1 | <cfcomponent name="ImageObject">
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2 | <!---
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3 | ImageObject.cfc written by Rick Root (rick@webworksllc.com)
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4 |
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5 | Related Web Sites:
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6 | - http://www.opensourcecf.com/imagecfc (home page)
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7 |
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8 |
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9 | This is an object oriented interface to the original
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10 | ImageCFC.
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11 |
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12 | Example Code:
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13 |
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14 | io = createObject("component","ImageObject");
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15 | io.setOption("defaultJpegCompression",95);
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16 | io.init("#ExpandPath(".")#/emily.jpg");
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17 | io.scaleWidth(500);
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18 | io.save("#ExpandPath(".")#/imagex1.jpg");
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19 |
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20 | io.flipHorizontal();
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21 | io.save("#ExpandPath(".")#/imagex2.jpg");
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22 | io.revert();
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23 | io.filterFastBlur(2,5);
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24 | io.save("#ExpandPath(".")#/imagex3.jpg");
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25 | io.revert();
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26 | io.filterPosterize(32);
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27 | io.save("#ExpandPath(".")#/imagex4.jpg");
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28 |
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29 |
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30 | LICENSE
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31 | -------
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32 | Copyright (c) 2006, Rick Root <rick@webworksllc.com>
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33 | All rights reserved.
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34 |
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35 | Redistribution and use in source and binary forms, with or
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36 | without modification, are permitted provided that the
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37 | following conditions are met:
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38 |
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39 | - Redistributions of source code must retain the above
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40 | copyright notice, this list of conditions and the
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41 | following disclaimer.
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42 | - Redistributions in binary form must reproduce the above
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43 | copyright notice, this list of conditions and the
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44 | following disclaimer in the documentation and/or other
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45 | materials provided with the distribution.
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46 | - Neither the name of the Webworks, LLC. nor the names of
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47 | its contributors may be used to endorse or promote products
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48 | derived from this software without specific prior written
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49 | permission.
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50 |
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51 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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52 | CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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53 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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54 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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55 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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56 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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57 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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58 | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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59 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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60 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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61 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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62 | OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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63 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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64 | --->
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65 |
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66 | <cfset variables.img = "">
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67 | <cfset variables.revertimg = "">
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68 | <cfset variables.imageCFC = createObject("component","image")>
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69 | <cfset variables.imageInfo = structNew()>
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70 | <cfset variables.imageInfo.width = 0>
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71 | <cfset variables.imageInfo.height = 0>
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72 | <cfset variables.imageInfo.colorModel = "">
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73 | <cfset variables.imageInfo.colorspace = "">
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74 | <cfset variables.imageInfo.objColorModel = "">
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75 | <cfset variables.imageInfo.objColorspace = "">
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76 | <cfset variables.imageInfo.sampleModel = "">
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77 | <cfset variables.imageInfo.imageType = 0>
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78 | <cfset variables.imageInfo.misc = "">
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79 | <cfset variables.imageInfo.canModify = false>
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80 | <cfset variables.imageCFC.setOption("throwonerror",true)>
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81 |
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82 | <!---
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83 |
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84 | init(filename) Initialize object from a file.
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85 | init(width, height) Initialize with a blank image
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86 | init(bufferedImage) Initiailize with an existing object
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87 | --->
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88 | <cffunction name="init" access="public" output="false" returnType="void">
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89 | <cfargument name="arg1" type="any" required="yes">
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90 | <cfargument name="arg2" type="any" required="no">
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91 |
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92 | <cfif isDefined("arg2") and isNumeric(arg1) and isNumeric(arg2)>
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93 | <cfset arg1 = javacast("int",int(arg1))>
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94 | <cfset arg2 = javacast("int",int(arg2))>
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95 | <cfset variables.img = createObject("java","java.awt.image.BufferedImage")>
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96 | <cfset variables.img.init(arg1,arg2,variables.img.TYPE_INT_RGB)>
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97 | <cfelseif arg1.getClass().getName() eq "java.awt.image.BufferedImage">
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98 | <cfset variables.img = arg1>
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99 | <cfelseif isSimpleValue(arg1) and len(arg1) gt 0>
