
---|
2049 | return false; |
---|
2050 | } |
---|
2051 | return true; |
---|
2052 | } |
---|
2053 | |
---|
2054 | // Set the minimum data value when the autoscaling is used. |
---|
2055 | // Usefull if you want a fix minimum (like 0) but automtic maximum |
---|
2056 | function SetAutoMin($aMin) { |
---|
2057 | $this->autoscale_min=$aMin; |
---|
2058 | } |
---|
2059 | |
---|
2060 | // Specify scale "grace" value (top and bottom) |
---|
2061 | function SetGrace($aGraceTop,$aGraceBottom=0) { |
---|
2062 | if( $aGraceTop<0 || $aGraceBottom < 0 ) |
---|
2063 | JpGraphError::Raise("<b>JpGraph Error:</b> Grace must be larger then 0"); |
---|
2064 | $this->gracetop=$aGraceTop; |
---|
2065 | $this->gracebottom=$aGraceBottom; |
---|
2066 | } |
---|
2067 | |
---|
2068 | // Get the minimum value in the scale |
---|
2069 | function GetMinVal() { |
---|
2070 | return $this->scale[0]; |
---|
2071 | } |
---|
2072 | |
---|
2073 | // get maximum value for scale |
---|
2074 | function GetMaxVal() { |
---|
2075 | return $this->scale[1]; |
---|
2076 | } |
---|
2077 | |
---|
2078 | // Specify a new min/max value for sclae |
---|
2079 | function Update(&$aImg,$aMin,$aMax) { |
---|
2080 | $this->scale=array($aMin,$aMax); |
---|
2081 | $this->world_size=$aMax-$aMin; |
---|
2082 | $this->InitConstants($aImg); |
---|
2083 | } |
---|
2084 | |
---|
2085 | // Translate between world and screen |
---|
2086 | function Translate($aCoord) { |
---|
2087 | return $this->off+round(($aCoord*1.0 - $this->GetMinVal()) * $this->scale_factor,0); |
---|
2088 | } |
---|
2089 | |
---|
2090 | // Relative translate (don't include offset) usefull when we just want |
---|
2091 | // to know the relative position (in pixels) on the axis |
---|
2092 | function RelTranslate($aCoord) { |
---|
2093 | return round(($aCoord*1.0 - $this->GetMinVal()) * $this->scale_factor,0); |
---|
2094 | } |
---|
2095 | |
---|
2096 | // Restrict autoscaling to only use integers |
---|
2097 | function SetIntScale($aIntScale=true) { |
---|
2098 | $this->intscale=$aIntScale; |
---|
2099 | } |
---|
2100 | |
---|
2101 | // Calculate an integer autoscale |
---|
2102 | function IntAutoScale(&$img,$min,$max,$maxsteps,$majend=true) { |
---|
2103 | // Make sure limits are integers |
---|
2104 | $min=floor($min); |
---|
2105 | $max=ceil($max); |
---|
2106 | if( abs($min-$max)==0 ) { |
---|
2107 | --$min; ++$max; |
---|
2108 | } |
---|
2109 | $gracetop=ceil(($this->gracetop/100.0))*abs($max-$min); |
---|
2110 | $gracebottom=ceil(($this->gracebottom/100.0))*abs($max-$min); |
---|
2111 | if( is_numeric($this->autoscale_min) ) { |
---|
2112 | $min = ceil($this->autoscale_min); |
---|
2113 | if( abs($min-$max ) == 0 ) { |
---|
2114 | ++$max; |
---|
2115 | --$min; |
---|
2116 | } |
---|
2117 | } |
---|
2118 | |
---|
2119 | $min -= $gracebottom; |
---|
2120 | $max += $gracetop; |
---|
2121 | |
---|
2122 | // First get tickmarks as multiples of 1, 10, ... |
---|
2123 | list($num1steps,$adj1min,$adj1max,$maj1step) = |
---|
2124 | $this->IntCalcTicks($maxsteps,$min,$max,1); |
---|
2125 | |
---|
2126 | // Then get tick marks as 2:s 2, 20, ... |
---|
2127 | list($num2steps,$adj2min,$adj2max,$maj2step) = |
---|
2128 | $this->IntCalcTicks($maxsteps,$min,$max,5); |
---|
2129 | |
---|
2130 | // Then get tickmarks as 5:s 5, 50, 500, ... |
---|
2131 | list($num5steps,$adj5min,$adj5max,$maj5step) = |
---|
2132 | $this->IntCalcTicks($maxsteps,$min,$max,2); |
---|
2133 | |
---|
2134 | // Check to see whichof 1:s, 2:s or 5:s fit better with |
---|
2135 | // the requested number of major ticks |
---|
2136 | $match1=abs($num1steps-$maxsteps); |
---|
2137 | $match2=abs($num2steps-$maxsteps); |
---|
2138 | if( $maj5step > 1 ) |
---|
2139 | $match5=abs($num5steps-$maxsteps); |
---|
2140 | else |
---|
2141 | $match5=1000000; // Dummy high value |
---|
2142 | |
---|
2143 | // Compare these three values and see which is the closest match |
---|
2144 | // We use a 0.6 weight to gravitate towards multiple of 5:s |
---|
2145 | if( $match1 < $match2 ) { |
---|
2146 | if( $match1 < $match5 ) |
---|
2147 | $r=1; |
---|
2148 | else |
---|
2149 | $r=3; |
---|
2150 | } |
---|
2151 | else { |
---|
2152 | if( $match2 < $match5 ) |
---|
2153 | $r=2; |
---|
2154 | else |
---|
2155 | $r=3; |
---|
2156 | } |
---|
2157 | |
---|
2158 | // Minsteps are always the same as maxsteps for integer scale |
---|
2159 | switch( $r ) { |
---|
2160 | case 1: |
---|
2161 | $this->Update($img,$adj1min,$adj1max); |
---|
2162 | $this->ticks->Set($maj1step,$maj1step); |
---|
2163 | break; |
---|
2164 | case 2: |
---|
2165 | $this->Update($img,$adj2min,$adj2max); |
---|
2166 | $this->ticks->Set($maj2step,$maj2step); |
---|
2167 | break; |
---|
2168 | case 3: |
---|
2169 | $this->Update($img,$adj5min,$adj5max); |
---|
2170 | $this->ticks->Set($maj5step,$maj2step); |
---|
2171 | break; |
---|
2172 | } |
---|
2173 | } |
---|
2174 | |
---|
2175 | |
---|
2176 | // Calculate autoscale. Used if user hasn't given a scale and ticks |
---|
2177 | // $maxsteps is the maximum number of major tickmarks allowed. |
---|
2178 | function AutoScale(&$img,$min,$max,$maxsteps,$majend=true) { |
---|
2179 | if( $this->intscale ) { |
---|
2180 | $this->IntAutoScale($img,$min,$max,$maxsteps,$majend); |
---|
2181 | return; |
---|
2182 | } |
---|
2183 | if( abs($min-$max) < 0.00001 ) { |
---|
2184 | // We need some difference to be able to autoscale |
---|
2185 | // make it 5% above and 5% below value |
---|
2186 | if( $min==0 && $max==0 ) { // Special case |
---|
2187 | $min=-1; $max=1; |
---|
2188 | } |
---|
2189 | else { |
---|
2190 | $delta = abs($max-$min)*0.05; |
---|
2191 | $min -= $delta; |
---|
2192 | $max += $delta; |
---|
2193 | } |
---|
2194 | } |
---|
2195 | |
---|
2196 | $gracetop=($this->gracetop/100.0)*abs($max-$min); |
---|
2197 | $gracebottom=($this->gracebottom/100.0)*abs($max-$min); |
---|
2198 | if( is_numeric($this->autoscale_min) ) { |
---|
2199 | $min = $this->autoscale_min; |
---|
2200 | if( abs($min-$max ) < 0.00001 ) |
---|
2201 | $max *= 1.05; |
---|
2202 | } |
---|
2203 | $min -= $gracebottom; |
---|
2204 | $max += $gracetop; |
---|
2205 | |
---|
2206 | // First get tickmarks as multiples of 0.1, 1, 10, ... |
---|
2207 | list($num1steps,$adj1min,$adj1max,$min1step,$maj1step) = |
---|
2208 | $this->CalcTicks($maxsteps,$min,$max,1,2); |
---|
2209 | |
---|
2210 | // Then get tick marks as 2:s 0.2, 2, 20, ... |
---|
2211 | list($num2steps,$adj2min,$adj2max,$min2step,$maj2step) = |
---|
2212 | $this->CalcTicks($maxsteps,$min,$max,5,2); |
---|
2213 | |
---|
2214 | // Then get tickmarks as 5:s 0.05, 0.5, 5, 50, ... |
---|
2215 | list($num5steps,$adj5min,$adj5max,$min5step,$maj5step) = |
---|
2216 | $this->CalcTicks($maxsteps,$min,$max,2,5); |
---|
2217 | |
---|
2218 | // Check to see whichof 1:s, 2:s or 5:s fit better with |
---|
2219 | // the requested number of major ticks |
---|
2220 | $match1=abs($num1steps-$maxsteps); |
---|
2221 | $match2=abs($num2steps-$maxsteps); |
---|
2222 | $match5=abs($num5steps-$maxsteps); |
---|
2223 | // Compare these three values and see which is the closest match |
---|
2224 | // We use a 0.8 weight to gravitate towards multiple of 5:s |
---|
2225 | $r=$this->MatchMin3($match1,$match2,$match5,0.8); |
---|
2226 | switch( $r ) { |
---|
2227 | case 1: |
---|
2228 | $this->Update($img,$adj1min,$adj1max); |
---|
2229 | $this->ticks->Set($maj1step,$min1step); |
---|
2230 | break; |
---|
2231 | case 2: |
---|
2232 | $this->Update($img,$adj2min,$adj2max); |
---|
2233 | $this->ticks->Set($maj2step,$min2step); |
---|
2234 | break; |
---|
2235 | case 3: |
---|
2236 | $this->Update($img,$adj5min,$adj5max); |
---|
2237 | $this->ticks->Set($maj5step,$min5step); |
---|
2238 | break; |
---|
2239 | } |
---|
2240 | } |
---|
2241 | |
---|
2242 | //--------------- |
---|
2243 | // PRIVATE METHODS |
---|
2244 | |
---|
2245 | // This method recalculates all constants that are depending on the |
---|
2246 | // margins in the image. If the margins in the image are changed |
---|
2247 | // this method should be called for every scale that is registred with |
---|
2248 | // that image. Should really be installed as an observer of that image. |
---|
2249 | function InitConstants(&$img) { |
---|
2250 | if( $this->type=="x" ) { |
---|
2251 | $this->world_abs_size=$img->width - $img->left_margin - $img->right_margin; |
---|
2252 | $this->off=$img->left_margin; |
---|
2253 | $this->scale_factor = 0; |
---|
2254 | if( $this->world_size > 0 ) |
---|
2255 | $this->scale_factor=$this->world_abs_size/($this->world_size*1.0); |
---|
2256 | } |
---|
2257 | else { // y scale |
---|
2258 | $this->world_abs_size=$img->height - $img->top_margin - $img->bottom_margin; |
---|
2259 | $this->off=$img->top_margin+$this->world_abs_size; |
---|
2260 | $this->scale_factor = 0; |
---|
2261 | if( $this->world_size > 0 ) |
---|
2262 | $this->scale_factor=-$this->world_abs_size/($this->world_size*1.0); |
---|
2263 | } |
---|
2264 | $size = $this->world_size * $this->scale_factor; |
---|
2265 | $this->scale_abs=array($this->off,$this->off + $size); |
---|
2266 | } |
---|
2267 | |
---|
2268 | // Initialize the conversion constants for this scale |
---|
2269 | // This tries to pre-calculate as much as possible to speed up the |
---|
2270 | // actual conversion (with Translate()) later on |
---|
2271 | // $start =scale start in absolute pixels (for x-scale this is an y-position |
---|
2272 | // and for an y-scale this is an x-position |
---|
2273 | // $len =absolute length in pixels of scale |
---|
2274 | function SetConstants($aStart,$aLen) { |
---|
2275 | $this->world_abs_size=$aLen; |
---|
2276 | $this->off=$aStart; |
---|
2277 | |
---|
2278 | if( $this->world_size<=0 ) { |
---|
2279 | JpGraphError::Raise("<b>JpGraph Fatal Error</b>:<br> |
---|
2280 | You have unfortunately stumbled upon a bug in JpGraph. <br> |
---|
2281 | It seems like the scale range is ".$this->world_size." [for ". |
---|
2282 | $this->type." scale] <br> |
---|
2283 | Please report Bug #01 to jpgraph@aditus.nu and include the script |
---|
2284 | that gave this error. <br> |
---|
2285 | This problem could potentially be caused by trying to use \"illegal\" |
---|
2286 | values in the input data arrays (like trying to send in strings or |
---|
2287 | only NULL values) which causes the autoscaling to fail."); |
---|
2288 | } |
---|
2289 | |
---|
2290 | // scale_factor = number of pixels per world unit |
---|
2291 | $this->scale_factor=$this->world_abs_size/($this->world_size*1.0); |
---|
2292 | |
---|
2293 | // scale_abs = start and end points of scale in absolute pixels |
---|
2294 | $this->scale_abs=array($this->off,$this->off+$this->world_size*$this->scale_factor); |
---|
2295 | } |
---|
2296 | |
---|
2297 | |
---|
2298 | // Calculate number of ticks steps with a specific division |
---|
2299 | // $a is the divisor of 10**x to generate the first maj tick intervall |
---|
2300 | // $a=1, $b=2 give major ticks with multiple of 10, ...,0.1,1,10,... |
---|
2301 | // $a=5, $b=2 give major ticks with multiple of 2:s ...,0.2,2,20,... |
---|
2302 | // $a=2, $b=5 give major ticks with multiple of 5:s ...,0.5,5,50,... |
---|
2303 | // We return a vector of |
---|
2304 | // [$numsteps,$adjmin,$adjmax,$minstep,$majstep] |
---|
2305 | // If $majend==true then the first and last marks on the axis will be major |
---|
2306 | // labeled tick marks otherwise it will be adjusted to the closest min tick mark |
---|
2307 | function CalcTicks($maxsteps,$min,$max,$a,$b,$majend=true) { |
---|
2308 | $diff=$max-$min; |
---|
2309 | if( $diff==0 ) |
---|
2310 | $ld=0; |
---|
2311 | else |
---|
2312 | $ld=floor(log10($diff)); |
---|
2313 | |
---|
2314 | // Gravitate min towards zero if we are close |
---|
2315 | if( $min>0 && $min < pow(10,$ld) ) $min=0; |
---|
2316 | |
---|
2317 | $majstep=pow(10,$ld-1)/$a; |
---|
2318 | $minstep=$majstep/$b; |
---|
2319 | $adjmax=ceil($max/$minstep)*$minstep; |
---|
2320 | $adjmin=floor($min/$minstep)*$minstep; |
---|
2321 | $adjdiff = $adjmax-$adjmin; |
---|
2322 | $numsteps=$adjdiff/$majstep; |
---|
2323 | while( $numsteps>$maxsteps ) { |
---|
2324 | $majstep=pow(10,$ld)/$a; |
---|
2325 | $numsteps=$adjdiff/$majstep; |
---|
2326 | ++$ld; |
---|
2327 | } |
---|
2328 | |
---|
2329 | $minstep=$majstep/$b; |
---|
2330 | $adjmin=floor($min/$minstep)*$minstep; |
---|
2331 | $adjdiff = $adjmax-$adjmin; |
---|
2332 | if( $majend ) { |
---|
2333 | $adjmin = floor($min/$majstep)*$majstep; |
---|
2334 | $adjdiff = $adjmax-$adjmin; |
---|
2335 | $adjmax = ceil($adjdiff/$majstep)*$majstep+$adjmin; |
---|
2336 | } |
---|
2337 | else |
---|
2338 | $adjmax=ceil($max/$minstep)*$minstep; |
---|
2339 | |
---|
2340 | return array($numsteps,$adjmin,$adjmax,$minstep,$majstep); |
---|
2341 | } |
---|
2342 | |
---|
2343 | function IntCalcTicks($maxsteps,$min,$max,$a,$majend=true) { |
---|
2344 | $diff=$max-$min; |
---|
2345 | if( $diff==0 ) |
---|
2346 | $ld=0; |
---|
2347 | else |
---|
2348 | $ld=floor(log10($diff)); |
---|
2349 | |
---|
2350 | // Gravitate min towards zero if we are close |
---|
2351 | if( $min>0 && $min < pow(10,$ld) ) $min=0; |
---|
2352 | |
---|
2353 | $majstep=pow(10,$ld-1)/$a; |
---|
2354 | $adjmax=ceil($max/$majstep)*$majstep; |
---|
2355 | $adjmin=floor($min/$majstep)*$majstep; |
---|
2356 | $adjdiff = $adjmax-$adjmin; |
---|
2357 | $numsteps=$adjdiff/$majstep; |
---|
2358 | while( $numsteps>$maxsteps ) { |
---|
2359 | $majstep=pow(10,$ld)/$a; |
---|
2360 | $numsteps=$adjdiff/$majstep; |
---|
2361 | ++$ld; |
---|
2362 | } |
---|
2363 | |
---|
2364 | $adjmin=floor($min/$majstep)*$majstep; |
---|
2365 | $adjdiff = $adjmax-$adjmin; |
---|
2366 | if( $majend ) { |
---|
2367 | $adjmin = floor($min/$majstep)*$majstep; |
---|
2368 | $adjdiff = $adjmax-$adjmin; |
---|
2369 | $adjmax = ceil($adjdiff/$majstep)*$majstep+$adjmin; |
---|
2370 | } |
---|
2371 | else |
---|
2372 | $adjmax=ceil($max/$majstep)*$majstep; |
---|
2373 | |
---|
2374 | return array($numsteps,$adjmin,$adjmax,$majstep); |
---|
2375 | } |
---|
2376 | |
---|
2377 | |
---|
2378 | |
---|
2379 | // Determine the minimum of three values witha weight for last value |
---|
2380 | function MatchMin3($a,$b,$c,$weight) { |
---|
2381 | if( $a < $b ) { |
---|
2382 | if( $a < ($c*$weight) ) |
---|
2383 | return 1; // $a smallest |
---|
2384 | else |
---|
2385 | return 3; // $c smallest |
---|
2386 | } |
---|
2387 | elseif( $b < ($c*$weight) ) |
---|
2388 | return 2; // $b smallest |
---|
2389 | return 3; // $c smallest |
---|
2390 | } |
---|
2391 | } // Class |
---|
2392 | |
---|
2393 | //=================================================== |
---|
2394 | // CLASS RGB |
---|
2395 | // Description: Color definitions as RGB triples |
---|
2396 | //=================================================== |
---|
2397 | class RGB { |
---|
2398 | var $rgb_table; |
---|
2399 | var $img; |
---|
2400 | function RGB(&$aImg) { |
---|
2401 | $this->img = $aImg; |
---|
2402 | |
---|
2403 | // Conversion array between color names and RGB |
---|
2404 | $this->rgb_table = array( |
---|
2405 | "aqua"=> array(0,255,255), |
---|
2406 | "lime"=> array(0,255,0), |
---|
2407 | "teal"=> array(0,128,128), |
---|
2408 | "whitesmoke"=>array(245,245,245), |
---|
2409 | "gainsboro"=>array(220,220,220), |
---|
2410 | "oldlace"=>array(253,245,230), |
---|
2411 | "linen"=>array(250,240,230), |
---|
2412 | "antiquewhite"=>array(250,235,215), |
---|
2413 | "papayawhip"=>array(255,239,213), |
---|
2414 | "blanchedalmond"=>array(255,235,205), |
---|
2415 | "bisque"=>array(255,228,196), |
---|
2416 | "peachpuff"=>array(255,218,185), |
---|
2417 | "navajowhite"=>array(255,222,173), |
---|
2418 | "moccasin"=>array(255,228,181), |
---|
2419 | "cornsilk"=>array(255,248,220), |
---|
2420 | "ivory"=>array(255,255,240), |
---|
2421 | "lemonchiffon"=>array(255,250,205), |
---|
2422 | "seashell"=>array(255,245,238), |
---|
2423 | "mintcream"=>array(245,255,250), |
---|
2424 | "azure"=>array(240,255,255), |
---|
2425 | "aliceblue"=>array(240,248,255), |
---|
2426 | "lavender"=>array(230,230,250), |
---|
2427 | "lavenderblush"=>array(255,240,245), |
---|
2428 | "mistyrose"=>array(255,228,225), |
---|
2429 | "white"=>array(255,255,255), |
---|
2430 | "black"=>array(0,0,0), |
---|
2431 | "darkslategray"=>array(47,79,79), |
---|
2432 | "dimgray"=>array(105,105,105), |
---|
