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https://github.com/Gnucash/gnucash.git
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f28d033d74
git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@11565 57a11ea4-9604-0410-9ed3-97b8803252fd
141 lines
3.3 KiB
C
141 lines
3.3 KiB
C
/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* god-image.c: MS Office Graphic Object support
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*
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* Copyright (C) 2000-2002
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* Jody Goldberg (jody@gnome.org)
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* Michael Meeks (mmeeks@gnu.org)
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* Christopher James Lahey <clahey@ximian.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include <goffice/goffice-config.h>
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#include "drawing/god-image.h"
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#include <gsf/gsf-impl-utils.h>
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#include <string.h>
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static GObjectClass *parent_class;
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struct GodImagePrivate_ {
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char *format;
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guint8 *data;
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guint32 length;
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GdkPixbuf *pixbuf;
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};
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static void
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ensure_pixbuf (GodImage *image)
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{
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GdkPixbufLoader *loader;
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if (image->priv->pixbuf)
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return;
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if (image->priv->format)
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loader = gdk_pixbuf_loader_new_with_type (image->priv->format, NULL);
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else
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loader = gdk_pixbuf_loader_new ();
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if (loader) {
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if (gdk_pixbuf_loader_write (loader, image->priv->data, image->priv->length, NULL)) {
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image->priv->pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
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if (image->priv->pixbuf) {
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g_object_ref (image->priv->pixbuf);
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}
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}
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gdk_pixbuf_loader_close (loader, NULL);
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g_object_unref (loader);
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}
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}
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GodImage *
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god_image_new (void)
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{
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GodImage *image;
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image = g_object_new (GOD_IMAGE_TYPE, NULL);
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return image;
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}
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GdkPixbuf *
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god_image_get_pixbuf (GodImage *image)
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{
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ensure_pixbuf (image);
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if (image->priv->pixbuf)
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g_object_ref (image->priv->pixbuf);
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return image->priv->pixbuf;
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}
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void
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god_image_set_image_data (GodImage *image,
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const char *format,
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const guint8 *data,
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guint32 length)
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{
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g_free (image->priv->data);
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g_free (image->priv->format);
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image->priv->format = g_strdup (format);
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image->priv->length = length;
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image->priv->data = g_memdup (data, length);
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if (image->priv->pixbuf)
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g_object_unref (image->priv->pixbuf);
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image->priv->pixbuf = NULL;
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}
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static void
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god_image_init (GObject *object)
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{
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GodImage *image = GOD_IMAGE (object);
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image->priv = g_new0 (GodImagePrivate, 1);
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}
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static void
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god_image_dispose (GObject *object)
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{
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GodImage *image = GOD_IMAGE (object);
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if (image->priv == NULL)
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return;
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if (image->priv->pixbuf)
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g_object_unref (image->priv->pixbuf);
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g_free (image->priv->data);
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g_free (image->priv->format);
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g_free (image->priv);
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image->priv = NULL;
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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god_image_class_init (GodImageClass *class)
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{
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GObjectClass *object_class;
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object_class = (GObjectClass *) class;
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parent_class = g_type_class_peek_parent (class);
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object_class->dispose = god_image_dispose;
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}
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GSF_CLASS (GodImage, god_image,
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god_image_class_init, god_image_init,
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G_TYPE_OBJECT)
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