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surface: Add a color state

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This will be set by the backend, and it will be used to set up
the draw context properly. For now, this is always SRGB.
This commit is contained in:
Matthias Clasen 2024-07-14 10:20:35 -04:00
parent 926a651f12
commit 52d2975af3
2 changed files with 36 additions and 0 deletions
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32
gdk/gdksurface.c
View File

@ -76,6 +76,8 @@ struct _GdkSurfacePrivate
#endif
gpointer widget;
GdkColorState *color_state;
};
enum {
@ -475,6 +477,8 @@ gdk_surface_event_marshallerv (GClosure *closure,
static void
gdk_surface_init (GdkSurface *surface)
{
GdkSurfacePrivate *priv = gdk_surface_get_instance_private (surface);
/* 0-initialization is good for all other fields. */
surface->state = 0;
@ -488,6 +492,8 @@ gdk_surface_init (GdkSurface *surface)
NULL, g_object_unref);
surface->subsurfaces = g_ptr_array_new ();
priv->color_state = gdk_color_state_ref (gdk_color_state_get_srgb ());
}
static double
@ -745,6 +751,7 @@ static void
gdk_surface_finalize (GObject *object)
{
GdkSurface *surface = GDK_SURFACE (object);
GdkSurfacePrivate *priv = gdk_surface_get_instance_private (surface);
g_clear_handle_id (&surface->request_motion_id, g_source_remove);
@ -773,6 +780,8 @@ gdk_surface_finalize (GObject *object)
g_ptr_array_unref (surface->subsurfaces);
g_clear_pointer (&priv->color_state, gdk_color_state_unref);
G_OBJECT_CLASS (gdk_surface_parent_class)->finalize (object);
}
@ -3105,3 +3114,26 @@ gdk_surface_get_subsurface (GdkSurface *surface,
{
return g_ptr_array_index (surface->subsurfaces, idx);
}
GdkColorState *
gdk_surface_get_color_state (GdkSurface *surface)
{
GdkSurfacePrivate *priv = gdk_surface_get_instance_private (surface);
return priv->color_state;
}
void
gdk_surface_set_color_state (GdkSurface *surface,
GdkColorState *color_state)
{
GdkSurfacePrivate *priv = gdk_surface_get_instance_private (surface);
if (gdk_color_state_equal (priv->color_state, color_state))
return;
gdk_color_state_unref (priv->color_state);
priv->color_state = gdk_color_state_ref (color_state);
gdk_surface_invalidate_rect (surface, NULL);
}

4
gdk/gdksurfaceprivate.h
View File

@ -353,4 +353,8 @@ gsize gdk_surface_get_n_subsurfaces (GdkSurface *surface);
GdkSubsurface * gdk_surface_get_subsurface (GdkSurface *surface,
gsize idx);
GdkColorState * gdk_surface_get_color_state (GdkSurface *surface);
void gdk_surface_set_color_state (GdkSurface *surface,
GdkColorState *color_state);
G_END_DECLS