| 0,0 → 1,94 |
|---|
| /* |
| * video library - provides a few functions for mode 4 and 13h programming. |
| * |
| * This file is part of the Mateusz' DOS Routines (MDR): http://mdr.osdn.io |
| * Published under the terms of the MIT License, as stated below. |
| * |
| * Copyright (C) 2014-2023 Mateusz Viste |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #ifndef MDR_VIDEO_H |
| |
| #define MDR_VIDEO_H |
| |
| #define VIDEO_DBUF 1 |
| |
| struct video_handler { |
| unsigned char far *dbuf; |
| int flags; |
| int mode; |
| unsigned char lastmode; |
| }; |
| |
| /* returns 0 if no VGA has been detected, non-zero otherwise */ |
| int video_detectvga(void); |
| |
| /* returns 0 if no EGA has been detected, non-zero otherwise */ |
| int video_detectega(void); |
| |
| /* init video mode. either 0x04 for CGA or 0x13 for VGA */ |
| struct video_handler *video_open(int mode, int flags); |
| |
| /* reads a screen dump from file and puts it to the screen buffer */ |
| void video_file2screen(struct video_handler *handler, char *file); |
| |
| /* load count colors of palette from array of rgb triplets */ |
| void video_loadpal(const unsigned char *pal, int count, int offset); |
| |
| /* Wait until VBLANK */ |
| void video_waitvblank(void); |
| |
| void video_flip(struct video_handler *handler); |
| |
| /* copies line ysrc over ydst in CGA mode memory */ |
| void video_cgalinecopy(struct video_handler *handler, int ydst, int ysrc); |
| |
| /* clear screen using color */ |
| void video_cls(struct video_handler *handler, unsigned char color); |
| |
| /* renders a sprite of width and height dimensions onscreen, starting at specified x/y location |
| coloffset is an offset to add to color indexes, while transp is the index of the transparent color (set to -1 if none) */ |
| void video_putsprite(struct video_handler *handler, unsigned char *sprite, int x, int y, int width, int height, int coloffset, int transp, int maxcol); |
| |
| /* same as video_putsprite(), but reads the sprite from a file */ |
| void video_putspritefromfile(struct video_handler *handler, char *file, long foffset, int x, int y, int width, int height, int coloffset, int transp, int maxcol); |
| |
| void video_close(struct video_handler *handler); |
| |
| void video_rputpixel(struct video_handler *handler, int x, int y, unsigned char col, int repeat); |
| |
| /* render a horizontal line of length len starting at x/y */ |
| void video_hline(struct video_handler *handler, int x, int y, int len, unsigned char color); |
| |
| /* render a vertical line of length len starting at x/y */ |
| void video_vline(struct video_handler *handler, int x, int y, int len, unsigned char color); |
| |
| void video_line(struct video_handler *handler, int x1, int y1, int x2, int y2, unsigned char color); |
| |
| void video_rect(struct video_handler *handler, int x, int y, int width, int height, unsigned char color); |
| |
| /* renders a rectangle on screen, at position x/y, filled with color */ |
| void video_rectfill(struct video_handler *handler, int x, int y, int width, int height, unsigned char color); |
| |
| void video_setpalette(unsigned char index, unsigned char r, unsigned char g, unsigned char b); |
| |
| void video_getpalette(unsigned char index, unsigned char *r, unsigned char *g, unsigned char *b); |
| #endif |