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comparison dwt/internal/image/TIFFDirectory.d @ 6:b903c16b6f48

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Removed throws decls
author Frank Benoit <benoit@tionex.de>
date Wed, 27 Aug 2008 14:10:03 +0200
parents 1a8b3cb347e0
children 5123b17c98ef
comparison
equal deleted inserted replaced
5:1a8b3cb347e0 6:b903c16b6f48
113 113
114 int getEntryValue(int type, byte[] buffer, int index) { 114 int getEntryValue(int type, byte[] buffer, int index) {
115 return toInt(buffer, index + 8, type); 115 return toInt(buffer, index + 8, type);
116 } 116 }
117 117
118 void getEntryValue(int type, byte[] buffer, int index, int[] values) throws IOException { 118 void getEntryValue(int type, byte[] buffer, int index, int[] values) {
119 int start = index + 8; 119 int start = index + 8;
120 int size; 120 int size;
121 int offset = toInt(buffer, start, TYPE_LONG); 121 int offset = toInt(buffer, start, TYPE_LONG);
122 switch (type) { 122 switch (type) {
123 case TYPE_SHORT: size = 2; break; 123 case TYPE_SHORT: size = 2; break;
136 for (int i = 0; i < values.length; i++) { 136 for (int i = 0; i < values.length; i++) {
137 values[i] = toInt(buffer, start + i * size, type); 137 values[i] = toInt(buffer, start + i * size, type);
138 } 138 }
139 } 139 }
140 140
141 void decodePixels(ImageData image) throws IOException { 141 void decodePixels(ImageData image) {
142 /* Each row is byte aligned */ 142 /* Each row is byte aligned */
143 byte[] imageData = new byte[(imageWidth * depth + 7) / 8 * imageLength]; 143 byte[] imageData = new byte[(imageWidth * depth + 7) / 8 * imageLength];
144 image.data = imageData; 144 image.data = imageData;
145 int destIndex = 0; 145 int destIndex = 0;
146 int length = stripOffsets.length; 146 int length = stripOffsets.length;
167 loader.notifyListeners(new ImageLoaderEvent(loader, image, i, i is length - 1)); 167 loader.notifyListeners(new ImageLoaderEvent(loader, image, i, i is length - 1));
168 } 168 }
169 } 169 }
170 } 170 }
171 171
172 PaletteData getColorMap() throws IOException { 172 PaletteData getColorMap() {
173 int numColors = 1 << bitsPerSample[0]; 173 int numColors = 1 << bitsPerSample[0];
174 /* R, G, B entries are 16 bit wide (2 bytes) */ 174 /* R, G, B entries are 16 bit wide (2 bytes) */
175 int numBytes = 3 * 2 * numColors; 175 int numBytes = 3 * 2 * numColors;
176 byte[] buffer = new byte[numBytes]; 176 byte[] buffer = new byte[numBytes];
177 file.seek(colorMapOffset); 177 file.seek(colorMapOffset);
296 colorMap[i + offsetBlue] = rgbs[i].blue << 8 | rgbs[i].blue; 296 colorMap[i + offsetBlue] = rgbs[i].blue << 8 | rgbs[i].blue;
297 } 297 }
298 return colorMap; 298 return colorMap;
299 } 299 }
300 300
301 void parseEntries(byte[] buffer) throws IOException { 301 void parseEntries(byte[] buffer) {
302 for (int offset = 0; offset < buffer.length; offset += IFD_ENTRY_SIZE) { 302 for (int offset = 0; offset < buffer.length; offset += IFD_ENTRY_SIZE) {
303 int tag = toInt(buffer, offset, TYPE_SHORT); 303 int tag = toInt(buffer, offset, TYPE_SHORT);
304 int type = toInt(buffer, offset + 2, TYPE_SHORT); 304 int type = toInt(buffer, offset + 2, TYPE_SHORT);
305 int count = toInt(buffer, offset + 4, TYPE_LONG); 305 int count = toInt(buffer, offset + 4, TYPE_LONG);
306 switch (tag) { 306 switch (tag) {
377 } 377 }
378 } 378 }
379 } 379 }
380 } 380 }
381 381
382 public ImageData read() throws IOException { 382 public ImageData read() {
383 /* Set TIFF default values */ 383 /* Set TIFF default values */
384 bitsPerSample = new int[] {1}; 384 bitsPerSample = new int[] {1};
385 colorMapOffset = NO_VALUE; 385 colorMapOffset = NO_VALUE;
386 compression = 1; 386 compression = 1;
387 imageLength = NO_VALUE; 387 imageLength = NO_VALUE;
464 /* Invalid type */ 464 /* Invalid type */
465 DWT.error(DWT.ERROR_INVALID_IMAGE); 465 DWT.error(DWT.ERROR_INVALID_IMAGE);
466 return -1; 466 return -1;
467 } 467 }
468 468
469 void write(int photometricInterpretation) throws IOException { 469 void write(int photometricInterpretation) {
470 bool isRGB = photometricInterpretation is 2; 470 bool isRGB = photometricInterpretation is 2;
471 bool isColorMap = photometricInterpretation is 3; 471 bool isColorMap = photometricInterpretation is 3;
472 bool isBiLevel = photometricInterpretation is 0 || photometricInterpretation is 1; 472 bool isBiLevel = photometricInterpretation is 0 || photometricInterpretation is 1;
473 473
474 int imageWidth = image.width; 474 int imageWidth = image.width;
565 565
566 /* Image Data */ 566 /* Image Data */
567 out.write(data); 567 out.write(data);
568 } 568 }
569 569
570 void writeEntry(short tag, int type, int count, int value) throws IOException { 570 void writeEntry(short tag, int type, int count, int value) {
571 out.writeShort(tag); 571 out.writeShort(tag);
572 out.writeShort(type); 572 out.writeShort(type);
573 out.writeInt(count); 573 out.writeInt(count);
574 out.writeInt(value); 574 out.writeInt(value);
575 } 575 }
576 576
577 void writeHeader() throws IOException { 577 void writeHeader() {
578 /* little endian */ 578 /* little endian */
579 out.write(0x49); 579 out.write(0x49);
580 out.write(0x49); 580 out.write(0x49);
581 581
582 /* TIFF identifier */ 582 /* TIFF identifier */
586 * It is word aligned and immediately after this header. 586 * It is word aligned and immediately after this header.
587 */ 587 */
588 out.writeInt(8); 588 out.writeInt(8);
589 } 589 }
590 590
591 void writeToStream(LEDataOutputStream byteStream) throws IOException { 591 void writeToStream(LEDataOutputStream byteStream) {
592 out = byteStream; 592 out = byteStream;
593 int photometricInterpretation = -1; 593 int photometricInterpretation = -1;
594 594
595 /* Scanline pad must be 1 */ 595 /* Scanline pad must be 1 */
596 if (image.scanlinePad !is 1) DWT.error(DWT.ERROR_UNSUPPORTED_FORMAT); 596 if (image.scanlinePad !is 1) DWT.error(DWT.ERROR_UNSUPPORTED_FORMAT);