Mercurial > hg > digilib-old
annotate servlet/src/digilib/image/ImageLoaderDocuImage.java @ 839:ea6c8f92c929 stream
debugging invert...
author | robcast |
---|---|
date | Tue, 01 Mar 2011 19:47:33 +0100 |
parents | dd13310dbe29 |
children | 3519cfa11a0b |
rev | line source |
---|---|
1 | 1 /* ImageLoaderDocuImage -- Image class implementation using JDK 1.4 ImageLoader |
2 | |
279 | 3 Digital Image Library servlet components |
1 | 4 |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
5 Copyright (C) 2002 - 2011 Robert Casties (robcast@mail.berlios.de) |
1 | 6 |
279 | 7 This program is free software; you can redistribute it and/or modify it |
8 under the terms of the GNU General Public License as published by the | |
9 Free Software Foundation; either version 2 of the License, or (at your | |
10 option) any later version. | |
11 | |
12 Please read license.txt for the full details. A copy of the GPL | |
13 may be found at http://www.gnu.org/copyleft/lgpl.html | |
1 | 14 |
279 | 15 You should have received a copy of the GNU General Public License |
16 along with this program; if not, write to the Free Software | |
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 */ | |
1 | 19 |
20 package digilib.image; | |
21 | |
496 | 22 import java.awt.Image; |
85 | 23 import java.awt.Rectangle; |
207 | 24 import java.awt.RenderingHints; |
829 | 25 import java.awt.color.ColorSpace; |
73 | 26 import java.awt.geom.AffineTransform; |
101 | 27 import java.awt.geom.Rectangle2D; |
73 | 28 import java.awt.image.AffineTransformOp; |
29 import java.awt.image.BufferedImage; | |
834
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
30 import java.awt.image.ByteLookupTable; |
829 | 31 import java.awt.image.ColorConvertOp; |
838 | 32 import java.awt.image.ColorModel; |
144 | 33 import java.awt.image.ConvolveOp; |
34 import java.awt.image.Kernel; | |
834
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
35 import java.awt.image.LookupOp; |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
36 import java.awt.image.LookupTable; |
85 | 37 import java.awt.image.RescaleOp; |
73 | 38 import java.io.IOException; |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
39 import java.io.OutputStream; |
89 | 40 import java.io.RandomAccessFile; |
464 | 41 import java.util.Arrays; |
85 | 42 import java.util.Iterator; |
1 | 43 |
352 | 44 import javax.imageio.IIOImage; |
73 | 45 import javax.imageio.ImageIO; |
85 | 46 import javax.imageio.ImageReadParam; |
47 import javax.imageio.ImageReader; | |
352 | 48 import javax.imageio.ImageWriteParam; |
49 import javax.imageio.ImageWriter; | |
220 | 50 import javax.imageio.stream.FileImageInputStream; |
85 | 51 import javax.imageio.stream.ImageInputStream; |
352 | 52 import javax.imageio.stream.ImageOutputStream; |
570 | 53 import javax.servlet.ServletException; |
1 | 54 |
207 | 55 import digilib.io.FileOpException; |
464 | 56 import digilib.io.FileOps; |
579
efd7a223f819
try: ImageInput as interface, ImageFile inherits from Dirent and implements ImageInput
robcast
parents:
574
diff
changeset
|
57 import digilib.io.ImageInput; |
596 | 58 import digilib.util.ImageSize; |
1 | 59 |
73 | 60 /** Implementation of DocuImage using the ImageLoader API of Java 1.4 and Java2D. */ |
564 | 61 public class ImageLoaderDocuImage extends ImageInfoDocuImage { |
590 | 62 |
86 | 63 /** image object */ |
64 protected BufferedImage img; | |
570 | 65 |
86 | 66 /** interpolation type */ |
838 | 67 protected RenderingHints renderHint = null; |
279 | 68 |
834
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
69 /** convolution kernels for blur() */ |
590 | 70 protected static Kernel[] convolutionKernels = { |
71 null, | |
72 new Kernel(1, 1, new float[] {1f}), | |
73 new Kernel(2, 2, new float[] {0.25f, 0.25f, 0.25f, 0.25f}), | |
74 new Kernel(3, 3, new float[] {1f/9f, 1f/9f, 1f/9f, 1f/9f, 1f/9f, 1f/9f, 1f/9f, 1f/9f, 1f/9f}) | |
75 }; | |
279 | 76 |
834
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
77 /** lookup table for inverting images (byte) */ |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
78 protected static LookupTable invertByteTable; |
838 | 79 protected static LookupTable invertRGBByteTable; |
834
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
80 |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
