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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
Copyright (C) 2000 CodeFactory AB
Copyright (C) 2000 Jonas Borgstr\366m <jonas@codefactory.se>
Copyright (C) 2000 Anders Carlsson <andersca@codefactory.se>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <string.h>
#include "htmlimage.h"
#include "util/htmlmarshal.h"
enum {
REPAINT_IMAGE,
RESIZE_IMAGE,
LAST_UNREF,
LAST_SIGNAL
};
static guint image_signals [LAST_SIGNAL] = { 0 };
static GObjectClass *image_parent_class = NULL;
static void
html_image_dispose (GObject *image)
{
g_signal_emit (G_OBJECT (image), image_signals [LAST_UNREF], FALSE);
G_OBJECT_CLASS (image_parent_class)->dispose (G_OBJECT (image));
}
static void
html_image_area_updated (GdkPixbufLoader *loader, gint x, gint y, gint width, gint height, HtmlImage *image)
{
g_signal_emit (G_OBJECT (image), image_signals [REPAINT_IMAGE], 0, x, y, width, height);
}
static void
html_image_closed (GdkPixbufLoader *loader, HtmlImage *image)
{
}
static void
html_image_area_prepared (GdkPixbufLoader *loader, HtmlImage *image)
{
GdkPixbufAnimation *animation;
animation = gdk_pixbuf_loader_get_animation (loader);
if (gdk_pixbuf_animation_is_static_image (animation)) {
image->pixbuf = gdk_pixbuf_ref (gdk_pixbuf_loader_get_pixbuf (loader));
}
g_signal_emit (G_OBJECT (image), image_signals [RESIZE_IMAGE], 0);
}
static void
html_image_finalize (GObject *object)
{
HtmlImage *image = HTML_IMAGE (object);
g_free (image->uri);
if (image->pixbuf)
gdk_pixbuf_unref (image->pixbuf);
if (image->loader) {
g_signal_handlers_disconnect_by_func (image->loader,
(void *) html_image_area_prepared, image);
g_signal_handlers_disconnect_by_func (image->loader,
(void *) html_image_area_updated, image);
gdk_pixbuf_loader_close (image->loader, NULL);
g_object_unref (G_OBJECT (image->loader));
}
if (image->stream)
html_stream_cancel (image->stream);
G_OBJECT_CLASS (image_parent_class)->finalize (object);
}
static void
html_image_class_init (HtmlImageClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
image_parent_class = g_type_class_peek_parent (klass);
object_class->finalize = html_image_finalize;
object_class->dispose = html_image_dispose;
image_signals [REPAINT_IMAGE] =
g_signal_new ("repaint_image",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (HtmlImageClass, repaint_image),
NULL, NULL,
html_marshal_VOID__INT_INT_INT_INT,
G_TYPE_NONE,
4,
G_TYPE_INT, G_TYPE_INT,
G_TYPE_INT, G_TYPE_INT);
image_signals [RESIZE_IMAGE] =
g_signal_new ("resize_image",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (HtmlImageClass, resize_image),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
image_signals [LAST_UNREF] =
g_signal_new ("last_unref",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (HtmlImageClass, last_unref),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
}
static void
html_image_init (HtmlImage *image)
{
image->pixbuf = NULL;
image->stream = NULL;
image->broken = FALSE;
image->loading = FALSE;
image->loader = gdk_pixbuf_loader_new ();
g_signal_connect (G_OBJECT (image->loader), "area_prepared",
G_CALLBACK (html_image_area_prepared), image);
g_signal_connect (G_OBJECT (image->loader), "area_updated",
G_CALLBACK (html_image_area_updated), image);
g_signal_connect (G_OBJECT (image->loader), "closed",
G_CALLBACK (html_image_closed), image);
}
GType
html_image_get_type (void)
{
static GType html_image_type = 0;
if (!html_image_type) {
GTypeInfo html_image_info = {
sizeof (HtmlImageClass),
NULL,
NULL,
(GClassInitFunc) html_image_class_init,
NULL,
NULL,
sizeof (HtmlImage),
1,
(GInstanceInitFunc) html_image_init,
};
html_image_type = g_type_register_static (G_TYPE_OBJECT, "HtmlImage", &html_image_info, 0);
}
return html_image_type;
}
gint
html_image_get_width (HtmlImage *image)
{
if (image->pixbuf)
return gdk_pixbuf_get_width (image->pixbuf);
else
return 0;
}
gint
html_image_get_height (HtmlImage *image)
{
if (image->pixbuf)
return gdk_pixbuf_get_height (image->pixbuf);
else
return 0;
}
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