blob: 023a86b1752b1c5ef4930fc00147030f8edacecf
1 | /* |
2 | * CGA/EGA/VGA ROM data |
3 | * |
4 | * This file is part of FFmpeg. |
5 | * |
6 | * FFmpeg is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2.1 of the License, or (at your option) any later version. |
10 | * |
11 | * FFmpeg is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Lesser General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Lesser General Public |
17 | * License along with FFmpeg; if not, write to the Free Software |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
19 | */ |
20 | |
21 | /** |
22 | * @file |
23 | * CGA/EGA/VGA ROM data |
24 | * @note fonts are in libavutil/xga_font_data.[ch] |
25 | */ |
26 | |
27 | #include <stdint.h> |
28 | #include "cga_data.h" |
29 | |
30 | const uint32_t ff_cga_palette[16] = { |
31 | 0xFF000000, 0xFF0000AA, 0xFF00AA00, 0xFF00AAAA, 0xFFAA0000, 0xFFAA00AA, 0xFFAA5500, 0xFFAAAAAA, |
32 | 0xFF555555, 0xFF5555FF, 0xFF55FF55, 0xFF55FFFF, 0xFFFF5555, 0xFFFF55FF, 0xFFFFFF55, 0xFFFFFFFF, |
33 | }; |
34 | |
35 | const uint32_t ff_ega_palette[64] = { |
36 | 0xFF000000, 0xFF0000AA, 0xFF00AA00, 0xFF00AAAA, 0xFFAA0000, 0xFFAA00AA, 0xFFAAAA00, 0xFFAAAAAA, |
37 | 0xFF000055, 0xFF0000FF, 0xFF00AA55, 0xFF00AAFF, 0xFFAA0055, 0xFFAA00FF, 0xFFAAAA55, 0xFFAAAAFF, |
38 | 0xFF005500, 0xFF0055AA, 0xFF00FF00, 0xFF00FFAA, 0xFFAA5500, 0xFFAA55AA, 0xFFAAFF00, 0xFFAAFFAA, |
39 | 0xFF005555, 0xFF0055FF, 0xFF00FF55, 0xFF00FFFF, 0xFFAA5555, 0xFFAA55FF, 0xFFAAFF55, 0xFFAAFFFF, |
40 | 0xFF550000, 0xFF5500AA, 0xFF55AA00, 0xFF55AAAA, 0xFFFF0000, 0xFFFF00AA, 0xFFFFAA00, 0xFFFFAAAA, |
41 | 0xFF550055, 0xFF5500FF, 0xFF55AA55, 0xFF55AAFF, 0xFFFF0055, 0xFFFF00FF, 0xFFFFAA55, 0xFFFFAAFF, |
42 | 0xFF555500, 0xFF5555AA, 0xFF55FF00, 0xFF55FFAA, 0xFFFF5500, 0xFFFF55AA, 0xFFFFFF00, 0xFFFFFFAA, |
43 | 0xFF555555, 0xFF5555FF, 0xFF55FF55, 0xFF55FFFF, 0xFFFF5555, 0xFFFF55FF, 0xFFFFFF55, 0xFFFFFFFF |
44 | }; |
45 | |
46 | void ff_draw_pc_font(uint8_t *dst, int linesize, const uint8_t *font, int font_height, int ch, int fg, int bg) |
47 | { |
48 | int char_y, mask; |
49 | for (char_y = 0; char_y < font_height; char_y++) { |
50 | for (mask = 0x80; mask; mask >>= 1) { |
51 | *dst++ = font[ch * font_height + char_y] & mask ? fg : bg; |
52 | } |
53 | dst += linesize - 8; |
54 | } |
55 | } |
56 |