81 static { |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
82 byte[] invertByte = new byte[256]; |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
83 byte[] orderedByte = new byte[256]; |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
84 for (int i = 0; i < 256; ++i) { |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
85 invertByte[i] = (byte) (256 - i); |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
86 orderedByte[i] = (byte) i; |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
87 } |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
88 // works for JPEG in q2 |
838 | 89 invertRGBByteTable = new ByteLookupTable(0, new byte[][] { |
90 orderedByte, invertByte, invertByte}); | |
91 // should work for all color models | |
92 invertByteTable = new ByteLookupTable(0, invertByte); | |
834
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
93 } |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
94 |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
95 /** the size of the current image */ |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
96 protected ImageSize imageSize; |
590 | 97 |
98 | |
85 | 99 /* loadSubimage is supported. */ |
100 public boolean isSubimageSupported() { | |
101 return true; | |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
102 } |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
103 |
85 | 104 public void setQuality(int qual) { |
105 quality = qual; | |
207 | 106 renderHint = new RenderingHints(null); |
352 | 107 // hint.put(RenderingHints.KEY_ANTIALIASING, |
279 | 108 // RenderingHints.VALUE_ANTIALIAS_OFF); |
85 | 109 // setup interpolation quality |
110 if (qual > 0) { | |
181 | 111 logger.debug("quality q1"); |
279 | 112 renderHint.put(RenderingHints.KEY_INTERPOLATION, |
113 RenderingHints.VALUE_INTERPOLATION_BICUBIC); | |
85 | 114 } else { |
181 | 115 logger.debug("quality q0"); |
279 | 116 renderHint.put(RenderingHints.KEY_INTERPOLATION, |
117 RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR); | |
85 | 118 } |
119 } | |
86 | 120 |
570 | 121 /* returns the size of the current image */ |
122 public ImageSize getSize() { | |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
123 if (imageSize == null) { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
124 int h = 0; |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
125 int w = 0; |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
126 try { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
127 if (img == null) { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
128 ImageReader reader = getReader(input); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
129 // get size from ImageReader |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
130 h = reader.getHeight(0); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
131 w = reader.getWidth(0); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
132 } else { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
133 // get size from image |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
134 h = img.getHeight(); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
135 w = img.getWidth(); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
136 } |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
137 imageSize = new ImageSize(w, h); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
138 } catch (IOException e) { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
139 logger.debug("error in getSize:", e); |
570 | 140 } |
141 } | |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
142 return imageSize; |
570 | 143 } |
1 | 144 |
464 | 145 /* returns a list of supported image formats */ |
531 | 146 public Iterator<String> getSupportedFormats() { |
464 | 147 String[] formats = ImageIO.getReaderFormatNames(); |
148 return Arrays.asList(formats).iterator(); | |
149 } | |
150 | |
588 | 151 /* Check image size and type and store in ImageInput */ |
152 public ImageInput identify(ImageInput input) throws IOException { | |
462
03ff7238c9d4
second try for flashpix support (doesn't work currently...)
robcast
parents:
402
diff
changeset
|
153 // try parent method first |
588 | 154 ImageInput ii = super.identify(input); |
155 if (ii != null) { | |
156 return ii; | |
462
03ff7238c9d4
second try for flashpix support (doesn't work currently...)
