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/* See LICENSE file for copyright and license details. */
#include "stream.h"
#include "util.h"
#include <inttypes.h>
#include <string.h>
#include <unistd.h>
USAGE("")
static struct stream stream;
static char *buf, *image;
static size_t n, m, ps;
#define PROCESS(TYPE)\
do {\
size_t i, j, pst = ps / sizeof(TYPE);\
size_t nt = n / sizeof(TYPE);\
size_t mt = m / sizeof(TYPE);\
for (i = 0; i < pst; i++)\
for (j = 0; j < nt; j += pst)\
((TYPE *)image)[mt - j + i] = ((TYPE *)buf)[i + j];\
} while (0)
static void process_double(void) {PROCESS(double);}
static void process_float (void) {PROCESS(float);}
static void process_char (void) {PROCESS(char);}
int
main(int argc, char *argv[])
{
void (*process)(void);
UNOFLAGS(argc);
eopen_stream(&stream, NULL);
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
echeck_frame_size(stream.width, 1, stream.pixel_size, 0, stream.file);
n = stream.width * (ps = stream.pixel_size);
buf = emalloc(n);
image = emalloc(n);
process = !(ps % sizeof(double)) ? process_double :
!(ps % sizeof(float)) ? process_float : process_char;
m = n - ps;
while (eread_row(&stream, buf, n)) {
process();
ewriteall(STDOUT_FILENO, image, n, "<stdout>");
}
free(buf);
free(image);
return 0;
}
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