1 | <?php
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2 | /**
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3 | * DOMPDF - PHP5 HTML to PDF renderer
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4 | *
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5 | * File: $RCSfile: cpdf_adapter.cls.php,v $
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6 | * Created on: 2004-08-04
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7 | * Modified on: 2008-01-05
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8 | *
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9 | * Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca>
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10 | * Portions copyright (c) 2008 - Orion Richardson <orionr@yahoo.com>
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11 | *
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12 | * This library is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU Lesser General Public
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14 | * License as published by the Free Software Foundation; either
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15 | * version 2.1 of the License, or (at your option) any later version.
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16 | *
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17 | * This library is distributed in the hope that it will be useful,
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18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * Lesser General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU Lesser General Public License
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23 | * along with this library in the file LICENSE.LGPL; if not, write to the
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24 | * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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25 | * 02111-1307 USA
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26 | *
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27 | * Alternatively, you may distribute this software under the terms of the
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28 | * PHP License, version 3.0 or later. A copy of this license should have
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29 | * been distributed with this file in the file LICENSE.PHP . If this is not
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30 | * the case, you can obtain a copy at http://www.php.net/license/3_0.txt.
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31 | *
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32 | * The latest version of DOMPDF might be available at:
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33 | * http://www.digitaljunkies.ca/dompdf
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34 | *
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35 | * @link http://www.digitaljunkies.ca/dompdf
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36 | * @copyright 2004 Benj Carson
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37 | * @author Benj Carson <benjcarson@digitaljunkies.ca>
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38 | * @contributor Orion Richardson <orionr@yahoo.com>
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39 | * @contributor Helmut Tischer <htischer@weihenstephan.org>
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40 | * @package dompdf
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41 | * @version 0.5.1
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42 | *
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43 | * Changes
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44 | * @contributor Helmut Tischer <htischer@weihenstephan.org>
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45 | * @version 0.5.1.htischer.20090507
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46 | * - On gif to png conversion tmp file creation, clarify tmp name and add to tmp deletion list only on success
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47 | * - On gif to png conversion, when available add direct from gd without tmp file, skip image load if already cached.
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48 | * to safe CPU time and memory
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49 | * @contributor Helmut Tischer <htischer@weihenstephan.org>
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50 | * @version dompdf_trunk_with_helmut_mods.20090524
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51 | * - Pass temp and fontcache folders to Cpdf, to making Cpdf independent from dompdf
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52 | * @version dompdf_trunk_with_helmut_mods.20090528
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53 | * - fix text position according to glyph baseline to match background rectangle
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54 | */
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55 |
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56 | /* $Id: cpdf_adapter.cls.php 186 2009-10-19 22:42:06Z eclecticgeek@gmail.com $ */
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57 |
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58 | // FIXME: Need to sanity check inputs to this class
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59 | require_once(DOMPDF_LIB_DIR . "/class.pdf.php");
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60 |
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61 | /**
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62 | * PDF rendering interface
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63 | *
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64 | * CPDF_Adapter provides a simple stateless interface to the stateful one
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65 | * provided by the Cpdf class.
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66 | *
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67 | * Unless otherwise mentioned, all dimensions are in points (1/72 in). The
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68 | * coordinate origin is in the top left corner, and y values increase
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69 | * downwards.
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70 | *
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71 | * See {@link http://www.ros.co.nz/pdf/} for more complete documentation
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72 | * on the underlying {@link Cpdf} class.
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73 | *
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74 | * @package dompdf
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75 | */
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76 | class CPDF_Adapter implements Canvas {
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77 |
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78 | /**
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79 | * Dimensions of paper sizes in points
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80 | *
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81 | * @var array;
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82 | */
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83 | static $PAPER_SIZES = array("4a0" => array(0,0,4767.87,6740.79),
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84 | "2a0" => array(0,0,3370.39,4767.87),
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85 | "a0" => array(0,0,2383.94,3370.39),
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86 | "a1" => array(0,0,1683.78,2383.94),
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87 | "a2" => array(0,0,1190.55,1683.78),
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88 | "a3" => array(0,0,841.89,1190.55),
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89 | "a4" => array(0,0,595.28,841.89),
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90 | "a5" => array(0,0,419.53,595.28),
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91 | "a6" => array(0,0,297.64,419.53),
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92 | "a7" => array(0,0,209.76,297.64),
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93 | "a8" => array(0,0,147.40,209.76),
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94 | "a9" => array(0,0,104.88,147.40),
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95 | "a10" => array(0,0,73.70,104.88),
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96 | "b0" => array(0,0,2834.65,4008.19),
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97 | "b1" => array(0,0,2004.09,2834.65),
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98 | "b2" => array(0,0,1417.32,2004.09),
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99 | "b3" => array(0,0,1000.63,1417.32),
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100 | "b4" => array(0,0,708.66,1000.63),
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101 | "b5" => array(0,0,498.90,708.66),
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102 | "b6" => array(0,0,354.33,498.90),
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103 | "b7" => array(0,0,249.45,354.33),
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104 | "b8" => array(0,0,175.75,249.45),
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105 | "b9" => array(0,0,124.72,175.75),
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106 | "b10" => array(0,0,87.87,124.72),
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107 | "c0" => array(0,0,2599.37,3676.54),
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108 | "c1" => array(0,0,1836.85,2599.37),
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109 | "c2" => array(0,0,1298.27,1836.85),
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110 | "c3" => array(0,0,918.43,1298.27),
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111 | "c4" => array(0,0,649.13,918.43),
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112 | "c5" => array(0,0,459.21,649.13),
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113 | "c6" => array(0,0,323.15,459.21),
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114 | "c7" => array(0,0,229.61,323.15),
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115 | "c8" => array(0,0,161.57,229.61),
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116 | "c9" => array(0,0,113.39,161.57),
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117 | "c10" => array(0,0,79.37,113.39),
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118 | "ra0" => array(0,0,2437.80,3458.27),
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119 | "ra1" => array(0,0,1729.13,2437.80),
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120 | "ra2" => array(0,0,1218.90,1729.13),
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121 | "ra3" => array(0,0,864.57,1218.90),
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122 | "ra4" => array(0,0,609.45,864.57),
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123 | "sra0" => array(0,0,2551.18,3628.35),
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124 | "sra1" => array(0,0,1814.17,2551.18),
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125 | "sra2" => array(0,0,1275.59,1814.17),