robcast
parents:
402
diff
changeset
|
157 } |
588 | 158 logger.debug("identifying (ImageIO) " + input); |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
159 ImageReader reader = null; |
590 | 160 try { |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
161 /* |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
162 * try ImageReader |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
163 */ |
590 | 164 reader = getReader(input); |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
165 // set size |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
166 ImageSize d = new ImageSize(reader.getWidth(0), reader.getHeight(0)); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
167 input.setSize(d); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
168 // set mime type |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
169 if (input.getMimetype() == null) { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
170 if (input.hasFile()) { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
171 String t = FileOps.mimeForFile(input.getFile()); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
172 input.setMimetype(t); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
173 } else { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
174 // FIXME: is format name a mime type??? |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
175 String t = reader.getFormatName(); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
176 input.setMimetype(t); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
177 } |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
178 } |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
179 return input; |
590 | 180 } catch (FileOpException e) { |
181 // maybe just our class doesn't know what to do | |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
182 logger.error("ImageLoaderDocuimage unable to identify:", e); |
590 | 183 return null; |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
184 } finally { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
185 if (reader != null) { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
186 reader.dispose(); |
588 | 187 } |
462
03ff7238c9d4
second try for flashpix support (doesn't work currently...)
robcast
parents:
402
diff
changeset
|
188 } |
03ff7238c9d4
second try for flashpix support (doesn't work currently...)
robcast
parents:
402
diff
changeset
|
189 } |
03ff7238c9d4
second try for flashpix support (doesn't work currently...)
robcast
parents:
402
diff
changeset
|
190 |
03ff7238c9d4
second try for flashpix support (doesn't work currently...)
robcast
parents:
402
diff
changeset
|
191 /* load image file */ |
588 | 192 public void loadImage(ImageInput ii) throws FileOpException { |
193 logger.debug("loadImage: " + ii); | |
194 this.input = ii; | |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
195 try { |
588 | 196 if (ii.hasImageInputStream()) { |
197 img = ImageIO.read(ii.getImageInputStream()); | |
198 } else if (ii.hasFile()) { | |
199 img = ImageIO.read(ii.getFile()); | |
200 } | |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
201 } catch (IOException e) { |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
202 throw new FileOpException("Error reading image."); |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
203 } |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
204 } |
1 | 205 |
279 | 206 /** |
207 * Get an ImageReader for the image file. | |
208 * | |
209 * @return | |
210 */ | |
587 | 211 public ImageReader getReader(ImageInput input) throws IOException { |
212 logger.debug("get ImageReader for " + input); | |
213 ImageInputStream istream = null; | |
214 if (input.hasImageInputStream()) { | |
215 // stream input | |
216 istream = input.getImageInputStream(); | |
217 } else if (input.hasFile()) { | |
218 // file only input | |
219 RandomAccessFile rf = new RandomAccessFile(input.getFile(), "r"); | |
220 istream = new FileImageInputStream(rf); | |
221 } else { | |
222 throw new FileOpException("Unable to get data from ImageInput"); | |
148 | 223 } |
565 | 224 Iterator<ImageReader> readers; |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
225 String mt = null; |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
226 if (input.hasMimetype()) { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
227 // check hasMimetype first or we might get into a loop |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
228 mt = input.getMimetype(); |
821 | 229 } else { |
230 // try file extension | |
231 mt = FileOps.mimeForFile(input.getFile()); | |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
232 } |
565 | 233 if (mt == null) { |
234 logger.debug("No mime-type. Trying automagic."); | |
235 readers = ImageIO.getImageReaders(istream); | |
236 } else { | |
237 logger.debug("File type:" + mt); | |
238 readers = ImageIO.getImageReadersByMIMEType(mt); | |
239 } | |
279 | 240 if (!readers.hasNext()) { |
565 | 241 throw new FileOpException("Can't find Reader to load File!"); |
279 | 242 } |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
243 ImageReader reader = readers.next(); |
149 | 244 /* are there more readers? */ |
207 | 245 logger.debug("ImageIO: this reader: " + reader.getClass()); |
