|
|
# --- T2-COPYRIGHT-NOTE-BEGIN ---# This copyright note is auto-generated by ./scripts/Create-CopyPatch.# # T2 SDE: package/.../fbgrab/565-fixup.patch# Copyright (C) 2004 - 2006 The T2 SDE Project# # More information can be found in the files COPYING and README.# # This patch file is dual-licensed. It is available under the license the# patched project is licensed under, as long as it is an OpenSource license# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms# of the GNU General Public License as published by the Free Software# Foundation; either version 2 of the License, or (at your option) any later# version.# --- T2-COPYRIGHT-NOTE-END ---
Fixed fbgrab for big-endian systems, including a code cleanup on the way.
- Rene Rebe
--- fbgrab-1.0/fbgrab.c 2002-04-15 22:22:54.000000000 +0200
+++ fbgrab-1.0-fixed/fbgrab.c 2004-09-05 16:12:42.874276472 +0200
@@ -166,15 +166,17 @@
for (i=0; i < (unsigned int) height*width*2; i+=2) {- /* BLUE = 0 */
- outbuffer[(i<<1)+0] = (inbuffer[i] & 0x1f) << 3;
- /* GREEN = 1 */
- outbuffer[(i<<1)+1] = (((inbuffer[i+1] & 0x7) << 3) |
- (inbuffer[i] & 0xE0) >> 5) << 2;
- /* RED = 2 */
- outbuffer[(i<<1)+2] = (inbuffer[i+1] & 0xF8);
- /* ALPHA = 3 */
- outbuffer[(i<<1)+3] = '\0';
+ int16_t v =
+#ifdef __BIG_ENDIAN__
+ (inbuffer[i] << 8) + inbuffer[i+1];
+#else
+ (inbuffer[i+1] << 8) + inbuffer[i];
+#endif
+
+ outbuffer[(i<<1)+0] = (v << 3) & 0xf8; /* B */
+ outbuffer[(i<<1)+1] = (v >> 3) & 0xfc; /* G */
+ outbuffer[(i<<1)+2] = (v >> 8) & 0xf8; /* R */
+ outbuffer[(i<<1)+3] = 0; /* A */
} }
|
