115 lines
2.0 KiB
C
115 lines
2.0 KiB
C
#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "bitblt.h"
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#define WIDTH 44
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#define HEIGHT 9
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char test_data [HEIGHT][WIDTH] =
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{
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".....XXXXXXXXXX.......XX............X......X",
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".....XX.......X.......X.X..........X......X.",
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"XXXXXX.X......XXXXXX..X..X........X......X..",
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".....X..X.....X.......XX.........X......X...",
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".....X...X....X.......X.X.......X......X....",
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".....X....X...X.......X..X.....X......X.....",
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".....X.....X..X.......XX..... X......X......",
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".....XXXXXXXXXX.......X.X....X......X.......",
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".....X.X.X.X.X........X..X..X......X........"
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};
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Bitmap *setup (void)
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{
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Bitmap *b;
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Point p;
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Rect r = {{ 0, 0 }, { WIDTH, HEIGHT }};
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b = create_bitmap (& r);
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if (! b)
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return (NULL);
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for (p.y = 0; p.y < HEIGHT; p.y++)
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for (p.x = 0; p.x < WIDTH; p.x++)
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set_pixel (b, p, test_data [p.y][p.x] == 'X');
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return (b);
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}
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void print_bitmap (FILE *o, Bitmap *b)
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{
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Point p;
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printf ("row_words: %d\n", b->row_words);
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for (p.y = b->rect.min.y; p.y < b->rect.max.y; p.y++)
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{
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for (p.x = b->rect.min.x; p.x < b->rect.max.x; p.x++)
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fputc (".X" [get_pixel (b, p)], o);
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fprintf (o, "\n");
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}
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}
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int main (int argc, char *argv[])
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{
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Bitmap *b;
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Bitmap *b2;
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Rect r;
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Point p;
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b = setup ();
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if (! b)
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{
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fprintf (stderr, "setup failed\n");
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exit (2);
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}
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print_bitmap (stdout, b);
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printf ("\n");
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flip_v (b);
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printf ("flipped vertically:\n");
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print_bitmap (stdout, b);
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printf ("\n");
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flip_h (b);
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printf ("flipped horizontally:\n");
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print_bitmap (stdout, b);
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printf ("\n");
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#if 1
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r.min.x = r.min.y = 0;
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r.max.x = b->rect.max.x + 8;
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r.max.y = b->rect.max.y + 8;
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b2 = create_bitmap (& r);
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r.min.x = r.min.y = 0;
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r.max.x = b->rect.max.x;
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r.max.y = b->rect.max.y;
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p.x = -3;
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p.y = -3;
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b2 = bitblt (b, & r,
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b2, & p,
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TF_SRC, 0);
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if (! b2)
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{
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fprintf (stderr, "bitblt failed\n");
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exit (2);
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}
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printf ("after bitblt\n");
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print_bitmap (stdout, b2);
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#endif
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exit (0);
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}
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