564 | 246 /* while (readers.hasNext()) { |
207 | 247 logger.debug("ImageIO: next reader: " + readers.next().getClass()); |
564 | 248 } */ |
89 | 249 reader.setInput(istream); |
279 | 250 return reader; |
85 | 251 } |
252 | |
253 /* Load an image file into the Object. */ | |
588 | 254 public void loadSubimage(ImageInput ii, Rectangle region, int prescale) |
279 | 255 throws FileOpException { |
207 | 256 logger.debug("loadSubimage"); |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
257 this.input = ii; |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
258 ImageReader reader = null; |
85 | 259 try { |
590 | 260 reader = getReader(ii); |
85 | 261 // set up reader parameters |
262 ImageReadParam readParam = reader.getDefaultReadParam(); | |
263 readParam.setSourceRegion(region); | |
220 | 264 if (prescale > 1) { |
265 readParam.setSourceSubsampling(prescale, prescale, 0, 0); | |
266 } | |
85 | 267 // read image |
207 | 268 logger.debug("loading.."); |
85 | 269 img = reader.read(0, readParam); |
207 | 270 logger.debug("loaded"); |
85 | 271 } catch (IOException e) { |
272 throw new FileOpException("Unable to load File!"); | |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
273 } finally { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
274 if (reader != null) { |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
275 reader.dispose(); |
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
276 } |
85 | 277 } |
278 } | |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
279 |
86 | 280 /* write image of type mt to Stream */ |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
281 public void writeImage(String mt, OutputStream ostream) |
570 | 282 throws ImageOpException, ServletException { |
207 | 283 logger.debug("writeImage"); |
353 | 284 // setup output |
285 ImageWriter writer = null; | |
286 ImageOutputStream imgout = null; | |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
287 try { |
353 | 288 imgout = ImageIO.createImageOutputStream(ostream); |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
289 if (mt == "image/jpeg") { |
352 | 290 /* |
291 * JPEG doesn't do transparency so we have to convert any RGBA | |
292 * image to RGB :-( *Java2D BUG* | |
293 */ | |
294 if (img.getColorModel().hasAlpha()) { | |
295 logger.debug("BARF: JPEG with transparency!!"); | |
296 int w = img.getWidth(); | |
297 int h = img.getHeight(); | |
298 // BufferedImage.TYPE_INT_RGB seems to be fastest (JDK1.4.1, | |
299 // OSX) | |
300 int destType = BufferedImage.TYPE_INT_RGB; | |
301 BufferedImage img2 = new BufferedImage(w, h, destType); | |
302 img2.createGraphics().drawImage(img, null, 0, 0); | |
303 img = img2; | |
304 } | |
305 writer = (ImageWriter) ImageIO.getImageWritersByFormatName( | |
306 "jpeg").next(); | |
307 if (writer == null) { | |
570 | 308 throw new ImageOpException("Unable to get JPEG writer"); |
352 | 309 } |
310 ImageWriteParam param = writer.getDefaultWriteParam(); | |
311 if (quality > 1) { | |
312 // change JPEG compression quality | |
353 | 313 param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); |
469
11e11fe4d680
Improved performance of JAIDocuImage for large images
robcast
parents:
464
diff
changeset
|
314 //logger.debug("JPEG qual before: " |
11e11fe4d680
Improved performance of JAIDocuImage for large images
robcast
parents:
464
diff
changeset
|
315 // + Float.toString(param.getCompressionQuality())); |
352 | 316 param.setCompressionQuality(0.9f); |
469
11e11fe4d680
Improved performance of JAIDocuImage for large images
robcast
parents:
464
diff
changeset
|
317 //logger.debug("JPEG qual now: " |
11e11fe4d680
Improved performance of JAIDocuImage for large images
robcast
parents:
464
diff
changeset
|
318 // + Float.toString(param.getCompressionQuality())); |
352 | 319 } |
320 writer.setOutput(imgout); | |
321 // render output | |
322 logger.debug("writing"); | |
323 writer.write(null, new IIOImage(img, null, null), param); | |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
324 } else if (mt == "image/png") { |
352 | 325 // render output |
326 writer = (ImageWriter) ImageIO.getImageWritersByFormatName( | |
327 "png").next(); | |
328 if (writer == null) { | |
570 | 329 throw new ImageOpException("Unable to get PNG writer"); |
352 | 330 } |
331 writer.setOutput(imgout); | |
332 logger.debug("writing"); | |
333 writer.write(img); | |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
334 } else { |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
335 // unknown mime type |
570 | 336 throw new ImageOpException("Unknown mime type: " + mt); |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
337 } |
140 | 338 |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
339 } catch (IOException e) { |
570 | 340 logger.error("Error writing image:", e); |
341 throw new ServletException("Error writing image:", e); | |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
342 } |
801
72662bb585ba
remove all ServletOutputStream.flush(). (stupid me ;-)
robcast
parents:
596
diff
changeset
|
343 // TODO: should we: finally { writer.dispose(); } |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
344 } |
1 | 345 |