2433 | "slategray"=>array(112,128,144), |
---|
2434 | "lightslategray"=>array(119,136,153), |
---|
2435 | "gray"=>array(190,190,190), |
---|
2436 | "lightgray"=>array(211,211,211), |
---|
2437 | "midnightblue"=>array(25,25,112), |
---|
2438 | "navy"=>array(0,0,128), |
---|
2439 | "cornflowerblue"=>array(100,149,237), |
---|
2440 | "darkslateblue"=>array(72,61,139), |
---|
2441 | "slateblue"=>array(106,90,205), |
---|
2442 | "mediumslateblue"=>array(123,104,238), |
---|
2443 | "lightslateblue"=>array(132,112,255), |
---|
2444 | "mediumblue"=>array(0,0,205), |
---|
2445 | "royalblue"=>array(65,105,225), |
---|
2446 | "blue"=>array(0,0,255), |
---|
2447 | "dodgerblue"=>array(30,144,255), |
---|
2448 | "deepskyblue"=>array(0,191,255), |
---|
2449 | "skyblue"=>array(135,206,235), |
---|
2450 | "lightskyblue"=>array(135,206,250), |
---|
2451 | "steelblue"=>array(70,130,180), |
---|
2452 | "lightred"=>array(211,167,168), |
---|
2453 | "lightsteelblue"=>array(176,196,222), |
---|
2454 | "lightblue"=>array(173,216,230), |
---|
2455 | "powderblue"=>array(176,224,230), |
---|
2456 | "paleturquoise"=>array(175,238,238), |
---|
2457 | "darkturquoise"=>array(0,206,209), |
---|
2458 | "mediumturquoise"=>array(72,209,204), |
---|
2459 | "turquoise"=>array(64,224,208), |
---|
2460 | "cyan"=>array(0,255,255), |
---|
2461 | "lightcyan"=>array(224,255,255), |
---|
2462 | "cadetblue"=>array(95,158,160), |
---|
2463 | "mediumaquamarine"=>array(102,205,170), |
---|
2464 | "aquamarine"=>array(127,255,212), |
---|
2465 | "darkgreen"=>array(0,100,0), |
---|
2466 | "darkolivegreen"=>array(85,107,47), |
---|
2467 | "darkseagreen"=>array(143,188,143), |
---|
2468 | "seagreen"=>array(46,139,87), |
---|
2469 | "mediumseagreen"=>array(60,179,113), |
---|
2470 | "lightseagreen"=>array(32,178,170), |
---|
2471 | "palegreen"=>array(152,251,152), |
---|
2472 | "springgreen"=>array(0,255,127), |
---|
2473 | "lawngreen"=>array(124,252,0), |
---|
2474 | "green"=>array(0,255,0), |
---|
2475 | "chartreuse"=>array(127,255,0), |
---|
2476 | "mediumspringgreen"=>array(0,250,154), |
---|
2477 | "greenyellow"=>array(173,255,47), |
---|
2478 | "limegreen"=>array(50,205,50), |
---|
2479 | "yellowgreen"=>array(154,205,50), |
---|
2480 | "forestgreen"=>array(34,139,34), |
---|
2481 | "olivedrab"=>array(107,142,35), |
---|
2482 | "darkkhaki"=>array(189,183,107), |
---|
2483 | "khaki"=>array(240,230,140), |
---|
2484 | "palegoldenrod"=>array(238,232,170), |
---|
2485 | "lightgoldenrodyellow"=>array(250,250,210), |
---|
2486 | "lightyellow"=>array(255,255,200), |
---|
2487 | "yellow"=>array(255,255,0), |
---|
2488 | "gold"=>array(255,215,0), |
---|
2489 | "lightgoldenrod"=>array(238,221,130), |
---|
2490 | "goldenrod"=>array(218,165,32), |
---|
2491 | "darkgoldenrod"=>array(184,134,11), |
---|
2492 | "rosybrown"=>array(188,143,143), |
---|
2493 | "indianred"=>array(205,92,92), |
---|
2494 | "saddlebrown"=>array(139,69,19), |
---|
2495 | "sienna"=>array(160,82,45), |
---|
2496 | "peru"=>array(205,133,63), |
---|
2497 | "burlywood"=>array(222,184,135), |
---|
2498 | "beige"=>array(245,245,220), |
---|
2499 | "wheat"=>array(245,222,179), |
---|
2500 | "sandybrown"=>array(244,164,96), |
---|
2501 | "tan"=>array(210,180,140), |
---|
2502 | "chocolate"=>array(210,105,30), |
---|
2503 | "firebrick"=>array(178,34,34), |
---|
2504 | "brown"=>array(165,42,42), |
---|
2505 | "darksalmon"=>array(233,150,122), |
---|
2506 | "salmon"=>array(250,128,114), |
---|
2507 | "lightsalmon"=>array(255,160,122), |
---|
2508 | "orange"=>array(255,165,0), |
---|
2509 | "darkorange"=>array(255,140,0), |
---|
2510 | "coral"=>array(255,127,80), |
---|
2511 | "lightcoral"=>array(240,128,128), |
---|
2512 | "tomato"=>array(255,99,71), |
---|
2513 | "orangered"=>array(255,69,0), |
---|
2514 | "red"=>array(255,0,0), |
---|
2515 | "hotpink"=>array(255,105,180), |
---|
2516 | "deeppink"=>array(255,20,147), |
---|
2517 | "pink"=>array(255,192,203), |
---|
2518 | "lightpink"=>array(255,182,193), |
---|
2519 | "palevioletred"=>array(219,112,147), |
---|
2520 | "maroon"=>array(176,48,96), |
---|
2521 | "mediumvioletred"=>array(199,21,133), |
---|
2522 | "violetred"=>array(208,32,144), |
---|
2523 | "magenta"=>array(255,0,255), |
---|
2524 | "violet"=>array(238,130,238), |
---|
2525 | "plum"=>array(221,160,221), |
---|
2526 | "orchid"=>array(218,112,214), |
---|
2527 | "mediumorchid"=>array(186,85,211), |
---|
2528 | "darkorchid"=>array(153,50,204), |
---|
2529 | "darkviolet"=>array(148,0,211), |
---|
2530 | "blueviolet"=>array(138,43,226), |
---|
2531 | "purple"=>array(160,32,240), |
---|
2532 | "mediumpurple"=>array(147,112,219), |
---|
2533 | "thistle"=>array(216,191,216), |
---|
2534 | "snow1"=>array(255,250,250), |
---|
2535 | "snow2"=>array(238,233,233), |
---|
2536 | "snow3"=>array(205,201,201), |
---|
2537 | "snow4"=>array(139,137,137), |
---|
2538 | "seashell1"=>array(255,245,238), |
---|
2539 | "seashell2"=>array(238,229,222), |
---|
2540 | "seashell3"=>array(205,197,191), |
---|
2541 | "seashell4"=>array(139,134,130), |
---|
2542 | "AntiqueWhite1"=>array(255,239,219), |
---|
2543 | "AntiqueWhite2"=>array(238,223,204), |
---|
2544 | "AntiqueWhite3"=>array(205,192,176), |
---|
2545 | "AntiqueWhite4"=>array(139,131,120), |
---|
2546 | "bisque1"=>array(255,228,196), |
---|
2547 | "bisque2"=>array(238,213,183), |
---|
2548 | "bisque3"=>array(205,183,158), |
---|
2549 | "bisque4"=>array(139,125,107), |
---|
2550 | "peachPuff1"=>array(255,218,185), |
---|
2551 | "peachpuff2"=>array(238,203,173), |
---|
2552 | "peachpuff3"=>array(205,175,149), |
---|
2553 | "peachpuff4"=>array(139,119,101), |
---|
2554 | "navajowhite1"=>array(255,222,173), |
---|
2555 | "navajowhite2"=>array(238,207,161), |
---|
2556 | "navajowhite3"=>array(205,179,139), |
---|
2557 | "navajowhite4"=>array(139,121,94), |
---|
2558 | "lemonchiffon1"=>array(255,250,205), |
---|
2559 | "lemonchiffon2"=>array(238,233,191), |
---|
2560 | "lemonchiffon3"=>array(205,201,165), |
---|
2561 | "lemonchiffon4"=>array(139,137,112), |
---|
2562 | "ivory1"=>array(255,255,240), |
---|
2563 | "ivory2"=>array(238,238,224), |
---|
2564 | "ivory3"=>array(205,205,193), |
---|
2565 | "ivory4"=>array(139,139,131), |
---|
2566 | "honeydew"=>array(193,205,193), |
---|
2567 | "lavenderblush1"=>array(255,240,245), |
---|
2568 | "lavenderblush2"=>array(238,224,229), |
---|
2569 | "lavenderblush3"=>array(205,193,197), |
---|
2570 | "lavenderblush4"=>array(139,131,134), |
---|
2571 | "mistyrose1"=>array(255,228,225), |
---|
2572 | "mistyrose2"=>array(238,213,210), |
---|
2573 | "mistyrose3"=>array(205,183,181), |
---|
2574 | "mistyrose4"=>array(139,125,123), |
---|
2575 | "azure1"=>array(240,255,255), |
---|
2576 | "azure2"=>array(224,238,238), |
---|
2577 | "azure3"=>array(193,205,205), |
---|
2578 | "azure4"=>array(131,139,139), |
---|
2579 | "slateblue1"=>array(131,111,255), |
---|
2580 | "slateblue2"=>array(122,103,238), |
---|
2581 | "slateblue3"=>array(105,89,205), |
---|
2582 | "slateblue4"=>array(71,60,139), |
---|
2583 | "royalblue1"=>array(72,118,255), |
---|
2584 | "royalblue2"=>array(67,110,238), |
---|
2585 | "royalblue3"=>array(58,95,205), |
---|
2586 | "royalblue4"=>array(39,64,139), |
---|
2587 | "dodgerblue1"=>array(30,144,255), |
---|
2588 | "dodgerblue2"=>array(28,134,238), |
---|
2589 | "dodgerblue3"=>array(24,116,205), |
---|
2590 | "dodgerblue4"=>array(16,78,139), |
---|
2591 | "steelblue1"=>array(99,184,255), |
---|
2592 | "steelblue2"=>array(92,172,238), |
---|
2593 | "steelblue3"=>array(79,148,205), |
---|
2594 | "steelblue4"=>array(54,100,139), |
---|
2595 | "deepskyblue1"=>array(0,191,255), |
---|
2596 | "deepskyblue2"=>array(0,178,238), |
---|
2597 | "deepskyblue3"=>array(0,154,205), |
---|
2598 | "deepskyblue4"=>array(0,104,139), |
---|
2599 | "skyblue1"=>array(135,206,255), |
---|
2600 | "skyblue2"=>array(126,192,238), |
---|
2601 | "skyblue3"=>array(108,166,205), |
---|
2602 | "skyblue4"=>array(74,112,139), |
---|
2603 | "lightskyblue1"=>array(176,226,255), |
---|
2604 | "lightskyblue2"=>array(164,211,238), |
---|
2605 | "lightskyblue3"=>array(141,182,205), |
---|
2606 | "lightskyblue4"=>array(96,123,139), |
---|
2607 | "slategray1"=>array(198,226,255), |
---|
2608 | "slategray2"=>array(185,211,238), |
---|
2609 | "slategray3"=>array(159,182,205), |
---|
2610 | "slategray4"=>array(108,123,139), |
---|
2611 | "lightsteelblue1"=>array(202,225,255), |
---|
2612 | "lightsteelblue2"=>array(188,210,238), |
---|
2613 | "lightsteelblue3"=>array(162,181,205), |
---|
2614 | "lightsteelblue4"=>array(110,123,139), |
---|
2615 | "lightblue1"=>array(191,239,255), |
---|
2616 | "lightblue2"=>array(178,223,238), |
---|
2617 | "lightblue3"=>array(154,192,205), |
---|
2618 | "lightblue4"=>array(104,131,139), |
---|
2619 | "lightcyan1"=>array(224,255,255), |
---|
2620 | "lightcyan2"=>array(209,238,238), |
---|
2621 | "lightcyan3"=>array(180,205,205), |
---|
2622 | "lightcyan4"=>array(122,139,139), |
---|
2623 | "paleturquoise1"=>array(187,255,255), |
---|
2624 | "paleturquoise2"=>array(174,238,238), |
---|
2625 | "paleturquoise3"=>array(150,205,205), |
---|
2626 | "paleturquoise4"=>array(102,139,139), |
---|
2627 | "cadetblue1"=>array(152,245,255), |
---|
2628 | "cadetblue2"=>array(142,229,238), |
---|
2629 | "cadetblue3"=>array(122,197,205), |
---|
2630 | "cadetblue4"=>array(83,134,139), |
---|
2631 | "turquoise1"=>array(0,245,255), |
---|
2632 | "turquoise2"=>array(0,229,238), |
---|
2633 | "turquoise3"=>array(0,197,205), |
---|
2634 | "turquoise4"=>array(0,134,139), |
---|
2635 | "cyan1"=>array(0,255,255), |
---|
2636 | "cyan2"=>array(0,238,238), |
---|
2637 | "cyan3"=>array(0,205,205), |
---|
2638 | "cyan4"=>array(0,139,139), |
---|
2639 | "darkslategray1"=>array(151,255,255), |
---|
2640 | "darkslategray2"=>array(141,238,238), |
---|
2641 | "darkslategray3"=>array(121,205,205), |
---|
2642 | "darkslategray4"=>array(82,139,139), |
---|
2643 | "aquamarine1"=>array(127,255,212), |
---|
2644 | "aquamarine2"=>array(118,238,198), |
---|
2645 | "aquamarine3"=>array(102,205,170), |
---|
2646 | "aquamarine4"=>array(69,139,116), |
---|
2647 | "darkseagreen1"=>array(193,255,193), |
---|
2648 | "darkseagreen2"=>array(180,238,180), |
---|
2649 | "darkseagreen3"=>array(155,205,155), |
---|
2650 | "darkseagreen4"=>array(105,139,105), |
---|
2651 | "seagreen1"=>array(84,255,159), |
---|
2652 | "seagreen2"=>array(78,238,148), |
---|
2653 | "seagreen3"=>array(67,205,128), |
---|
2654 | "seagreen4"=>array(46,139,87), |
---|
2655 | "palegreen1"=>array(154,255,154), |
---|
2656 | "palegreen2"=>array(144,238,144), |
---|
2657 | "palegreen3"=>array(124,205,124), |
---|
2658 | "palegreen4"=>array(84,139,84), |
---|
2659 | "springgreen1"=>array(0,255,127), |
---|
2660 | "springgreen2"=>array(0,238,118), |
---|
2661 | "springgreen3"=>array(0,205,102), |
---|
2662 | "springgreen4"=>array(0,139,69), |
---|
2663 | "chartreuse1"=>array(127,255,0), |
---|
2664 | "chartreuse2"=>array(118,238,0), |
---|
2665 | "chartreuse3"=>array(102,205,0), |
---|
2666 | "chartreuse4"=>array(69,139,0), |
---|
2667 | "olivedrab1"=>array(192,255,62), |
---|
2668 | "olivedrab2"=>array(179,238,58), |
---|
2669 | "olivedrab3"=>array(154,205,50), |
---|
2670 | "olivedrab4"=>array(105,139,34), |
---|
2671 | "darkolivegreen1"=>array(202,255,112), |
---|
2672 | "darkolivegreen2"=>array(188,238,104), |
---|
2673 | "darkolivegreen3"=>array(162,205,90), |
---|
2674 | "darkolivegreen4"=>array(110,139,61), |
---|
2675 | "khaki1"=>array(255,246,143), |
---|
2676 | "khaki2"=>array(238,230,133), |
---|
2677 | "khaki3"=>array(205,198,115), |
---|
2678 | "khaki4"=>array(139,134,78), |
---|
2679 | "lightgoldenrod1"=>array(255,236,139), |
---|
2680 | "lightgoldenrod2"=>array(238,220,130), |
---|
2681 | "lightgoldenrod3"=>array(205,190,112), |
---|
2682 | "lightgoldenrod4"=>array(139,129,76), |
---|
2683 | "yellow1"=>array(255,255,0), |
---|
2684 | "yellow2"=>array(238,238,0), |
---|
2685 | "yellow3"=>array(205,205,0), |
---|
2686 | "yellow4"=>array(139,139,0), |
---|
2687 | "gold1"=>array(255,215,0), |
---|
2688 | "gold2"=>array(238,201,0), |
---|
2689 | "gold3"=>array(205,173,0), |
---|
2690 | "gold4"=>array(139,117,0), |
---|
2691 | "goldenrod1"=>array(255,193,37), |
---|
2692 | "goldenrod2"=>array(238,180,34), |
---|
2693 | "goldenrod3"=>array(205,155,29), |
---|
2694 | "goldenrod4"=>array(139,105,20), |
---|
2695 | "darkgoldenrod1"=>array(255,185,15), |
---|
2696 | "darkgoldenrod2"=>array(238,173,14), |
---|
2697 | "darkgoldenrod3"=>array(205,149,12), |
---|
2698 | "darkgoldenrod4"=>array(139,101,8), |
---|
2699 | "rosybrown1"=>array(255,193,193), |
---|
2700 | "rosybrown2"=>array(238,180,180), |
---|
2701 | "rosybrown3"=>array(205,155,155), |
---|
2702 | "rosybrown4"=>array(139,105,105), |
---|
2703 | "indianred1"=>array(255,106,106), |
---|
2704 | "indianred2"=>array(238,99,99), |
---|
2705 | "indianred3"=>array(205,85,85), |
---|
2706 | "indianred4"=>array(139,58,58), |
---|
2707 | "sienna1"=>array(255,130,71), |
---|
2708 | "sienna2"=>array(238,121,66), |
---|
2709 | "sienna3"=>array(205,104,57), |
---|
2710 | "sienna4"=>array(139,71,38), |
---|
2711 | "burlywood1"=>array(255,211,155), |
---|
2712 | "burlywood2"=>array(238,197,145), |
---|
2713 | "burlywood3"=>array(205,170,125), |
---|
2714 | "burlywood4"=>array(139,115,85), |
---|
2715 | "wheat1"=>array(255,231,186), |
---|
2716 | "wheat2"=>array(238,216,174), |
---|
2717 | "wheat3"=>array(205,186,150), |
---|
2718 | "wheat4"=>array(139,126,102), |
---|
2719 | "tan1"=>array(255,165,79), |
---|
2720 | "tan2"=>array(238,154,73), |
---|
2721 | "tan3"=>array(205,133,63), |
---|
2722 | "tan4"=>array(139,90,43), |
---|
2723 | "chocolate1"=>array(255,127,36), |
---|
2724 | "chocolate2"=>array(238,118,33), |
---|
2725 | "chocolate3"=>array(205,102,29), |
---|
2726 | "chocolate4"=>array(139,69,19), |
---|
2727 | "firebrick1"=>array(255,48,48), |
---|
2728 | "firebrick2"=>array(238,44,44), |
---|
2729 | "firebrick3"=>array(205,38,38), |
---|
2730 | "firebrick4"=>array(139,26,26), |
---|
2731 | "brown1"=>array(255,64,64), |
---|
2732 | "brown2"=>array(238,59,59), |
---|
2733 | "brown3"=>array(205,51,51), |
---|
2734 | "brown4"=>array(139,35,35), |
---|
2735 | "salmon1"=>array(255,140,105), |
---|
2736 | "salmon2"=>array(238,130,98), |
---|
2737 | "salmon3"=>array(205,112,84), |
---|
2738 | "salmon4"=>array(139,76,57), |
---|
2739 | "lightsalmon1"=>array(255,160,122), |
---|
2740 | "lightsalmon2"=>array(238,149,114), |
---|
2741 | "lightsalmon3"=>array(205,129,98), |
---|
2742 | "lightsalmon4"=>array(139,87,66), |
---|
2743 | "orange1"=>array(255,165,0), |
---|
2744 | "orange2"=>array(238,154,0), |
---|
2745 | "orange3"=>array(205,133,0), |
---|
2746 | "orange4"=>array(139,90,0), |
---|
2747 | "darkorange1"=>array(255,127,0), |
---|
2748 | "darkorange2"=>array(238,118,0), |
---|
2749 | "darkorange3"=>array(205,102,0), |
---|
2750 | "darkorange4"=>array(139,69,0), |
---|
2751 | "coral1"=>array(255,114,86), |
---|
2752 | "coral2"=>array(238,106,80), |
---|
2753 | "coral3"=>array(205,91,69), |
---|
2754 | "coral4"=>array(139,62,47), |
---|
2755 | "tomato1"=>array(255,99,71), |
---|
2756 | "tomato2"=>array(238,92,66), |
---|
2757 | "tomato3"=>array(205,79,57), |
---|
2758 | "tomato4"=>array(139,54,38), |
---|
2759 | "orangered1"=>array(255,69,0), |
---|
2760 | "orangered2"=>array(238,64,0), |
---|
2761 | "orangered3"=>array(205,55,0), |
---|
2762 | "orangered4"=>array(139,37,0), |
---|
2763 | "deeppink1"=>array(255,20,147), |
---|
2764 | "deeppink2"=>array(238,18,137), |
---|
2765 | "deeppink3"=>array(205,16,118), |
---|
2766 | "deeppink4"=>array(139,10,80), |
---|
2767 | "hotpink1"=>array(255,110,180), |
---|
2768 | "hotpink2"=>array(238,106,167), |
---|
2769 | "hotpink3"=>array(205,96,144), |
---|
2770 | "hotpink4"=>array(139,58,98), |
---|
2771 | "pink1"=>array(255,181,197), |
---|
2772 | "pink2"=>array(238,169,184), |
---|
2773 | "pink3"=>array(205,145,158), |
---|
2774 | "pink4"=>array(139,99,108), |
---|
2775 | "lightpink1"=>array(255,174,185), |
---|
2776 | "lightpink2"=>array(238,162,173), |
---|
2777 | "lightpink3"=>array(205,140,149), |
---|
2778 | "lightpink4"=>array(139,95,101), |
---|
2779 | "palevioletred1"=>array(255,130,171), |
---|
2780 | "palevioletred2"=>array(238,121,159), |
---|
2781 | "palevioletred3"=>array(205,104,137), |
