source: sandbox/filemanager/tp/fckeditor/editor/filemanager/connectors/cfm/ImageObject.cfc @ 1575

Revision 1575, 12.1 KB checked in by amuller, 14 years ago (diff)

Ticket #597 - Implentação, melhorias do modulo gerenciador de arquivos

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