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100 | <cfset imageResults = variables.imageCFC.readImage(arg1, "no")>
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101 | <cfset variables.img = imageResults.img>
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102 | <cfelse>
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103 | <cfthrow message="Object Instantiation Error" detail="You have attempted to initialize ooimage.cfc with invalid arguments. Please consult the documentation for correct initialization arguments.">
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104 | </cfif>
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105 | <cfif variables.revertimg eq "">
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106 | <cfset variables.revertimg = variables.img>
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107 | </cfif>
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108 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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109 | <cfreturn>
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110 | </cffunction>
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111 |
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112 | <cffunction name="flipHorizontal" access="public" output="true" returnType="void" hint="Flip an image horizontally.">
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113 | <cfset var imageResults = imageCFC.flipHorizontal(variables.img,"","")>
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114 | <cfset variables.revertimg = variables.img>
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115 | <cfset variables.img = imageResults.img>
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116 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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117 | </cffunction>
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118 |
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119 | <cffunction name="getImageInfo" access="public" output="true" returntype="struct" hint="Returns image information.">
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120 | <cfreturn variables.imageInfo>
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121 | </cffunction>
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122 | <cffunction name="getImageObject" access="public" output="true" returntype="struct" hint="Returns a java Buffered Image Object.">
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123 | <cfreturn variables.img>
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124 | </cffunction>
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125 |
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126 | <cffunction name="flipVertical" access="public" output="true" returntype="void" hint="Flop an image vertically.">
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127 | <cfset var imageResults = imageCFC.flipVertical(variables.img,"","")>
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128 | <cfset variables.revertimg = variables.img>
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129 | <cfset variables.img = imageResults.img>
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130 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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131 | </cffunction>
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132 |
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133 | <cffunction name="scaleWidth" access="public" output="true" returntype="void" hint="Scale an image to a specific width.">
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134 | <cfargument name="newWidth" required="yes" type="numeric">
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135 | <cfset var imageResults = imageCFC.scaleWidth(variables.img,"","", newWidth)>
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136 | <cfset variables.revertimg = variables.img>
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137 | <cfset variables.img = imageResults.img>
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138 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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139 |
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140 | </cffunction>
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141 |
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142 | <cffunction name="scaleHeight" access="public" output="true" returntype="void" hint="Scale an image to a specific height.">
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143 | <cfargument name="newHeight" required="yes" type="numeric">
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144 | <cfset var imageResults = imageCFC.scaleHeight(variables.img,"","", newHeight)>
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145 | <cfset variables.revertimg = variables.img>
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146 | <cfset variables.img = imageResults.img>
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147 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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148 | </cffunction>
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149 |
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150 | <cffunction name="resize" access="public" output="true" returntype="void" hint="Resize an image to a specific width and height.">
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151 | <cfargument name="newWidth" required="yes" type="numeric">
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152 | <cfargument name="newHeight" required="yes" type="numeric">
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153 | <cfargument name="preserveAspect" required="no" type="boolean" default="FALSE">
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154 | <cfargument name="cropToExact" required="no" type="boolean" default="FALSE">
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155 |
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156 | <cfset var imageResults = imageCFC.resize(variables.img,"","",newWidth,newHeight,preserveAspect,cropToExact)>
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157 | <cfset variables.revertimg = variables.img>
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158 | <cfset variables.img = imageResults.img>
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159 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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160 | </cffunction>
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161 |
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162 | <cffunction name="crop" access="public" output="true" returntype="void" hint="Crop an image.">
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163 | <cfargument name="fromX" required="yes" type="numeric">
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164 | <cfargument name="fromY" required="yes" type="numeric">
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165 | <cfargument name="newWidth" required="yes" type="numeric">
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166 | <cfargument name="newHeight" required="yes" type="numeric">
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167 | <cfset var imageResults = imageCFC.crop(variables.img,"","",fromX,fromY,newWidth,newHeight)>
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168 | <cfset variables.revertimg = variables.img>
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169 | <cfset variables.img = imageResults.img>
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170 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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171 |
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172 | </cffunction>
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173 |
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174 | <cffunction name="rotate" access="public" output="true" returntype="void" hint="Rotate an image (+/-)90, (+/-)180, or (+/-)270 degrees.">
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175 | <cfargument name="degrees" required="yes" type="numeric">
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176 | <cfset var imageResults = imageCFC.rotate(variables.img,"","",degrees)>
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177 | <cfset variables.revertimg = variables.img>
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178 | <cfset variables.img = imageResults.img>
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179 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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180 |
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181 | </cffunction>
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182 |
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183 | <cffunction name="setOption" access="public" output="true" returnType="void" hint="Sets values for allowed CFC options.">
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184 | <cfargument name="key" type="string" required="yes">
