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/* See LICENSE file for copyright and license details. */
#include "common.h"
USAGE("-w width -h height")
int
main(int argc, char *argv[])
{
struct stream stream;
size_t width = 0;
size_t height = 0;
size_t x, y, p, w;
char *buf;
ARGBEGIN {
case 'w':
width = etozu_flag('w', UARGF(), 1, SIZE_MAX);
break;
case 'h':
height = etozu_flag('h', UARGF(), 1, SIZE_MAX);
break;
default:
usage();
} ARGEND;
if (!width || !height || argc)
usage();
eopen_stream(&stream, NULL);
echeck_dimensions(&stream, WIDTH | HEIGHT, NULL);
x = stream.width, stream.width = width;
y = stream.height, stream.height = height;
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
stream.width = x;
stream.height = y;
buf = emalloc(stream.frame_size);
w = width % stream.width;
while (eread_frame(&stream, buf)) {
for (y = 0; y < height; y++) {
p = (y % stream.height) * stream.row_size;
for (x = 0; x < width / stream.width; x++)
ewriteall(STDOUT_FILENO, buf + p, stream.row_size, "<stdout>");
if (w)
ewriteall(STDOUT_FILENO, buf + p, w * stream.pixel_size, "<stdout>");
}
}
free(buf);
return 0;
}
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