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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