drawinglayer/source/primitive2d/glowprimitive2d.cxx | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
New commits:
commit c3073c81223e9bf0f499d9fd3cfa8a7e8cb497a5
Author: Patrick Luby <plub...@neooffice.org>
AuthorDate: Mon Oct 9 11:38:00 2023 -0400
Commit: Noel Grandin <noel.gran...@collabora.co.uk>
CommitDate: Mon Oct 9 20:56:33 2023 +0200
tdf#157502 and tdf#157652 invert alpha mask
Due to the switch from transparency to alpha in commit
81994cb2b8b32453a92bcb011830fcb884f22ff3, invert the alpha
mask.
Change-Id: Ib6df3523be36ba5d5aaf3887557d4a6a8fa6098c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/157731
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.gran...@collabora.co.uk>
diff --git a/drawinglayer/source/primitive2d/glowprimitive2d.cxx
b/drawinglayer/source/primitive2d/glowprimitive2d.cxx
index 8504b1a902a8..c49ea68c9089 100644
--- a/drawinglayer/source/primitive2d/glowprimitive2d.cxx
+++ b/drawinglayer/source/primitive2d/glowprimitive2d.cxx
@@ -205,9 +205,15 @@ void GlowPrimitive2D::create2DDecomposition(
// When blurring a sharp boundary (our case), it gets 50% of
original intensity, and
// fades to both sides by the blur radius; thus blur radius is
half of glow radius.
// Consider glow transparency (initial transparency near the
object edge)
- const AlphaMask mask(ProcessAndBlurAlphaMask(aAlpha,
fDiscreteGlowRadius * fScale / 2.0,
- fDiscreteGlowRadius *
fScale / 2.0,
- 255 -
getGlowColor().GetAlpha()));
+ AlphaMask mask(ProcessAndBlurAlphaMask(aAlpha, fDiscreteGlowRadius
* fScale / 2.0,
+ fDiscreteGlowRadius *
fScale / 2.0,
+ 255 -
getGlowColor().GetAlpha()));
+
+ // tdf#157502 and tdf#157652 invert alpha mask
+ // Due to the switch from transparency to alpha in commit
+ // 81994cb2b8b32453a92bcb011830fcb884f22ff3, invert the alpha
+ // mask.
+ mask.Invert();
// The end result is the bitmap filled with glow color and blurred
8-bit alpha mask
Bitmap bmp(aAlpha.GetSizePixel(), vcl::PixelFormat::N24_BPP);