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126 | "sra3" => array(0,0,907.09,1275.59),
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127 | "sra4" => array(0,0,637.80,907.09),
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128 | "letter" => array(0,0,612.00,792.00),
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129 | "legal" => array(0,0,612.00,1008.00),
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130 | "ledger" => array(0,0,1224.00, 792.00),
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131 | "tabloid" => array(0,0,792.00, 1224.00),
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132 | "executive" => array(0,0,521.86,756.00),
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133 | "folio" => array(0,0,612.00,936.00),
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134 | "commerical #10 envelope" => array(0,0,684,297),
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135 | "catalog #10 1/2 envelope" => array(0,0,648,864),
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136 | "8.5x11" => array(0,0,612.00,792.00),
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137 | "8.5x14" => array(0,0,612.00,1008.0),
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138 | "11x17" => array(0,0,792.00, 1224.00));
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139 |
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140 |
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141 | /**
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142 | * Instance of Cpdf class
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143 | *
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144 | * @var Cpdf
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145 | */
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146 | private $_pdf;
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147 |
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148 | /**
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149 | * PDF width, in points
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150 | *
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151 | * @var float
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152 | */
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153 | private $_width;
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154 |
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155 | /**
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156 | * PDF height, in points
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157 | *
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158 | * @var float;
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159 | */
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160 | private $_height;
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161 |
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162 | /**
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163 | * Current page number
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164 | *
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165 | * @var int
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166 | */
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167 | private $_page_number;
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168 |
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169 | /**
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170 | * Total number of pages
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171 | *
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172 | * @var int
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173 | */
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174 | private $_page_count;
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175 |
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176 | /**
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177 | * Text to display on every page
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178 | *
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179 | * @var array
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180 | */
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181 | private $_page_text;
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182 |
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183 | /**
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184 | * Array of pages for accesing after rendering is initially complete
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185 | *
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186 | * @var array
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187 | */
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188 | private $_pages;
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189 |
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190 | /**
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191 | * Array of temporary cached images to be deleted when processing is complete
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192 | *
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193 | * @var array
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194 | */
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195 | private $_image_cache;
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196 |
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197 | /**
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198 | * Class constructor
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199 | *
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200 | * @param mixed $paper The size of paper to use in this PDF ({@link CPDF_Adapter::$PAPER_SIZES})
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201 | * @param string $orientation The orienation of the document (either 'landscape' or 'portrait')
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202 | */
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203 | function __construct($paper = "letter", $orientation = "portrait") {
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204 |
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205 | if ( is_array($paper) )
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206 | $size = $paper;
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207 | else if ( isset(self::$PAPER_SIZES[mb_strtolower($paper)]) )
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208 | $size = self::$PAPER_SIZES[mb_strtolower($paper)];
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209 | else
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210 | $size = self::$PAPER_SIZES["letter"];
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211 |
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212 | if ( mb_strtolower($orientation) == "landscape" ) {
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213 | $a = $size[3];
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214 | $size[3] = $size[2];
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215 | $size[2] = $a;
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216 | }
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217 |
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218 | $this->_pdf = new Cpdf($size, DOMPDF_UNICODE_ENABLED, DOMPDF_FONT_CACHE, DOMPDF_TEMP_DIR);
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219 | $this->_pdf->addInfo("Creator", "dompdf");
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220 |
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221 | // Silence pedantic warnings about missing TZ settings
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222 | if ( function_exists("date_default_timezone_get") ) {
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223 | $tz = @date_default_timezone_get();
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224 | date_default_timezone_set("UTC");
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225 | $this->_pdf->addInfo("CreationDate", date("Y-m-d"));
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226 | date_default_timezone_set($tz);
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227 |
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228 | } else {
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229 | $this->_pdf->addInfo("CreationDate", date("Y-m-d"));
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230 | }
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231 |
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232 | $this->_width = $size[2] - $size[0];
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233 | $this->_height= $size[3] - $size[1];
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234 | $this->_pdf->openHere('Fit');
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235 |
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236 | $this->_page_number = $this->_page_count = 1;
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237 | $this->_page_text = array();
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238 |
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239 | $this->_pages = array($this->_pdf->getFirstPageId());
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240 |
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241 | $this->_image_cache = array();
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242 | }
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243 |
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244 | /**
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245 | * Class destructor
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246 | *
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247 | * Deletes all temporary image files
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248 | */
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249 | function __destruct() {
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250 | foreach ($this->_image_cache as $img) {
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251 | //debugpng
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252 | if (DEBUGPNG) print '[__destruct unlink '.$img.']';
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253 | if (!DEBUGKEEPTEMP)
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254 | unlink($img);
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255 | }
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256 | }
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257 |
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258 | /**
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259 | * Returns the Cpdf instance
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260 | *
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261 | * @return Cpdf
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262 | */
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263 | function get_cpdf() { return $this->_pdf; }
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264 |
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265 | /**
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266 | * Add meta information to the PDF
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267 | *
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268 | * @param string $label label of the value (Creator, Producter, etc.)
