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	Add blind-repeat-tessellation - blind - suckless command-line video editing uti…
	git clone git://git.suckless.org/blind
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	---
	commit 6f4d55793f88540d1b1abd7410e43da83993ad6a
	parent e7f1780c5c05840ec3eca54b83d76c2658bf5de8
	Author: Mattias Andrée <[email protected]>
	Date: Tue, 11 Jul 2017 23:27:46 +0200

	Add blind-repeat-tessellation

	Signed-off-by: Mattias Andrée <[email protected]>

	Diffstat:
	M Makefile \| 1 +
	M README \| 3 +++
	A man/blind-repeat-tessellation.1 \| 34 +++++++++++++++++++++++++++++…
	M man/blind.7 \| 3 +++
	A src/blind-repeat-tessellation.c \| 52 +++++++++++++++++++++++++++++…

	5 files changed, 93 insertions(+), 0 deletions(-)
	---
	diff --git a/Makefile b/Makefile
	@@ -44,6 +44,7 @@ BIN =\
	blind-radial-gradient\
	blind-read-head\
	blind-repeat\
	+ blind-repeat-tessellation\
	blind-reverse\
	blind-rewrite-head\
	blind-round-wave\
	diff --git a/README b/README
	@@ -132,6 +132,9 @@ UTILITIES
	blind-repeat(1)
	Repeat a video

	+ blind-repeat-tessellation(1)
	+ Repeat a video horizontally and veritically to a specific size
	+
	blind-reverse(1)
	Reverse a video

	diff --git a/man/blind-repeat-tessellation.1 b/man/blind-repeat-tessellation.1
	@@ -0,0 +1,34 @@
	+.TH BLIND-REPEAT-TESSELLATION 1 blind
	+.SH NAME
	+blind-repeat-tessellation - Repeat a video horizontally and veritically to a s…
	+.SH SYNOPSIS
	+.B blind-repeat-tessellation
	+-w
	+.I width
	+-h
	+.I height
	+.SH DESCRIPTION
	+.B blind-repeat-tessellation
	+reads a video from stdin and prints it, repeated both
	+horizontally and vertically, to stdout.
	+.SH OPTIONS
	+.TP
	+.BR -w " "\fIwidth\fP
	+The width of the output video shall be exactly
	+.I width
	+pixels.
	+.TP
	+.BR -h " "\fIheight\fP
	+The height of the output video shall be exactly
	+.I height
	+pixels.
	+.SH REQUIREMENTS
	+.B blind-repeat-tessellation
	+requires enough free memory to load one full frame of
	+the video from stdin into memory. A frame requires 32
	+bytes per pixel it contains.
	+.SH SEE ALSO
	+.BR blind (7)
	+.SH AUTHORS
	+Mattias Andrée
	+.RI < [email protected] >
	diff --git a/man/blind.7 b/man/blind.7
	@@ -148,6 +148,9 @@ Reads the head from a video
	.BR blind-repeat (1)
	Repeat a video
	.TP
	+.BR blind-repeat-tessellation (1)
	+Repeat a video horizontally and veritically to a specific size
	+.TP
	.BR blind-reverse (1)
	Reverse a video
	.TP
	diff --git a/src/blind-repeat-tessellation.c b/src/blind-repeat-tessellation.c
	@@ -0,0 +1,52 @@
	+/* 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_s…
	+ if (w)
	+ ewriteall(STDOUT_FILENO, buf + p, w * stream.p…
	+ }
	+ }
	+
	+ free(buf);
	+ return 0;
	+}