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/* this file is part of evince, a gnome document viewer
*
* Copyright (C) 2006 Carlos Garcia Campos <carlosgc@gnome.org>
*
* Evince is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Evince 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glib/gstdio.h>
#include <unistd.h>
#include "ev-document-misc.h"
#include "ev-file-helpers.h"
#include "ev-image.h"
struct _EvImagePrivate {
gint page;
gint id;
GdkPixbuf *pixbuf;
gchar *tmp_uri;
};
G_DEFINE_TYPE_WITH_PRIVATE (EvImage, ev_image, G_TYPE_OBJECT)
static void
ev_image_finalize (GObject *object)
{
EvImage *image = EV_IMAGE (object);
g_clear_object (&image->priv->pixbuf);
if (image->priv->tmp_uri) {
gchar *filename;
filename = g_filename_from_uri (image->priv->tmp_uri, NULL, NULL);
ev_tmp_filename_unlink (filename);
g_free (filename);
g_clear_pointer (&image->priv->tmp_uri, g_free);
}
(* G_OBJECT_CLASS (ev_image_parent_class)->finalize) (object);
}
static void
ev_image_class_init (EvImageClass *klass)
{
GObjectClass *g_object_class;
g_object_class = G_OBJECT_CLASS (klass);
g_object_class->finalize = ev_image_finalize;
}
static void
ev_image_init (EvImage *image)
{
image->priv = ev_image_get_instance_private (image);
}
EvImage *
ev_image_new (gint page,
gint img_id)
{
EvImage *image;
image = EV_IMAGE (g_object_new (EV_TYPE_IMAGE, NULL));
image->priv->page = page;
image->priv->id = img_id;
return image;
}
EvImage *
ev_image_new_from_pixbuf (GdkPixbuf *pixbuf)
{
EvImage *image;
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
image = EV_IMAGE (g_object_new (EV_TYPE_IMAGE, NULL));
image->priv->pixbuf = g_object_ref (pixbuf);
return image;
}
gint
ev_image_get_page (EvImage *image)
{
g_return_val_if_fail (EV_IS_IMAGE (image), -1);
return image->priv->page;
}
gint
ev_image_get_id (EvImage *image)
{
g_return_val_if_fail (EV_IS_IMAGE (image), -1);
return image->priv->id;
}
/**
* ev_image_get_pixbuf:
* @image: an #EvImage
*
* Returns: (transfer none): a #GdkPixbuf
*/
GdkPixbuf *
ev_image_get_pixbuf (EvImage *image)
{
g_return_val_if_fail (EV_IS_IMAGE (image), NULL);
g_return_val_if_fail (GDK_IS_PIXBUF (image->priv->pixbuf), NULL);
return image->priv->pixbuf;
}
const gchar *
ev_image_save_tmp (EvImage *image,
GdkPixbuf *pixbuf)
{
GError *error = NULL;
gchar *filename = NULL;
int fd;
g_return_val_if_fail (EV_IS_IMAGE (image), NULL);
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
if (image->priv->tmp_uri)
return image->priv->tmp_uri;
if ((fd = ev_mkstemp ("image.XXXXXX.png", &filename, &error)) == -1)
goto had_error;
gdk_pixbuf_save (pixbuf, filename,
"png", &error,
"compression", "3", NULL);
close (fd);
if (!error) {
image->priv->tmp_uri = g_filename_to_uri (filename, NULL, &error);
if (image->priv->tmp_uri == NULL)
goto had_error;
g_free (filename);
return image->priv->tmp_uri;
}
had_error:
/* Erro saving image */
g_warning ("Error saving image: %s", error->message);
g_error_free (error);
g_free (filename);
return NULL;
}
const gchar *
ev_image_get_tmp_uri (EvImage *image)
{
g_return_val_if_fail (EV_IS_IMAGE (image), NULL);
return image->priv->tmp_uri;
}
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