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269 | * @param string $value the text to set
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270 | */
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271 | function add_info($label, $value) {
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272 | $this->_pdf->addInfo($label, $value);
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273 | }
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274 |
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275 | /**
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276 | * Opens a new 'object'
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277 | *
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278 | * While an object is open, all drawing actions are recored in the object,
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279 | * as opposed to being drawn on the current page. Objects can be added
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280 | * later to a specific page or to several pages.
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281 | *
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282 | * The return value is an integer ID for the new object.
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283 | *
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284 | * @see CPDF_Adapter::close_object()
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285 | * @see CPDF_Adapter::add_object()
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286 | *
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287 | * @return int
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288 | */
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289 | function open_object() {
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290 | $ret = $this->_pdf->openObject();
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291 | $this->_pdf->saveState();
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292 | return $ret;
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293 | }
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294 |
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295 | /**
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296 | * Reopens an existing 'object'
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297 | *
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298 | * @see CPDF_Adapter::open_object()
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299 | * @param int $object the ID of a previously opened object
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300 | */
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301 | function reopen_object($object) {
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302 | $this->_pdf->reopenObject($object);
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303 | $this->_pdf->saveState();
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304 | }
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305 |
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306 | /**
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307 | * Closes the current 'object'
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308 | *
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309 | * @see CPDF_Adapter::open_object()
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310 | */
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311 | function close_object() {
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312 | $this->_pdf->restoreState();
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313 | $this->_pdf->closeObject();
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314 | }
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315 |
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316 | /**
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317 | * Adds a specified 'object' to the document
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318 | *
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319 | * $object int specifying an object created with {@link
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320 | * CPDF_Adapter::open_object()}. $where can be one of:
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321 | * - 'add' add to current page only
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322 | * - 'all' add to every page from the current one onwards
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323 | * - 'odd' add to all odd numbered pages from now on
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324 | * - 'even' add to all even numbered pages from now on
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325 | * - 'next' add the object to the next page only
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326 | * - 'nextodd' add to all odd numbered pages from the next one
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327 | * - 'nexteven' add to all even numbered pages from the next one
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328 | *
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329 | * @see Cpdf::addObject()
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330 | *
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331 | * @param int $object
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332 | * @param string $where
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333 | */
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334 | function add_object($object, $where = 'all') {
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335 | $this->_pdf->addObject($object, $where);
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336 | }
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337 |
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338 | /**
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339 | * Stops the specified 'object' from appearing in the document.
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340 | *
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341 | * The object will stop being displayed on the page following the current
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342 | * one.
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343 | *
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344 | * @param int $object
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345 | */
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346 | function stop_object($object) {
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347 | $this->_pdf->stopObject($object);
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348 | }
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349 |
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350 | /**
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351 | * @access private
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352 | */
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353 | function serialize_object($id) {
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354 | // Serialize the pdf object's current state for retrieval later
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355 | return $this->_pdf->serializeObject($id);
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356 | }
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357 |
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358 | /**
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359 | * @access private
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360 | */
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361 | function reopen_serialized_object($obj) {
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362 | return $this->_pdf->restoreSerializedObject($obj);
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363 | }
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364 |
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365 | //........................................................................
