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	add farbeld support, kudos to z3bra! - xscreenshot - screen capture tool
	git clone git://git.codemadness.org/xscreenshot
	Log
	Files
	Refs
	README
	LICENSE
	---
	commit 8a6fbfbed1428dc71588d6a1b86730e0da055163
	parent cb8ad238bc437ee427cddac7507d90d89dc7051c
	Author: Hiltjo Posthuma <[email protected]>
	Date: Mon, 16 Nov 2015 17:50:12 +0100

	add farbeld support, kudos to z3bra!

	Diffstat:
	M README \| 8 ++++----
	M xscreenshot.c \| 13 +++++++++----

	2 files changed, 13 insertions(+), 8 deletions(-)
	---
	diff --git a/README b/README
	@@ -13,8 +13,8 @@ Dependencies
	Optional dependencies
	---------------------

	-- To convert imagefile data you can use if2png from:
	- http://git.2f30.org/imagefile
	+- To convert farbfeld data you can use ff2png from:
	+ http://git.2f30.org/farbfeld

	Compile
	-------
	@@ -26,8 +26,8 @@ $ make
	Usage
	-----

	-xscreenshot [winid] > file.if
	-if2png < file.if > file.png
	+xscreenshot [winid] > file.ff
	+ff2png < file.ff > file.png


	Known issues
	diff --git a/xscreenshot.c b/xscreenshot.c
	@@ -4,6 +4,7 @@
	#include <string.h>
	#include <stdlib.h>
	#include <errno.h>
	+#include <endian.h>

	#include <X11/X.h>
	#include <X11/Xlib.h>
	@@ -32,6 +33,7 @@ main(int argc, char *argv[])
	Window win;
	XWindowAttributes attr;
	uint32_t tmp, w, h;
	+ uint16_t rgba[4];

	dpy = XOpenDisplay(NULL);
	if(!dpy)
	@@ -59,7 +61,7 @@ main(int argc, char *argv[])
	die("Can't XGetImage");

	/* write header with big endian width and height-values */
	- fprintf(stdout, "imagefile");
	+ fprintf(stdout, "farbfeld");
	tmp = htonl(img->width);
	fwrite(&tmp, sizeof(uint32_t), 1, stdout);
	tmp = htonl(img->height);
	@@ -69,9 +71,12 @@ main(int argc, char *argv[])
	for(h = 0; h < (uint32_t)img->height; h++) {
	for(w = 0; w < (uint32_t)img->width; w++) {
	tmp = XGetPixel(img, w, h);
	- tmp = ((tmp & img->red_mask) >> 16) \| (tmp & img->gre…
	- \| ((tmp & img->blue_mask) << 16) \| (255 << 24);
	- if(fwrite(&tmp, sizeof(uint32_t), 1, stdout) != 1)
	+ rgba[0] = htobe16((tmp & img->red_mask) >> 8);
	+ rgba[1] = htobe16(tmp & img->green_mask);
	+ rgba[2] = htobe16((tmp & img->blue_mask) << 8);
	+ rgba[3] = htobe16(65535);
	+
	+ if(fwrite(&rgba, 4*sizeof(uint16_t), 1, stdout) != 1)
	die("fwrite() failed");
	}
	}