Mon, 26 Aug 2002 05:43:49 +0000
fixed 'middle-endian' output from TIFFReadScanline
1 #include <stdio.h>
2 #include <stdlib.h>
4 #include "type.h"
5 #include "bitblt.h"
8 #define WIDTH 20
9 #define HEIGHT 9
11 char test_data [HEIGHT][WIDTH] =
12 {
13 ".....XXXXXXXXXX.....",
14 ".....XX.......X.....",
15 "XXXXXX.X......XXXXXX",
16 ".....X..X.....X.....",
17 ".....X...X....X.....",
18 ".....X....X...X.....",
19 ".....X.....X..X.....",
20 ".....XXXXXXXXXX.....",
21 ".....X.X.X.X.X......"
22 };
24 Bitmap *setup (void)
25 {
26 Bitmap *b;
27 Point p;
28 Rect r = {{ 0, 0 }, { WIDTH, HEIGHT }};
30 b = create_bitmap (& r);
31 if (! b)
32 return (NULL);
34 for (p.y = 0; p.y < HEIGHT; p.y++)
35 for (p.x = 0; p.x < WIDTH; p.x++)
36 set_pixel (b, p, test_data [p.y][p.x] == 'X');
38 return (b);
39 }
41 void print_bitmap (FILE *o, Bitmap *b)
42 {
43 Point p;
44 printf ("row_words: %d\n", b->row_words);
45 for (p.y = b->rect.min.y; p.y < b->rect.max.y; p.y++)
46 {
47 for (p.x = b->rect.min.x; p.x < b->rect.max.x; p.x++)
48 fputc (".X" [get_pixel (b, p)], o);
49 fprintf (o, "\n");
50 }
51 }
54 int main (int argc, char *argv[])
55 {
56 Bitmap *b;
57 Bitmap *b2;
58 Rect r;
59 Point p;
61 b = setup ();
62 if (! b)
63 {
64 fprintf (stderr, "setup failed\n");
65 exit (2);
66 }
68 print_bitmap (stdout, b);
69 printf ("\n");
71 flip_v (b);
73 print_bitmap (stdout, b);
74 printf ("\n");
76 flip_h (b);
78 print_bitmap (stdout, b);
79 printf ("\n");
81 #if 1
82 r.min.x = r.min.y = 0;
83 r.max.x = b->rect.max.x + 8;
84 r.max.y = b->rect.max.y + 8;
86 b2 = create_bitmap (& r);
88 r.min.x = r.min.y = 0;
89 r.max.x = b->rect.max.x;
90 r.max.y = b->rect.max.y;
92 p.x = -3;
93 p.y = -3;
95 b2 = bitblt (b, & r,
96 b2, & p,
97 TF_SRC, 0);
98 if (! b2)
99 {
100 fprintf (stderr, "bitblt failed\n");
101 exit (2);
102 }
104 print_bitmap (stdout, b2);
105 #endif
107 exit (0);
108 }