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366 |
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367 | /**
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368 | * Returns the PDF's width in points
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369 | * @return float
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370 | */
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371 | function get_width() { return $this->_width; }
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372 |
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373 | /**
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374 | * Returns the PDF's height in points
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375 | * @return float
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376 | */
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377 | function get_height() { return $this->_height; }
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378 |
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379 | /**
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380 | * Returns the current page number
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381 | * @return int
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382 | */
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383 | function get_page_number() { return $this->_page_number; }
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384 |
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385 | /**
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386 | * Returns the total number of pages in the document
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387 | * @return int
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388 | */
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389 | function get_page_count() { return $this->_page_count; }
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390 |
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391 | /**
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392 | * Sets the current page number
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393 | *
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394 | * @param int $num
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395 | */
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396 | function set_page_number($num) { $this->_page_number = $num; }
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397 |
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398 | /**
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399 | * Sets the page count
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400 | *
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401 | * @param int $count
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402 | */
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403 | function set_page_count($count) { $this->_page_count = $count; }
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404 |
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405 | /**
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406 | * Sets the stroke colour
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407 | *
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408 | * See {@link Style::set_colour()} for the format of the color array.
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409 | * @param array $color
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410 | */
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411 | protected function _set_stroke_color($color) {
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412 | list($r, $g, $b) = $color;
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413 | $this->_pdf->setStrokeColor($r, $g, $b);
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414 | }
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415 |
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416 | /**
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417 | * Sets the fill colour
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418 | *
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419 | * See {@link Style::set_colour()} for the format of the colour array.
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420 | * @param array $color
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421 | */
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422 | protected function _set_fill_color($color) {
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423 | list($r, $g, $b) = $color;
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424 | $this->_pdf->setColor($r, $g, $b);
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425 | }
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426 |
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427 | /**
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428 | * Sets line transparency
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429 | * @see Cpdf::setLineTransparency()
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430 | *
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431 | * Valid blend modes are (case-sensitive):
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432 | *
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433 | * Normal, Multiply, Screen, Overlay, Darken, Lighten,
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434 | * ColorDodge, ColorBurn, HardLight, SoftLight, Difference,
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435 | * Exclusion
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436 | *
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437 | * @param string $mode the blending mode to use
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438 | * @param float $opacity 0.0 fully transparent, 1.0 fully opaque
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439 | */
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440 | protected function _set_line_transparency($mode, $opacity) {
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441 | $this->_pdf->setLineTransparency($mode, $opacity);
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---|
442 | }
|
---|
443 |
|
---|
444 | /**
|
---|
445 | * Sets fill transparency
|
---|
446 | * @see Cpdf::setFillTransparency()
|
---|
447 | *
|
---|
448 | * Valid blend modes are (case-sensitive):
|
---|
449 | *
|
---|
450 | * Normal, Multiply, Screen, Overlay, Darken, Lighten,
|
---|
451 | * ColorDogde, ColorBurn, HardLight, SoftLight, Difference,
|
---|
452 | * Exclusion
|
---|
453 | *
|
---|
454 | * @param string $mode the blending mode to use
|
---|
455 | * @param float $opacity 0.0 fully transparent, 1.0 fully opaque
|
---|
456 | */
|
---|
457 | protected function _set_fill_transparency($mode, $opacity) {
|
---|
458 | $this->_pdf->setFillTransparency($mode, $opacity);
|
---|
459 | }
|
---|
460 |
|
---|
461 | /**
|
---|
462 | * Sets the line style
|
---|
463 | *
|
---|
464 | * @see Cpdf::setLineStyle()
|
---|
465 | *
|
---|
466 | * @param float width
|
---|
467 | * @param string cap
|
---|
468 | * @param string join
|
---|
469 | * @param array dash
|
---|
470 | */
|
---|
471 | protected function _set_line_style($width, $cap, $join, $dash) {
|
---|
472 | $this->_pdf->setLineStyle($width, $cap, $join, $dash);
|
---|
473 | }
|
---|
474 |
|
---|
475 | //........................................................................
|
---|
476 |
|
---|
477 |
|
---|
478 | /**
|
---|
479 | * Remaps y coords from 4th to 1st quadrant
|
---|
480 | *
|
---|
481 | * @param float $y
|
---|
482 | * @return float
|
---|
483 | */
|
---|
484 | protected function y($y) { return $this->_height - $y; }
|
---|
485 |
|
---|
486 | // Canvas implementation
|
---|
487 |
|
---|
488 | function line($x1, $y1, $x2, $y2, $color, $width, $style = array(),
|
---|
489 | $blend = "Normal", $opacity = 1.0) {
|
---|
490 | //pre_r(compact("x1", "y1", "x2", "y2", "color", "width", "style"));
|
---|
491 |
|
---|
492 | $this->_set_stroke_color($color);
|
---|
493 | $this->_set_line_style($width, "butt", "", $style);
|
---|
494 | $this->_set_line_transparency($blend, $opacity);
|
---|
495 |
|
---|
496 | $this->_pdf->line($x1, $this->y($y1),
|
---|
497 | $x2, $this->y($y2));
|
---|
498 | }
|
---|
499 |
|
---|
500 | //........................................................................
