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Handle transparent colors better in GtkStyle emulation

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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
This commit is contained in:
Alexander Larsson 2012-06-28 21:30:24 +02:00
parent e307f08ec2
commit 1042372670
1 changed files with 1 additions and 1 deletions
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2
gtk/deprecated/gtkstyle.c
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@ -673,7 +673,7 @@ set_color (GtkStyle *style,
break; break;
} }
if (color) if (color && color->alpha > 0.01)
{ {
dest->pixel = 0; dest->pixel = 0;
dest->red = CLAMP ((guint) (color->red * 65535), 0, 65535); dest->red = CLAMP ((guint) (color->red * 65535), 0, 65535);