---|
2782 | "palevioletred4"=>array(139,71,93), |
---|
2783 | "maroon1"=>array(255,52,179), |
---|
2784 | "maroon2"=>array(238,48,167), |
---|
2785 | "maroon3"=>array(205,41,144), |
---|
2786 | "maroon4"=>array(139,28,98), |
---|
2787 | "violetred1"=>array(255,62,150), |
---|
2788 | "violetred2"=>array(238,58,140), |
---|
2789 | "violetred3"=>array(205,50,120), |
---|
2790 | "violetred4"=>array(139,34,82), |
---|
2791 | "magenta1"=>array(255,0,255), |
---|
2792 | "magenta2"=>array(238,0,238), |
---|
2793 | "magenta3"=>array(205,0,205), |
---|
2794 | "magenta4"=>array(139,0,139), |
---|
2795 | "mediumred"=>array(140,34,34), |
---|
2796 | "orchid1"=>array(255,131,250), |
---|
2797 | "orchid2"=>array(238,122,233), |
---|
2798 | "orchid3"=>array(205,105,201), |
---|
2799 | "orchid4"=>array(139,71,137), |
---|
2800 | "plum1"=>array(255,187,255), |
---|
2801 | "plum2"=>array(238,174,238), |
---|
2802 | "plum3"=>array(205,150,205), |
---|
2803 | "plum4"=>array(139,102,139), |
---|
2804 | "mediumorchid1"=>array(224,102,255), |
---|
2805 | "mediumorchid2"=>array(209,95,238), |
---|
2806 | "mediumorchid3"=>array(180,82,205), |
---|
2807 | "mediumorchid4"=>array(122,55,139), |
---|
2808 | "darkorchid1"=>array(191,62,255), |
---|
2809 | "darkorchid2"=>array(178,58,238), |
---|
2810 | "darkorchid3"=>array(154,50,205), |
---|
2811 | "darkorchid4"=>array(104,34,139), |
---|
2812 | "purple1"=>array(155,48,255), |
---|
2813 | "purple2"=>array(145,44,238), |
---|
2814 | "purple3"=>array(125,38,205), |
---|
2815 | "purple4"=>array(85,26,139), |
---|
2816 | "mediumpurple1"=>array(171,130,255), |
---|
2817 | "mediumpurple2"=>array(159,121,238), |
---|
2818 | "mediumpurple3"=>array(137,104,205), |
---|
2819 | "mediumpurple4"=>array(93,71,139), |
---|
2820 | "thistle1"=>array(255,225,255), |
---|
2821 | "thistle2"=>array(238,210,238), |
---|
2822 | "thistle3"=>array(205,181,205), |
---|
2823 | "thistle4"=>array(139,123,139), |
---|
2824 | "gray1"=>array(10,10,10), |
---|
2825 | "gray2"=>array(40,40,30), |
---|
2826 | "gray3"=>array(70,70,70), |
---|
2827 | "gray4"=>array(100,100,100), |
---|
2828 | "gray5"=>array(130,130,130), |
---|
2829 | "gray6"=>array(160,160,160), |
---|
2830 | "gray7"=>array(190,190,190), |
---|
2831 | "gray8"=>array(210,210,210), |
---|
2832 | "gray9"=>array(240,240,240), |
---|
2833 | "darkgray"=>array(100,100,100), |
---|
2834 | "darkblue"=>array(0,0,139), |
---|
2835 | "darkcyan"=>array(0,139,139), |
---|
2836 | "darkmagenta"=>array(139,0,139), |
---|
2837 | "darkred"=>array(139,0,0), |
---|
2838 | "silver"=>array(192, 192, 192), |
---|
2839 | "eggplant"=>array(144,176,168), |
---|
2840 | "lightgreen"=>array(144,238,144)); |
---|
2841 | } |
---|
2842 | //---------------- |
---|
2843 | // PUBLIC METHODS |
---|
2844 | // Colors can be specified as either |
---|
2845 | // 1. #xxxxxx HTML style |
---|
2846 | // 2. "colorname" as a named color |
---|
2847 | // 3. array(r,g,b) RGB triple |
---|
2848 | // This function translates this to a native RGB format and returns an |
---|
2849 | // RGB triple. |
---|
2850 | function Color($aColor) { |
---|
2851 | if (is_string($aColor)) { |
---|
2852 | |
---|
2853 | // Extract potential adjustment figure at end of color |
---|
2854 | // specification |
---|
2855 | $aColor = strtok($aColor,":"); |
---|
2856 | $adj = 0+strtok(":"); |
---|
2857 | if( $adj==0 ) $adj=1; |
---|
2858 | if (substr($aColor, 0, 1) == "#") { |
---|
2859 | return array($adj*hexdec(substr($aColor, 1, 2)), |
---|
2860 | $adj*hexdec(substr($aColor, 3, 2)), |
---|
2861 | $adj*hexdec(substr($aColor, 5, 2))); |
---|
2862 | } else { |
---|
2863 | if(!isset($this->rgb_table[$aColor]) ) |
---|
2864 | JpGraphError::Raise("<b>JpGraph Error:</b> Unknown color: <strong>$aColor</strong>"); |
---|
2865 | $tmp=$this->rgb_table[$aColor]; |
---|
2866 | return array($adj*$tmp[0],$adj*$tmp[1],$adj*$tmp[2]); |
---|
2867 | } |
---|
2868 | } elseif( is_array($aColor) && (count($aColor)==3) ) { |
---|
2869 | return $aColor; |
---|
2870 | } |
---|
2871 | else |
---|
2872 | JpGraphError::Raise("<b>JpGraph Error:</b> Unknown color specification: $aColor , size=".count($aColor)); |
---|
2873 | } |
---|
2874 | |
---|
2875 | // Compare two colors |
---|
2876 | // return true if equal |
---|
2877 | function Equal($aCol1,$aCol2) { |
---|
2878 | $c1 = $this->Color($aCol1); |
---|
2879 | $c2 = $this->Color($aCol2); |
---|
2880 | if( $c1[0]==$c2[0] && $c1[1]==$c2[1] && $c1[2]==$c2[2] ) |
---|
2881 | return true; |
---|
2882 | else |
---|
2883 | return false; |
---|
2884 | } |
---|
2885 | |
---|
2886 | // Allocate a new color in the current image |
---|
2887 | // Return new color index, -1 if no more colors could be allocated |
---|
2888 | function Allocate($aColor) { |
---|
2889 | list ($r, $g, $b) = $this->color($aColor); |
---|
2890 | if($GLOBALS['gd2']==true) { |
---|
2891 | return imagecolorresolvealpha($this->img, $r, $g, $b, 0); |
---|
2892 | } else { |
---|
2893 | $index = imagecolorexact($this->img, $r, $g, $b); |
---|
2894 | if ($index == -1) { |
---|
2895 | $index = imagecolorallocate($this->img, $r, $g, $b); |
---|
2896 | if( USE_APPROX_COLORS && $index == -1 ) |
---|
2897 | $index = imagecolorresolve($this->img, $r, $g, $b); |
---|
2898 | } |
---|
2899 | return $index; |
---|
2900 | } |
---|
2901 | } |
---|
2902 | } // Class |
---|
2903 | |
---|
2904 | |
---|
2905 | //=================================================== |
---|
2906 | // CLASS Image |
---|
2907 | // Description: Wrapper class with some goodies to form the |
---|
2908 | // Interface to low level image drawing routines. |
---|
2909 | //=================================================== |
---|
2910 | class Image { |
---|
2911 | var $img_format; |
---|
2912 | var $expired=false; |
---|
2913 | var $img; |
---|
2914 | var $left_margin=30,$right_margin=30,$top_margin=20,$bottom_margin=30; |
---|
2915 | var $plotwidth,$plotheight; |
---|
2916 | var $rgb; |
---|
2917 | var $current_color,$current_color_name; |
---|
2918 | var $lastx=0, $lasty=0; |
---|
2919 | var $width, $height; |
---|
2920 | var $line_weight=1; |
---|
2921 | var $line_style=1; // Default line style is solid |
---|
2922 | var $obs_list=array(); |
---|
2923 | var $font_size=12,$font_family=FF_FONT1, $font_style=FS_NORMAL; |
---|
2924 | var $text_halign="left",$text_valign="bottom"; |
---|
2925 | var $ttf=null; |
---|
2926 | var $use_anti_aliasing=false; |
---|
2927 | var $quality=null; |
---|
2928 | var $colorstack=array(),$colorstackidx=0; |
---|
2929 | //--------------- |
---|
2930 | // CONSTRUCTOR |
---|
2931 | function Image($aWidth,$aHeight,$aFormat=DEFAULT_GFORMAT) { |
---|
2932 | $this->CreateImgCanvas($aWidth,$aHeight); |
---|
2933 | if( !$this->SetImgFormat($aFormat) ) { |
---|
2934 | JpGraphError::Raise("JpGraph: Selected graphic format is either not supported or unknown [$aFormat]"); |
---|
2935 | } |
---|
2936 | $this->ttf = new TTF(); |
---|
2937 | } |
---|
2938 | |
---|
2939 | function SetAutoMargin() { |
---|
2940 | $min_bm=10; |
---|
2941 | if( BRAND_TIMING ) |
---|
2942 | $min_bm=15; |
---|
2943 | $lm = max(12,$this->width/7); |
---|
2944 | $rm = max(12,$this->width/10); |
---|
2945 | $tm = max(24,$this->height/7); |
---|
2946 | $bm = max($min_bm,$this->height/7); |
---|
2947 | $this->SetMargin($lm,$rm,$tm,$bm); |
---|
2948 | } |
---|
2949 | |
---|
2950 | function CreateImgCanvas($aWidth=-1,$aHeight=-1) { |
---|
2951 | $this->width=$aWidth; |
---|
2952 | $this->height=$aHeight; |
---|
2953 | |
---|
2954 | $this->SetAutoMargin(); |
---|
2955 | |
---|
2956 | if( $aWidth==-1 || $aHeight==-1 ) { |
---|
2957 | // We will set the final size later. |
---|
2958 | // Note: The size must be specified before any other |
---|
2959 | // img routines that stroke anything are called. |
---|
2960 | $this->img = null; |
---|
2961 | $this->rgb = null; |
---|
2962 | return; |
---|
2963 | } |
---|
2964 | |
---|
2965 | if( $GLOBALS['gd2']==true && USE_TRUECOLOR ) { |
---|
2966 | $this->img = imagecreatetruecolor($aWidth, $aHeight); |
---|
2967 | imagefilledrectangle($this->img, 0, 0, $aWidth, $aHeight, 0xffffff); |
---|
2968 | } else { |
---|
2969 | $this->img = imagecreate($aWidth, $aHeight); |
---|
2970 | } |
---|
2971 | assert($this->img != 0); |
---|
2972 | $this->rgb = new RGB($this->img); |
---|
2973 | |
---|
2974 | // First index is background so this will be white |
---|
2975 | $this->SetColor("white"); |
---|
2976 | } |
---|
2977 | |
---|
2978 | |
---|
2979 | //--------------- |
---|
2980 | // PUBLIC METHODS |
---|
2981 | |
---|
2982 | // Add observer. The observer will be notified when |
---|
2983 | // the margin changes |
---|
2984 | function AddObserver($aMethod,&$aObject) { |
---|
2985 | $this->obs_list[]=array($aMethod,&$aObject); |
---|
2986 | } |
---|
2987 | |
---|
2988 | // Call all observers |
---|
2989 | function NotifyObservers() { |
---|
2990 | // foreach($this->obs_list as $o) |
---|
2991 | // $o[1]->$o[0]($this); |
---|
2992 | for($i=0; $i < count($this->obs_list); ++$i) { |
---|
2993 | $obj = & $this->obs_list[$i][1]; |
---|
2994 | $method = $this->obs_list[$i][0]; |
---|
2995 | $obj->$method($this); |
---|
2996 | } |
---|
2997 | } |
---|
2998 | |
---|
2999 | function SetFont($family,$style=FS_NORMAL,$size=10) { |
---|
3000 | if($family==FONT1_BOLD || $family==FONT2_BOLD || $family==FONT0 || $family==FONT1 || $family==FONT2 ) |
---|
3001 | JpGraphError::Raise("<b>JpGraph Error:</b> Usage of FONT0, FONT1, FONT2 is deprecated. Use FF_xxx instead."); |
---|
3002 | |
---|
3003 | $this->font_family=$family; |
---|
3004 | $this->font_style=$style; |
---|
3005 | $this->font_size=$size; |
---|
3006 | if( ($this->font_family==FF_FONT1 || $this->font_family==FF_FONT2) && $this->font_style==FS_BOLD ){ |
---|
3007 | ++$this->font_family; |
---|
3008 | } |
---|
3009 | } |
---|
3010 | |
---|
3011 | // Get the specific height for a text string |
---|
3012 | function GetTextHeight($txt="",$angle=0) { |
---|
3013 | // Builtin font? |
---|
3014 | $tmp = split("\n",$txt); |
---|
3015 | $n = count($tmp); |
---|
3016 | $m=0; |
---|
3017 | for($i=0; $i<count($tmp); ++$i) |
---|
3018 | $m = max($m,strlen($tmp[$i])); |
---|
3019 | |
---|
3020 | if( $this->font_family <= FF_FONT2+1 ) { |
---|
3021 | if( $angle==0 ) |
---|
3022 | return $n*imagefontheight($this->font_family); |
---|
3023 | else |
---|
3024 | return $m*imagefontwidth($this->font_family); |
---|
3025 | } |
---|
3026 | else { |
---|
3027 | $file = $this->ttf->File($this->font_family,$this->font_style); |
---|
3028 | $bbox = ImageTTFBBox($this->font_size,$angle,$file,"XXOOMM"/*$txt*/); |
---|
3029 | return $n*(abs($bbox[5])+abs($bbox[1])); // upper_right_y - lower_left_y |
---|
3030 | } |
---|
3031 | } |
---|
3032 | |
---|
3033 | // Estimate font height |
---|
3034 | function GetFontHeight($txt="XMg",$angle=0) { |
---|
3035 | $tmp = split("\n",$txt); |
---|
3036 | return $this->GetTextHeight($tmp[0],$angle); |
---|
3037 | } |
---|
3038 | |
---|
3039 | // Approximate font width with width of letter "O" |
---|
3040 | function GetFontWidth($txt="O",$angle=0) { |
---|
3041 | return $this->GetTextWidth($txt,$angle); |
---|
3042 | } |
---|
3043 | |
---|
3044 | // Get actual width of text in absolute pixels |
---|
3045 | function GetTextWidth($txt,$angle=0) { |
---|
3046 | // Builtin font? |
---|
3047 | $tmp = split("\n",$txt); |
---|
3048 | $n = count($tmp); |
---|
3049 | $m=0; |
---|
3050 | for($i=0; $i<count($tmp); ++$i) |
---|
3051 | $m = max($m,strlen($tmp[$i])); |
---|
3052 | |
---|
3053 | if( $this->font_family <= FF_FONT2+1 ) { |
---|
3054 | if( $angle==0 ) { |
---|
3055 | $width=$m*imagefontwidth($this->font_family); |
---|
3056 | return $width; |
---|
3057 | } |
---|
3058 | else |
---|
3059 | return $n*imagefontheight($this->font_family); // 90 degrees internal so height become width |
---|
3060 | } |
---|
3061 | else { |
---|
3062 | $file = $this->ttf->File($this->font_family,$this->font_style); |
---|
3063 | $bbox = ImageTTFBBox($this->font_size,$angle,$file,$txt); |
---|
3064 | return $n*(abs($bbox[2]-$bbox[6])); |
---|
3065 | } |
---|
3066 | } |
---|
3067 | |
---|
3068 | // Draw text with a box around it |
---|
3069 | function StrokeBoxedText($x,$y,$txt,$dir=0,$fcolor="white",$bcolor="black", |
---|
3070 | $shadow=false,$paragraph_align="left") { |
---|
3071 | |
---|
3072 | if( !is_numeric($dir) ) { |
---|
3073 | if( $dir=="h" ) $dir=0; |
---|
3074 | elseif( $dir=="v" ) $dir=90; |
---|
3075 | else JpGraphError::Raise("<b>JpGraph Error:</b> Unknown direction specified in call to StrokeBoxedText() [$dir]"); |
---|
3076 | } |
---|
3077 | |
---|
3078 | $width=$this->GetTextWidth($txt,$dir); |
---|
3079 | $height=$this->GetTextHeight($txt,$dir); |
---|
3080 | |
---|
3081 | if( $this->font_family<=FF_FONT2+1 ) { |
---|
3082 | $xmarg=3; |
---|
3083 | $ymarg=3; |
---|
3084 | } |
---|
3085 | else { |
---|
3086 | $xmarg=6; |
---|
3087 | $ymarg=6; |
---|
3088 | } |
---|
3089 | $height += 2*$ymarg; |
---|
3090 | $width += 2*$xmarg; |
---|
3091 | if( $this->text_halign=="right" ) $x -= $width; |
---|
3092 | elseif( $this->text_halign=="center" ) $x -= $width/2; |
---|
3093 | if( $this->text_valign=="bottom" ) $y -= $height; |
---|
3094 | elseif( $this->text_valign=="center" ) $y -= $height/2; |
---|
3095 | |
---|
3096 | if( $shadow ) { |
---|
3097 | $oc=$this->current_color; |
---|
3098 | $this->SetColor($bcolor); |
---|
3099 | $this->ShadowRectangle($x,$y,$x+$width+2,$y+$height+2,$fcolor,2); |
---|
3100 | $this->current_color=$oc; |
---|
3101 | } |
---|
3102 | else { |
---|
3103 | if( $fcolor ) { |
---|
3104 | $oc=$this->current_color; |
---|
3105 | $this->SetColor($fcolor); |
---|
3106 | $this->FilledRectangle($x,$y,$x+$width,$y+$height); |
---|
3107 | $this->current_color=$oc; |
---|
3108 | } |
---|
3109 | if( $bcolor ) { |
---|
3110 | $oc=$this->current_color; |
---|
3111 | $this->SetColor($bcolor); |
---|
3112 | $this->Rectangle($x,$y,$x+$width,$y+$height); |
---|
3113 | $this->current_color=$oc; |
---|
3114 | } |
---|
3115 | } |
---|
3116 | |
---|
3117 | $h=$this->text_halign; |
---|
3118 | $v=$this->text_valign; |
---|
3119 | $this->SetTextAlign("left","top"); |
---|
3120 | $this->StrokeText($x+$xmarg, $y+$ymarg, $txt, $dir, $paragraph_align); |
---|
3121 | $this->SetTextAlign($h,$v); |
---|
3122 | } |
---|
3123 | |
---|
3124 | // Set text alignment |
---|
3125 | function SetTextAlign($halign,$valign="bottom") { |
---|
3126 | $this->text_halign=$halign; |
---|
3127 | $this->text_valign=$valign; |
---|
3128 | } |
---|
3129 | |
---|
3130 | // Should we use anti-aliasing. Note: This really slows down graphics! |
---|
3131 | function SetAntiAliasing() { |
---|
3132 | $this->use_anti_aliasing=true; |
---|
3133 | } |
---|
3134 | |
---|
3135 | function StrokeText($x,$y,$txt,$dir=0,$paragraph_align) { |
---|
3136 | |
---|
3137 | // Do special language encoding |
---|
3138 | if( LANGUAGE_CYRILLIC ) |
---|
3139 | $txt = LanguageConv::ToCyrillic($txt); |
---|
3140 | |
---|
3141 | if( !is_numeric($dir) ) |
---|
3142 | JpGraphError::Raise("<b>JpGraph Error:</b> Direction for text most be given as an angle between 0 and 90."); |
---|
3143 | |
---|
3144 | if( $this->font_family >= FF_FONT0 && $this->font_family <= FF_FONT2+1) { // Internal font |
---|
3145 | if( is_numeric($dir) && $dir!=90 && $dir!=0) |
---|
3146 | JpGraphError::Raise("<b>JpGraph Error:</b> Internal font does not support drawing text at arbitrary angle. Use TTF fonts instead."); |
---|
3147 | |
---|
3148 | $h=$this->GetTextHeight($txt); |
---|
3149 | $fh=$this->GetFontHeight($txt); |
---|
3150 | $w=$this->GetTextWidth($txt); |
---|
3151 | |
---|
3152 | if( $this->text_halign=="right") |
---|
3153 | $x -= $dir==0 ? $w : $h; |
---|
3154 | elseif( $this->text_halign=="center" ) |
---|
3155 | $x -= $dir==0 ? $w/2 : $h/2; |
---|
3156 | |
---|
3157 | if( $this->text_valign=="top" ) |
---|
3158 | $y += $dir==0 ? $h : $w; |
---|
3159 | elseif( $this->text_valign=="center" ) |
---|
3160 | $y += $dir==0 ? $h/2 : $w/2; |
---|
3161 | |
---|
3162 | if( $dir==90 ) |
---|
3163 | imagestringup($this->img,$this->font_family,$x,$y,$txt,$this->current_color); |
---|
3164 | else { |
---|
3165 | if (ereg("\n",$txt)) { |
---|
3166 | $tmp = split("\n",$txt); |
---|
3167 | for($i=0; $i<count($tmp); ++$i) { |
---|
3168 | $w1 = $this->GetTextWidth($tmp[$i]); |
---|