|
---|
501 |
|
---|
502 | /**
|
---|
503 | * Convert a GIF image to a PNG image
|
---|
504 | *
|
---|
505 | * @return string The url of the newly converted image
|
---|
506 | */
|
---|
507 | protected function _convert_gif_to_png($image_url) {
|
---|
508 |
|
---|
509 | if ( !function_exists("imagecreatefromgif") ) {
|
---|
510 | throw new DOMPDF_Exception("Function imagecreatefromgif() not found. Cannot convert gif image: $image_url. Please install the image PHP extension.");
|
---|
511 | }
|
---|
512 |
|
---|
513 | $old_err = set_error_handler("record_warnings");
|
---|
514 | $im = imagecreatefromgif($image_url);
|
---|
515 |
|
---|
516 | if ( $im ) {
|
---|
517 | imageinterlace($im, 0);
|
---|
518 |
|
---|
519 | $filename = tempnam(DOMPDF_TEMP_DIR, "gifdompdf_img_").'.png';
|
---|
520 | $this->_image_cache[] = $filename;
|
---|
521 |
|
---|
522 | imagepng($im, $filename);
|
---|
523 |
|
---|
524 | } else {
|
---|
525 | $filename = DOMPDF_LIB_DIR . "/res/broken_image.png";
|
---|
526 |
|
---|
527 | }
|
---|
528 |
|
---|
529 | restore_error_handler();
|
---|
530 |
|
---|
531 | return $filename;
|
---|
532 |
|
---|
533 | }
|
---|
534 |
|
---|
535 | function rectangle($x1, $y1, $w, $h, $color, $width, $style = array(),
|
---|
536 | $blend = "Normal", $opacity = 1.0) {
|
---|
537 |
|
---|
538 | $this->_set_stroke_color($color);
|
---|
539 | $this->_set_line_style($width, "square", "miter", $style);
|
---|
540 | $this->_set_line_transparency($blend, $opacity);
|
---|
541 |
|
---|
542 | $this->_pdf->rectangle($x1, $this->y($y1) - $h, $w, $h);
|
---|
543 | }
|
---|
544 |
|
---|
545 | //........................................................................
|
---|
546 |
|
---|
547 | function filled_rectangle($x1, $y1, $w, $h, $color, $blend = "Normal", $opacity = 1.0) {
|
---|
548 |
|
---|
549 | $this->_set_fill_color($color);
|
---|
550 | $this->_set_line_style(1, "square", "miter", array());
|
---|
551 | $this->_set_line_transparency($blend, $opacity);
|
---|
552 | $this->_set_fill_transparency($blend, $opacity);
|
---|
553 |
|
---|
554 | $this->_pdf->filledRectangle($x1, $this->y($y1) - $h, $w, $h);
|
---|
555 | }
|
---|
556 |
|
---|
557 | //........................................................................
|
---|
558 |
|
---|
559 | function polygon($points, $color, $width = null, $style = array(),
|
---|
560 | $fill = false, $blend = "Normal", $opacity = 1.0) {
|
---|
561 |
|
---|
562 | $this->_set_fill_color($color);
|
---|
563 | $this->_set_stroke_color($color);
|
---|
564 |
|
---|
565 | $this->_set_line_transparency($blend, $opacity);
|
---|
566 | $this->_set_fill_transparency($blend, $opacity);
|
---|
567 |
|
---|
568 | if ( !$fill && isset($width) )
|
---|
569 | $this->_set_line_style($width, "square", "miter", $style);
|
---|
570 |
|
---|
571 | // Adjust y values
|
---|
572 | for ( $i = 1; $i < count($points); $i += 2)
|
---|
573 | $points[$i] = $this->y($points[$i]);
|
---|
574 |
|
---|
575 | $this->_pdf->polygon($points, count($points) / 2, $fill);
|
---|
576 | }
|
---|
577 |
|
---|
578 | //........................................................................
|
---|
579 |
|
---|
580 | function circle($x, $y, $r1, $color, $width = null, $style = null,
|
---|
581 | $fill = false, $blend = "Normal", $opacity = 1.0) {
|
---|
582 |
|
---|
583 | $this->_set_fill_color($color);
|
---|
584 | $this->_set_stroke_color($color);
|
---|
585 |
|
---|
586 | $this->_set_line_transparency($blend, $opacity);
|
---|
587 | $this->_set_fill_transparency($blend, $opacity);
|
---|
588 |
|
---|
589 | if ( !$fill && isset($width) )
|
---|
590 | $this->_set_line_style($width, "round", "round", $style);
|
---|
591 |
|
---|
592 | $this->_pdf->ellipse($x, $this->y($y), $r1, 0, 0, 8, 0, 360, 1, $fill);
|
---|
593 | }
|
---|
594 |
|
---|
595 | //........................................................................
