prj/tech/libsrc/dev2d/gdtest.c

   1 #include <conio.h>
   2
   3 #include <dev2d.h>
   4 #include <mprintf.h>
   5
   6 typedef struct {
   7    short x,y;
   8 } point;
   9
  10 static uchar bm_bits[32*32*2];
  11 static grs_bitmap bm={
  12    bm_bits, BMT_FLAT8, 0, 0, 32, 32, 32, 5, 5
  13 };
  14
  15 static uchar clut[256];
  16 static uchar pal[768];
  17
  18 point pos={0,0};
  19 point size={0,0};
  20 int fill_type=0;
  21 int do_box=TRUE;
  22 int do_bm=FALSE;
  23
  24 int get_input(void (*cb)())
  25 {
  26    uchar c=getch();
  27    if (cb!=NULL)
  28       cb();
  29    switch (c) {
  30       case '2': size.y++; break;
  31       case '8': size.y--; break;
  32       case '4': size.x--; break;
  33       case '6': size.x++; break;
  34       case 'w': pos.y-=5; break;
  35       case 'x': pos.y+=5; break;
  36       case 'a': pos.x-=5; break;
  37       case 'd': pos.x+=5; break;
  38       case 'b': do_box^=1; break;
  39       case 'm': do_bm^=1; break;
  40       case 'f': fill_type++;
  41                 if (fill_type==FILL_TYPES) fill_type=0;
  42                 break;
  43       case 't': bm.flags^=BMF_TRANS; break;
  44       case 'q': return 0;
  45    }
  46    return 1;
  47 }
  48
  49 void clear()
  50 {
  51    int fc_save=grd_gc.fcolor;
  52    grd_gc.fcolor = 0;
  53    gr_rect(0, 0, grd_bm.w, grd_bm.h);
  54    grd_gc.fcolor = fc_save;
  55 }
  56
  57 void do_gfx()
  58 {
  59    grd_gc.fill_type=fill_type;
  60    if (fill_type==FILL_CLUT)
  61       grd_gc.fill_parm = (ulong )clut;
  62    if (fill_type==FILL_SOLID)
  63       grd_gc.fill_parm = grd_gc.fcolor;
  64    if (do_bm)
  65       gr_bitmap(&bm, pos.x, pos.y);
  66    if (do_box)
  67       gr_box(pos.x, pos.y, pos.x+size.x, pos.y+size.y);
  68    grd_gc.fill_type=FILL_NORM;
  69 }
  70
  71 void init()
  72 {
  73    int i;
  74    for (i=0; i<bm.row*bm.h; i++)
  75       bm.bits[i]=i;
  76    for (i=0; i<256; i++) {
  77       clut[i]=255-i;
  78       tluc8tab[i] = clut;
  79    }
  80    for (i=0; i<768; i++)
  81       pal[i] = i;
  82    gr_set_default_pal(pal);
  83 }
  84
  85 main ()
  86 {
  87    grs_screen *s;
  88
  89    gd_svga_init();
  90    init();
  91    gr_set_mode(GRM_320x400x8, TRUE);
  92    s = gr_alloc_screen(grd_cap->w, grd_cap->h);
  93    gr_set_screen(s);
  94    grd_gc.fcolor=7;
  95    grd_gc.bcolor=15;
  96    do {
  97       do_gfx();
  98    } while (get_input(clear));
  99    mprintf("hi there.\n");
 100    mprintf("bye.\n");
 101    gd_close();
 102 }
 103
 104