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colorstate: Add utility function to convert GdkRGBA

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This should end up in GdkColor, but that doesn't exist yet.

It's also why the bad name doesn't concern me much.
This commit is contained in:
Benjamin Otte 2024-07-02 06:59:57 +02:00
parent 2879d35f3d
commit 2ae13229ea
1 changed files with 19 additions and 0 deletions
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19
gdk/gdkcolorstateprivate.h
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@ -4,6 +4,7 @@
#include "gdkdebugprivate.h"
#include "gdkmemoryformatprivate.h"
#include "gdkrgba.h"
typedef enum
{
@ -124,3 +125,21 @@ gdk_color_state_get_convert_to (GdkColorState *self,
return self->klass->get_convert_to (self, target);
}
static inline void
gdk_color_state_from_rgba (GdkColorState *self,
const GdkRGBA *rgba,
float out_color[4])
{
GdkFloatColorConvert convert_to;
out_color[0] = rgba->red;
out_color[1] = rgba->green;
out_color[2] = rgba->blue;
out_color[3] = rgba->alpha;
if (gdk_color_state_equal (GDK_COLOR_STATE_SRGB, self))
return;
convert_to = gdk_color_state_get_convert_to (GDK_COLOR_STATE_SRGB, self);
convert_to (GDK_COLOR_STATE_SRGB, (float(*)[4]) out_color, 1);
}