3169 | if( $paragraph_align=="left" ) { |
---|
3170 | imagestring($this->img,$this->font_family,$x,$y-$h+1+$i*$fh,$tmp[$i],$this->current_color); |
---|
3171 | } |
---|
3172 | elseif( $paragraph_align=="right" ) { |
---|
3173 | imagestring($this->img,$this->font_family,$x+($w-$w1), |
---|
3174 | $y-$h+1+$i*$fh,$tmp[$i],$this->current_color); |
---|
3175 | } |
---|
3176 | else { |
---|
3177 | imagestring($this->img,$this->font_family,$x+$w/2-$w1/2, |
---|
3178 | $y-$h+1+$i*$fh,$tmp[$i],$this->current_color); |
---|
3179 | } |
---|
3180 | } |
---|
3181 | }else{ |
---|
3182 | //Put the text |
---|
3183 | imagestring($this->img,$this->font_family,$x,$y-$h+1,$txt,$this->current_color); |
---|
3184 | } |
---|
3185 | } |
---|
3186 | } |
---|
3187 | elseif($this->font_family >= FF_COURIER && $this->font_family <= FF_VERA) { // TTF font |
---|
3188 | $file = $this->ttf->File($this->font_family,$this->font_style); |
---|
3189 | $angle=$dir; |
---|
3190 | $bbox=ImageTTFBBox($this->font_size,$angle,$file,$txt); |
---|
3191 | if( $this->text_halign=="right" ) $x -= $bbox[2]-$bbox[0]; |
---|
3192 | elseif( $this->text_halign=="center" ) $x -= ($bbox[4]-$bbox[0])/2; |
---|
3193 | elseif( $this->text_halign=="topanchor" ) $x -= $bbox[4]-$bbox[0]; |
---|
3194 | elseif( $this->text_halign=="left" ) $x += -($bbox[6]-$bbox[0]); |
---|
3195 | |
---|
3196 | if( $this->text_valign=="top" ) $y -= $bbox[5]; |
---|
3197 | elseif( $this->text_valign=="center" ) $y -= ($bbox[5]-$bbox[1])/2; |
---|
3198 | elseif( $this->text_valign=="bottom" ) $y -= $bbox[1]; |
---|
3199 | |
---|
3200 | // Use lower left of bbox as fix-point, not the default baselinepoint. |
---|
3201 | $x -= $bbox[0]; |
---|
3202 | if($GLOBALS['gd2']) { |
---|
3203 | $old = ImageAlphaBlending($this->img, true); |
---|
3204 | } |
---|
3205 | ImageTTFText ($this->img, $this->font_size, $angle, $x, $y, |
---|
3206 | $this->current_color,$file,$txt); |
---|
3207 | if($GLOBALS['gd2']) { |
---|
3208 | ImageAlphaBlending($this->img, $old); |
---|
3209 | } |
---|
3210 | } |
---|
3211 | else |
---|
3212 | JpGraphError::Raise("<b>JpGraph Error:</b> Unknown font font family specification. "); |
---|
3213 | } |
---|
3214 | |
---|
3215 | function SetMargin($lm,$rm,$tm,$bm) { |
---|
3216 | $this->left_margin=$lm; |
---|
3217 | $this->right_margin=$rm; |
---|
3218 | $this->top_margin=$tm; |
---|
3219 | $this->bottom_margin=$bm; |
---|
3220 | $this->plotwidth=$this->width - $this->left_margin-$this->right_margin ; |
---|
3221 | $this->plotheight=$this->height - $this->top_margin-$this->bottom_margin ; |
---|
3222 | $this->NotifyObservers(); |
---|
3223 | } |
---|
3224 | |
---|
3225 | function SetTransparent($color) { |
---|
3226 | imagecolortransparent ($this->img,$this->rgb->allocate($color)); |
---|
3227 | } |
---|
3228 | |
---|
3229 | function SetColor($color) { |
---|
3230 | $this->current_color_name = $color; |
---|
3231 | $this->current_color=$this->rgb->allocate($color); |
---|
3232 | if( $this->current_color == -1 ) { |
---|
3233 | $tc=imagecolorstotal($this->img); |
---|
3234 | JpGraphError::Raise("<b><b>JpGraph Error:</b> Can't allocate any more colors.</b><br> |
---|
3235 | Image has already allocated maximum of <b>$tc colors</b>. |
---|
3236 | This might happen if you have anti-aliasing turned on |
---|
3237 | together with a background image or perhaps gradient fill |
---|
3238 | since this requires many, many colors. Try to turn off |
---|
3239 | anti-aliasing.<p> |
---|
3240 | If there is still a problem try downgrading the quality of |
---|
3241 | the background image to use a smaller pallete to leave some |
---|
3242 | entries for your graphs. You should try to limit the number |
---|
3243 | of colors in your background image to 64.<p> |
---|
3244 | If there is still problem set the constant |
---|
3245 | <pre> |
---|
3246 | DEFINE(\"USE_APPROX_COLORS\",true); |
---|
3247 | </pre> |
---|
3248 | in jpgraph.php This will use approximative colors |
---|
3249 | when the palette is full. |
---|
3250 | <p> |
---|
3251 | Unfortunately there is not much JpGraph can do about this |
---|
3252 | since the palette size is a limitation of current graphic format and |
---|
3253 | what the underlying GD library suppports."); |
---|
3254 | } |
---|
3255 | return $this->current_color; |
---|
3256 | } |
---|
3257 | |
---|
3258 | function PushColor($color) { |
---|
3259 | if( $color != "" ) { |
---|
3260 | $this->colorstack[$this->colorstackidx]=$this->current_color_name; |
---|
3261 | $this->colorstack[$this->colorstackidx+1]=$this->current_color; |
---|
3262 | $this->colorstackidx+=2; |
---|
3263 | $this->SetColor($color); |
---|
3264 | } |
---|
3265 | } |
---|
3266 | |
---|
3267 | function PopColor() { |
---|
3268 | if($this->colorstackidx<0) |
---|
3269 | JpGraphError::Raise("<b>JpGraph Error:</b> Negative Color stack index. Unmatched call to PopColor()"); |
---|
3270 | $this->current_color=$this->colorstack[--$this->colorstackidx]; |
---|
3271 | $this->current_color_name=$this->colorstack[--$this->colorstackidx]; |
---|
3272 | } |
---|
3273 | |
---|
3274 | |
---|
3275 | // Why this duplication? Because this way we can call this method |
---|
3276 | // for any image and not only the current objsct |
---|
3277 | function AdjSat($sat) { $this->_AdjSat($this->img,$sat); } |
---|
3278 | |
---|
3279 | function _AdjSat($img,$sat) { |
---|
3280 | $nbr = imagecolorstotal ($img); |
---|
3281 | for( $i=0; $i<$nbr; ++$i ) { |
---|
3282 | $colarr = imagecolorsforindex ($img,$i); |
---|
3283 | $rgb[0]=$colarr["red"]; |
---|
3284 | $rgb[1]=$colarr["green"]; |
---|
3285 | $rgb[2]=$colarr["blue"]; |
---|
3286 | $rgb = $this->AdjRGBSat($rgb,$sat); |
---|
3287 | imagecolorset ($img, $i, $rgb[0], $rgb[1], $rgb[2]); |
---|
3288 | } |
---|
3289 | } |
---|
3290 | |
---|
3291 | function AdjBrightContrast($bright,$contr=0) { |
---|
3292 | $this->_AdjBrightContrast($this->img,$bright,$contr); |
---|
3293 | } |
---|
3294 | function _AdjBrightContrast($img,$bright,$contr=0) { |
---|
3295 | if( $bright < -1 || $bright > 1 || $contr < -1 || $contr > 1 ) |
---|
3296 | JpGraphError::Raise("<b>JpGraph Error:</b> Parameters for brightness and Contrast out of range [-1,1]"); |
---|
3297 | $nbr = imagecolorstotal ($img); |
---|
3298 | for( $i=0; $i<$nbr; ++$i ) { |
---|
3299 | $colarr = imagecolorsforindex ($img,$i); |
---|
3300 | $r = $this->AdjRGBBrightContrast($colarr["red"],$bright,$contr); |
---|
3301 | $g = $this->AdjRGBBrightContrast($colarr["green"],$bright,$contr); |
---|
3302 | $b = $this->AdjRGBBrightContrast($colarr["blue"],$bright,$contr); |
---|
3303 | imagecolorset ($img, $i, $r, $g, $b); |
---|
3304 | } |
---|
3305 | } |
---|
3306 | |
---|
3307 | // Private helper function for adj sat |
---|
3308 | // Adjust saturation for RGB array $u. $sat is a value between -1 and 1 |
---|
3309 | // Note: Due to GD inability to handle true color the RGB values are only between |
---|
3310 | // 8 bit. This makes saturation quite sensitive for small increases in parameter sat. |
---|
3311 | // |
---|
3312 | // Tip: To get a grayscale picture set sat=-100, values <-100 changes the colors |
---|
3313 | // to it's complement. |
---|
3314 | // |
---|
3315 | // Implementation note: The saturation is implemented directly in the RGB space |
---|
3316 | // by adjusting the perpendicular distance between the RGB point and the "grey" |
---|
3317 | // line (1,1,1). Setting $sat>0 moves the point away from the line along the perp. |
---|
3318 | // distance and a negative value moves the point closer to the line. |
---|
3319 | // The values are truncated when the color point hits the bounding box along the |
---|
3320 | // RGB axis. |
---|
3321 | // DISCLAIMER: I'm not 100% sure this is he correct way to implement a color |
---|
3322 | // saturation function in RGB space. However, it looks ok and has the expected effect. |
---|
3323 | function AdjRGBSat($rgb,$sat) { |
---|
3324 | // TODO: Should be moved to the RGB class |
---|
3325 | // Grey vector |
---|
3326 | $v=array(1,1,1); |
---|
3327 | |
---|
3328 | // Dot product |
---|
3329 | $dot = $rgb[0]*$v[0]+$rgb[1]*$v[1]+$rgb[2]*$v[2]; |
---|
3330 | |
---|
3331 | // Normalize dot product |
---|
3332 | $normdot = $dot/3; // dot/|v|^2 |
---|
3333 | |
---|
3334 | // Direction vector between $u and its projection onto $v |
---|
3335 | for($i=0; $i<3; ++$i) |
---|
3336 | $r[$i] = $rgb[$i] - $normdot*$v[$i]; |
---|
3337 | |
---|
3338 | // Adjustment factor so that sat==1 sets the highest RGB value to 255 |
---|
3339 | if( $sat > 0 ) { |
---|
3340 | $m=0; |
---|
3341 | for( $i=0; $i<3; ++$i) { |
---|
3342 | if( sign($r[$i]) == 1 && $r[$i]>0) |
---|
3343 | $m=max($m,(255-$rgb[$i])/$r[$i]); |
---|
3344 | } |
---|
3345 | $tadj=$m; |
---|
3346 | } |
---|
3347 | else |
---|
3348 | $tadj=1; |
---|
3349 | |
---|
3350 | $tadj = $tadj*$sat; |
---|
3351 | for($i=0; $i<3; ++$i) { |
---|
3352 | $un[$i] = round($rgb[$i] + $tadj*$r[$i]); |
---|
3353 | if( $un[$i]<0 ) $un[$i]=0; // Truncate color when they reach 0 |
---|
3354 | if( $un[$i]>255 ) $un[$i]=255;// Avoid potential rounding error |
---|
3355 | } |
---|
3356 | return $un; |
---|
3357 | } |
---|
3358 | |
---|
3359 | // Private helper function for AdjBrightContrast |
---|
3360 | function AdjRGBBrightContrast($rgb,$bright,$contr) { |
---|
3361 | // TODO: Should be moved to the RGB class |
---|
3362 | // First handle contrast, i.e change the dynamic range around grey |
---|
3363 | if( $contr <= 0 ) { |
---|
3364 | // Decrease contrast |
---|
3365 | $adj = abs($rgb-128) * (-$contr); |
---|
3366 | if( $rgb < 128 ) $rgb += $adj; |
---|
3367 | else $rgb -= $adj; |
---|
3368 | } |
---|
3369 | else { // $contr > 0 |
---|
3370 | // Increase contrast |
---|
3371 | if( $rgb < 128 ) $rgb = $rgb - ($rgb * $contr); |
---|
3372 | else $rgb = $rgb + ((255-$rgb) * $contr); |
---|
3373 | } |
---|
3374 | |
---|
3375 | // Add (or remove) various amount of white |
---|
3376 | $rgb += $bright*255; |
---|
3377 | $rgb=min($rgb,255); |
---|
3378 | $rgb=max($rgb,0); |
---|
3379 | return $rgb; |
---|
3380 | } |
---|
3381 | |
---|
3382 | function SetLineWeight($weight) { |
---|
3383 | $this->line_weight = $weight; |
---|
3384 | } |
---|
3385 | |
---|
3386 | function SetStartPoint($x,$y) { |
---|
3387 | $this->lastx=$x; |
---|
3388 | $this->lasty=$y; |
---|
3389 | } |
---|
3390 | |
---|
3391 | function Arc($cx,$cy,$w,$h,$s,$e) { |
---|
3392 | imagearc($this->img,$cx,$cy,$w,$h,$s,$e,$this->current_color); |
---|
3393 | } |
---|
3394 | |
---|
3395 | function FilledArc($cx,$cy,$w,$h,$s,$e) { |
---|
3396 | if( $GLOBALS['gd2'] == false ) { |
---|
3397 | JpGraphError::Raise("<b>JpGraph Error:</b> This plot type requires GD 2.x or later"); |
---|
3398 | die(); |
---|
3399 | } |
---|
3400 | imagefilledarc($this->img,$cx,$cy,$w,$h,$s,$e,$this->current_color,IMG_ARC_PIE); |
---|
3401 | } |
---|
3402 | |
---|
3403 | function FilledCakeSlice($cx,$cy,$w,$h,$s,$e) { |
---|
3404 | $this->CakeSlice($cx,$cy,$w,$h,$s,$e,$this->current_color_name); |
---|
3405 | } |
---|
3406 | |
---|
3407 | function CakeSlice($cx,$cy,$w,$h,$s,$e,$fillcolor="",$arccolor="",$stepping=2500) { |
---|
3408 | // Calculate a polygon approximation |
---|
3409 | $p[0] = $cx; |
---|
3410 | $p[1] = $cy; |
---|
3411 | // Heuristic on how many polygons we need to make the |
---|
3412 | // arc look good |
---|
3413 | $numsteps = round(8 * abs($e-$s) * ($w*$w+$h*$h)/$stepping); |
---|
3414 | //echo "Numsteps=$numsteps<br>\n"; |
---|
3415 | if( $numsteps < 2 ) $numsteps=2; |
---|
3416 | $delta = ($e-$s)/$numsteps; |
---|
3417 | $pa=array(); |
---|
3418 | $a = $s; |
---|
3419 | for($i=1; $i<=$numsteps; ++$i ) { |
---|
3420 | $p[2*$i] = round($cx + $w*cos($a)); |
---|
3421 | $p[2*$i+1] = round($cy - $h*sin($a)); |
---|
3422 | $a = $s + $i*$delta; |
---|
3423 | $pa[2*($i-1)] = $p[2*$i]; |
---|
3424 | $pa[2*($i-1)+1] = $p[2*$i+1]; |
---|
3425 | } |
---|
3426 | // Get the last point at the exact ending angle to avoid |
---|
3427 | // any rounding errors. |
---|
3428 | $p[2*$i] = round($cx + $w*cos($e)); |
---|
3429 | $p[2*$i+1] = round($cy - $h*sin($e)); |
---|
3430 | $pa[2*($i-1)] = $p[2*$i]; |
---|
3431 | $pa[2*($i-1)+1] = $p[2*$i+1]; |
---|
3432 | $i++; |
---|
3433 | |
---|
3434 | $p[2*$i] = $cx; |
---|
3435 | $p[2*$i+1] = $cy; |
---|
3436 | if( $fillcolor != "" ) { |
---|
3437 | $this->PushColor($fillcolor); |
---|
3438 | $this->FilledPolygon($p); |
---|
3439 | $this->PopColor(); |
---|
3440 | } |
---|
3441 | $this->Polygon($p); |
---|
3442 | if( $arccolor != "" && ($arccolor != $this->current_color) ) { |
---|
3443 | $n = count($pa)/2; |
---|
3444 | $this->PushColor($arccolor); |
---|
3445 | $this->SetStartPoint($pa[0],$pa[1]); |
---|
3446 | for($i=1; $i<$n; ++$i) |
---|
3447 | $this->LineTo($pa[2*$i],$pa[2*$i+1]); |
---|
3448 | $this->PopColor(); |
---|
3449 | } |
---|
3450 | } |
---|
3451 | |
---|
3452 | function Ellipse($xc,$yc,$w,$h) { |
---|
3453 | $this->Arc($xc,$yc,$w,$h,0,360); |
---|
3454 | } |
---|
3455 | |
---|
3456 | // Breseham circle gives visually better result then using GD |
---|
3457 | // built in arc(). It takes some more time but gives better |
---|
3458 | // accuracy. |
---|
3459 | function BresenhamCircle($xc,$yc,$r) { |
---|
3460 | $d = 3-2*$r; |
---|
3461 | $x = 0; |
---|
3462 | $y = $r; |
---|
3463 | while($x<=$y) { |
---|
3464 | $this->Point($xc+$x,$yc+$y); |
---|
3465 | $this->Point($xc+$x,$yc-$y); |
---|
3466 | $this->Point($xc-$x,$yc+$y); |
---|
3467 | $this->Point($xc-$x,$yc-$y); |
---|
3468 | |
---|
3469 | $this->Point($xc+$y,$yc+$x); |
---|
3470 | $this->Point($xc+$y,$yc-$x); |
---|
3471 | $this->Point($xc-$y,$yc+$x); |
---|
3472 | $this->Point($xc-$y,$yc-$x); |
---|
3473 | |
---|
3474 | if( $d<0 ) $d += 4*$x+6; |
---|
3475 | else { |
---|
3476 | $d += 4*($x-$y)+10; |
---|
3477 | --$y; |
---|
3478 | } |
---|
3479 | ++$x; |
---|
3480 | } |
---|
3481 | } |
---|
3482 | |
---|
3483 | function Circle($xc,$yc,$r) { |
---|
3484 | if( USE_BRESENHAM ) |
---|
3485 | $this->BresenhamCircle($xc,$yc,$r); |
---|
3486 | else { |
---|
3487 | $this->Arc($xc,$yc,$r*2,$r*2,0,360); |
---|
3488 | // For some reason imageellipse() isn't in GD 2.0.1, PHP 4.1.1 |
---|
3489 | //imageellipse($this->img,$xc,$yc,$r,$r,$this->current_color); |
---|
3490 | } |
---|
3491 | } |
---|
3492 | |
---|
3493 | function FilledCircle($xc,$yc,$r) { |
---|
3494 | imagefilledellipse($this->img,$xc,$yc,2*$r,2*$r,$this->current_color); |
---|
3495 | } |
---|
3496 | |
---|
3497 | // Linear Color InterPolation |
---|
3498 | function lip($f,$t,$p) { |
---|
3499 | $p = round($p,1); |
---|
3500 | $r = $f[0] + ($t[0]-$f[0])*$p; |
---|
3501 | $g = $f[1] + ($t[1]-$f[1])*$p; |
---|
3502 | $b = $f[2] + ($t[2]-$f[2])*$p; |
---|
3503 | return array($r,$g,$b); |
---|
3504 | } |
---|
3505 | |
---|
3506 | // Anti-aliased line. |
---|
3507 | // Note that this is roughly 8 times slower then a normal line! |
---|
3508 | function WuLine($x1,$y1,$x2,$y2) { |
---|
3509 | // Get foreground line color |
---|
3510 | $lc = imagecolorsforindex($this->img,$this->current_color); |
---|
3511 | $lc = array($lc["red"],$lc["green"],$lc["blue"]); |
---|
3512 | |
---|
3513 | $dx = $x2-$x1; |
---|
3514 | $dy = $y2-$y1; |
---|
3515 | |
---|
3516 | if( abs($dx) > abs($dy) ) { |
---|
3517 | if( $dx<0 ) { |
---|
3518 | $dx = -$dx;$dy = -$dy; |
---|
3519 | $tmp=$x2;$x2=$x1;$x1=$tmp; |
---|
3520 | $tmp=$y2;$y2=$y1;$y1=$tmp; |
---|
3521 | } |
---|
3522 | $x=$x1<<16; $y=$y1<<16; |
---|
3523 | $yinc = ($dy*65535)/$dx; |
---|
3524 | while( ($x >> 16) < $x2 ) { |
---|
3525 | |
---|
3526 | $bc = imagecolorsforindex($this->img,imagecolorat($this->img,$x>>16,$y>>16)); |
---|
3527 | $bc=array($bc["red"],$bc["green"],$bc["blue"]); |
---|
3528 | |
---|
3529 | $this->SetColor($this->lip($lc,$bc,($y & 0xFFFF)/65535)); |
---|
3530 | imagesetpixel($this->img,$x>>16,$y>>16,$this->current_color); |
---|
3531 | $this->SetColor($this->lip($lc,$bc,(~$y & 0xFFFF)/65535)); |
---|
3532 | imagesetpixel($this->img,$x>>16,($y>>16)+1,$this->current_color); |
---|
3533 | $x += 65536; $y += $yinc; |
---|
3534 | } |
---|
3535 | } |
---|
3536 | else { |
---|
3537 | if( $dy<0 ) { |
---|
3538 | $dx = -$dx;$dy = -$dy; |
---|
3539 | $tmp=$x2;$x2=$x1;$x1=$tmp; |
---|
3540 | $tmp=$y2;$y2=$y1;$y1=$tmp; |
---|
3541 | } |
---|
3542 | $x=$x1<<16; $y=$y1<<16; |
---|
3543 | $xinc = ($dx*65535)/$dy; |
