1 files changed, 45 insertions, 0 deletions
diff --git a/src/blind-transpose.c b/src/blind-transpose.c
new file mode 100644
index 0000000..0c32d81
--- /dev/null
+++ b/src/blind-transpose.c
@@ -0,0 +1,45 @@
+/* See LICENSE file for copyright and license details. */
+#include "stream.h"
+#include "util.h"
+
+#include <fcntl.h>
+#include <inttypes.h>
+#include <string.h>
+#include <unistd.h>
+
+USAGE("")
+
+int
+main(int argc, char *argv[])
+{
+	struct stream stream;
+	char *buf, *image;
+	size_t n, imgw, imgh, x, y, i, b;
+
+	ENOFLAGS(argc);
+
+	stream.file = "<stdin>";
+	stream.fd = STDIN_FILENO;
+	einit_stream(&stream);
+	fprint_stream_head(stdout, &stream);
+	efflush(stdout, "<stdout>");
+
+	echeck_frame_size(stream.width, stream.height, stream.pixel_size, 0, "<stdin>");
+	n = stream.width * stream.height * stream.pixel_size;
+	buf   = emalloc(n);
+	image = emalloc(n);
+
+	imgw = stream.width * (imgh = stream.height * stream.pixel_size);
+	memcpy(buf, stream.buf, stream.ptr);
+	while (eread_frame(&stream, buf, n)) {
+		for (b = y = 0; y < imgh; y += stream.pixel_size)
+			for (x = 0; x < imgw; x += imgh)
+				for (i = 0; i < stream.pixel_size; i++)
+					image[x + y + i] = buf[b++];
+		ewriteall(STDOUT_FILENO, image, n, "<stdout>");
+	}
+
+	free(buf);
+	free(image);
+	return 0;
+}