Sat, 29 Dec 2001 10:19:49 +0000
*** empty log message ***
1 #include <stdio.h>
3 #include "bitblt.h"
6 #define WIDTH 20
7 #define HEIGHT 9
9 char test_data [HEIGHT][WIDTH] =
10 {
11 ".....XXXXXXXXXX.....",
12 ".....XX.......X.....",
13 "XXXXXX.X......XXXXXX",
14 ".....X..X.....X.....",
15 ".....X...X....X.....",
16 ".....X....X...X.....",
17 ".....X.....X..X.....",
18 ".....XXXXXXXXXX.....",
19 ".....X.X.X.X.X......"
20 };
22 Bitmap *setup (void)
23 {
24 Bitmap *b;
25 Point p;
27 b = create_bitmap (WIDTH, HEIGHT);
28 if (! b)
29 return (NULL);
31 for (p.y = 0; p.y < HEIGHT; p.y++)
32 for (p.x = 0; p.x < WIDTH; p.x++)
33 set_pixel (b, p, test_data [p.y][p.x] == 'X');
35 return (b);
36 }
38 void print_bitmap (FILE *o, Bitmap *b)
39 {
40 Point p;
41 printf ("rowbytes: %d\n", b->rowbytes);
42 for (p.y = 0; p.y < b->height; p.y++)
43 {
44 for (p.x = 0; p.x < b->width; p.x++)
45 fputc (".X" [get_pixel (b, p)], o);
46 fprintf (o, "\n");
47 }
48 }
51 int main (int argc, char *argv[])
52 {
53 Bitmap *b;
54 Bitmap *b2;
55 Rect r;
56 Point p;
58 b = setup ();
59 if (! b)
60 {
61 fprintf (stderr, "setup failed\n");
62 exit (2);
63 }
65 print_bitmap (stdout, b);
67 printf ("\n");
69 #if 0
70 b2 = create_bitmap (b->height, b->width);
71 if (! b2)
72 {
73 fprintf (stderr, "create_bitmap failed\n");
74 exit (2);
75 }
76 #endif
78 r.upper_left.x = r.upper_left.y = 0;
79 r.lower_right.x = b->width;
80 r.lower_right.y = b->height;
81 p.x = p.y = 0;
83 b2 = bitblt (b, r,
84 NULL, p,
85 ROT_90,
86 TF_SRC);
87 if (! b2)
88 {
89 fprintf (stderr, "bitblt failed\n");
90 exit (2);
91 }
93 print_bitmap (stdout, b2);
95 exit (0);
96 }