---|
3544 | while( ($y >> 16) < $y2 ) { |
---|
3545 | |
---|
3546 | $bc = imagecolorsforindex($this->img,imagecolorat($this->img,$x>>16,$y>>16)); |
---|
3547 | $bc=array($bc["red"],$bc["green"],$bc["blue"]); |
---|
3548 | |
---|
3549 | $this->SetColor($this->lip($lc,$bc,($x & 0xFFFF)/65535)); |
---|
3550 | imagesetpixel($this->img,$x>>16,$y>>16,$this->current_color); |
---|
3551 | $this->SetColor($this->lip($lc,$bc,(~$x & 0xFFFF)/65535)); |
---|
3552 | imagesetpixel($this->img,($x>>16)+1,$y>>16,$this->current_color); |
---|
3553 | $y += 65536; $x += $xinc; |
---|
3554 | } |
---|
3555 | } |
---|
3556 | $this->SetColor($lc); |
---|
3557 | imagesetpixel($this->img,$x2,$y2,$this->current_color); |
---|
3558 | imagesetpixel($this->img,$x1,$y1,$this->current_color); |
---|
3559 | } |
---|
3560 | |
---|
3561 | // Set line style dashed, dotted etc |
---|
3562 | function SetLineStyle($s) { |
---|
3563 | if( is_numeric($s) ) { |
---|
3564 | if( $s<1 || $s>4 ) |
---|
3565 | JpGraphError::Raise("<b>JpGraph Error:</b> Illegal numeric argument to SetLineStyle(): $s"); |
---|
3566 | } |
---|
3567 | elseif( is_string($s) ) { |
---|
3568 | if( $s == "solid" ) $s=1; |
---|
3569 | elseif( $s == "dotted" ) $s=2; |
---|
3570 | elseif( $s == "dashed" ) $s=3; |
---|
3571 | elseif( $s == "longdashed" ) $s=4; |
---|
3572 | else JpGraphError::Raise("<b>JpGraph Error:</b> Illegal string argument to SetLineStyle(): $s"); |
---|
3573 | } |
---|
3574 | else JpGraphError::Raise("<b>JpGraph Error:</b> Illegal argument to SetLineStyle $s"); |
---|
3575 | $this->line_style=$s; |
---|
3576 | } |
---|
3577 | |
---|
3578 | // Same as Line but take the line_style into account |
---|
3579 | function StyleLine($x1,$y1,$x2,$y2) { |
---|
3580 | switch( $this->line_style ) { |
---|
3581 | case 1:// Solid |
---|
3582 | $this->Line($x1,$y1,$x2,$y2); |
---|
3583 | break; |
---|
3584 | case 2: // Dotted |
---|
3585 | $this->DashedLine($x1,$y1,$x2,$y2,1,6); |
---|
3586 | break; |
---|
3587 | case 3: // Dashed |
---|
3588 | $this->DashedLine($x1,$y1,$x2,$y2,2,4); |
---|
3589 | break; |
---|
3590 | case 4: // Longdashes |
---|
3591 | $this->DashedLine($x1,$y1,$x2,$y2,8,6); |
---|
3592 | break; |
---|
3593 | default: |
---|
3594 | JpGraphError::Raise("<b>JpGraph Error:</b> Unknown line style: $this->line_style "); |
---|
3595 | break; |
---|
3596 | } |
---|
3597 | } |
---|
3598 | |
---|
3599 | function Line($x1,$y1,$x2,$y2) { |
---|
3600 | if( $this->line_weight==0 ) return; |
---|
3601 | if( $this->use_anti_aliasing ) { |
---|
3602 | $dx = $x2-$x1; |
---|
3603 | $dy = $y2-$y1; |
---|
3604 | // Vertical, Horizontal or 45 lines don't need anti-aliasing |
---|
3605 | if( $dx!=0 && $dy!=0 && $dx!=$dy ) { |
---|
3606 | $this->WuLine($x1,$y1,$x2,$y2); |
---|
3607 | return; |
---|
3608 | } |
---|
3609 | } |
---|
3610 | if( $this->line_weight==1 ) |
---|
3611 | imageline($this->img,$x1,$y1,$x2,$y2,$this->current_color); |
---|
3612 | elseif( $x1==$x2 ) { // Special case for vertical lines |
---|
3613 | imageline($this->img,$x1,$y1,$x2,$y2,$this->current_color); |
---|
3614 | $w1=floor($this->line_weight/2); |
---|
3615 | $w2=floor(($this->line_weight-1)/2); |
---|
3616 | for($i=1; $i<=$w1; ++$i) |
---|
3617 | imageline($this->img,$x1+$i,$y1,$x2+$i,$y2,$this->current_color); |
---|
3618 | for($i=1; $i<=$w2; ++$i) |
---|
3619 | imageline($this->img,$x1-$i,$y1,$x2-$i,$y2,$this->current_color); |
---|
3620 | } |
---|
3621 | elseif( $y1==$y2 ) { // Special case for horizontal lines |
---|
3622 | imageline($this->img,$x1,$y1,$x2,$y2,$this->current_color); |
---|
3623 | $w1=floor($this->line_weight/2); |
---|
3624 | $w2=floor(($this->line_weight-1)/2); |
---|
3625 | for($i=1; $i<=$w1; ++$i) |
---|
3626 | imageline($this->img,$x1,$y1+$i,$x2,$y2+$i,$this->current_color); |
---|
3627 | for($i=1; $i<=$w2; ++$i) |
---|
3628 | imageline($this->img,$x1,$y1-$i,$x2,$y2-$i,$this->current_color); |
---|
3629 | } |
---|
3630 | else { // General case with a line at an angle |
---|
3631 | $a = atan2($y1-$y2,$x2-$x1); |
---|
3632 | // Now establish some offsets from the center. This gets a little |
---|
3633 | // bit involved since we are dealing with integer functions and we |
---|
3634 | // want the apperance to be as smooth as possible and never be thicker |
---|
3635 | // then the specified width. |
---|
3636 | |
---|
3637 | // We do the trig stuff to make sure that the endpoints of the line |
---|
3638 | // are perpendicular to the line itself. |
---|
3639 | $dx=(sin($a)*$this->line_weight/2); |
---|
3640 | $dy=(cos($a)*$this->line_weight/2); |
---|
3641 | |
---|
3642 | $pnts = array($x2+$dx,$y2+$dy,$x2-$dx,$y2-$dy,$x1-$dx,$y1-$dy,$x1+$dx,$y1+$dy); |
---|
3643 | imagefilledpolygon($this->img,$pnts,count($pnts)/2,$this->current_color); |
---|
3644 | } |
---|
3645 | $this->lastx=$x2; $this->lasty=$y2; |
---|
3646 | } |
---|
3647 | |
---|
3648 | function Polygon($p) { |
---|
3649 | if( $this->line_weight==0 ) return; |
---|
3650 | $n=count($p)/2; |
---|
3651 | for( $i=0; $i<$n; ++$i ) { |
---|
3652 | $j=($i+1)%$n; |
---|
3653 | $this->Line($p[$i*2],$p[$i*2+1],$p[$j*2],$p[$j*2+1]); |
---|
3654 | } |
---|
3655 | } |
---|
3656 | |
---|
3657 | function FilledPolygon($pts) { |
---|
3658 | imagefilledpolygon($this->img,$pts,count($pts)/2,$this->current_color); |
---|
3659 | } |
---|
3660 | |
---|
3661 | function Rectangle($xl,$yu,$xr,$yl) { |
---|
3662 | $this->Polygon(array($xl,$yu,$xr,$yu,$xr,$yl,$xl,$yl)); |
---|
3663 | } |
---|
3664 | |
---|
3665 | function FilledRectangle($xl,$yu,$xr,$yl) { |
---|
3666 | $this->FilledPolygon(array($xl,$yu,$xr,$yu,$xr,$yl,$xl,$yl)); |
---|
3667 | } |
---|
3668 | |
---|
3669 | function ShadowRectangle($xl,$yu,$xr,$yl,$fcolor=false,$shadow_width=3,$shadow_color=array(102,102,102)) { |
---|
3670 | $this->PushColor($shadow_color); |
---|
3671 | $this->FilledRectangle($xr-$shadow_width,$yu+$shadow_width,$xr,$yl); |
---|
3672 | $this->FilledRectangle($xl+$shadow_width,$yl-$shadow_width,$xr,$yl); |
---|
3673 | $this->PopColor(); |
---|
3674 | if( $fcolor==false ) |
---|
3675 | $this->Rectangle($xl,$yu,$xr-$shadow_width-1,$yl-$shadow_width-1); |
---|
3676 | else { |
---|
3677 | $this->PushColor($fcolor); |
---|
3678 | $this->FilledRectangle($xl,$yu,$xr-$shadow_width-1,$yl-$shadow_width-1); |
---|
3679 | $this->PopColor(); |
---|
3680 | $this->Rectangle($xl,$yu,$xr-$shadow_width-1,$yl-$shadow_width-1); |
---|
3681 | } |
---|
3682 | } |
---|
3683 | |
---|
3684 | function StyleLineTo($x,$y) { |
---|
3685 | $this->StyleLine($this->lastx,$this->lasty,$x,$y); |
---|
3686 | $this->lastx=$x; |
---|
3687 | $this->lasty=$y; |
---|
3688 | } |
---|
3689 | |
---|
3690 | function LineTo($x,$y) { |
---|
3691 | $this->Line($this->lastx,$this->lasty,$x,$y); |
---|
3692 | $this->lastx=$x; |
---|
3693 | $this->lasty=$y; |
---|
3694 | } |
---|
3695 | |
---|
3696 | function Point($x,$y) { |
---|
3697 | imagesetpixel($this->img,$x,$y,$this->current_color); |
---|
3698 | } |
---|
3699 | |
---|
3700 | function Fill($x,$y) { |
---|
3701 | imagefill($this->img,$x,$y,$this->current_color); |
---|
3702 | } |
---|
3703 | |
---|
3704 | function DashedLine($x1,$y1,$x2,$y2,$dash_length=1,$dash_space=4) { |
---|
3705 | // Code based on, but not identical to, work by Ariel Garza and James Pine |
---|
3706 | $line_length = ceil (sqrt(pow(($x2 - $x1),2) + pow(($y2 - $y1),2)) ); |
---|
3707 | $dx = ($x2 - $x1) / $line_length; |
---|
3708 | $dy = ($y2 - $y1) / $line_length; |
---|
3709 | $lastx = $x1; $lasty = $y1; |
---|
3710 | $xmax = max($x1,$x2); |
---|
3711 | $xmin = min($x1,$x2); |
---|
3712 | $ymax = max($y1,$y2); |
---|
3713 | $ymin = min($y1,$y2); |
---|
3714 | for ($i = 0; $i < $line_length; $i += ($dash_length + $dash_space)) { |
---|
3715 | $x = ($dash_length * $dx) + $lastx; |
---|
3716 | $y = ($dash_length * $dy) + $lasty; |
---|
3717 | |
---|
3718 | // The last section might overshoot so we must take a computational hit |
---|
3719 | // and check this. |
---|
3720 | if( $x>$xmax ) $x=$xmax; |
---|
3721 | if( $y>$ymax ) $y=$ymax; |
---|
3722 | |
---|
3723 | if( $x<$xmin ) $x=$xmin; |
---|
3724 | if( $y<$ymin ) $y=$ymin; |
---|
3725 | |
---|
3726 | $this->Line($lastx,$lasty,$x,$y); |
---|
3727 | $lastx = $x + ($dash_space * $dx); |
---|
3728 | $lasty = $y + ($dash_space * $dy); |
---|
3729 | } |
---|
3730 | } |
---|
3731 | |
---|
3732 | // Generate image header |
---|
3733 | function Headers() { |
---|
3734 | if ($this->expired) { |
---|
3735 | header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); |
---|
3736 | header("Last-Modified: " . gmdate("D, d M Y H:i:s") . "GMT"); |
---|
3737 | header("Cache-Control: no-cache, must-revalidate"); |
---|
3738 | header("Pragma: no-cache"); |
---|
3739 | } |
---|
3740 | header("Content-type: image/$this->img_format"); |
---|
3741 | } |
---|
3742 | |
---|
3743 | // Adjust image quality for formats that allow this |
---|
3744 | function SetQuality($q) { |
---|
3745 | $this->quality = $q; |
---|
3746 | } |
---|
3747 | |
---|
3748 | // Stream image to browser or to file |
---|
3749 | function Stream($aFile="") { |
---|
3750 | $func="image".$this->img_format; |
---|
3751 | if( $this->img_format=="jpeg" && $this->quality != null ) { |
---|
3752 | $res = @$func($this->img,$aFile,$this->quality); |
---|
3753 | } |
---|
3754 | else { |
---|
3755 | if( $aFile != "" ) { |
---|
3756 | $res = @$func($this->img,$aFile); |
---|
3757 | } |
---|
3758 | else |
---|
3759 | $res = @$func($this->img); |
---|
3760 | } |
---|
3761 | if( !$res ) |
---|
3762 | JpGraphError::Raise("<b>JpGraph Error:</b> Can't create or stream image to file: $aFile<br> |
---|
3763 | Check that PHP has enough permission to write a file to the current directory."); |
---|
3764 | } |
---|
3765 | |
---|
3766 | // Clear resource tide up by image |
---|
3767 | function Destroy() { |
---|
3768 | imagedestroy($this->img); |
---|
3769 | } |
---|
3770 | |
---|
3771 | // Specify image format. Note depending on your installation |
---|
3772 | // of PHP not all formats may be supported. |
---|
3773 | function SetImgFormat($aFormat) { |
---|
3774 | $aFormat = strtolower($aFormat); |
---|
3775 | $tst = true; |
---|
3776 | $supported = imagetypes(); |
---|
3777 | if( $aFormat=="auto" ) { |
---|
3778 | if( $supported & IMG_PNG ) |
---|
3779 | $this->img_format="png"; |
---|
3780 | elseif( $supported & IMG_JPG ) |
---|
3781 | $this->img_format="jpeg"; |
---|
3782 | elseif( $supported & IMG_GIF ) |
---|
3783 | $this->img_format="gif"; |
---|
3784 | else |
---|
3785 | JpGraphError::Raise("<b>JpGraph Error:</b> Your PHP (and GD-lib) installation does not appear to support any known graphic formats.". |
---|
3786 | "You need to first make sure GD is compiled as a module to PHP. If you also want to use JPEG images". |
---|
3787 | "you must get the JPEG library. Please see the PHP docs for details."); |
---|
3788 | |
---|
3789 | return true; |
---|
3790 | } |
---|
3791 | else { |
---|
3792 | if( $aFormat=="jpeg" || $aFormat=="png" || $aFormat=="gif" ) { |
---|
3793 | if( $aFormat=="jpeg" && !($supported & IMG_JPG) ) |
---|
3794 | $tst=false; |
---|
3795 | elseif( $aFormat=="png" && !($supported & IMG_PNG) ) |
---|
3796 | $tst=false; |
---|
3797 | elseif( $aFormat=="gif" && !($supported & IMG_GIF) ) |
---|
3798 | $tst=false; |
---|
3799 | else { |
---|
3800 | $this->img_format=$aFormat; |
---|
3801 | return true; |
---|
3802 | } |
---|
3803 | } |
---|
3804 | else |
---|
3805 | $tst=false; |
---|
3806 | if( !$tst ) |
---|
3807 | JpGraphError::Raise("<b>JpGraph Error:</b> Your PHP installation does not support the chosen graphic format: $aFormat"); |
---|
3808 | } |
---|
3809 | } |
---|
3810 | } // CLASS |
---|
3811 | |
---|
3812 | //=================================================== |
---|
3813 | // CLASS RotImage |
---|
3814 | // Description: Exactly as Image but draws the image at |
---|
3815 | // a specified angle around a specified rotation point. |
---|
3816 | //=================================================== |
---|
3817 | class RotImage extends Image { |
---|
3818 | var $m=array(); |
---|
3819 | var $a=0; |
---|
3820 | var $dx=0,$dy=0,$transx=0,$transy=0; |
---|
3821 | |
---|
3822 | function RotImage($aWidth,$aHeight,$a=0,$aFormat=DEFAULT_GFORMAT) { |
---|
3823 | $this->Image($aWidth,$aHeight,$aFormat); |
---|
3824 | $this->dx=$this->left_margin+$this->plotwidth/2; |
---|
3825 | $this->dy=$this->top_margin+$this->plotheight/2; |
---|
3826 | $this->SetAngle($a); |
---|
3827 | } |
---|
3828 | |
---|
3829 | function SetCenter($dx,$dy) { |
---|
3830 | $old_dx = $this->dx; |
---|
3831 | $old_dy = $this->dy; |
---|
3832 | $this->dx=$dx; |
---|
3833 | $this->dy=$dy; |
---|
3834 | return array($old_dx,$old_dy); |
---|
3835 | } |
---|
3836 | |
---|
3837 | function SetTranslation($dx,$dy) { |
---|
3838 | $old = array($this->transx,$this->transy); |
---|
3839 | $this->transx = $dx; |
---|
3840 | $this->transy = $dy; |
---|
3841 | return $old; |
---|
3842 | } |
---|
3843 | |
---|
3844 | function SetAngle($a) { |
---|
3845 | $tmp = $this->a; |
---|
3846 | $this->a = $a; |
---|
3847 | $a *= M_PI/180; |
---|
3848 | $sa=sin($a); $ca=cos($a); |
---|
3849 | |
---|
3850 | // Create the rotation matrix |
---|
3851 | $this->m[0][0] = $ca; |
---|
3852 | $this->m[0][1] = -$sa; |
---|
3853 | $this->m[0][2] = $this->dx*(1-$ca) + $sa*$this->dy ; |
---|
3854 | $this->m[1][0] = $sa; |
---|
3855 | $this->m[1][1] = $ca; |
---|
3856 | $this->m[1][2] = $this->dy*(1-$ca) - $sa*$this->dx ; |
---|
3857 | return $tmp; |
---|
3858 | } |
---|
3859 | |
---|
3860 | function Circle($xc,$yc,$r) { |
---|
3861 | list($xc,$yc) = $this->Rotate($xc,$yc); |
---|
3862 | parent::Circle($xc,$yc,$r); |
---|
3863 | } |
---|
3864 | |
---|
3865 | function FilledCircle($xc,$yc,$r) { |
---|
3866 | list($xc,$yc) = $this->Rotate($xc,$yc); |
---|
3867 | parent::FilledCircle($xc,$yc,$r); |
---|
3868 | } |
---|
3869 | |
---|
3870 | |
---|
3871 | function Arc($xc,$yc,$w,$h,$s,$e) { |
---|
3872 | list($xc,$yc) = $this->Rotate($xc,$yc); |
---|
3873 | parent::Arc($xc,$yc,$w,$h,$s,$e); |
---|
3874 | } |
---|
3875 | |
---|
3876 | function FilledArc($xc,$yc,$w,$h,$s,$e) { |
---|
3877 | list($xc,$yc) = $this->Rotate($xc,$yc); |
---|
3878 | parent::FilledArc($xc,$yc,$w,$h,$s,$e); |
---|
3879 | } |
---|
3880 | |
---|
3881 | function SetMargin($lm,$rm,$tm,$bm) { |
---|
3882 | parent::SetMargin($lm,$rm,$tm,$bm); |
---|
3883 | $this->SetAngle($this->a); |
---|
3884 | } |
---|
3885 | |
---|
3886 | function Rotate($x,$y) { |
---|
3887 | $x1=round($this->m[0][0]*$x + $this->m[0][1]*$y + $this->m[0][2] + $this->transx); |
---|
3888 | $y1=round($this->m[1][0]*$x + $this->m[1][1]*$y + $this->m[1][2] + $this->transy); |
---|
3889 | return array($x1,$y1); |
---|
3890 | } |
---|
3891 | |
---|
3892 | function ArrRotate($pnts) { |
---|
3893 | for($i=0; $i < count($pnts)-1; $i+=2) |
---|
3894 | list($pnts[$i],$pnts[$i+1]) = $this->Rotate($pnts[$i],$pnts[$i+1]); |
---|
3895 | return $pnts; |
---|
3896 | } |
---|
3897 | |
---|
3898 | function Line($x1,$y1,$x2,$y2) { |
---|
3899 | list($x1,$y1) = $this->Rotate($x1,$y1); |
---|
3900 | list($x2,$y2) = $this->Rotate($x2,$y2); |
---|
3901 | parent::Line($x1,$y1,$x2,$y2); |
---|
3902 | } |
---|
3903 | |
---|
3904 | function Rectangle($x1,$y1,$x2,$y2) { |
---|
3905 | $this->Polygon(array($x1,$y1,$x2,$y1,$x2,$y2,$x1,$y2)); |
---|
3906 | } |
---|
3907 | |
---|
3908 | function FilledRectangle($x1,$y1,$x2,$y2) { |
---|
3909 | if( $y1==$y2 || $x1==$x2 ) |
---|
3910 | $this->Line($x1,$y1,$x2,$y2); |
---|
3911 | else |
---|
3912 | $this->FilledPolygon(array($x1,$y1,$x2,$y1,$x2,$y2,$x1,$y2)); |
---|
3913 | } |
---|
3914 | |
---|
3915 | function Polygon($pnts) { |
---|
3916 | //Polygon uses Line() so it will be rotated through that call |
---|
3917 | parent::Polygon($pnts); |
---|
3918 | } |
---|
3919 | |
---|
3920 | function FilledPolygon($pnts) { |
---|
3921 | parent::FilledPolygon($this->ArrRotate($pnts)); |
---|
3922 | } |
---|
3923 | |
---|
3924 | function Point($x,$y) { |
---|
3925 | list($xp,$yp) = $this->Rotate($x,$y); |
---|
3926 | parent::Point($xp,$yp); |
---|
3927 | } |
---|
3928 | |
---|
3929 | function DashedLine($x1,$y1,$x2,$y2,$length=1,$space=4) { |
---|
3930 | list($x1,$y1) = $this->Rotate($x1,$y1); |
---|
3931 | list($x2,$y2) = $this->Rotate($x2,$y2); |
---|
3932 | parent::DashedLine($x1,$y1,$x2,$y2,$length,$space); |
