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comparison dwt/internal/image/PngIhdrChunk.d @ 212:ab60f3309436

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reverted the char[] to String and use the an alias.
author Frank Benoit <benoit@tionex.de>
date Mon, 05 May 2008 00:12:38 +0200
parents 9a64a7781bab
children 36f5cb12e1a2
comparison
equal deleted inserted replaced
211:ff59aeb96cac 212:ab60f3309436
1 /******************************************************************************* 1 /*******************************************************************************
2 * Copyright (c) 2000, 2006 IBM Corporation and others. 2 * Copyright (c) 2000, 2006 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials 3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0 4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at 5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html 6 * http://www.eclipse.org/legal/epl-v10.html
18 import dwt.graphics.RGB; 18 import dwt.graphics.RGB;
19 import dwt.internal.image.PngFileReadState; 19 import dwt.internal.image.PngFileReadState;
20 import dwt.internal.image.PngIhdrChunk; 20 import dwt.internal.image.PngIhdrChunk;
21 import dwt.internal.image.PngChunk; 21 import dwt.internal.image.PngChunk;
22 import tango.text.convert.Format; 22 import tango.text.convert.Format;
23 import dwt.dwthelper.utils;
23 24
24 class PngIhdrChunk : PngChunk { 25 class PngIhdrChunk : PngChunk {
25 static const int IHDR_DATA_LENGTH = 13; 26 static const int IHDR_DATA_LENGTH = 13;
26 27
27 static const int WIDTH_DATA_OFFSET = DATA_OFFSET + 0; 28 static const int WIDTH_DATA_OFFSET = DATA_OFFSET + 0;
269 if (colorType is COLOR_TYPE_PALETTE && bitDepth > 8) { 270 if (colorType is COLOR_TYPE_PALETTE && bitDepth > 8) {
270 DWT.error(DWT.ERROR_INVALID_IMAGE); 271 DWT.error(DWT.ERROR_INVALID_IMAGE);
271 } 272 }
272 } 273 }
273 274
274 char[] getColorTypeString() { 275 String getColorTypeString() {
275 switch (colorType) { 276 switch (colorType) {
276 case COLOR_TYPE_GRAYSCALE: return "Grayscale"; 277 case COLOR_TYPE_GRAYSCALE: return "Grayscale";
277 case COLOR_TYPE_RGB: return "RGB"; 278 case COLOR_TYPE_RGB: return "RGB";
278 case COLOR_TYPE_PALETTE: return "Palette"; 279 case COLOR_TYPE_PALETTE: return "Palette";
279 case COLOR_TYPE_GRAYSCALE_WITH_ALPHA: return "Grayscale with Alpha"; 280 case COLOR_TYPE_GRAYSCALE_WITH_ALPHA: return "Grayscale with Alpha";
280 case COLOR_TYPE_RGB_WITH_ALPHA: return "RGB with Alpha"; 281 case COLOR_TYPE_RGB_WITH_ALPHA: return "RGB with Alpha";
281 default: return "Unknown - " ~ cast(char)colorType; 282 default: return "Unknown - " ~ cast(char)colorType;
282 } 283 }
283 } 284 }
284 285
285 char[] getFilterMethodString() { 286 String getFilterMethodString() {
286 switch (filterMethod) { 287 switch (filterMethod) {
287 case FILTER_NONE: return "None"; 288 case FILTER_NONE: return "None";
288 case FILTER_SUB: return "Sub"; 289 case FILTER_SUB: return "Sub";
289 case FILTER_UP: return "Up"; 290 case FILTER_UP: return "Up";
290 case FILTER_AVERAGE: return "Average"; 291 case FILTER_AVERAGE: return "Average";
291 case FILTER_PAETH: return "Paeth"; 292 case FILTER_PAETH: return "Paeth";
292 default: return "Unknown"; 293 default: return "Unknown";
293 } 294 }
294 } 295 }
295 296
296 char[] getInterlaceMethodString() { 297 String getInterlaceMethodString() {
297 switch (interlaceMethod) { 298 switch (interlaceMethod) {
298 case INTERLACE_METHOD_NONE: return "Not Interlaced"; 299 case INTERLACE_METHOD_NONE: return "Not Interlaced";
299 case INTERLACE_METHOD_ADAM7: return "Interlaced - ADAM7"; 300 case INTERLACE_METHOD_ADAM7: return "Interlaced - ADAM7";
300 default: return "Unknown"; 301 default: return "Unknown";
301 } 302 }
302 } 303 }
303 304
304 override char[] contributeToString() { 305 override String contributeToString() {
305 return Format( "\n\tWidth: {}\n\tHeight: {}\n\tBit Depth: {}\n\tColor Type: {}\n\tCompression Method: {}\n\tFilter Method: {}\n\tInterlace Method: {}", 306 return Format( "\n\tWidth: {}\n\tHeight: {}\n\tBit Depth: {}\n\tColor Type: {}\n\tCompression Method: {}\n\tFilter Method: {}\n\tInterlace Method: {}",
306 width, height, bitDepth, getColorTypeString(), compressionMethod, getFilterMethodString(), getInterlaceMethodString() ); 307 width, height, bitDepth, getColorTypeString(), compressionMethod, getFilterMethodString(), getInterlaceMethodString() );
307 } 308 }
308 309
309 bool getMustHavePalette() { 310 bool getMustHavePalette() {