| 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 | } |