149 | 346 public void scale(double scale, double scaleY) throws ImageOpException { |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
347 logger.debug("scale: " + scale); |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
348 /* for downscaling in high quality the image is blurred first */ |
144 | 349 if ((scale <= 0.5) && (quality > 1)) { |
350 int bl = (int) Math.floor(1 / scale); | |
351 blur(bl); | |
352 } | |
207 | 353 /* then scaled */ |
279 | 354 AffineTransformOp scaleOp = new AffineTransformOp(AffineTransform |
355 .getScaleInstance(scale, scale), renderHint); | |
144 | 356 BufferedImage scaledImg = null; |
565 | 357 /* enforce destination image type (*Java2D BUG*) |
220 | 358 int type = img.getType(); |
279 | 359 if ((quality > 0) && (type != 0)) { |
207 | 360 logger.debug("creating destination image"); |
144 | 361 Rectangle2D dstBounds = scaleOp.getBounds2D(img); |
279 | 362 scaledImg = new BufferedImage((int) dstBounds.getWidth(), |
363 (int) dstBounds.getHeight(), type); | |
565 | 364 } */ |
207 | 365 logger.debug("scaling..."); |
144 | 366 scaledImg = scaleOp.filter(img, scaledImg); |
207 | 367 if (scaledImg == null) { |
368 throw new ImageOpException("Unable to scale"); | |
369 } | |
352 | 370 // DEBUG |
469
11e11fe4d680
Improved performance of JAIDocuImage for large images
robcast
parents:
464
diff
changeset
|
371 logger.debug("destination image type " + scaledImg.getType()); |
279 | 372 logger.debug("SCALE: " + scale + " ->" + scaledImg.getWidth() + "x" |
144 | 373 + scaledImg.getHeight()); |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
374 img = scaledImg; |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
375 } |
1 | 376 |
144 | 377 public void blur(int radius) throws ImageOpException { |
181 | 378 logger.debug("blur: " + radius); |
144 | 379 // minimum radius is 2 |
380 int klen = Math.max(radius, 2); | |
590 | 381 Kernel blur = null; |
382 if (klen < convolutionKernels.length) { | |
383 blur = convolutionKernels[klen]; | |
384 } else { | |
385 // calculate our own kernel | |
386 int ksize = klen * klen; | |
387 // kernel is constant 1/k | |
388 float f = 1f / ksize; | |
389 float[] kern = new float[ksize]; | |
390 for (int i = 0; i < ksize; ++i) { | |
391 kern[i] = f; | |
392 } | |
393 blur = new Kernel(klen, klen, kern); | |
144 | 394 } |
395 // blur with convolve operation | |
279 | 396 ConvolveOp blurOp = new ConvolveOp(blur, ConvolveOp.EDGE_NO_OP, |
397 renderHint); | |
565 | 398 BufferedImage blurredImg = null; |
145 | 399 // blur needs explicit destination image type for color *Java2D BUG* |
400 if (img.getType() == BufferedImage.TYPE_3BYTE_BGR) { | |
565 | 401 logger.debug("blur: fixing destination image type"); |
279 | 402 blurredImg = new BufferedImage(img.getWidth(), img.getHeight(), img |
403 .getType()); | |
145 | 404 } |
405 blurredImg = blurOp.filter(img, blurredImg); | |
144 | 406 img = blurredImg; |
407 } | |
408 | |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
409 public void crop(int x_off, int y_off, int width, int height) |
279 | 410 throws ImageOpException { |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
411 // setup Crop |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
412 BufferedImage croppedImg = img.getSubimage(x_off, y_off, width, height); |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
413 if (croppedImg == null) { |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
414 throw new ImageOpException("Unable to crop"); |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
415 } |
469
11e11fe4d680
Improved performance of JAIDocuImage for large images
robcast
parents:
464
diff
changeset
|
416 logger.debug("CROP:" + croppedImg.getWidth() + "x" |
11e11fe4d680
Improved performance of JAIDocuImage for large images
robcast
parents:
464
diff
changeset
|
417 + croppedImg.getHeight()); |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
418 img = croppedImg; |
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
419 } |
1 | 420 |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
421 public void enhance(float mult, float add) throws ImageOpException { |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
422 /* |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
423 * Only one constant should work regardless of the number of bands |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
424 * according to the JDK spec. Doesn't work on JDK 1.4 for OSX and Linux |
279 | 425 * (at least). RescaleOp scaleOp = new RescaleOp( (float)mult, |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
426 * (float)add, null); scaleOp.filter(img, img); |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
427 */ |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
428 |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
429 /* The number of constants must match the number of bands in the image. */ |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
430 int ncol = img.getColorModel().getNumComponents(); |
86 | 431 float[] dm = new float[ncol]; |
432 float[] da = new float[ncol]; | |
433 for (int i = 0; i < ncol; i++) { | |
434 dm[i] = (float) mult; | |
435 da[i] = (float) add; | |
85 | 436 } |
86 | 437 RescaleOp scaleOp = new RescaleOp(dm, da, null); |
85 | 438 scaleOp.filter(img, img); |
