forked from AuroraMiddleware/gtk
4beeb6173b
Use that instead of hacks to guess when an image is considered invalid according to https://drafts.csswg.org/css-images-4/#invalid-image Also add a GtkCssImageInvalid that implements the behavior of invalid images according to the CSS spec so thjat image implementations can refer to that image.
75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/*
|
|
* 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);
|
|
}
|