|
---|
596 |
|
---|
597 | function image($img_url, $img_type, $x, $y, $w, $h) {
|
---|
598 | //debugpng
|
---|
599 | if (DEBUGPNG) print '[image:'.$img_url.'|'.$img_type.']';
|
---|
600 |
|
---|
601 | $img_type = mb_strtolower($img_type);
|
---|
602 |
|
---|
603 | switch ($img_type) {
|
---|
604 | case "jpeg":
|
---|
605 | case "jpg":
|
---|
606 | //debugpng
|
---|
607 | if (DEBUGPNG) print '!!!jpg!!!';
|
---|
608 |
|
---|
609 | $this->_pdf->addJpegFromFile($img_url, $x, $this->y($y) - $h, $w, $h);
|
---|
610 | break;
|
---|
611 |
|
---|
612 | case "png":
|
---|
613 | //debugpng
|
---|
614 | if (DEBUGPNG) print '!!!png!!!';
|
---|
615 |
|
---|
616 | $this->_pdf->addPngFromFile($img_url, $x, $this->y($y) - $h, $w, $h);
|
---|
617 | break;
|
---|
618 |
|
---|
619 | case "gif":
|
---|
620 | // Convert gifs to pngs
|
---|
621 | //DEBUG_IMG_TEMP
|
---|
622 | //if (0) {
|
---|
623 | if ( method_exists( $this->_pdf, "addImagePng" ) ) {
|
---|
624 | //debugpng
|
---|
625 | if (DEBUGPNG) print '!!!gif addImagePng!!!';
|
---|
626 |
|
---|
627 | //If optimization to direct png creation from gd object is available,
|
---|
628 | //don't create temp file, but place gd object directly into the pdf
|
---|
629 | if ( method_exists( $this->_pdf, "image_iscached" ) &&
|
---|
630 | $this->_pdf->image_iscached($img_url) ) {
|
---|
631 | //If same image has occured already before, no need to load because
|
---|
632 | //duplicate will anyway be eliminated.
|
---|
633 | $img = null;
|
---|
634 | } else {
|
---|
635 | $img = @imagecreatefromgif($img_url);
|
---|
636 | if (!$img) {
|
---|
637 | return;
|
---|
638 | }
|
---|
639 | imageinterlace($img, 0);
|
---|
640 | }
|
---|
641 | $this->_pdf->addImagePng($img_url, $x, $this->y($y) - $h, $w, $h, $img);
|
---|
642 | } else {
|
---|
643 | //debugpng
|
---|
644 | if (DEBUGPNG) print '!!!gif addPngFromFile!!!';
|
---|
645 | $img_url = $this->_convert_gif_to_png($img_url);
|
---|
646 | $this->_pdf->addPngFromFile($img_url, $x, $this->y($y) - $h, $w, $h);
|
---|
647 | }
|
---|
648 | break;
|
---|
649 |
|
---|
650 | default:
|
---|
651 | //debugpng
|
---|
652 | if (DEBUGPNG) print '!!!unknown!!!';
|
---|
653 | break;
|
---|
654 | }
|
---|
655 |
|
---|
656 | return;
|
---|
657 | }
|
---|
658 |
|
---|
659 | //........................................................................
|
---|
660 |
|
---|
661 | function text($x, $y, $text, $font, $size, $color = array(0,0,0),
|
---|
662 | $adjust = 0, $angle = 0, $blend = "Normal", $opacity = 1.0) {
|
---|
663 |
|
---|
664 | list($r, $g, $b) = $color;
|
---|
665 | $this->_pdf->setColor($r, $g, $b);
|
---|
666 |
|
---|
667 | $this->_set_line_transparency($blend, $opacity);
|
---|
668 | $this->_set_fill_transparency($blend, $opacity);
|
---|
669 | $font .= ".afm";
|
---|
670 |
|
---|
671 | $this->_pdf->selectFont($font);
|
---|
672 |
|
---|
673 | //Font_Metrics::get_font_height($font, $size) ==
|
---|
674 | //$this->get_font_height($font, $size) ==
|
---|
675 | //$this->_pdf->selectFont($font),$this->_pdf->getFontHeight($size)
|
---|
676 | //- FontBBoxheight+FontHeightOffset, scaled to $size, in pt
|
---|
677 | //$this->_pdf->getFontDescender($size)
|
---|
678 | //- Descender scaled to size
|
---|
679 | //
|
---|
680 | //$this->_pdf->fonts[$this->_pdf->currentFont] sizes:
|
---|
681 | //['FontBBox'][0] left, ['FontBBox'][1] bottom, ['FontBBox'][2] right, ['FontBBox'][3] top
|
---|
682 | //Maximum extent of all glyphs of the font from the baseline point
|
---|
683 | //['Ascender'] maximum height above baseline except accents
|
---|
684 | //['Descender'] maximum depth below baseline, negative number means below baseline
|
---|
685 | //['FontHeightOffset'] manual enhancement of .afm files to trim windows fonts. currently not used.
|
---|
686 | //Values are in 1/1000 pt for a font size of 1 pt
|
---|
687 | //
|
---|
688 | //['FontBBox'][1] should be close to ['Descender']
|
---|
689 | //['FontBBox'][3] should be close to ['Ascender']+Accents
|
---|
690 | //in practice, FontBBox values are a little bigger
|
---|
691 | //
|
---|
692 | //The text position is referenced to the baseline, not to the lower corner of the FontBBox,
|
---|
693 | //for what the left,top corner is given.
|
---|
694 | //FontBBox spans also the background box for the text.