---|
3933 | } |
---|
3934 | |
---|
3935 | function StrokeText($x,$y,$txt,$dir=0,$paragraph_align="left") { |
---|
3936 | list($xp,$yp) = $this->Rotate($x,$y); |
---|
3937 | parent::StrokeText($xp,$yp,$txt,$dir,$paragraph_align); |
---|
3938 | } |
---|
3939 | } |
---|
3940 | |
---|
3941 | //=================================================== |
---|
3942 | // CLASS ImgStreamCache |
---|
3943 | // Description: Handle caching of graphs to files |
---|
3944 | //=================================================== |
---|
3945 | class ImgStreamCache { |
---|
3946 | var $cache_dir; |
---|
3947 | var $img=null; |
---|
3948 | var $timeout=0; // Infinite timeout |
---|
3949 | //--------------- |
---|
3950 | // CONSTRUCTOR |
---|
3951 | function ImgStreamCache(&$aImg, $aCacheDir=CACHE_DIR) { |
---|
3952 | $this->img = &$aImg; |
---|
3953 | $this->cache_dir = $aCacheDir; |
---|
3954 | } |
---|
3955 | |
---|
3956 | //--------------- |
---|
3957 | // PUBLIC METHODS |
---|
3958 | |
---|
3959 | // Specify a timeout (in minutes) for the file. If the file is older then the |
---|
3960 | // timeout value it will be overwritten with a newer version. |
---|
3961 | // If timeout is set to 0 this is the same as infinite large timeout and if |
---|
3962 | // timeout is set to -1 this is the same as infinite small timeout |
---|
3963 | function SetTimeout($aTimeout) { |
---|
3964 | $this->timeout=$aTimeout; |
---|
3965 | } |
---|
3966 | |
---|
3967 | // Output image to browser and also write it to the cache |
---|
3968 | function PutAndStream(&$aImage,$aCacheFileName,$aInline,$aStrokeFileName) { |
---|
3969 | // Some debugging code to brand the image with numbe of colors |
---|
3970 | // used |
---|
3971 | |
---|
3972 | if( JPG_DEBUG ) { |
---|
3973 | $c=$aImage->SetColor("black"); |
---|
3974 | $t=imagecolorstotal($this->img->img); |
---|
3975 | imagestring($this->img->img,2,5,$this->img->height-20,$t,$c); |
---|
3976 | } |
---|
3977 | |
---|
3978 | if( BRAND_TIMING ) { |
---|
3979 | global $tim; |
---|
3980 | $t=$tim->Pop()/1000.0; |
---|
3981 | $c=$aImage->SetColor("black"); |
---|
3982 | $t=sprintf(BRAND_TIME_FORMAT,round($t,3)); |
---|
3983 | imagestring($this->img->img,2,5,$this->img->height-20,$t,$c); |
---|
3984 | } |
---|
3985 | |
---|
3986 | // Check if we should stroke the image to an arbitrary file |
---|
3987 | if( $aStrokeFileName!="" ) { |
---|
3988 | if( $aStrokeFileName == "auto" ) |
---|
3989 | $aStrokeFileName = GenImgName(); |
---|
3990 | if( file_exists($aStrokeFileName) ) { |
---|
3991 | // Delete the old file |
---|
3992 | if( !@unlink($aStrokeFileName) ) |
---|
3993 | JpGraphError::Raise("<b>JpGraph Error:</b> Can't delete cached image $aStrokeFileName. Permission problem?"); |
---|
3994 | } |
---|
3995 | $aImage->Stream($aStrokeFileName); |
---|
3996 | return; |
---|
3997 | } |
---|
3998 | |
---|
3999 | if( $aCacheFileName != "" && USE_CACHE) { |
---|
4000 | |
---|
4001 | $aCacheFileName = $this->cache_dir . $aCacheFileName; |
---|
4002 | if( file_exists($aCacheFileName) ) { |
---|
4003 | if( !$aInline ) { |
---|
4004 | // If we are generating image off-line (just writing to the cache) |
---|
4005 | // and the file exists and is still valid (no timeout) |
---|
4006 | // then do nothing, just return. |
---|
4007 | $diff=time()-filemtime($aCacheFileName); |
---|
4008 | if( $diff < 0 ) |
---|
4009 | JpGraphError::Raise("<b>JpGraph Error:</b> Cached imagefile ($aCacheFileName) has file date in the future!!"); |
---|
4010 | if( $this->timeout>0 && ($diff <= $this->timeout*60) ) |
---|
4011 | return; |
---|
4012 | } |
---|
4013 | if( !@unlink($aCacheFileName) ) |
---|
4014 | JpGraphError::Raise("<b>JpGraph Error:</b> Can't delete cached image $aStrokeFileName. Permission problem?"); |
---|
4015 | $aImage->Stream($aCacheFileName); |
---|
4016 | } |
---|
4017 | else { |
---|
4018 | $this->_MakeDirs(dirname($aCacheFileName)); |
---|
4019 | $aImage->Stream($aCacheFileName); |
---|
4020 | } |
---|
4021 | |
---|
4022 | $res=true; |
---|
4023 | // Set group to specified |
---|
4024 | if( CACHE_FILE_GROUP != "" ) |
---|
4025 | $res = @chgrp($aCacheFileName,CACHE_FILE_GROUP); |
---|
4026 | if( CACHE_FILE_MOD != "" ) |
---|
4027 | $res = @chmod($aCacheFileName,CACHE_FILE_MOD); |
---|
4028 | if( !$res ) |
---|
4029 | JpGraphError::Raise("<b>JpGraph Error:</b> Can't set permission for cached image $aStrokeFileName. Permission problem?"); |
---|
4030 | |
---|
4031 | $aImage->Destroy(); |
---|
4032 | if( $aInline ) { |
---|
4033 | if ($fh = @fopen($aCacheFileName, "rb") ) { |
---|
4034 | $this->img->Headers(); |
---|
4035 | fpassthru($fh); |
---|
4036 | return; |
---|
4037 | } |
---|
4038 | else |
---|
4039 | JpGraphError::Raise("<b>JpGraph Error:</b> Cant open file from cache [$aFile]"); |
---|
4040 | } |
---|
4041 | } |
---|
4042 | elseif( $aInline ) { |
---|
4043 | $this->img->Headers(); |
---|
4044 | $aImage->Stream(); |
---|
4045 | return; |
---|
4046 | } |
---|
4047 | } |
---|
4048 | |
---|
4049 | // Check if a given image is in cache and in that case |
---|
4050 | // pass it directly on to web browser. Return false if the |
---|
4051 | // image file doesn't exist or exists but is to old |
---|
4052 | function GetAndStream($aCacheFileName) { |
---|
4053 | $aCacheFileName = $this->cache_dir.$aCacheFileName; |
---|
4054 | if ( USE_CACHE && file_exists($aCacheFileName) && $this->timeout>=0 ) { |
---|
4055 | $diff=time()-filemtime($aCacheFileName); |
---|
4056 | if( $this->timeout>0 && ($diff > $this->timeout*60) ) { |
---|
4057 | return false; |
---|
4058 | } |
---|
4059 | else { |
---|
4060 | if ($fh = @fopen($aCacheFileName, "rb")) { |
---|
4061 | $this->img->Headers(); |
---|
4062 | fpassthru($fh); |
---|
4063 | fclose($fh); |
---|
4064 | return true; |
---|
4065 | } |
---|
4066 | else |
---|
4067 | JpGraphError::Raise("<b>JpGraph Error:</b> Can't open cached image \"$aCacheFileName\" for reading."); |
---|
4068 | } |
---|
4069 | } |
---|
4070 | return false; |
---|
4071 | } |
---|
4072 | |
---|
4073 | //--------------- |
---|
4074 | // PRIVATE METHODS |
---|
4075 | // Create all necessary directories in a path |
---|
4076 | function _MakeDirs($aFile) { |
---|
4077 | $dirs = array(); |
---|
4078 | while (! (file_exists($aFile))) { |
---|
4079 | $dirs[] = $aFile; |
---|
4080 | $aFile = dirname($aFile); |
---|
4081 | } |
---|
4082 | for ($i = sizeof($dirs)-1; $i>=0; $i--) { |
---|
4083 | if(! @mkdir($dirs[$i],0777) ) |
---|
4084 | JpGraphError::Raise("<b>JpGraph Error:</b> Can't create directory in $aFile. Permission problems?"); |
---|
4085 | |
---|
4086 | // We also specify mode here after we have changed group. |
---|
4087 | // This is necessary if Apache user doesn't belong the |
---|
4088 | // default group and hence can't specify group permission |
---|
4089 | // in the previous mkdir() call |
---|
4090 | if( CACHE_FILE_GROUP != "" ) { |
---|
4091 | $res=true; |
---|
4092 | $res =@chgrp($dirs[$i],CACHE_FILE_GROUP); |
---|
4093 | $res &= @chmod($dirs[$i],0777); |
---|
4094 | if( !$res ) |
---|
4095 | JpGraphError::Raise("<b>JpGraph Error:</b> Can't set permissions for $aFile. Permission problems?"); |
---|
4096 | } |
---|
4097 | } |
---|
4098 | return true; |
---|
4099 | } |
---|
4100 | } // CLASS Cache |
---|
4101 | |
---|
4102 | //=================================================== |
---|
4103 | // CLASS Legend |
---|
4104 | // Description: Responsible for drawing the box containing |
---|
4105 | // all the legend text for the graph |
---|
4106 | //=================================================== |
---|
4107 | class Legend { |
---|
4108 | var $color=array(0,0,0); // Default fram color |
---|
4109 | var $fill_color=array(235,235,235); // Default fill color |
---|
4110 | var $shadow=true; // Shadow around legend "box" |
---|
4111 | var $txtcol=array(); |
---|
4112 | var $mark_abs_size=10,$xmargin=5,$ymargin=5,$shadow_width=2; |
---|
4113 | var $xpos=0.05, $ypos=0.15, $halign="right", $valign="top"; |
---|
4114 | var $font_family=FF_FONT1,$font_style=FS_NORMAL,$font_size=12; |
---|
4115 | var $hide=false,$layout=LEGEND_VERT; |
---|
4116 | var $weight=1; |
---|
4117 | //--------------- |
---|
4118 | // CONSTRUCTOR |
---|
4119 | function Legend() { |
---|
4120 | // Empty |
---|
4121 | } |
---|
4122 | //--------------- |
---|
4123 | // PUBLIC METHODS |
---|
4124 | function Hide($aHide=true) { |
---|
4125 | $this->hide=$aHide; |
---|
4126 | } |
---|
4127 | |
---|
4128 | function SetShadow($aShow=true,$aWidth=2) { |
---|
4129 | $this->shadow=$aShow; |
---|
4130 | $this->shadow_width=$aWidth; |
---|
4131 | } |
---|
4132 | |
---|
4133 | function SetLineWeight($aWeight) { |
---|
4134 | $this->weight = $aWeight; |
---|
4135 | } |
---|
4136 | |
---|
4137 | function SetLayout($aDirection=LEGEND_VERT) { |
---|
4138 | $this->layout=$aDirection; |
---|
4139 | } |
---|
4140 | |
---|
4141 | // Set color on frame around box |
---|
4142 | function SetColor($aColor) { |
---|
4143 | $this->color=$aColor; |
---|
4144 | } |
---|
4145 | |
---|
4146 | function SetFont($aFamily,$aStyle=FS_NORMAL,$aSize=10) { |
---|
4147 | $this->font_family = $aFamily; |
---|
4148 | $this->font_style = $aStyle; |
---|
4149 | $this->font_size = $aSize; |
---|
4150 | } |
---|
4151 | |
---|
4152 | function Pos($aX,$aY,$aHAlign="right",$aVAlign="top") { |
---|
4153 | if( !($aX<1 && $aY<1) ) |
---|
4154 | JpGraphError::Raise("<b>JpGraph Error:</b> Position for legend must be given as percentage in range 0-1"); |
---|
4155 | $this->xpos=$aX; |
---|
4156 | $this->ypos=$aY; |
---|
4157 | $this->halign=$aHAlign; |
---|
4158 | $this->valign=$aVAlign; |
---|
4159 | } |
---|
4160 | |
---|
4161 | function SetBackground($aDummy) { |
---|
4162 | JpGraphError::Raise("<b>JpGraph Error:</b> Deprecated function Legend::SetBaqckground() use Legend::SetFillColor() instead."); |
---|
4163 | } |
---|
4164 | |
---|
4165 | function SetFillColor($aColor) { |
---|
4166 | $this->fill_color=$aColor; |
---|
4167 | } |
---|
4168 | |
---|
4169 | function Add($aTxt,$aColor,$aPlotmark="",$aLinestyle=1) { |
---|
4170 | $this->txtcol[]=array($aTxt,$aColor,$aPlotmark,$aLinestyle); |
---|
4171 | } |
---|
4172 | |
---|
4173 | function Stroke(&$aImg) { |
---|
4174 | if( $this->hide ) return; |
---|
4175 | |
---|
4176 | $nbrplots=count($this->txtcol); |
---|
4177 | if( $nbrplots==0 ) return; |
---|
4178 | |
---|
4179 | $aImg->SetFont($this->font_family,$this->font_style,$this->font_size); |
---|
4180 | if( $this->layout==LEGEND_VERT ) |
---|
4181 | $abs_height=$aImg->GetFontHeight() + $this->mark_abs_size*$nbrplots + |
---|
4182 | $this->ymargin*($nbrplots-1); |
---|
4183 | else |
---|
4184 | $abs_height=2*$this->mark_abs_size+$this->ymargin; |
---|
4185 | |
---|
4186 | if( $this->shadow ) $abs_height += $this->shadow_width; |
---|
4187 | $mtw=0; |
---|
4188 | foreach($this->txtcol as $p) { |
---|
4189 | if( $this->layout==LEGEND_VERT ) |
---|
4190 | $mtw=max($mtw,$aImg->GetTextWidth($p[0])); |
---|
4191 | else |
---|
4192 | $mtw+=$aImg->GetTextWidth($p[0])+$this->mark_abs_size+$this->xmargin; |
---|
4193 | } |
---|
4194 | $abs_width=$mtw+2*$this->mark_abs_size+2*$this->xmargin; |
---|
4195 | if( $this->halign=="left" ) |
---|
4196 | $xp=$this->xpos*$aImg->width; |
---|
4197 | elseif( $this->halign=="center" ) |
---|
4198 | $xp=$this->xpos*$aImg->width - $abs_width/2; |
---|
4199 | else |
---|
4200 | $xp = $aImg->width - $this->xpos*$aImg->width - $abs_width; |
---|
4201 | $yp=$this->ypos*$aImg->height; |
---|
4202 | if( $this->valign=="center" ) |
---|
4203 | $yp-=$abs_height/2; |
---|
4204 | elseif( $this->valign=="bottom" ) |
---|
4205 | $yp-=$abs_height; |
---|
4206 | |
---|
4207 | $aImg->SetColor($this->color); |
---|
4208 | $aImg->SetLineWeight($this->weight); |
---|
4209 | if( $this->shadow ) |
---|
4210 | $aImg->ShadowRectangle($xp,$yp,$xp+$abs_width,$yp+$abs_height,$this->fill_color,$this->shadow_width); |
---|
4211 | else { |
---|
4212 | $aImg->SetColor($this->fill_color); |
---|
4213 | $aImg->FilledRectangle($xp,$yp,$xp+$abs_width,$yp+$abs_height); |
---|
4214 | $aImg->SetColor($this->color); |
---|
4215 | $aImg->Rectangle($xp,$yp,$xp+$abs_width,$yp+$abs_height); |
---|
4216 | } |
---|
4217 | $aImg->SetLineWeight(1); |
---|
4218 | $x1=$xp+$this->mark_abs_size/2; |
---|
4219 | $y1=$yp+$aImg->GetFontHeight()*0.5; |
---|
4220 | foreach($this->txtcol as $p) { |
---|
4221 | $aImg->SetColor($p[1]); |
---|
4222 | if ( $p[2] != "" && $p[2]->GetType() > -1 ) { |
---|
4223 | $p[2]->Stroke($aImg,$x1+$this->mark_abs_size/2,$y1+$aImg->GetFontHeight()/2); |
---|
4224 | } |
---|
4225 | elseif ( $p[2] != "" ) { |
---|
4226 | $aImg->SetLineStyle($p[3]); |
---|
4227 | $aImg->StyleLine($x1,$y1+$aImg->GetFontHeight()/2,$x1+$this->mark_abs_size,$y1+$aImg->GetFontHeight()/2); |
---|
4228 | $aImg->StyleLine($x1,$y1+$aImg->GetFontHeight()/2-1,$x1+$this->mark_abs_size,$y1+$aImg->GetFontHeight()/2-1); |
---|
4229 | } |
---|
4230 | else { |
---|
4231 | $aImg->FilledRectangle($x1,$y1,$x1+$this->mark_abs_size,$y1+$this->mark_abs_size); |
---|
4232 | $aImg->SetColor($this->color); |
---|
4233 | $aImg->Rectangle($x1,$y1,$x1+$this->mark_abs_size,$y1+$this->mark_abs_size); |
---|
4234 | } |
---|
4235 | $aImg->SetColor($this->color); |
---|
4236 | $aImg->SetTextAlign("left"); |
---|
4237 | $aImg->StrokeText($x1+$this->mark_abs_size+$this->xmargin,$y1+$this->mark_abs_size,$p[0]); |
---|
4238 | if( $this->layout==LEGEND_VERT ) |
---|
4239 | $y1 += $this->ymargin+$this->mark_abs_size; |
---|
4240 | else |
---|
4241 | $x1 += 2*$this->ymargin+$this->mark_abs_size+$aImg->GetTextWidth($p[0]); |
---|
4242 | } |
---|
4243 | } |
---|
4244 | } // Class |
---|
4245 | |
---|
4246 | //=================================================== |
---|
4247 | // CLASS Plot |
---|
4248 | // Description: Abstract base class for all concrete plot classes |
---|
4249 | //=================================================== |
---|
4250 | class Plot { |
---|
4251 | var $line_weight=1; |
---|
4252 | var $coords=array(); |
---|
4253 | var $legend=""; |
---|
4254 | var $csimtargets=array(); // Array of targets for CSIM |
---|
4255 | var $csimareas=""; // Resultant CSIM area tags |
---|
4256 | var $csimalts=null; // ALT:s for corresponding target |
---|
4257 | var $color="black"; |
---|
4258 | var $numpoints=0; |
---|
4259 | var $weight=1; |
---|
4260 | //--------------- |
---|
4261 | // CONSTRUCTOR |
---|
4262 | function Plot(&$aDatay,$aDatax=false) { |
---|
4263 | $this->numpoints = count($aDatay); |
---|
4264 | if( $this->numpoints==0 ) |
---|
4265 | JpGraphError::Raise("<b>JpGraph Error:</b> Empty data array specified for plot. Must have at least one data point."); |
---|
4266 | $this->coords[0]=$aDatay; |
---|
4267 | if( is_array($aDatax) ) |
---|
4268 | $this->coords[1]=$aDatax; |
---|
4269 | } |
---|
4270 | |
---|
4271 | //--------------- |
---|
4272 | // PUBLIC METHODS |
---|
4273 | |
---|
4274 | // Stroke the plot |
---|
4275 | // "virtual" function which must be implemented by |
---|
4276 | // the subclasses |
---|
4277 | function Stroke(&$aImg,&$aXScale,&$aYScale) { |
---|
4278 | JpGraphError::Raise("JpGraph: Stroke() must be implemented by concrete subclass to class Plot"); |
---|
4279 | } |
---|
4280 | |
---|
4281 | // Set href targets for CSIM |
---|
4282 | function SetCSIMTargets(&$aTargets,$aAlts=null) { |
---|
4283 | $this->csimtargets=$aTargets; |
---|
4284 | $this->csimalts=$aAlts; |
---|
4285 | } |
---|
4286 | |
---|
4287 | // Get all created areas |
---|
4288 | function GetCSIMareas() { |
---|
4289 | return $this->csimareas; |
---|
4290 | } |
---|
4291 | |
---|
4292 | // "Virtual" function which gets called before any scale |
---|
4293 | // or axis are stroked used to do any plot specific adjustment |
---|
4294 | function PreStrokeAdjust(&$aGraph) { |
---|
4295 | if( substr($aGraph->axtype,0,4) == "text" && (isset($this->coords[1])) ) |
---|
4296 | JpGraphError::Raise("JpGraph: You can't use a text X-scale with specified X-coords. Use a \"int\" or \"lin\" scale instead."); |
---|
4297 | return true; |
---|
4298 | } |
---|
4299 | |
---|
4300 | function SetWeight($aWeight) { |
---|
4301 | $this->weight=$aWeight; |
---|
4302 | } |
---|
4303 | |
---|
4304 | // Get minimum values in plot |
---|
4305 | function Min() { |
---|
4306 | if( isset($this->coords[1]) ) |
---|
4307 | $x=$this->coords[1]; |
