tumble / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/bitblt_test.c	Thu Dec 27 11:04:43 2001 +0000
     1.3 @@ -0,0 +1,99 @@
     1.4 +#include <stdio.h>
     1.5 +
     1.6 +#include "bitblt.h"
     1.7 +
     1.8 +
     1.9 +#define WIDTH 20
    1.10 +#define HEIGHT 9
    1.11 +
    1.12 +char test_data [HEIGHT][WIDTH] =
    1.13 +{
    1.14 +  ".....XXXXXXXXXX.....",
    1.15 +  ".....XX.......X.....",
    1.16 +  "XXXXXX.X......XXXXXX",
    1.17 +  ".....X..X.....X.....",
    1.18 +  ".....X...X....X.....",
    1.19 +  ".....X....X...X.....",
    1.20 +  ".....X.....X..X.....",
    1.21 +  ".....XXXXXXXXXX.....",
    1.22 +  ".....XXXXXXXXXX....."
    1.23 +};
    1.24 +
    1.25 +Bitmap *setup (void)
    1.26 +{
    1.27 +  Bitmap *b;
    1.28 +  Point p;
    1.29 +
    1.30 +  b = create_bitmap (WIDTH, HEIGHT);
    1.31 +  if (! b)
    1.32 +    return (NULL);
    1.33 +
    1.34 +  for (p.y = 0; p.y < HEIGHT; p.y++)
    1.35 +    for (p.x = 0; p.x < WIDTH; p.x++)
    1.36 +      set_pixel (b, p, test_data [p.y][p.x] == 'X');
    1.37 +
    1.38 +  return (b);
    1.39 +}
    1.40 +
    1.41 +void print_bitmap (FILE *o, Bitmap *b)
    1.42 +{
    1.43 +  Point p;
    1.44 +  printf ("rowbytes: %d\n", b->rowbytes);
    1.45 +  for (p.y = 0; p.y < b->height; p.y++)
    1.46 +    {
    1.47 +      for (p.x = 0; p.x < b->width; p.x++)
    1.48 +	fputc (".X" [get_pixel (b, p)], o);
    1.49 +      fprintf (o, "\n");
    1.50 +    }
    1.51 +}
    1.52 +
    1.53 +
    1.54 +int main (int argc, char *argv[])
    1.55 +{
    1.56 +  Bitmap *b;
    1.57 +  Bitmap *b2;
    1.58 +  Rect r;
    1.59 +  Point p;
    1.60 +
    1.61 +  b = setup ();
    1.62 +  if (! b)
    1.63 +    {
    1.64 +      fprintf (stderr, "setup failed\n");
    1.65 +      exit (2);
    1.66 +    }
    1.67 +
    1.68 +  print_bitmap (stdout, b);
    1.69 +
    1.70 +  printf ("\n");
    1.71 +
    1.72 +#if 0
    1.73 +  b2 = create_bitmap (b->height, b->width);
    1.74 +  if (! b2)
    1.75 +    {
    1.76 +      fprintf (stderr, "create_bitmap failed\n");
    1.77 +      exit (2);
    1.78 +    }
    1.79 +#endif
    1.80 +
    1.81 +  r.upper_left.x = r.upper_left.y = 0;
    1.82 +  r.lower_right.x = b->width;
    1.83 +  r.lower_right.y = b->height;
    1.84 +  p.x = p.y = 0;
    1.85 +
    1.86 +  b2 = bitblt (b, r,
    1.87 +	       NULL, p,
    1.88 +	       0, 0, 
    1.89 +	       1,  /* transpose */
    1.90 +	       TF_SRC);
    1.91 +  if (! b2)
    1.92 +    {
    1.93 +      fprintf (stderr, "bitblt failed\n");
    1.94 +      exit (2);
    1.95 +    }
    1.96 +
    1.97 +  print_bitmap (stdout, b2);
    1.98 +
    1.99 +  exit (0);
   1.100 +}
   1.101 +
   1.102 +