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<cfcomponent name="ImageObject">
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<!---
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ImageObject.cfc written by Rick Root (rick@webworksllc.com)
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Related Web Sites:
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- http://www.opensourcecf.com/imagecfc (home page)
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This is an object oriented interface to the original
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ImageCFC.
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Example Code:
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io = createObject("component","ImageObject");
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io.setOption("defaultJpegCompression",95);
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io.init("#ExpandPath(".")#/emily.jpg");
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io.scaleWidth(500);
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io.save("#ExpandPath(".")#/imagex1.jpg");
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io.flipHorizontal();
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io.save("#ExpandPath(".")#/imagex2.jpg");
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io.revert();
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io.filterFastBlur(2,5);
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io.save("#ExpandPath(".")#/imagex3.jpg");
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io.revert();
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io.filterPosterize(32);
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io.save("#ExpandPath(".")#/imagex4.jpg");
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LICENSE
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-------
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Copyright (c) 2006, Rick Root <rick@webworksllc.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or
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without modification, are permitted provided that the
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following conditions are met:
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- Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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- Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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- Neither the name of the Webworks, LLC. nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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--->
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<cfset variables.img = "">
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<cfset variables.revertimg = "">
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<cfset variables.imageCFC = createObject("component","image")>
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<cfset variables.imageInfo = structNew()>
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<cfset variables.imageInfo.width = 0>
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<cfset variables.imageInfo.height = 0>
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<cfset variables.imageInfo.colorModel = "">
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<cfset variables.imageInfo.colorspace = "">
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<cfset variables.imageInfo.objColorModel = "">
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<cfset variables.imageInfo.objColorspace = "">
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<cfset variables.imageInfo.sampleModel = "">
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<cfset variables.imageInfo.imageType = 0>
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<cfset variables.imageInfo.misc = "">
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<cfset variables.imageInfo.canModify = false>
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<cfset variables.imageCFC.setOption("throwonerror",true)>
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<!---
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init(filename) Initialize object from a file.
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init(width, height) Initialize with a blank image
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init(bufferedImage) Initiailize with an existing object
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--->
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<cffunction name="init" access="public" output="false" returnType="void">
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<cfargument name="arg1" type="any" required="yes">
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<cfargument name="arg2" type="any" required="no">
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<cfif isDefined("arg2") and isNumeric(arg1) and isNumeric(arg2)>
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<cfset arg1 = javacast("int",int(arg1))>
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<cfset arg2 = javacast("int",int(arg2))>
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<cfset variables.img = createObject("java","java.awt.image.BufferedImage")>
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<cfset variables.img.init(arg1,arg2,variables.img.TYPE_INT_RGB)>
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<cfelseif arg1.getClass().getName() eq "java.awt.image.BufferedImage">
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<cfset variables.img = arg1>
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<cfelseif isSimpleValue(arg1) and len(arg1) gt 0>
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<cfset imageResults = variables.imageCFC.readImage(arg1, "no")>
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<cfset variables.img = imageResults.img>
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<cfelse>
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<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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</cfif>
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<cfif variables.revertimg eq "">
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<cfset variables.revertimg = variables.img>
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</cfif>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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<cfreturn>
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</cffunction>
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<cffunction name="flipHorizontal" access="public" output="true" returnType="void" hint="Flip an image horizontally.">
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<cfset var imageResults = imageCFC.flipHorizontal(variables.img,"","")>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="getImageInfo" access="public" output="true" returntype="struct" hint="Returns image information.">
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<cfreturn variables.imageInfo>
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</cffunction>
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<cffunction name="getImageObject" access="public" output="true" returntype="struct" hint="Returns a java Buffered Image Object.">
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<cfreturn variables.img>
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</cffunction>
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<cffunction name="flipVertical" access="public" output="true" returntype="void" hint="Flop an image vertically.">
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<cfset var imageResults = imageCFC.flipVertical(variables.img,"","")>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="scaleWidth" access="public" output="true" returntype="void" hint="Scale an image to a specific width.">
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<cfargument name="newWidth" required="yes" type="numeric">
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<cfset var imageResults = imageCFC.scaleWidth(variables.img,"","", newWidth)>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="scaleHeight" access="public" output="true" returntype="void" hint="Scale an image to a specific height.">
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<cfargument name="newHeight" required="yes" type="numeric">