439 } | |
440 | |
279 | 441 public void enhanceRGB(float[] rgbm, float[] rgba) throws ImageOpException { |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
442 /* |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
443 * The number of constants must match the number of bands in the image. |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
444 * We do only 3 (RGB) bands. |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
445 */ |
86 | 446 int ncol = img.getColorModel().getNumColorComponents(); |
447 if ((ncol != 3) || (rgbm.length != 3) || (rgba.length != 3)) { | |
829 | 448 logger.debug("ERROR(enhance): unknown number of color bands or coefficients (" |
279 | 449 + ncol + ")"); |
86 | 450 return; |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
451 } |
279 | 452 RescaleOp scaleOp = new RescaleOp(rgbOrdered(rgbm), rgbOrdered(rgba), |
453 null); | |
86 | 454 scaleOp.filter(img, img); |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
455 } |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
456 |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
457 /** |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
458 * Ensures that the array f is in the right order to map the images RGB |
590 | 459 * components. (not sure what happens otherwise) |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
460 */ |
86 | 461 public float[] rgbOrdered(float[] fa) { |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
462 /* |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
463 * TODO: this is UGLY, UGLY!! |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
464 */ |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
465 float[] fb; |
86 | 466 int t = img.getType(); |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
467 if (img.getColorModel().hasAlpha()) { |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
468 fb = new float[4]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
469 if ((t == BufferedImage.TYPE_INT_ARGB) |
279 | 470 || (t == BufferedImage.TYPE_INT_ARGB_PRE)) { |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
471 // RGB Type |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
472 fb[0] = fa[0]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
473 fb[1] = fa[1]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
474 fb[2] = fa[2]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
475 fb[3] = 1f; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
476 } else { |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
477 // this isn't tested :-( |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
478 fb[0] = 1f; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
479 fb[1] = fa[0]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
480 fb[2] = fa[1]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
481 fb[3] = fa[2]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
482 } |
86 | 483 } else { |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
484 fb = new float[3]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
485 if (t == BufferedImage.TYPE_3BYTE_BGR) { |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
486 // BGR Type (actually it looks like RBG...) |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
487 fb[0] = fa[0]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
488 fb[1] = fa[2]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
489 fb[2] = fa[1]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
490 } else { |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
491 fb[0] = fa[0]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
492 fb[1] = fa[1]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
493 fb[2] = fa[2]; |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
494 } |
86 | 495 } |
496 return fb; | |
85 | 497 } |
498 | |
829 | 499 /* |
500 * (non-Javadoc) | |
501 * | |
502 * @see | |
503 * digilib.image.DocuImageImpl#colorOp(digilib.image.DocuImage.ColorOps) | |
504 */ | |
505 public void colorOp(ColorOp op) throws ImageOpException { | |
506 if (op == ColorOp.GRAYSCALE) { | |
507 // convert image to grayscale | |
834
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
508 logger.debug("Color op: grayscaling"); |
829 | 509 ColorConvertOp colop = new ColorConvertOp( |
838 | 510 ColorSpace.getInstance(ColorSpace.CS_GRAY), renderHint); |
829 | 511 img = colop.filter(img, null); |
834
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
512 } else if (op == ColorOp.INVERT) { |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
513 // invert colors i.e. invert every channel |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
514 logger.debug("Color op: inverting"); |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
515 // TODO: is this enough for all image types? |
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
516 LookupOp colop = new LookupOp(invertByteTable, renderHint); |
838 | 517 ColorModel cm = img.getColorModel(); |
839 | 518 logger.debug("colop: image="+img+" colormodel="+cm); |
834
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
519 img = colop.filter(img, null); |
829 | 520 } |
834
c07c21ac78f9
color invert operation. doesn't work with all image types yet...
