prj/tech/libsrc/font/f16fl8t.c

   1 #include <dev2d.h>
   2
   3 static void il(uchar *dst, uchar *src, int n)
   4 {
   5    ushort *d16 = (ushort *)dst;
   6    uint check = grd_light_table_size-1;
   7    uint fclow = grd_gc.fcolor&0xff;
   8    uint fchigh = 256 + ((grd_gc.fcolor>>8)&0xff);
   9    int i;
  10
  11    for (i=0; i<n; i++) {
  12       uint l = src[i];
  13       ushort c16;
  14       ushort *clut;
  15
  16       if (l-1>=check)  // i.e., 0<l<grd_light_table_size
  17          continue;
  18
  19       clut = (ushort *)(grd_light_table+(l<<10));
  20       c16 = clut[fclow] + clut[fchigh];
  21       clut = (ushort *)(grd_light_table+((check-l)<<10));
  22       d16[i] = c16 + clut[dst[2*i]] + clut[256+dst[2*i+1]];
  23    }
  24 }
  25
  26 void flat16_flat8_tluc16_ubitmap(grs_bitmap *bm, int x, int y)
  27 {
  28    uchar *src, *dst;
  29    int w = bm->w;
  30    int h = bm->h;
  31
  32    src = bm->bits;
  33    dst = grd_bm.bits + grd_bm.row*y + 2*x;
  34
  35    while (h--) {
  36       il(dst, src, w);
  37       src += bm->row;
  38       dst += grd_bm.row;
  39    }
  40 }
  41
  42