prj/tech/libsrc/dev2d/genfl8u.c

   1 /*
   2  * $Source: x:/prj/tech/libsrc/dev2d/RCS/genfl8u.c $
   3  * $Revision: 1.3 $
   4  * $Author: KEVIN $
   5  * $Date: 1996/08/19 15:54:46 $
   6  *
   7  * Routines for drawing flat8 bitmaps into a flat8 canvas.
   8  *
   9  * This file is part of the dev2d library.
  10  *
  11  */
  12
  13 #include <gdpix.h>
  14 #include <pal16.h>
  15
  16 void gen_flat8_trans_ubitmap (grs_bitmap *bm, int x0, int y0)
  17 {
  18    int x, y;
  19    int xf = x0+bm->w;
  20    int yf = y0+bm->h;
  21    int delta = bm->row-bm->w;
  22    uchar *src = bm->bits;
  23    gdupix_func *p8_func = gd_upix8_expose(0,0,0);
  24    pixpal = (void *)grd_pal16_list[bm->align];
  25
  26    for (y=y0; y<yf; y++) {
  27       for (x=x0; x<xf; x++) {
  28          uchar c=*src++;
  29          if (c!=0)
  30             p8_func(c, x, y);
  31       }
  32       src += delta;
  33    }
  34 }
  35
  36 void gen_flat8_opaque_ubitmap (grs_bitmap *bm, int x0, int y0)
  37 {
  38    int x, y;
  39    int xf = x0+bm->w;
  40    int yf = y0+bm->h;
  41    int delta = bm->row-bm->w;
  42    uchar *src = bm->bits;
  43    gdupix_func *p8_func = gd_upix8_expose(0,0,0);
  44    pixpal = (void *)grd_pal16_list[bm->align];
  45
  46    for (y=y0; y<yf; y++) {
  47       for (x=x0; x<xf; x++)
  48          p8_func(*src++, x, y);
  49       src += delta;
  50    }
  51 }
  52
  53