1 /* ----------------------------------------------------------------------- * 2 * 3 * Copyright 2012 Paulo Alcantara <pcacjr (at) 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 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
