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comparison dwt/internal/image/PngChunkReader.d @ 7:e831403a80a9

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Add 'cast' to casts
author Frank Benoit <benoit@tionex.de>
date Wed, 27 Aug 2008 14:30:35 +0200
parents 1a8b3cb347e0
children 5123b17c98ef
comparison
equal deleted inserted replaced
6:b903c16b6f48 7:e831403a80a9
28 PngIhdrChunk getIhdrChunk() { 28 PngIhdrChunk getIhdrChunk() {
29 if (headerChunk is null) { 29 if (headerChunk is null) {
30 try { 30 try {
31 PngChunk chunk = PngChunk.readNextFromStream(inputStream); 31 PngChunk chunk = PngChunk.readNextFromStream(inputStream);
32 if (chunk is null) DWT.error(DWT.ERROR_INVALID_IMAGE); 32 if (chunk is null) DWT.error(DWT.ERROR_INVALID_IMAGE);
33 headerChunk = (PngIhdrChunk) chunk; 33 headerChunk = cast(PngIhdrChunk) chunk;
34 headerChunk.validate(readState, null); 34 headerChunk.validate(readState, null);
35 } catch (ClassCastException e) { 35 } catch (ClassCastException e) {
36 DWT.error(DWT.ERROR_INVALID_IMAGE); 36 DWT.error(DWT.ERROR_INVALID_IMAGE);
37 } 37 }
38 } 38 }
44 44
45 PngChunk chunk = PngChunk.readNextFromStream(inputStream); 45 PngChunk chunk = PngChunk.readNextFromStream(inputStream);
46 if (chunk is null) DWT.error(DWT.ERROR_INVALID_IMAGE); 46 if (chunk is null) DWT.error(DWT.ERROR_INVALID_IMAGE);
47 switch (chunk.getChunkType()) { 47 switch (chunk.getChunkType()) {
48 case PngChunk.CHUNK_tRNS: 48 case PngChunk.CHUNK_tRNS:
49 ((PngTrnsChunk) chunk).validate(readState, headerChunk, paletteChunk); 49 (cast(PngTrnsChunk) chunk).validate(readState, headerChunk, paletteChunk);
50 break; 50 break;
51 case PngChunk.CHUNK_PLTE: 51 case PngChunk.CHUNK_PLTE:
52 chunk.validate(readState, headerChunk); 52 chunk.validate(readState, headerChunk);
53 paletteChunk = (PngPlteChunk) chunk; 53 paletteChunk = cast(PngPlteChunk) chunk;
54 break; 54 break;
55 default: 55 default:
56 chunk.validate(readState, headerChunk); 56 chunk.validate(readState, headerChunk);
57 } 57 }
58 if (readState.readIDAT && !(chunk.getChunkType() is PngChunk.CHUNK_IDAT)) { 58 if (readState.readIDAT && !(chunk.getChunkType() is PngChunk.CHUNK_IDAT)) {