qdgdf_video_ext.h

   1 /*
   2
   3         Extension to the Quick and Dirty Game Development Framework (QDGDF)
   4
   5         Copyright (C) 2001 Daniel Compton  <C_Anon01@yahoo.com>
   6
   7         This program is free software; you can redistribute it and/or
   8         modify it under the terms of the GNU General Public License
   9         as published by the Free Software Foundation; either version 2
  10         of the License, or (at your option) any later version.
  11
  12         This program is distributed in the hope that it will be useful,
  13         but WITHOUT ANY WARRANTY; without even the implied warranty of
  14         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15         GNU General Public License for more details.
  16
  17         You should have received a copy of the GNU General Public License
  18         along with this program; if not, write to the Free Software
  19         Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20
  21 */
  22
  23 #ifndef QDGDF_VIDEO_EXT_H_
  24 #define QDGDF_VIDEO_EXT_H_
  25
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <math.h>
  29 #include "qdgdf_video.h"
  30
  31 #define RGB(r, g, b) (((unsigned char)(r) | ((unsigned short)((unsigned char)(g)) << 8)) | \
  32                         (((unsigned int)(unsigned char)(b)) << 16))
  33
  34 #define GetRValue(rgb) ((unsigned char)(rgb))
  35 #define GetGValue(rgb) ((unsigned char)(((unsigned short)(rgb)) >> 8))
  36 #define GetBValue(rgb) ((unsigned char)((rgb) >> 16))
  37
  38 /* no protections on any memory overwrite errors */
  39 void qdgdfv_display_pcx(unsigned char *pcx, unsigned int w, unsigned int h,
  40                         unsigned int x, unsigned int y);
  41
  42 /* safe: this will cut the image off if it will not fit in the virtual screen */
  43 /* returns 0 if the image will not fit at all (no writting will be done), 1 otherwise */
  44 int qdgdfv_display_pcx_safe(unsigned char *pcx, unsigned int w,
  45                             unsigned int h, unsigned int x,
  46                             unsigned int y);
  47
  48 /* full: this will move the image so that the whole image will be viewable and not cut off */
  49 /* returns 0 if the image will not fit at all (no writting will be done), 1 otherwise */
  50 int qdgdfv_display_pcx_full(unsigned char *pcx, unsigned int w,
  51                             unsigned int h, unsigned int x,
  52                             unsigned int y);
  53
  54 unsigned char qdgdfv_find_color(unsigned int r, unsigned int g,
  55                                 unsigned int b);
  56
  57 int qdgdfv_plot_pixel_color(unsigned int x, unsigned int y,
  58                             unsigned char color);
  59
  60 int qdgdfv_plot_pixel_rgb(unsigned int x, unsigned int y,
  61                           unsigned long RGB);
  62
  63 int qdgdfv_draw_rect_fill(unsigned int x, unsigned int y, unsigned int w,
  64                           unsigned int h, unsigned char color);
  65
  66 #define qdgdfv_draw_hline(x, y, w, thick, color) \
  67   qdgdfv_draw_rect_fill((unsigned int)x, (unsigned int)y, (unsigned int)w, (unsigned int)thick, (unsigned char)color)
  68
  69 #define qdgdfv_draw_vline(x, y, h, thick, color) \
  70   qdgdfv_draw_rect_fill((unsigned int)x, (unsigned int)y, (unsigned int)thick, (unsigned int)h, (unsigned char)color)
  71
  72 int qdgdfv_draw_rect(unsigned int x, unsigned int y, unsigned int w,
  73                      unsigned int h, unsigned int wallw,
  74                      unsigned char color);
  75
  76 #define qdgdfv_clear_screen_at(x, y, w, h) \
  77   qdgdfv_draw_rect_fill((unsigned int)x, (unsigned int)y, (unsigned int)w, (unsigned int)h, \
  78                   _qdgdfv_clear_color)
  79
  80 #endif                          /* QDGDF_VIDEO_EXT_H_ */