1 /* ----------------------------------------------------------------------- *
2 *
3 * Copyright 2012 Paulo Alcantara <pcacjr@zytor.com>
4 *
5 * Permission is hereby granted, free of charge, to any person
6 * obtaining a copy of this software and associated documentation
7 * files (the "Software"), to deal in the Software without
8 * restriction, including without limitation the rights to use,
9 * copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom
11 * the Software is furnished to do so, subject to the following
12 * conditions:
13 *
14 * The above copyright notice and this permission notice shall
15 * be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
19 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
22 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * ----------------------------------------------------------------------- */
27
28 #ifndef GRAPHICS_H_
29 #define GRAPHICS_H_
30
31 #include <stddef.h>
32
33 #include "core.h"
34 #include "fs.h"
35
36 #ifdef IS_SYSLINUX
37 #define VGA_FILE_BUF_SIZE (FILENAME_MAX + 2)
38 #else
39 #define VGA_FILE_BUF_SIZE FILENAME_MAX
40 #endif
41
42 extern uint8_t UsingVGA;
43 extern uint16_t VGAPos;
44 extern uint16_t *VGAFilePtr;
45 extern char VGAFileBuf[VGA_FILE_BUF_SIZE];
46 extern char VGAFileMBuf[];
47 extern uint16_t VGAFontSize;
48
49 extern uint8_t UserFont;
50
51 extern char fontbuf[8192];
52
53 extern void vgadisplayfile(FILE *_fd);
54 extern void using_vga(uint8_t vga, uint16_t pix_cols, uint16_t pix_rows);
55
graphics_using_vga(uint8_t vga,uint16_t pix_cols,uint16_t pix_rows)56 static inline void graphics_using_vga(uint8_t vga, uint16_t pix_cols,
57 uint16_t pix_rows)
58 {
59 using_vga(vga, pix_cols, pix_rows);
60 }
61
62 #endif /* GRAPHICS_H_ */
63