---|
4308 | else |
---|
4309 | $x=""; |
---|
4310 | if( $x != "" && count($x) > 0 ) |
---|
4311 | $xm=min($x); |
---|
4312 | else |
---|
4313 | $xm=0; |
---|
4314 | $y=$this->coords[0]; |
---|
4315 | if( count($y) > 0 ) { |
---|
4316 | $ym = $y[0]; |
---|
4317 | $cnt = count($y); |
---|
4318 | $i=0; |
---|
4319 | while( $i<$cnt && !is_numeric($ym=$y[$i]) ) |
---|
4320 | $i++; |
---|
4321 | while( $i < $cnt) { |
---|
4322 | if( is_numeric($y[$i]) ) |
---|
4323 | $ym=min($ym,$y[$i]); |
---|
4324 | ++$i; |
---|
4325 | } |
---|
4326 | } |
---|
4327 | else |
---|
4328 | $ym=""; |
---|
4329 | return array($xm,$ym); |
---|
4330 | } |
---|
4331 | |
---|
4332 | // Get maximum value in plot |
---|
4333 | function Max() { |
---|
4334 | if( isset($this->coords[1]) ) |
---|
4335 | $x=$this->coords[1]; |
---|
4336 | else |
---|
4337 | $x=""; |
---|
4338 | |
---|
4339 | if( $x!="" && count($x) > 0 ) |
---|
4340 | $xm=max($x); |
---|
4341 | else |
---|
4342 | $xm=count($this->coords[0])-1; // We count from 0..(n-1) |
---|
4343 | $y=$this->coords[0]; |
---|
4344 | if( count($y) > 0 ) { |
---|
4345 | if( !isset($y[0]) ) { |
---|
4346 | $y[0] = 0; |
---|
4347 | // Change in 1.5.1 Don't treat this as an error any more. Just silently concert to 0 |
---|
4348 | // JpGraphError::Raise("<b>JpGraph Error:</b> You have not specified a y[0] value!!"); |
---|
4349 | } |
---|
4350 | $cnt = count($y); |
---|
4351 | $i=0; |
---|
4352 | while( $i<$cnt && !is_numeric($ym=$y[$i]) ) |
---|
4353 | $i++; |
---|
4354 | while( $i < $cnt ) { |
---|
4355 | if( is_numeric($y[$i]) ) $ym=max($ym,$y[$i]); |
---|
4356 | ++$i; |
---|
4357 | } |
---|
4358 | } |
---|
4359 | else |
---|
4360 | $ym=""; |
---|
4361 | return array($xm,$ym); |
---|
4362 | } |
---|
4363 | |
---|
4364 | function SetColor($aColor) { |
---|
4365 | $this->color=$aColor; |
---|
4366 | } |
---|
4367 | |
---|
4368 | function SetLegend($aLegend) { |
---|
4369 | $this->legend = $aLegend; |
---|
4370 | } |
---|
4371 | |
---|
4372 | function SetLineWeight($aWeight=1) { |
---|
4373 | $this->line_weight=$aWeight; |
---|
4374 | } |
---|
4375 | |
---|
4376 | // This method gets called by Graph class to plot anything that should go |
---|
4377 | // into the margin after the margin color has been set. |
---|
4378 | function StrokeMargin(&$aImg) { |
---|
4379 | return true; |
---|
4380 | } |
---|
4381 | |
---|
4382 | // Framework function the chance for each plot class to set a legend |
---|
4383 | function Legend(&$aGraph) { |
---|
4384 | if( $this->legend!="" ) |
---|
4385 | $aGraph->legend->Add($this->legend,$this->color); |
---|
4386 | } |
---|
4387 | |
---|
4388 | } // Class |
---|
4389 | |
---|
4390 | |
---|
4391 | //=================================================== |
---|
4392 | // CLASS PlotMark |
---|
4393 | // Description: Handles the plot marks in graphs |
---|
4394 | // mostly used in line and scatter plots. |
---|
4395 | //=================================================== |
---|
4396 | class PlotMark { |
---|
4397 | var $title, $show=true; |
---|
4398 | var $type=-1, $weight=1; |
---|
4399 | var $color="black", $width=5, $fill_color="blue"; |
---|
4400 | // -------------- |
---|
4401 | // CONSTRUCTOR |
---|
4402 | function PlotMark() { |
---|
4403 | $this->title = new Text(); |
---|
4404 | $this->title->Hide(); |
---|
4405 | } |
---|
4406 | //--------------- |
---|
4407 | // PUBLIC METHODS |
---|
4408 | function SetType($t) { |
---|
4409 | $this->type = $t; |
---|
4410 | } |
---|
4411 | |
---|
4412 | function GetType() { |
---|
4413 | return $this->type; |
---|
4414 | } |
---|
4415 | |
---|
4416 | function SetColor($c) { |
---|
4417 | $this->color=$c; |
---|
4418 | } |
---|
4419 | |
---|
4420 | function SetFillColor($c) { |
---|
4421 | $this->fill_color = $c; |
---|
4422 | } |
---|
4423 | |
---|
4424 | function SetWidth($w) { |
---|
4425 | $this->width=$w; |
---|
4426 | } |
---|
4427 | |
---|
4428 | function GetWidth() { |
---|
4429 | return $this->width; |
---|
4430 | } |
---|
4431 | |
---|
4432 | function Hide($aHide=true) { |
---|
4433 | $this->show = !$aHide; |
---|
4434 | } |
---|
4435 | |
---|
4436 | function Show($aShow=true) { |
---|
4437 | $this->show = $aShow; |
---|
4438 | } |
---|
4439 | |
---|
4440 | function Stroke(&$img,$x,$y) { |
---|
4441 | if( !$this->show ) return; |
---|
4442 | $dx=round($this->width/2,0); |
---|
4443 | $dy=round($this->width/2,0); |
---|
4444 | $pts=0; |
---|
4445 | switch( $this->type ) { |
---|
4446 | case MARK_SQUARE: |
---|
4447 | $c[]=$x-$dx;$c[]=$y-$dy; |
---|
4448 | $c[]=$x+$dx;$c[]=$y-$dy; |
---|
4449 | $c[]=$x+$dx;$c[]=$y+$dy; |
---|
4450 | $c[]=$x-$dx;$c[]=$y+$dy; |
---|
4451 | $pts=4; |
---|
4452 | break; |
---|
4453 | case MARK_UTRIANGLE: |
---|
4454 | ++$dx;++$dy; |
---|
4455 | $c[]=$x-$dx;$c[]=$y+0.87*$dy; // tan(60)/2*$dx |
---|
4456 | $c[]=$x;$c[]=$y-0.87*$dy; |
---|
4457 | $c[]=$x+$dx;$c[]=$y+0.87*$dy; |
---|
4458 | $pts=3; |
---|
4459 | break; |
---|
4460 | case MARK_DTRIANGLE: |
---|
4461 | ++$dx;++$dy; |
---|
4462 | $c[]=$x;$c[]=$y+0.87*$dy; // tan(60)/2*$dx |
---|
4463 | $c[]=$x-$dx;$c[]=$y-0.87*$dy; |
---|
4464 | $c[]=$x+$dx;$c[]=$y-0.87*$dy; |
---|
4465 | $pts=3; |
---|
4466 | break; |
---|
4467 | case MARK_DIAMOND: |
---|
4468 | $c[]=$x;$c[]=$y+$dy; |
---|
4469 | $c[]=$x-$dx;$c[]=$y; |
---|
4470 | $c[]=$x;$c[]=$y-$dy; |
---|
4471 | $c[]=$x+$dx;$c[]=$y; |
---|
4472 | $pts=4; |
---|
4473 | break; |
---|
4474 | } |
---|
4475 | if( $pts>0 ) { |
---|
4476 | $img->SetLineWeight($this->weight); |
---|
4477 | $img->SetColor($this->fill_color); |
---|
4478 | $img->FilledPolygon($c); |
---|
4479 | $img->SetColor($this->color); |
---|
4480 | $img->Polygon($c); |
---|
4481 | } |
---|
4482 | elseif( $this->type==MARK_CIRCLE ) { |
---|
4483 | $img->SetColor($this->color); |
---|
4484 | $img->Circle($x,$y,$this->width); |
---|
4485 | } |
---|
4486 | elseif( $this->type==MARK_FILLEDCIRCLE ) { |
---|
4487 | $img->SetColor($this->fill_color); |
---|
4488 | $img->FilledCircle($x,$y,$this->width); |
---|
4489 | $img->SetColor($this->color); |
---|
4490 | $img->Circle($x,$y,$this->width); |
---|
4491 | } |
---|
4492 | elseif( $this->type==MARK_CROSS ) { |
---|
4493 | // Oversize by a pixel to match the X |
---|
4494 | $img->SetColor($this->color); |
---|
4495 | $img->SetLineWeight($this->weight); |
---|
4496 | $img->Line($x,$y+$dy+1,$x,$y-$dy-1); |
---|
4497 | $img->Line($x-$dx-1,$y,$x+$dx+1,$y); |
---|
4498 | } |
---|
4499 | elseif( $this->type==MARK_X ) { |
---|
4500 | $img->SetColor($this->color); |
---|
4501 | $img->SetLineWeight($this->weight); |
---|
4502 | $img->Line($x+$dx,$y+$dy,$x-$dx,$y-$dy); |
---|
4503 | $img->Line($x-$dx,$y+$dy,$x+$dx,$y-$dy); |
---|
4504 | } |
---|
4505 | elseif( $this->type==MARK_STAR ) { |
---|
4506 | $img->SetColor($this->color); |
---|
4507 | $img->SetLineWeight($this->weight); |
---|
4508 | $img->Line($x+$dx,$y+$dy,$x-$dx,$y-$dy); |
---|
4509 | $img->Line($x-$dx,$y+$dy,$x+$dx,$y-$dy); |
---|
4510 | // Oversize by a pixel to match the X |
---|
4511 | $img->Line($x,$y+$dy+1,$x,$y-$dy-1); |
---|
4512 | $img->Line($x-$dx-1,$y,$x+$dx+1,$y); |
---|
4513 | } |
---|
4514 | |
---|
4515 | // Stroke title |
---|
4516 | $this->title->Align("center","center"); |
---|
4517 | $this->title->Stroke($img,$x,$y); |
---|
4518 | } |
---|
4519 | } // Class |
---|
4520 | |
---|
4521 | //============================================================================== |
---|
4522 | // The following section contains classes to implement the "band" functionality |
---|
4523 | //============================================================================== |
---|
4524 | |
---|
4525 | // Utility class to hold coordinates for a rectangle |
---|
4526 | class Rectangle { |
---|
4527 | var $x,$y,$w,$h; |
---|
4528 | var $xe, $ye; |
---|
4529 | function Rectangle($aX,$aY,$aWidth,$aHeight) { |
---|
4530 | $this->x=$aX; |
---|
4531 | $this->y=$aY; |
---|
4532 | $this->w=$aWidth; |
---|
4533 | $this->h=$aHeight; |
---|
4534 | $this->xe=$aX+$aWidth-1; |
---|
4535 | $this->ye=$aY+$aHeight-1; |
---|
4536 | } |
---|
4537 | } |
---|
4538 | |
---|
4539 | //===================================================================== |
---|
4540 | // Class RectPattern |
---|
4541 | // Base class for pattern hierarchi that is used to display patterned |
---|
4542 | // bands on the graph. Any subclass that doesn't override Stroke() |
---|
4543 | // must at least implement method DoPattern(&$aImg) which is responsible |
---|
4544 | // for drawing the pattern onto the graph. |
---|
4545 | //===================================================================== |
---|
4546 | class RectPattern { |
---|
4547 | var $color; |
---|
4548 | var $weight; |
---|
4549 | var $rect=null; |
---|
4550 | var $doframe=true; |
---|
4551 | var $linespacing; // Line spacing in pixels |
---|
4552 | var $iBackgroundColor=-1; // Default is no background fill |
---|
4553 | |
---|
4554 | function RectPattern($aColor,$aWeight=1) { |
---|
4555 | $this->color = $aColor; |
---|
4556 | $this->weight = $aWeight; |
---|
4557 | } |
---|
4558 | |
---|
4559 | function SetBackground($aBackgroundColor) { |
---|
4560 | $this->iBackgroundColor=$aBackgroundColor; |
---|
4561 | } |
---|
4562 | |
---|
4563 | function SetPos(&$aRect) { |
---|
4564 | $this->rect = $aRect; |
---|
4565 | } |
---|
4566 | |
---|
4567 | function ShowFrame($aShow=true) { |
---|
4568 | $this->doframe=$aShow; |
---|
4569 | } |
---|
4570 | |
---|
4571 | function SetDensity($aDens) { |
---|
4572 | if( $aDens <1 || $aDens > 100 ) |
---|
4573 | JpGraphError::Raise("<b>JpGraph Error:</b> Desity for pattern must be between 1 and 100. (You tried $aDens)"); |
---|
4574 | // 1% corresponds to linespacing=50 |
---|
4575 | // 100 % corresponds to linespacing 1 |
---|
4576 | $this->linespacing = floor(((100-$aDens)/100.0)*50)+1; |
---|
4577 | |
---|
4578 | } |
---|
4579 | |
---|
4580 | function Stroke(&$aImg) { |
---|
4581 | if( $this->rect == null ) |
---|
4582 | JpGraphError::Raise("<b>JpGraph Error:</b> No positions specified for pattern."); |
---|
4583 | |
---|
4584 | if( !(is_numeric($this->iBackgroundColor) && $this->iBackgroundColor==-1) ) { |
---|
4585 | $aImg->SetColor($this->iBackgroundColor); |
---|
4586 | $aImg->FilledRectangle($this->rect->x,$this->rect->y,$this->rect->xe,$this->rect->ye); |
---|
4587 | } |
---|
4588 | |
---|
4589 | $aImg->SetColor($this->color); |
---|
4590 | $aImg->SetLineWeight($this->weight); |
---|
4591 | |
---|
4592 | // Virtual function implemented by subclass |
---|
4593 | $this->DoPattern($aImg); |
---|
4594 | |
---|
4595 | // Frame around the pattern area |
---|
4596 | if( $this->doframe ) |
---|
4597 | $aImg->Rectangle($this->rect->x,$this->rect->y,$this->rect->xe,$this->rect->ye); |
---|
4598 | } |
---|
4599 | |
---|
4600 | } |
---|
4601 | |
---|
4602 | |
---|
4603 | //===================================================================== |
---|
4604 | // Class RectPatternSolid |
---|
4605 | // Implements a solid band |
---|
4606 | //===================================================================== |
---|
4607 | class RectPatternSolid extends RectPattern { |
---|
4608 | |
---|
4609 | function RectPatternSolid($aColor="black",$aWeight=1) { |
---|
4610 | parent::RectPattern($aColor,$aWeight); |
---|
4611 | } |
---|
4612 | |
---|
4613 | function Stroke(&$aImg) { |
---|
4614 | $aImg->SetColor($this->color); |
---|
4615 | $aImg->FilledRectangle($this->rect->x,$this->rect->y, |
---|
4616 | $this->rect->xe,$this->rect->ye); |
---|
4617 | } |
---|
4618 | } |
---|
4619 | |
---|
4620 | //===================================================================== |
---|
4621 | // Class RectPatternHor |
---|
4622 | // Implements horizontal line pattern |
---|
4623 | //===================================================================== |
---|
4624 | class RectPatternHor extends RectPattern { |
---|
4625 | |
---|
4626 | function RectPatternHor($aColor="black",$aWeight=1,$aLineSpacing=7) { |
---|
4627 | parent::RectPattern($aColor,$aWeight); |
---|
4628 | $this->linespacing = $aLineSpacing; |
---|
4629 | } |
---|
4630 | |
---|
4631 | function DoPattern(&$aImg) { |
---|
4632 | $x0 = $this->rect->x; |
---|
4633 | $x1 = $this->rect->xe; |
---|
4634 | $y = $this->rect->y; |
---|
4635 | while( $y < $this->rect->ye ) { |
---|
4636 | $aImg->Line($x0,$y,$x1,$y); |
---|
4637 | $y += $this->linespacing; |
---|
4638 | } |
---|
4639 | } |
---|
4640 | } |
---|
4641 | |
---|
4642 | //===================================================================== |
---|
4643 | // Class RectPatternVert |
---|
4644 | // Implements vertical line pattern |
---|
4645 | //===================================================================== |
---|
4646 | class RectPatternVert extends RectPattern { |
---|
4647 | var $linespacing=10; // Line spacing in pixels |
---|
4648 | |
---|
4649 | function RectPatternVert($aColor="black",$aWeight=1,$aLineSpacing=7) { |
---|
4650 | parent::RectPattern($aColor,$aWeight); |
---|
4651 | $this->linespacing = $aLineSpacing; |
---|
4652 | } |
---|
4653 | |
---|
4654 | //-------------------- |
---|
4655 | // Private methods |
---|
4656 | // |
---|
4657 | function DoPattern(&$aImg) { |
---|
4658 | $x = $this->rect->x; |
---|
4659 | $y0 = $this->rect->y; |
---|
4660 | $y1 = $this->rect->ye; |
---|
4661 | while( $x < $this->rect->xe ) { |
---|
4662 | $aImg->Line($x,$y0,$x,$y1); |
---|
4663 | $x += $this->linespacing; |
---|
4664 | } |
---|
4665 | } |
---|
4666 | } |
---|
4667 | |
---|
4668 | |
---|
4669 | //===================================================================== |
---|
4670 | // Class RectPatternRDiag |
---|
4671 | // Implements right diagonal pattern |
---|
4672 | //===================================================================== |
---|
4673 | class RectPatternRDiag extends RectPattern { |
---|
4674 | var $linespacing; // Line spacing in pixels |
---|
4675 | |
---|
4676 | function RectPatternRDiag($aColor="black",$aWeight=1,$aLineSpacing=12) { |
---|
4677 | parent::RectPattern($aColor,$aWeight); |
---|
4678 | $this->linespacing = $aLineSpacing; |
---|
4679 | } |
---|
4680 | |
---|
4681 | function DoPattern(&$aImg) { |
---|
4682 | // -------------------- |
---|
4683 | // | / / / / /| |
---|
4684 | // |/ / / / / | |
---|
4685 | // | / / / / | |
---|
4686 | // -------------------- |
---|
4687 | $xe = $this->rect->xe; |
---|
4688 | $ye = $this->rect->ye; |
---|
4689 | $x0 = $this->rect->x + round($this->linespacing/2); |
---|
4690 | $y0 = $this->rect->y; |
---|
4691 | $x1 = $this->rect->x; |
---|
4692 | $y1 = $this->rect->y + round($this->linespacing/2); |
---|
4693 | |
---|
4694 | while($x0<=$xe && $y1<=$ye) { |
---|
4695 | $aImg->Line($x0,$y0,$x1,$y1); |
---|
4696 | $x0 += $this->linespacing; |
---|
4697 | $y1 += $this->linespacing; |
---|
4698 | } |
---|
4699 | |
---|
4700 | $x1 = $this->rect->x + ($y1-$ye); |
---|
4701 | //$x1 = $this->rect->x +$this->linespacing; |
---|
4702 | $y0=$this->rect->y; $y1=$ye; |
---|
4703 | while( $x0 <= $xe ) { |
---|
4704 | $aImg->Line($x0,$y0,$x1,$y1); |
---|
4705 | $x0 += $this->linespacing; |
---|
4706 | $x1 += $this->linespacing; |
---|
4707 | } |
---|
4708 | |
---|
4709 | $y0=$this->rect->y + ($x0-$xe); |
---|
4710 | $x0=$xe; |
---|
4711 | while( $y0 <= $ye ) { |
---|
4712 | $aImg->Line($x0,$y0,$x1,$y1); |
---|
4713 | $y0 += $this->linespacing; |
---|
4714 | $x1 += $this->linespacing; |
---|
4715 | } |
---|
4716 | } |
---|
4717 | |
---|
4718 | } |
---|
4719 | |
---|
4720 | //===================================================================== |
---|
4721 | // Class RectPatternLDiag |
---|
4722 | // Implements left diagonal pattern |
---|
4723 | //===================================================================== |
---|
4724 | class RectPatternLDiag extends RectPattern { |
---|
4725 | var $linespacing; // Line spacing in pixels |
---|
4726 | |
---|
4727 | function RectPatternLDiag($aColor="black",$aWeight=1,$aLineSpacing=12) { |
---|
4728 | $this->linespacing = $aLineSpacing; |
---|
4729 | parent::RectPattern($aColor,$aWeight); |
---|
4730 | } |
---|
4731 | |
---|
4732 | function DoPattern(&$aImg) { |
---|
4733 | // -------------------- |
---|
4734 | // |\ \ \ \ \ | |
---|
4735 | // | \ \ \ \ \| |
---|
4736 | // | \ \ \ \ | |
---|
4737 | // |------------------| |
---|
4738 | $xe = $this->rect->xe; |
---|