|
---|
695 | //If the lower corner would be used as reference point, the Descents of the glyphs would
|
---|
696 | //hang over the background box border.
|
---|
697 | //Therefore compensate only the extent above the Baseline.
|
---|
698 | //
|
---|
699 | //print '<pre>['.$font.','.$size.','.$this->_pdf->getFontHeight($size).','.$this->_pdf->getFontDescender($size).','.$this->_pdf->fonts[$this->_pdf->currentFont]['FontBBox'][3].','.$this->_pdf->fonts[$this->_pdf->currentFont]['FontBBox'][1].','.$this->_pdf->fonts[$this->_pdf->currentFont]['FontHeightOffset'].','.$this->_pdf->fonts[$this->_pdf->currentFont]['Ascender'].','.$this->_pdf->fonts[$this->_pdf->currentFont]['Descender'].']</pre>';
|
---|
700 | //
|
---|
701 | //$this->_pdf->addText($x, $this->y($y) - Font_Metrics::get_font_height($font, $size), $size, $text, $angle, $adjust);
|
---|
702 | //$this->_pdf->addText($x, $this->y($y) - $size, $size, $text, $angle, $adjust);
|
---|
703 | //$this->_pdf->addText($x, $this->y($y) - $this->_pdf->getFontHeight($size)-$this->_pdf->getFontDescender($size), $size, $text, $angle, $adjust);
|
---|
704 | $this->_pdf->addText($x, $this->y($y) - ($this->_pdf->fonts[$this->_pdf->currentFont]['FontBBox'][3]*$size)/1000, $size, $text, $angle, $adjust);
|
---|
705 | }
|
---|
706 |
|
---|
707 | //........................................................................
|
---|
708 |
|
---|
709 | /**
|
---|
710 | * Add a named destination (similar to <a name="foo">...</a> in html)
|
---|
711 | *
|
---|
712 | * @param string $anchorname The name of the named destination
|
---|
713 | */
|
---|
714 | function add_named_dest($anchorname) {
|
---|
715 | $this->_pdf->addDestination($anchorname,"Fit");
|
---|
716 | }
|
---|
717 |
|
---|
718 | //........................................................................
|
---|
719 |
|
---|
720 | /**
|
---|
721 | * Add a link to the pdf
|
---|
722 | *
|
---|
723 | * @param string $url The url to link to
|
---|
724 | * @param float $x The x position of the link
|
---|
725 | * @param float $y The y position of the link
|
---|
726 | * @param float $width The width of the link
|
---|
727 | * @param float $height The height of the link
|
---|
728 | */
|
---|
729 | function add_link($url, $x, $y, $width, $height) {
|
---|
730 |
|
---|
731 | $y = $this->y($y) - $height;
|
---|
732 |
|
---|
733 | if ( strpos($url, '#') === 0 ) {
|
---|
734 | // Local link
|
---|
735 | $name = substr($url,1);
|
---|
736 | if ( $name )
|
---|
737 | $this->_pdf->addInternalLink($name, $x, $y, $x + $width, $y + $height);
|
---|
738 |
|
---|
739 | } else {
|
---|
740 | $this->_pdf->addLink(rawurldecode($url), $x, $y, $x + $width, $y + $height);
|
---|
741 | }
|
---|
742 |
|
---|
743 | }
|
---|
744 |
|
---|
745 | //........................................................................
|
---|
746 |
|
---|
747 | function get_text_width($text, $font, $size, $spacing = 0) {
|
---|
748 | $this->_pdf->selectFont($font);
|
---|
749 | $ascii = utf8_decode($text);
|
---|
750 | // // Hack for
|
---|
751 | // $ascii = str_replace("\xA0", " ", $ascii);
|
---|
752 |
|
---|
753 | return $this->_pdf->getTextWidth($size, $ascii, $spacing);
|
---|
754 | }
|
---|
755 |
|
---|
756 | //........................................................................
|
---|
757 |
|
---|
758 | function get_font_height($font, $size) {
|
---|
759 | $this->_pdf->selectFont($font);
|
---|
760 | return $this->_pdf->getFontHeight($size);
|
---|
761 | }
|
---|
762 |
|
---|
763 | //........................................................................
|
---|
764 |
|
---|
765 | /**
|
---|
766 | * Writes text at the specified x and y coordinates on every page
|
---|
767 | *
|
---|
768 | * The strings '{PAGE_NUM}' and '{PAGE_COUNT}' are automatically replaced
|
---|
769 | * with their current values.
|
---|
770 | *
|
---|
771 | * See {@link Style::munge_colour()} for the format of the colour array.
