author | peter1138 |
Sun, 03 Aug 2008 17:35:08 +0000 | |
changeset 9834 | 7474149531c1 |
parent 9111 | 48ce04029fe4 |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file bmp.h Read and write support for bmps. */ |
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#ifndef BMP_H |
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#define BMP_H |
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#include "gfx_type.h" |
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struct BmpInfo { |
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uint32 offset; ///< offset of bitmap data from .bmp file begining |
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uint32 width; ///< bitmap width |
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uint32 height; ///< bitmap height |
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bool os2_bmp; ///< true if OS/2 1.x or windows 2.x bitmap |
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uint16 bpp; ///< bits per pixel |
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uint32 compression; ///< compression method (0 = none, 1 = 8-bit RLE, 2 = 4-bit RLE) |
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uint32 palette_size; ///< number of colors in palette |
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}; |
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struct BmpData { |
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Colour *palette; |
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byte *bitmap; |
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}; |
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#define BMP_BUFFER_SIZE 1024 |
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struct BmpBuffer { |
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byte data[BMP_BUFFER_SIZE]; |
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int pos; |
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int read; |
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FILE *file; |
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uint real_pos; |
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}; |
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void BmpInitializeBuffer(BmpBuffer *buffer, FILE *file); |
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bool BmpReadHeader(BmpBuffer *buffer, BmpInfo *info, BmpData *data); |
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bool BmpReadBitmap(BmpBuffer *buffer, BmpInfo *info, BmpData *data); |
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void BmpDestroyData(BmpData *data); |
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#endif /* BMP_H */ |