Sun, 30 Dec 2001 17:09:08 +0000
*** empty log message ***
1 #include <stdio.h>
3 #include "type.h"
4 #include "bitblt.h"
7 #define WIDTH 20
8 #define HEIGHT 9
10 char test_data [HEIGHT][WIDTH] =
11 {
12 ".....XXXXXXXXXX.....",
13 ".....XX.......X.....",
14 "XXXXXX.X......XXXXXX",
15 ".....X..X.....X.....",
16 ".....X...X....X.....",
17 ".....X....X...X.....",
18 ".....X.....X..X.....",
19 ".....XXXXXXXXXX.....",
20 ".....X.X.X.X.X......"
21 };
23 Bitmap *setup (void)
24 {
25 Bitmap *b;
26 Point p;
28 b = create_bitmap (WIDTH, HEIGHT);
29 if (! b)
30 return (NULL);
32 for (p.y = 0; p.y < HEIGHT; p.y++)
33 for (p.x = 0; p.x < WIDTH; p.x++)
34 set_pixel (b, p, test_data [p.y][p.x] == 'X');
36 return (b);
37 }
39 void print_bitmap (FILE *o, Bitmap *b)
40 {
41 Point p;
42 printf ("rowbytes: %d\n", b->rowbytes);
43 for (p.y = 0; p.y < b->height; p.y++)
44 {
45 for (p.x = 0; p.x < b->width; p.x++)
46 fputc (".X" [get_pixel (b, p)], o);
47 fprintf (o, "\n");
48 }
49 }
52 int main (int argc, char *argv[])
53 {
54 Bitmap *b;
55 Bitmap *b2;
56 Rect r;
57 Point p;
59 b = setup ();
60 if (! b)
61 {
62 fprintf (stderr, "setup failed\n");
63 exit (2);
64 }
66 print_bitmap (stdout, b);
68 printf ("\n");
70 #if 0
71 b2 = create_bitmap (b->height, b->width);
72 if (! b2)
73 {
74 fprintf (stderr, "create_bitmap failed\n");
75 exit (2);
76 }
77 #endif
79 r.upper_left.x = r.upper_left.y = 0;
80 r.lower_right.x = b->width;
81 r.lower_right.y = b->height;
82 p.x = p.y = 0;
84 b2 = bitblt (b, r,
85 NULL, p,
86 ROT_90,
87 TF_SRC);
88 if (! b2)
89 {
90 fprintf (stderr, "bitblt failed\n");
91 exit (2);
92 }
94 print_bitmap (stdout, b2);
96 exit (0);
97 }