|
---|
772 | *
|
---|
773 | * @param float $x
|
---|
774 | * @param float $y
|
---|
775 | * @param string $text the text to write
|
---|
776 | * @param string $font the font file to use
|
---|
777 | * @param float $size the font size, in points
|
---|
778 | * @param array $color
|
---|
779 | * @param float $adjust word spacing adjustment
|
---|
780 | * @param float $angle angle to write the text at, measured CW starting from the x-axis
|
---|
781 | */
|
---|
782 | function page_text($x, $y, $text, $font, $size, $color = array(0,0,0),
|
---|
783 | $adjust = 0, $angle = 0) {
|
---|
784 | $_t = "text";
|
---|
785 | $this->_page_text[] = compact("_t", "x", "y", "text", "font", "size", "color", "adjust", "angle");
|
---|
786 | }
|
---|
787 |
|
---|
788 | //........................................................................
|
---|
789 |
|
---|
790 | /**
|
---|
791 | * Processes a script on every page
|
---|
792 | *
|
---|
793 | * The variables $pdf, $PAGE_NUM, and $PAGE_COUNT are available.
|
---|
794 | *
|
---|
795 | * This function can be used to add page numbers to all pages
|
---|
796 | * after the first one, for example.
|
---|
797 | *
|
---|
798 | * @param string $code the script code
|
---|
799 | * @param string $type the language type for script
|
---|
800 | */
|
---|
801 | function page_script($code, $type = "text/php") {
|
---|
802 | $_t = "script";
|
---|
803 | $this->_page_text[] = compact("_t", "code", "type");
|
---|
804 | }
|
---|
805 |
|
---|
806 | //........................................................................
|
---|
807 |
|
---|
808 | function new_page() {
|
---|
809 | $this->_page_count++;
|
---|
810 |
|
---|
811 | $ret = $this->_pdf->newPage();
|
---|
812 | $this->_pages[] = $ret;
|
---|
813 | return $ret;
|
---|
814 | }
|
---|
815 |
|
---|
816 | //........................................................................
|
---|
817 |
|
---|
818 | /**
|
---|
819 | * Add text to each page after rendering is complete
|
---|
820 | */
|
---|
821 | protected function _add_page_text() {
|
---|
822 |
|
---|
823 | if ( !count($this->_page_text) )
|
---|
824 | return;
|
---|
825 |
|
---|
826 | $page_number = 1;
|
---|
827 | $eval = null;
|
---|
828 |
|
---|
829 | foreach ($this->_pages as $pid) {
|
---|
830 | $this->reopen_object($pid);
|
---|
831 |
|
---|
832 | foreach ($this->_page_text as $pt) {
|
---|
833 | extract($pt);
|
---|
834 |
|
---|
835 | switch ($_t) {
|
---|
836 |
|
---|
837 | case "text":
|
---|
838 | $text = str_replace(array("{PAGE_NUM}","{PAGE_COUNT}"),
|
---|
839 | array($page_number, $this->_page_count), $text);
|
---|
840 | $this->text($x, $y, $text, $font, $size, $color, $adjust, $angle);
|
---|
841 | break;
|
---|
842 |
|
---|
843 | case "script":
|
---|
844 | if (!$eval) {
|
---|
845 | $eval = new PHP_Evaluator($this);
|
---|
846 | }
|
---|
847 | $eval->evaluate($code, array('PAGE_NUM' => $page_number, 'PAGE_COUNT' => $this->_page_count));
|
---|
848 | break;
|
---|
849 | }
|
---|
850 | }
|
---|
851 |
|
---|
852 | $this->close_object();
|
---|
853 | $page_number++;
|
---|
854 | }
|
---|
855 | }
|
---|
856 |
|
---|
857 | /**
|
---|
858 | * Streams the PDF directly to the browser
|
---|
859 | *
|
---|
860 | * @param string $filename the name of the PDF file
|
---|
861 | * @param array $options associative array, 'Attachment' => 0 or 1, 'compress' => 1 or 0
|
---|
862 | */
|
---|
863 | function stream($filename, $options = null) {
|
---|
864 | // Add page text
|
---|
865 | $this->_add_page_text();
|
---|
866 |
|
---|
867 | $options["Content-Disposition"] = $filename;
|
---|
868 | $this->_pdf->stream($options);
|
---|
869 | }
|
---|
870 |
|
---|
871 | //........................................................................
|
---|
872 |
|
---|
873 | /**
|
---|
874 | * Returns the PDF as a string
|
---|
875 | *
|
---|
876 | * @return string
|
---|
877 | */
|
---|
878 | function output($options = null) {
|
---|
879 | // Add page text
|
---|
880 | $this->_add_page_text();
|
---|
881 |
|
---|
882 | if ( isset($options["compress"]) && $options["compress"] != 1 )
|
---|
883 | $debug = 1;
|
---|
884 | else
|
---|
885 | $debug = 0;
|
---|
886 |
|
---|
887 | return $this->_pdf->output($debug);
|
---|
888 |
|
---|
889 | }
|
---|
890 |
|
---|
891 | //........................................................................
|
---|
892 |
|
---|
893 | /**
|
---|
894 | * Returns logging messages generated by the Cpdf class
|
---|
895 | *
|
---|
896 | * @return string
|
---|
897 | */
|
---|
898 | function get_messages() { return $this->_pdf->messages; }
|
---|
899 |
|
---|
900 | }
|
---|
901 |
|
---|
902 | ?> |
---|