Revision: 4165
http://tigervnc.svn.sourceforge.net/tigervnc/?rev=4165&view=rev
Author: ossman_
Date: 2010-10-13 10:45:21 +0000 (Wed, 13 Oct 2010)
Log Message:
-----------
Converting a integer shift to a byte offset of course depends on endianness
as the first byte might be either shift 0 or shift 24.
Modified Paths:
--------------
trunk/common/rfb/PixelFormat.cxx
Modified: trunk/common/rfb/PixelFormat.cxx
===================================================================
--- trunk/common/rfb/PixelFormat.cxx 2010-10-11 10:13:40 UTC (rev 4164)
+++ trunk/common/rfb/PixelFormat.cxx 2010-10-13 10:45:21 UTC (rev 4165)
@@ -187,9 +187,15 @@
// Optimised common case
rdr::U8 *r, *g, *b;
- r = dst + redShift/8;
- g = dst + greenShift/8;
- b = dst + blueShift/8;
+ if (bigEndian) {
+ r = dst + (24 - redShift)/8;
+ g = dst + (24 - greenShift)/8;
+ b = dst + (24 - blueShift)/8;
+ } else {
+ r = dst + redShift/8;
+ g = dst + greenShift/8;
+ b = dst + blueShift/8;
+ }
while (pixels--) {
*r = *(src++);
@@ -253,9 +259,15 @@
// Optimised common case
const rdr::U8 *r, *g, *b;
- r = src + redShift/8;
- g = src + greenShift/8;
- b = src + blueShift/8;
+ if (bigEndian) {
+ r = src + (24 - redShift)/8;
+ g = src + (24 - greenShift)/8;
+ b = src + (24 - blueShift)/8;
+ } else {
+ r = src + redShift/8;
+ g = src + greenShift/8;
+ b = src + blueShift/8;
+ }
while (pixels--) {
*(dst++) = *r;
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