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185 | <cfargument name="val" type="string" required="yes">
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186 | <cfif lcase(trim(key)) eq "throwonerror">
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187 | <cfthrow message="Option Configuration Error" detail="You cannot set the throwOnError option when using ImageObject.cfc">
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188 | </cfif>
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189 | <cfset imageCFC.setOption(key, val)>
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190 |
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191 | </cffunction>
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192 |
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193 | <cffunction name="getOption" access="public" output="true" returnType="any" hint="Returns the current value for the specified CFC option.">
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194 | <cfargument name="key" type="string" required="yes">
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195 | <cfreturn imageCFC.getOption(key)>
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196 | </cffunction>
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197 |
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198 | <cffunction name="filterFastBlur" access="public" output="true" returntype="void" hint="Internal method used for flipping and flopping images.">
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199 | <cfargument name="blurAmount" required="yes" type="numeric">
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200 | <cfargument name="iterations" required="yes" type="numeric">
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201 | <cfset var imageResults = imageCFC.filterFastBlur(variables.img,"","",blurAmount,iterations)>
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202 | <cfset variables.revertimg = variables.img>
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203 | <cfset variables.img = imageResults.img>
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204 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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205 |
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206 | </cffunction>
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207 |
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208 | <cffunction name="filterSharpen" access="public" output="true" returntype="void" hint="Internal method used for flipping and flopping images.">
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209 | <cfset var imageResults = imageCFC.filterSharpen(variables.img,"","")>
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210 | <cfset variables.revertimg = variables.img>
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211 | <cfset variables.img = imageResults.img>
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212 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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213 |
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214 | </cffunction>
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215 |
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216 |
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217 | <cffunction name="filterPosterize" access="public" output="true" returntype="void" hint="Internal method used for flipping and flopping images.">
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218 | <cfargument name="amount" required="yes" type="string">
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219 | <cfset var imageResults = imageCFC.filterPosterize(variables.img,"","",amount)>
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220 | <cfset variables.revertimg = variables.img>
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221 | <cfset variables.img = imageResults.img>
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222 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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223 | </cffunction>
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224 |
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225 |
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226 | <cffunction name="addText" access="public" output="true" returntype="void" hint="Add text to an image.">
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227 | <cfargument name="x" required="yes" type="numeric">
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228 | <cfargument name="y" required="yes" type="numeric">
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229 | <cfargument name="fontDetails" required="yes" type="struct">
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230 | <cfargument name="content" required="yes" type="String">
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231 | <cfset var imageResults = imageCFC.addText(variables.img,"","",x,y,fontDetails,content)>
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232 | <cfset variables.revertimg = variables.img>
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233 | <cfset variables.img = imageResults.img>
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234 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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235 |
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236 | </cffunction>
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237 |
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238 | <cffunction name="watermark" access="public" output="false" returnType="void">
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239 | <cfargument name="wmImage" required="yes" type="Any">
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240 | <cfargument name="alpha" required="yes" type="numeric">
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241 | <cfargument name="placeAtX" required="yes" type="numeric">
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242 | <cfargument name="placeAtY" required="yes" type="numeric">
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243 |
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244 | <cfset var imageResults = "">
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245 | <cfif isSimpleValue(wmImage)>
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246 | <!--- filename or URL --->
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247 | <cfset imageResults = imageCFC.watermark(variables.img,"","",wmImage,alpha,placeAtX,placeAtY)>
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248 | <cfelse>
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249 | <!--- must be a java object --->
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250 | <cfset imageResults = imageCFC.watermark(variables.img,wmImage,"","",alpha,placeAtX,placeAtY)>
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251 | </cfif>
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252 | <cfset variables.revertimg = variables.img>
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253 | <cfset variables.img = imageResults.img>
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254 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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255 |
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256 | </cffunction>
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257 |
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258 | <cffunction name="save" access="public" output="false" returnType="void">
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259 | <cfargument name="filename" type="string" required="no">
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260 | <cfargument name="jpegCompression" type="numeric" required="no">
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261 | <cfif isDefined("arguments.jpegCompression") and isNumeric(arguments.jpegCompression)>
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262 | <cfset imageCFC.writeImage(filename,variables.img,jpegCompression)>
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263 | <cfelse>
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264 | <cfset imageCFC.writeImage(filename,variables.img)>
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265 | </cfif>
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266 | </cffunction>
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267 |
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268 | <cffunction name="revert" access="public" output="true" returntype="void" hint="Undo the previous manipulation.">
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269 | <cfset variables.img = variables.revertimg>
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270 | <cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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271 | </cffunction>
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272 |
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273 | </cfcomponent>
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