From: Jasper van de Gronde <jasper.vandegronde@gmail.com>
Date: Tue, 20 Apr 2010 12:13:56 +0000 (+0200)
Subject: Small fix for nr-compose-transform (I compared against 255 where I should have compar... 
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=897966b2c90f3bfb8cd2b07501d4307c3177ef49;p=inkscape.git

Small fix for nr-compose-transform (I compared against 255 where I should have compared against 255*255).
---

diff --git a/src/libnr/nr-compose-transform.cpp b/src/libnr/nr-compose-transform.cpp
index bc05c7b51..e7c286569 100644
--- a/src/libnr/nr-compose-transform.cpp
+++ b/src/libnr/nr-compose-transform.cpp
@@ -135,7 +135,7 @@ nr_R8G8B8A8_N_R8G8B8A8_N_R8G8B8A8_N_TRANSFORM (unsigned char *px, int w, int h,
 				r = (r + rounding_fix) >> dbits;
 				g = (g + rounding_fix) >> dbits;
 				b = (b + rounding_fix) >> dbits;
-                if (a == 255) {
+                if (a == 255*255) {
 					/* Full coverage, demul src */
 					d[0] = NR_NORMALIZE_21(r);
 					d[1] = NR_NORMALIZE_21(g);
@@ -275,7 +275,7 @@ nr_R8G8B8A8_P_R8G8B8A8_P_R8G8B8A8_N_TRANSFORM_n (unsigned char *px, int w, int h
 				r = (r + rounding_fix) >> dbits;
 				g = (g + rounding_fix) >> dbits;
 				b = (b + rounding_fix) >> dbits;
-				if ((a == 255) || (d[3] == 0)) {
+				if ((a == 255*255) || (d[3] == 0)) {
 					/* Transparent BG, premul src */
 					d[0] = NR_NORMALIZE_21(r);
 					d[1] = NR_NORMALIZE_21(g);