robcast
parents:
831
diff
changeset
|
521 |
829 | 522 } |
523 | |
140 | 524 public void rotate(double angle) throws ImageOpException { |
89 | 525 // setup rotation |
526 double rangle = Math.toRadians(angle); | |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
527 // create offset to make shure the rotated image has no negative |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
528 // coordinates |
101 | 529 double w = img.getWidth(); |
530 double h = img.getHeight(); | |
103 | 531 AffineTransform trafo = new AffineTransform(); |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
532 // center of rotation |
103 | 533 double x = (w / 2); |
534 double y = (h / 2); | |
101 | 535 trafo.rotate(rangle, x, y); |
103 | 536 // try rotation to see how far we're out of bounds |
207 | 537 AffineTransformOp rotOp = new AffineTransformOp(trafo, renderHint); |
103 | 538 Rectangle2D rotbounds = rotOp.getBounds2D(img); |
539 double xoff = rotbounds.getX(); | |
540 double yoff = rotbounds.getY(); | |
541 // move image back in line | |
565 | 542 trafo.preConcatenate(AffineTransform.getTranslateInstance(-xoff, -yoff)); |
101 | 543 // transform image |
207 | 544 rotOp = new AffineTransformOp(trafo, renderHint); |
89 | 545 BufferedImage rotImg = rotOp.filter(img, null); |
101 | 546 // calculate new bounding box |
352 | 547 // Rectangle2D bounds = rotOp.getBounds2D(img); |
103 | 548 img = rotImg; |
101 | 549 // crop new image (with self-made rounding) |
170
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
550 /* |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
551 * img = rotImg.getSubimage( (int) (bounds.getX()+0.5), (int) |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
552 * (bounds.getY()+0.5), (int) (bounds.getWidth()+0.5), (int) |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
553 * (bounds.getHeight()+0.5)); |
d40922628e4a
Servlet Version 1.16b2 with new DigilibParameter code.
robcast
parents:
159
diff
changeset
|
554 */ |
86 | 555 } |
85 | 556 |
89 | 557 public void mirror(double angle) throws ImageOpException { |
558 // setup mirror | |
559 double mx = 1; | |
560 double my = 1; | |
561 double tx = 0; | |
562 double ty = 0; | |
144 | 563 if (Math.abs(angle - 0) < epsilon) { // 0 degree |
89 | 564 mx = -1; |
565 tx = getWidth(); | |
144 | 566 } else if (Math.abs(angle - 90) < epsilon) { // 90 degree |
89 | 567 my = -1; |
568 ty = getHeight(); | |
144 | 569 } else if (Math.abs(angle - 180) < epsilon) { // 180 degree |
89 | 570 mx = -1; |
571 tx = getWidth(); | |
144 | 572 } else if (Math.abs(angle - 270) < epsilon) { // 270 degree |
89 | 573 my = -1; |
574 ty = getHeight(); | |
144 | 575 } else if (Math.abs(angle - 360) < epsilon) { // 360 degree |
89 | 576 mx = -1; |
577 tx = getWidth(); | |
578 } | |
279 | 579 AffineTransformOp mirOp = new AffineTransformOp(new AffineTransform(mx, |
580 0, 0, my, tx, ty), renderHint); | |
89 | 581 BufferedImage mirImg = mirOp.filter(img, null); |
582 img = mirImg; | |
79
63c8186455c1
Servlet version 1.6b. Further cleanup and new functionality:
robcast
parents:
73
diff
changeset
|
583 } |
86 | 584 |
207 | 585 public void dispose() { |
819
a23c4c15a6a8
clean up possible resource leaks. better behaviour with unknown image types.
robcast
parents:
801
diff
changeset
|
586 // is this necessary? |
148 | 587 img = null; |
588 } | |
589 | |
533 | 590 public Image getAwtImage(){ |
496 | 591 return (Image) img; |
592 } | |
593 | |
594 | |
1 | 595 } |