forked from rrcarlosr/Jetpack
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
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/*
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* (C) Copyright 2003-2004
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* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/*
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* Neutralize little endians.
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*/
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#define SWAP_LONG(data) ((unsigned long) \
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(((unsigned long)(data) >> 24) | \
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((unsigned long)(data) << 24) | \
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(((unsigned long)(data) >> 8) & 0x0000ff00 ) | \
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(((unsigned long)(data) << 8) & 0x00ff0000 )))
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#define SWAP_SHORT(data) ((unsigned short) \
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(((unsigned short)(data) >> 8 ) | \
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((unsigned short)(data) << 8 )))
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#define LOAD_LONG(data) SWAP_LONG(data)
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#define LOAD_SHORT(data) SWAP_SHORT(data)
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#define S1D_WRITE_PALETTE(p,i,r,g,b) \
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{ \
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out_8(&((uchar*)(p))[palette_index], (uchar)(i)); \
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out_8(&((uchar*)(p))[palette_index], (uchar)(r)); \
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out_8(&((uchar*)(p))[palette_index], (uchar)(g)); \
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out_8(&((uchar*)(p))[palette_index], (uchar)(b)); \
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}
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typedef struct
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{
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ushort Index;
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uchar Value;
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} S1D_REGS;
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typedef struct /**** BMP file info structure ****/
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{
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unsigned int biSize; /* Size of info header */
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int biWidth; /* Width of image */
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int biHeight; /* Height of image */
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unsigned short biPlanes; /* Number of color planes */
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unsigned short biBitCount; /* Number of bits per pixel */
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unsigned int biCompression; /* Type of compression to use */
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unsigned int biSizeImage; /* Size of image data */
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int biXPelsPerMeter; /* X pixels per meter */
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int biYPelsPerMeter; /* Y pixels per meter */
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unsigned int biClrUsed; /* Number of colors used */
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unsigned int biClrImportant; /* Number of important colors */
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} BITMAPINFOHEADER;
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