[1575] | 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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