2 * (C) Copyright 2003-2004
3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * Neutralize little endians.
27 #define SWAP_LONG(data) ((unsigned long) \
28 (((unsigned long)(data) >> 24) | \
29 ((unsigned long)(data) << 24) | \
30 (((unsigned long)(data) >> 8) & 0x0000ff00 ) | \
31 (((unsigned long)(data) << 8) & 0x00ff0000 )))
32 #define SWAP_SHORT(data) ((unsigned short) \
33 (((unsigned short)(data) >> 8 ) | \
34 ((unsigned short)(data) << 8 )))
35 #define LOAD_LONG(data) SWAP_LONG(data)
36 #define LOAD_SHORT(data) SWAP_SHORT(data)
38 #define S1D_WRITE_PALETTE(p,i,r,g,b) \
40 out_8(&((uchar*)(p))[palette_index], (uchar)(i)); \
41 out_8(&((uchar*)(p))[palette_index], (uchar)(r)); \
42 out_8(&((uchar*)(p))[palette_index], (uchar)(g)); \
43 out_8(&((uchar*)(p))[palette_index], (uchar)(b)); \
52 typedef struct /**** BMP file info structure ****/
54 unsigned int biSize; /* Size of info header */
55 int biWidth; /* Width of image */
56 int biHeight; /* Height of image */
57 unsigned short biPlanes; /* Number of color planes */
58 unsigned short biBitCount; /* Number of bits per pixel */
59 unsigned int biCompression; /* Type of compression to use */
60 unsigned int biSizeImage; /* Size of image data */
61 int biXPelsPerMeter; /* X pixels per meter */
62 int biYPelsPerMeter; /* Y pixels per meter */
63 unsigned int biClrUsed; /* Number of colors used */
64 unsigned int biClrImportant; /* Number of important colors */