4739 | $ye = $this->rect->ye; |
---|
4740 | $x0 = $this->rect->x + round($this->linespacing/2); |
---|
4741 | $y0 = $this->rect->ye; |
---|
4742 | $x1 = $this->rect->x; |
---|
4743 | $y1 = $this->rect->ye - round($this->linespacing/2); |
---|
4744 | |
---|
4745 | while($x0<=$xe && $y1>=$this->rect->y) { |
---|
4746 | $aImg->Line($x0,$y0,$x1,$y1); |
---|
4747 | $x0 += $this->linespacing; |
---|
4748 | $y1 -= $this->linespacing; |
---|
4749 | } |
---|
4750 | |
---|
4751 | $x1 = $this->rect->x + ($this->rect->y-$y1); |
---|
4752 | $y0=$ye; $y1=$this->rect->y; |
---|
4753 | while( $x0 <= $xe ) { |
---|
4754 | $aImg->Line($x0,$y0,$x1,$y1); |
---|
4755 | $x0 += $this->linespacing; |
---|
4756 | $x1 += $this->linespacing; |
---|
4757 | } |
---|
4758 | |
---|
4759 | $y0=$this->rect->ye - ($x0-$xe); |
---|
4760 | $x0=$xe; |
---|
4761 | while( $y0 >= $this->rect->y ) { |
---|
4762 | $aImg->Line($x0,$y0,$x1,$y1); |
---|
4763 | $y0 -= $this->linespacing; |
---|
4764 | $x1 += $this->linespacing; |
---|
4765 | } |
---|
4766 | } |
---|
4767 | } |
---|
4768 | |
---|
4769 | //===================================================================== |
---|
4770 | // Class RectPattern3DPlane |
---|
4771 | // Implements "3D" plane pattern |
---|
4772 | //===================================================================== |
---|
4773 | class RectPattern3DPlane extends RectPattern { |
---|
4774 | var $alpha=50; // Parameter that specifies the distance |
---|
4775 | // to "simulated" horizon in pixel from the |
---|
4776 | // top of the band. Specifies how fast the lines |
---|
4777 | // converge. |
---|
4778 | |
---|
4779 | function RectPattern3DPlane($aColor="black",$aWeight=1) { |
---|
4780 | parent::RectPattern($aColor,$aWeight); |
---|
4781 | $this->SetDensity(10); // Slightly larger default |
---|
4782 | } |
---|
4783 | |
---|
4784 | function SetHorizon($aHorizon) { |
---|
4785 | $this->alpha=$aHorizon; |
---|
4786 | } |
---|
4787 | |
---|
4788 | function DoPattern(&$aImg) { |
---|
4789 | // "Fake" a nice 3D grid-effect. |
---|
4790 | $x0 = $this->rect->x + $this->rect->w/2; |
---|
4791 | $y0 = $this->rect->y; |
---|
4792 | $x1 = $x0; |
---|
4793 | $y1 = $this->rect->ye; |
---|
4794 | $x0_right = $x0; |
---|
4795 | $x1_right = $x1; |
---|
4796 | |
---|
4797 | // BTW "apa" means monkey in Swedish but is really a shortform for |
---|
4798 | // "alpha+a" which was the labels I used on paper when I derived the |
---|
4799 | // geometric to get the 3D perspective right. |
---|
4800 | // $apa is the height of the bounding rectangle plus the distance to the |
---|
4801 | // artifical horizon (alpha) |
---|
4802 | $apa = $this->rect->h + $this->alpha; |
---|
4803 | |
---|
4804 | // Three cases and three loops |
---|
4805 | // 1) The endpoint of the line ends on the bottom line |
---|
4806 | // 2) The endpoint ends on the side |
---|
4807 | // 3) Horizontal lines |
---|
4808 | |
---|
4809 | // Endpoint falls on bottom line |
---|
4810 | $middle=$this->rect->x + $this->rect->w/2; |
---|
4811 | $dist=$this->linespacing; |
---|
4812 | $factor=$this->alpha /($apa); |
---|
4813 | while($x1>$this->rect->x) { |
---|
4814 | $aImg->Line($x0,$y0,$x1,$y1); |
---|
4815 | $aImg->Line($x0_right,$y0,$x1_right,$y1); |
---|
4816 | $x1 = $middle - $dist; |
---|
4817 | $x0 = $middle - $dist * $factor; |
---|
4818 | $x1_right = $middle + $dist; |
---|
4819 | $x0_right = $middle + $dist * $factor; |
---|
4820 | $dist += $this->linespacing; |
---|
4821 | } |
---|
4822 | |
---|
4823 | // Endpoint falls on sides |
---|
4824 | $dist -= $this->linespacing; |
---|
4825 | $d=$this->rect->w/2; |
---|
4826 | $c = $apa - $d*$apa/$dist; |
---|
4827 | while( $x0>$this->rect->x ) { |
---|
4828 | $aImg->Line($x0,$y0,$this->rect->x,$this->rect->ye-$c); |
---|
4829 | $aImg->Line($x0_right,$y0,$this->rect->xe,$this->rect->ye-$c); |
---|
4830 | $dist += $this->linespacing; |
---|
4831 | $x0 = $middle - $dist * $factor; |
---|
4832 | $x1 = $middle - $dist; |
---|
4833 | $x0_right = $middle + $dist * $factor; |
---|
4834 | $c = $apa - $d*$apa/$dist; |
---|
4835 | } |
---|
4836 | |
---|
4837 | // Horizontal lines |
---|
4838 | // They need some serious consideration since they are a function |
---|
4839 | // of perspective depth (alpha) and density (linespacing) |
---|
4840 | $x0=$this->rect->x; |
---|
4841 | $x1=$this->rect->xe; |
---|
4842 | $y=$this->rect->ye; |
---|
4843 | |
---|
4844 | // The first line is drawn directly. Makes the loop below slightly |
---|
4845 | // more readable. |
---|
4846 | $aImg->Line($x0,$y,$x1,$y); |
---|
4847 | $hls = $this->linespacing; |
---|
4848 | |
---|
4849 | // A correction factor for vertical "brick" line spacing to account for |
---|
4850 | // a) the difference in number of pixels hor vs vert |
---|
4851 | // b) visual apperance to make the first layer of "bricks" look more |
---|
4852 | // square. |
---|
4853 | $vls = $this->linespacing*0.6; |
---|
4854 | |
---|
4855 | $ds = $hls*($apa-$vls)/$apa; |
---|
4856 | // Get the slope for the "perspective line" going from bottom right |
---|
4857 | // corner to top left corner of the "first" brick. |
---|
4858 | |
---|
4859 | // Uncomment the following lines if you want to get a visual understanding |
---|
4860 | // of what this helpline does. BTW this mimics the way you would get the |
---|
4861 | // perspective right when drawing on paper. |
---|
4862 | /* |
---|
4863 | $x0 = $middle; |
---|
4864 | $y0 = $this->rect->ye; |
---|
4865 | $len=floor(($this->rect->ye-$this->rect->y)/$vls); |
---|
4866 | $x1 = $middle-round($len*$ds); |
---|
4867 | $y1 = $this->rect->ye-$len*$vls; |
---|
4868 | $aImg->PushColor("red"); |
---|
4869 | $aImg->Line($x0,$y0,$x1,$y1); |
---|
4870 | $aImg->PopColor(); |
---|
4871 | */ |
---|
4872 | |
---|
4873 | $y -= $vls; |
---|
4874 | $k=($this->rect->ye-($this->rect->ye-$vls))/($middle-($middle-$ds)); |
---|
4875 | $dist = $hls; |
---|
4876 | while( $y>$this->rect->y ) { |
---|
4877 | $aImg->Line($this->rect->x,$y,$this->rect->xe,$y); |
---|
4878 | $adj = $k*$dist/(1+$dist*$k/$apa); |
---|
4879 | if( $adj < 2 ) $adj=2; |
---|
4880 | $y = $this->rect->ye - round($adj); |
---|
4881 | $dist += $hls; |
---|
4882 | } |
---|
4883 | } |
---|
4884 | } |
---|
4885 | |
---|
4886 | //===================================================================== |
---|
4887 | // Class RectPatternCross |
---|
4888 | // Vert/Hor crosses |
---|
4889 | //===================================================================== |
---|
4890 | class RectPatternCross extends RectPattern { |
---|
4891 | var $vert=null; |
---|
4892 | var $hor=null; |
---|
4893 | function RectPatternCross($aColor="black",$aWeight=1) { |
---|
4894 | parent::RectPattern($aColor,$aWeight); |
---|
4895 | $this->vert = new RectPatternVert($aColor,$aWeight); |
---|
4896 | $this->hor = new RectPatternHor($aColor,$aWeight); |
---|
4897 | } |
---|
4898 | |
---|
4899 | function SetOrder($aDepth) { |
---|
4900 | $this->vert->SetOrder($aDepth); |
---|
4901 | $this->hor->SetOrder($aDepth); |
---|
4902 | } |
---|
4903 | |
---|
4904 | function SetPos(&$aRect) { |
---|
4905 | parent::SetPos($aRect); |
---|
4906 | $this->vert->SetPos($aRect); |
---|
4907 | $this->hor->SetPos($aRect); |
---|
4908 | } |
---|
4909 | |
---|
4910 | function SetDensity($aDens) { |
---|
4911 | $this->vert->SetDensity($aDens); |
---|
4912 | $this->hor->SetDensity($aDens); |
---|
4913 | } |
---|
4914 | |
---|
4915 | function DoPattern(&$aImg) { |
---|
4916 | $this->vert->DoPattern($aImg); |
---|
4917 | $this->hor->DoPattern($aImg); |
---|
4918 | } |
---|
4919 | } |
---|
4920 | |
---|
4921 | //===================================================================== |
---|
4922 | // Class RectPatternDiagCross |
---|
4923 | // Vert/Hor crosses |
---|
4924 | //===================================================================== |
---|
4925 | |
---|
4926 | class RectPatternDiagCross extends RectPattern { |
---|
4927 | var $left=null; |
---|
4928 | var $right=null; |
---|
4929 | function RectPatternDiagCross($aColor="black",$aWeight=1) { |
---|
4930 | parent::RectPattern($aColor,$aWeight); |
---|
4931 | $this->right = new RectPatternRDiag($aColor,$aWeight); |
---|
4932 | $this->left = new RectPatternLDiag($aColor,$aWeight); |
---|
4933 | } |
---|
4934 | |
---|
4935 | function SetOrder($aDepth) { |
---|
4936 | $this->left->SetOrder($aDepth); |
---|
4937 | $this->right->SetOrder($aDepth); |
---|
4938 | } |
---|
4939 | |
---|
4940 | function SetPos(&$aRect) { |
---|
4941 | parent::SetPos($aRect); |
---|
4942 | $this->left->SetPos($aRect); |
---|
4943 | $this->right->SetPos($aRect); |
---|
4944 | } |
---|
4945 | |
---|
4946 | function SetDensity($aDens) { |
---|
4947 | $this->left->SetDensity($aDens); |
---|
4948 | $this->right->SetDensity($aDens); |
---|
4949 | } |
---|
4950 | |
---|
4951 | function DoPattern(&$aImg) { |
---|
4952 | $this->left->DoPattern($aImg); |
---|
4953 | $this->right->DoPattern($aImg); |
---|
4954 | } |
---|
4955 | |
---|
4956 | } |
---|
4957 | |
---|
4958 | //===================================================================== |
---|
4959 | // Class RectPatternFactory |
---|
4960 | // Factory class for rectangular pattern |
---|
4961 | //===================================================================== |
---|
4962 | class RectPatternFactory { |
---|
4963 | function RectPatternFactory() { |
---|
4964 | // Empty |
---|
4965 | } |
---|
4966 | function Create($aPattern,$aColor,$aWeight=1) { |
---|
4967 | switch($aPattern) { |
---|
4968 | case BAND_RDIAG: |
---|
4969 | $obj = new RectPatternRDiag($aColor,$aWeight); |
---|
4970 | break; |
---|
4971 | case BAND_LDIAG: |
---|
4972 | $obj = new RectPatternLDiag($aColor,$aWeight); |
---|
4973 | break; |
---|
4974 | case BAND_SOLID: |
---|
4975 | $obj = new RectPatternSolid($aColor,$aWeight); |
---|
4976 | break; |
---|
4977 | case BAND_LVERT: |
---|
4978 | $obj = new RectPatternVert($aColor,$aWeight); |
---|
4979 | break; |
---|
4980 | case BAND_LHOR: |
---|
4981 | $obj = new RectPatternHor($aColor,$aWeight); |
---|
4982 | break; |
---|
4983 | case BAND_3DPLANE: |
---|
4984 | $obj = new RectPattern3DPlane($aColor,$aWeight); |
---|
4985 | break; |
---|
4986 | case BAND_HVCROSS: |
---|
4987 | $obj = new RectPatternCross($aColor,$aWeight); |
---|
4988 | break; |
---|
4989 | case BAND_DIAGCROSS: |
---|
4990 | $obj = new RectPatternDiagCross($aColor,$aWeight); |
---|
4991 | break; |
---|
4992 | default: |
---|
4993 | JpGraphError::Raise("<b>JpGraph Error:</b> Unknown pattern specification ($aPattern)"); |
---|
4994 | } |
---|
4995 | return $obj; |
---|
4996 | } |
---|
4997 | } |
---|
4998 | |
---|
4999 | |
---|
5000 | //===================================================================== |
---|
5001 | // Class PlotBand |
---|
5002 | // Factory class which is used by the client. |
---|
5003 | // It is reposnsible for factoring the corresponding pattern |
---|
5004 | // concrete class. |
---|
5005 | //===================================================================== |
---|
5006 | class PlotBand { |
---|
5007 | var $prect=null; |
---|
5008 | var $depth; |
---|
5009 | |
---|
5010 | function PlotBand($aDir,$aPattern,$aMin,$aMax,$aColor="black",$aWeight=1,$aDepth=DEPTH_BACK) { |
---|
5011 | $f = new RectPatternFactory(); |
---|
5012 | $this->prect = $f->Create($aPattern,$aColor,$aWeight); |
---|
5013 | $this->dir = $aDir; |
---|
5014 | $this->min = $aMin; |
---|
5015 | $this->max = $aMax; |
---|
5016 | $this->depth=$aDepth; |
---|
5017 | } |
---|
5018 | |
---|
5019 | // Set position. aRect contains absolute image coordinates |
---|
5020 | function SetPos(&$aRect) { |
---|
5021 | assert( $this->prect != null ) ; |
---|
5022 | $this->prect->SetPos($aRect); |
---|
5023 | } |
---|
5024 | |
---|
5025 | function ShowFrame($aFlag=true) { |
---|
5026 | $this->prect->ShowFrame($aFlag); |
---|
5027 | } |
---|
5028 | |
---|
5029 | // Set z-order. In front of pplot or in the back |
---|
5030 | function SetOrder($aDepth) { |
---|
5031 | $this->depth=$aDepth; |
---|
5032 | } |
---|
5033 | |
---|
5034 | function SetDensity($aDens) { |
---|
5035 | $this->prect->SetDensity($aDens); |
---|
5036 | } |
---|
5037 | |
---|
5038 | function GetDir() { |
---|
5039 | return $this->dir; |
---|
5040 | } |
---|
5041 | |
---|
5042 | function GetMin() { |
---|
5043 | return $this->min; |
---|
5044 | } |
---|
5045 | |
---|
5046 | function GetMax() { |
---|
5047 | return $this->max; |
---|
5048 | } |
---|
5049 | |
---|
5050 | // Display band |
---|
5051 | function Stroke(&$aImg,&$aXScale,&$aYScale) { |
---|
5052 | assert( $this->prect != null ) ; |
---|
5053 | if( $this->dir == HORIZONTAL ) { |
---|
5054 | if( !is_numeric($this->min) && $this->min == "min" ) $this->min = $aYScale->GetMinVal(); |
---|
5055 | if( !is_numeric($this->max) && $this->max == "max" ) $this->max = $aYScale->GetMaxVal(); |
---|
5056 | $x=$aXScale->scale_abs[0]; |
---|
5057 | $y=$aYScale->Translate($this->max); |
---|
5058 | $width=$aXScale->scale_abs[1]-$aXScale->scale_abs[0]+1; |
---|
5059 | $height=abs($y-$aYScale->Translate($this->min))+1; |
---|
5060 | $this->prect->SetPos(new Rectangle($x,$y,$width,$height)); |
---|
5061 | } |
---|
5062 | else { // VERTICAL |
---|
5063 | if( !is_numeric($this->min) && $this->min == "min" ) $this->min = $aXScale->GetMinVal(); |
---|
5064 | if( !is_numeric($this->max) && $this->max == "max" ) $this->max = $aXScale->GetMaxVal(); |
---|
5065 | $y=$aYScale->scale_abs[1]; |
---|
5066 | $x=$aXScale->Translate($this->min); |
---|
5067 | $height=abs($aYScale->scale_abs[1]-$aYScale->scale_abs[0]); |
---|
5068 | $width=abs($x-$aXScale->Translate($this->max)); |
---|
5069 | $this->prect->SetPos(new Rectangle($x,$y,$width,$height)); |
---|
5070 | } |
---|
5071 | $this->prect->Stroke($aImg); |
---|
5072 | } |
---|
5073 | } |
---|
5074 | |
---|
5075 | //=================================================== |
---|
5076 | // CLASS PlotLine |
---|
5077 | // Description: |
---|
5078 | // Data container class to hold properties for a static |
---|
5079 | // line that is drawn directly in the plot area. |
---|
5080 | // Usefull to add static borders inside a plot to show |
---|
5081 | // for example set-values |
---|
5082 | //=================================================== |
---|
5083 | class PlotLine { |
---|
5084 | var $weight=1; |
---|
5085 | var $color="black"; |
---|
5086 | var $direction=-1; |
---|
5087 | var $scaleposition; |
---|
5088 | |
---|
5089 | //--------------- |
---|
5090 | // CONSTRUCTOR |
---|
5091 | function PlotLine($aDir=HORIZONTAL,$aPos=0,$aColor="black",$aWeight=1) { |
---|
5092 | $this->direction = $aDir; |
---|
5093 | $this->color=$aColor; |
---|
5094 | $this->weight=$aWeight; |
---|
5095 | $this->scaleposition=$aPos; |
---|
5096 | } |
---|
5097 | |
---|
5098 | //--------------- |
---|
5099 | // PUBLIC METHODS |
---|
5100 | function SetPosition($aScalePosition) { |
---|
5101 | $this->scaleposition=$aScalePosition; |
---|
5102 | } |
---|
5103 | |
---|
5104 | function SetDirection($aDir) { |
---|
5105 | $this->direction = $aDir; |
---|
5106 | } |
---|
5107 | |
---|
5108 | function SetColor($aColor) { |
---|
5109 | $this->color=$aColor; |
---|
5110 | } |
---|
5111 | |
---|
5112 | function SetWeight($aWeight) { |
---|
5113 | $this->weight=$aWeight; |
---|
5114 | } |
---|
5115 | |
---|
5116 | function Stroke(&$aImg,&$aXScale,&$aYScale) { |
---|
5117 | $aImg->SetColor($this->color); |
---|
5118 | $aImg->SetLineWeight($this->weight); |
---|
5119 | if( $this->direction == VERTICAL ) { |
---|
5120 | $ymin_abs=$aYScale->Translate($aYScale->GetMinVal()); |
---|
5121 | $ymax_abs=$aYScale->Translate($aYScale->GetMaxVal()); |
---|
5122 | $xpos_abs=$aXScale->Translate($this->scaleposition); |
---|
5123 | $aImg->Line($xpos_abs, $ymin_abs, $xpos_abs, $ymax_abs); |
---|
5124 | } |
---|
5125 | elseif( $this->direction == HORIZONTAL ) { |
---|
5126 | $xmin_abs=$aXScale->Translate($aXScale->GetMinVal()); |
---|
5127 | $xmax_abs=$aXScale->Translate($aXScale->GetMaxVal()); |
---|
5128 | $ypos_abs=$aYScale->Translate($this->scaleposition); |
---|
5129 | $aImg->Line($xmin_abs, $ypos_abs, $xmax_abs, $ypos_abs); |
---|
5130 | } |
---|
5131 | else |
---|
5132 | JpGraphError::Raise("<b>JpGraph Error:</b> Illegal direction for static line"); |
---|
5133 | } |
---|
5134 | } |
---|
5135 | |
---|
5136 | // <EOF> |
---|
5137 | ?> |
---|