From: Benjamin Otte <otte@redhat.com>
Date: Sun, 21 May 2023 02:48:46 +0000 (+0200)
Subject: testsuite: Adapt color-matrix testcase
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~1^2~183^2~4
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=8c5e046574b23b23e964d639b6c3fc99e8eefd6d;p=gtk4.git

testsuite: Adapt color-matrix testcase

Make it use an alpha value that is well defined, ie 0.4 instead of 0.5.

0.4 * 255 = 102
0.5 * 255 = 127.5

This avoids rounding issues where some math may cause the resulting
alpha value to be 127, and some other math ends up with 128.
---

diff --git a/testsuite/gsk/compare/color-matrix-identity.node b/testsuite/gsk/compare/color-matrix-identity.node
index a81a474ad0..9498d08ba2 100644
--- a/testsuite/gsk/compare/color-matrix-identity.node
+++ b/testsuite/gsk/compare/color-matrix-identity.node
@@ -1,7 +1,7 @@
 color-matrix {
   child: color {
     bounds: 0 0 50 50;
-    color: rgba(255, 0, 0, 0.5);
+    color: rgba(255, 0, 0, 0.4);
   }
   matrix: none;
   offset: 0 0 0 0;
diff --git a/testsuite/gsk/compare/color-matrix-identity.png b/testsuite/gsk/compare/color-matrix-identity.png
index f88dc6ac79..7fcb5001c7 100644
Binary files a/testsuite/gsk/compare/color-matrix-identity.png and b/testsuite/gsk/compare/color-matrix-identity.png differ