Learning_GTK4_tree/gtk/gtkcssimageinvalid.c

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2023-12-12 11:36:42 +01:00
/*
* Copyright © 2011 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 "gtkcssimageinvalidprivate.h"
G_DEFINE_TYPE (GtkCssImageInvalid, gtk_css_image_invalid, GTK_TYPE_CSS_IMAGE)
static void
gtk_css_image_invalid_snapshot (GtkCssImage *image,
GtkSnapshot *snapshot,
double width,
double height)
{
}
static gboolean
gtk_css_image_invalid_equal (GtkCssImage *image1,
GtkCssImage *image2)
{
return TRUE;
}
static void
gtk_css_image_invalid_print (GtkCssImage *image,
GString *string)
{
g_string_append (string, "none /* invalid image */");
}
static gboolean
gtk_css_image_invalid_is_invalid (GtkCssImage *image)
{
return TRUE;
}
static void
gtk_css_image_invalid_class_init (GtkCssImageInvalidClass *klass)
{
GtkCssImageClass *image_class = GTK_CSS_IMAGE_CLASS (klass);
image_class->snapshot = gtk_css_image_invalid_snapshot;
image_class->print = gtk_css_image_invalid_print;
image_class->equal = gtk_css_image_invalid_equal;
image_class->is_invalid = gtk_css_image_invalid_is_invalid;
}
static void
gtk_css_image_invalid_init (GtkCssImageInvalid *image_invalid)
{
}
GtkCssImage *
gtk_css_image_invalid_new (void)
{
return g_object_new (GTK_TYPE_CSS_IMAGE_INVALID, NULL);
}