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<cfset var imageResults = imageCFC.scaleHeight(variables.img,"","", newHeight)>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="resize" access="public" output="true" returntype="void" hint="Resize an image to a specific width and height.">
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<cfargument name="newWidth" required="yes" type="numeric">
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<cfargument name="newHeight" required="yes" type="numeric">
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<cfargument name="preserveAspect" required="no" type="boolean" default="FALSE">
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<cfargument name="cropToExact" required="no" type="boolean" default="FALSE">
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<cfset var imageResults = imageCFC.resize(variables.img,"","",newWidth,newHeight,preserveAspect,cropToExact)>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="crop" access="public" output="true" returntype="void" hint="Crop an image.">
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<cfargument name="fromX" required="yes" type="numeric">
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<cfargument name="fromY" required="yes" type="numeric">
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<cfargument name="newWidth" required="yes" type="numeric">
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<cfargument name="newHeight" required="yes" type="numeric">
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<cfset var imageResults = imageCFC.crop(variables.img,"","",fromX,fromY,newWidth,newHeight)>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="rotate" access="public" output="true" returntype="void" hint="Rotate an image (+/-)90, (+/-)180, or (+/-)270 degrees.">
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<cfargument name="degrees" required="yes" type="numeric">
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<cfset var imageResults = imageCFC.rotate(variables.img,"","",degrees)>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="setOption" access="public" output="true" returnType="void" hint="Sets values for allowed CFC options.">
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<cfargument name="key" type="string" required="yes">
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<cfargument name="val" type="string" required="yes">
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<cfif lcase(trim(key)) eq "throwonerror">
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<cfthrow message="Option Configuration Error" detail="You cannot set the throwOnError option when using ImageObject.cfc">
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</cfif>
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<cfset imageCFC.setOption(key, val)>
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</cffunction>
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<cffunction name="getOption" access="public" output="true" returnType="any" hint="Returns the current value for the specified CFC option.">
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<cfargument name="key" type="string" required="yes">
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<cfreturn imageCFC.getOption(key)>
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</cffunction>
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<cffunction name="filterFastBlur" access="public" output="true" returntype="void" hint="Internal method used for flipping and flopping images.">
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<cfargument name="blurAmount" required="yes" type="numeric">
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<cfargument name="iterations" required="yes" type="numeric">
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<cfset var imageResults = imageCFC.filterFastBlur(variables.img,"","",blurAmount,iterations)>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="filterSharpen" access="public" output="true" returntype="void" hint="Internal method used for flipping and flopping images.">
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<cfset var imageResults = imageCFC.filterSharpen(variables.img,"","")>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="filterPosterize" access="public" output="true" returntype="void" hint="Internal method used for flipping and flopping images.">
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<cfargument name="amount" required="yes" type="string">
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<cfset var imageResults = imageCFC.filterPosterize(variables.img,"","",amount)>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="addText" access="public" output="true" returntype="void" hint="Add text to an image.">
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<cfargument name="x" required="yes" type="numeric">
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<cfargument name="y" required="yes" type="numeric">
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<cfargument name="fontDetails" required="yes" type="struct">
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<cfargument name="content" required="yes" type="String">
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<cfset var imageResults = imageCFC.addText(variables.img,"","",x,y,fontDetails,content)>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="watermark" access="public" output="false" returnType="void">
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<cfargument name="wmImage" required="yes" type="Any">
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<cfargument name="alpha" required="yes" type="numeric">
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<cfargument name="placeAtX" required="yes" type="numeric">
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<cfargument name="placeAtY" required="yes" type="numeric">
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<cfset var imageResults = "">
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<cfif isSimpleValue(wmImage)>
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<!--- filename or URL --->
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<cfset imageResults = imageCFC.watermark(variables.img,"","",wmImage,alpha,placeAtX,placeAtY)>
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<cfelse>
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<!--- must be a java object --->
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<cfset imageResults = imageCFC.watermark(variables.img,wmImage,"","",alpha,placeAtX,placeAtY)>
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</cfif>
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<cfset variables.revertimg = variables.img>
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<cfset variables.img = imageResults.img>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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<cffunction name="save" access="public" output="false" returnType="void">
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<cfargument name="filename" type="string" required="no">
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<cfargument name="jpegCompression" type="numeric" required="no">
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<cfif isDefined("arguments.jpegCompression") and isNumeric(arguments.jpegCompression)>
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<cfset imageCFC.writeImage(filename,variables.img,jpegCompression)>
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<cfelse>
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<cfset imageCFC.writeImage(filename,variables.img)>
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</cfif>
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</cffunction>
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<cffunction name="revert" access="public" output="true" returntype="void" hint="Undo the previous manipulation.">
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<cfset variables.img = variables.revertimg>
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<cfset variables.imageInfo = imageCFC.getImageInfo(variables.img,"")>
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</cffunction>
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</cfcomponent>
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