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/*
* Copyright © 2018 Red Hat Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include "gtkcssimagepaintableprivate.h"
#include "gtkprivate.h"
G_DEFINE_TYPE (GtkCssImagePaintable, gtk_css_image_paintable, GTK_TYPE_CSS_IMAGE)
static inline GdkPaintable *
get_paintable (GtkCssImagePaintable *paintable)
{
if (paintable->static_paintable)
return paintable->static_paintable;
return paintable->paintable;
}
static int
gtk_css_image_paintable_get_width (GtkCssImage *image)
{
GtkCssImagePaintable *paintable = GTK_CSS_IMAGE_PAINTABLE (image);
return gdk_paintable_get_intrinsic_width (get_paintable (paintable));
}
static int
gtk_css_image_paintable_get_height (GtkCssImage *image)
{
GtkCssImagePaintable *paintable = GTK_CSS_IMAGE_PAINTABLE (image);
return gdk_paintable_get_intrinsic_height (get_paintable (paintable));
}
static double
gtk_css_image_paintable_get_aspect_ratio (GtkCssImage *image)
{
GtkCssImagePaintable *paintable = GTK_CSS_IMAGE_PAINTABLE (image);
return gdk_paintable_get_intrinsic_aspect_ratio (get_paintable (paintable));
}
static void
gtk_css_image_paintable_snapshot (GtkCssImage *image,
GtkSnapshot *snapshot,
double width,
double height)
{
GtkCssImagePaintable *paintable = GTK_CSS_IMAGE_PAINTABLE (image);
return gdk_paintable_snapshot (get_paintable (paintable),
snapshot,
width, height);
}
static GtkCssImage *
gtk_css_image_paintable_get_static_image (GtkCssImage *image)
{
GtkCssImagePaintable *paintable = GTK_CSS_IMAGE_PAINTABLE (image);
GdkPaintable *static_image;
GtkCssImage *result;
static_image = gdk_paintable_get_current_image (paintable->paintable);
if (paintable->static_paintable == static_image)
{
result = g_object_ref (image);
}
else
{
result = gtk_css_image_paintable_new (paintable->paintable,
static_image);
}
g_object_unref (static_image);
return result;
}
static GtkCssImage *
gtk_css_image_paintable_compute (GtkCssImage *image,
guint property_id,
GtkStyleProvider *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
return gtk_css_image_paintable_get_static_image (image);
}
static gboolean
gtk_css_image_paintable_equal (GtkCssImage *image1,
GtkCssImage *image2)
{
GtkCssImagePaintable *paintable1 = GTK_CSS_IMAGE_PAINTABLE (image1);
GtkCssImagePaintable *paintable2 = GTK_CSS_IMAGE_PAINTABLE (image2);
return paintable1->paintable == paintable2->paintable
&& paintable1->static_paintable == paintable2->static_paintable;
}
#define GDK_PAINTABLE_IMMUTABLE (GDK_PAINTABLE_STATIC_SIZE | GDK_PAINTABLE_STATIC_CONTENTS)
static gboolean
gtk_css_image_paintable_is_dynamic (GtkCssImage *image)
{
GtkCssImagePaintable *paintable = GTK_CSS_IMAGE_PAINTABLE (image);
return (gdk_paintable_get_flags (paintable->paintable) & GDK_PAINTABLE_IMMUTABLE) == GDK_PAINTABLE_IMMUTABLE;
}
static GtkCssImage *
gtk_css_image_paintable_get_dynamic_image (GtkCssImage *image,
gint64 monotonic_time)
{
return gtk_css_image_paintable_get_static_image (image);
}
static void
gtk_css_image_paintable_print (GtkCssImage *image,
GString *string)
{
g_string_append (string, "none /* FIXME */");
}
static void
gtk_css_image_paintable_dispose (GObject *object)
{
GtkCssImagePaintable *paintable = GTK_CSS_IMAGE_PAINTABLE (object);
g_clear_object (&paintable->paintable);
g_clear_object (&paintable->static_paintable);
G_OBJECT_CLASS (gtk_css_image_paintable_parent_class)->dispose (object);
}
static gboolean
gtk_css_image_paintable_is_computed (GtkCssImage *image)
{
GtkCssImagePaintable *self = GTK_CSS_IMAGE_PAINTABLE (image);
return (gdk_paintable_get_flags (self->paintable) & GDK_PAINTABLE_IMMUTABLE) == GDK_PAINTABLE_IMMUTABLE;
}
static void
gtk_css_image_paintable_class_init (GtkCssImagePaintableClass *klass)
{
GtkCssImageClass *image_class = GTK_CSS_IMAGE_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
image_class->get_width = gtk_css_image_paintable_get_width;
image_class->get_height = gtk_css_image_paintable_get_height;
image_class->get_aspect_ratio = gtk_css_image_paintable_get_aspect_ratio;
image_class->snapshot = gtk_css_image_paintable_snapshot;
image_class->print = gtk_css_image_paintable_print;
image_class->compute = gtk_css_image_paintable_compute;
image_class->equal = gtk_css_image_paintable_equal;
image_class->is_dynamic = gtk_css_image_paintable_is_dynamic;
image_class->is_computed = gtk_css_image_paintable_is_computed;
image_class->get_dynamic_image = gtk_css_image_paintable_get_dynamic_image;
object_class->dispose = gtk_css_image_paintable_dispose;
}
static void
gtk_css_image_paintable_init (GtkCssImagePaintable *image_paintable)
{
}
GtkCssImage *
gtk_css_image_paintable_new (GdkPaintable *paintable,
GdkPaintable *static_paintable)
{
GtkCssImage *image;
gtk_internal_return_val_if_fail (GDK_IS_PAINTABLE (paintable), NULL);
gtk_internal_return_val_if_fail (static_paintable == NULL || GDK_IS_PAINTABLE (static_paintable), NULL);
image = g_object_new (GTK_TYPE_CSS_IMAGE_PAINTABLE, NULL);
GTK_CSS_IMAGE_PAINTABLE (image)->paintable = g_object_ref (paintable);
if (static_paintable)
GTK_CSS_IMAGE_PAINTABLE (image)->static_paintable = g_object_ref (static_paintable);
return image;
}
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