Wed, 12 Mar 2003 09:52:09 +0000
*** empty log message ***
1 #include <stdbool.h>
2 #include <stdint.h>
3 #include <stdio.h>
4 #include <stdlib.h>
6 #include "bitblt.h"
9 #define WIDTH 20
10 #define HEIGHT 9
12 char test_data [HEIGHT][WIDTH] =
13 {
14 ".....XXXXXXXXXX.....",
15 ".....XX.......X.....",
16 "XXXXXX.X......XXXXXX",
17 ".....X..X.....X.....",
18 ".....X...X....X.....",
19 ".....X....X...X.....",
20 ".....X.....X..X.....",
21 ".....XXXXXXXXXX.....",
22 ".....X.X.X.X.X......"
23 };
25 Bitmap *setup (void)
26 {
27 Bitmap *b;
28 Point p;
29 Rect r = {{ 0, 0 }, { WIDTH, HEIGHT }};
31 b = create_bitmap (& r);
32 if (! b)
33 return (NULL);
35 for (p.y = 0; p.y < HEIGHT; p.y++)
36 for (p.x = 0; p.x < WIDTH; p.x++)
37 set_pixel (b, p, test_data [p.y][p.x] == 'X');
39 return (b);
40 }
42 void print_bitmap (FILE *o, Bitmap *b)
43 {
44 Point p;
45 printf ("row_words: %d\n", b->row_words);
46 for (p.y = b->rect.min.y; p.y < b->rect.max.y; p.y++)
47 {
48 for (p.x = b->rect.min.x; p.x < b->rect.max.x; p.x++)
49 fputc (".X" [get_pixel (b, p)], o);
50 fprintf (o, "\n");
51 }
52 }
55 int main (int argc, char *argv[])
56 {
57 Bitmap *b;
58 Bitmap *b2;
59 Rect r;
60 Point p;
62 b = setup ();
63 if (! b)
64 {
65 fprintf (stderr, "setup failed\n");
66 exit (2);
67 }
69 print_bitmap (stdout, b);
70 printf ("\n");
72 flip_v (b);
74 print_bitmap (stdout, b);
75 printf ("\n");
77 flip_h (b);
79 print_bitmap (stdout, b);
80 printf ("\n");
82 #if 1
83 r.min.x = r.min.y = 0;
84 r.max.x = b->rect.max.x + 8;
85 r.max.y = b->rect.max.y + 8;
87 b2 = create_bitmap (& r);
89 r.min.x = r.min.y = 0;
90 r.max.x = b->rect.max.x;
91 r.max.y = b->rect.max.y;
93 p.x = -3;
94 p.y = -3;
96 b2 = bitblt (b, & r,
97 b2, & p,
98 TF_SRC, 0);
99 if (! b2)
100 {
101 fprintf (stderr, "bitblt failed\n");
102 exit (2);
103 }
105 print_bitmap (stdout, b2);
106 #endif
108 exit (0);
109 }