[gtk+] Handle transparent colors better in GtkStyle emulation
- From: Alexander Larsson <alexl src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+] Handle transparent colors better in GtkStyle emulation
- Date: Thu, 28 Jun 2012 19:48:42 +0000 (UTC)
commit 10423726709539724be0ea19bed76ba4331af774
Author: Alexander Larsson <alexl redhat com>
Date: Thu Jun 28 21:30:24 2012 +0200
Handle transparent colors better in GtkStyle emulation
We can't expose colors with alpha in the GtkStyle colors, since
GdkColor has no alpha. Currently we throw away alpha completely,
which fails very badly for completely transparent backgrounds,
which now is the default for most widgets, as it typically
end up with black-on-black.
We handle this by falling back on the default/previous colors for
transparent colors. This is is simple and avoids complete failure.
https://bugzilla.gnome.org/show_bug.cgi?id=671437
gtk/deprecated/gtkstyle.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/deprecated/gtkstyle.c b/gtk/deprecated/gtkstyle.c
index 5266368..16e3ce4 100644
--- a/gtk/deprecated/gtkstyle.c
+++ b/gtk/deprecated/gtkstyle.c
@@ -673,7 +673,7 @@ set_color (GtkStyle *style,
break;
}
- if (color)
+ if (color && color->alpha > 0.01)
{
dest->pixel = 0;
dest->red = CLAMP ((guint) (color->red * 65535), 0, 65535);
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