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/* See LICENSE file for copyright and license details. */
#include "stream.h"
#include "util.h"
USAGE("")
static size_t srcw, srch, srcwps, srchps, ps;
#define PROCESS(TYPE)\
do {\
size_t x, i, n = ps / sizeof(TYPE);\
char *src, *img;\
for (x = 0; x < srchps; x += ps) {\
img = row + x;\
src = col + x * srcw;\
for (i = 0; i < n; i++)\
((TYPE *)img)[i] = ((TYPE *)src)[i];\
}\
} while (0)
static void process_long(char *row, char *col) {PROCESS(long);}
static void process_char(char *row, char *col) {PROCESS(char);}
int
main(int argc, char *argv[])
{
struct stream stream;
char *buf, *image;
size_t y;
void (*process)(char *row, char *col);
UNOFLAGS(argc);
eopen_stream(&stream, NULL);
echeck_dimensions(&stream, WIDTH | HEIGHT, NULL);
srch = stream.height, srchps = stream.col_size;
srcw = stream.width, srcwps = stream.row_size;
stream.height = srcw;
stream.width = srch;
fprint_stream_head(stdout, &stream);
efflush(stdout, "<stdout>");
buf = emalloc(stream.frame_size);
image = emalloc(srchps);
process = ps % sizeof(long) ? process_char : process_long;
while (eread_frame(&stream, buf)) {
for (y = 0; y < srcwps; y += ps) {
process(image, buf + y);
ewriteall(STDOUT_FILENO, image, srchps, "<stdout>");
}
}
free(buf);
free(image);
return 0;
}
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