rsvg-base-file-util.c 2.65 KB
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/* vim: set sw=4: -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
   rsvg-file-util.c: SAX-based renderer for SVG files into a GdkPixbuf.

   Copyright (C) 2000 Eazel, Inc.
   Copyright (C) 2002 Dom Lachowicz <cinamod@hotmail.com>

   This program 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 program 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 program; if not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.

   Author: Raph Levien <raph@artofcode.com>
*/

#include "config.h"
#include "rsvg.h"
#include "rsvg-private.h"

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/**
 * rsvg_handle_new_from_data:
 * @data: The SVG data
 * @data_len: The length of #data, in bytes
 * @error: return location for errors
 *
 * Loads the SVG specified by #data.
 *
 * Returns: A RsvgHandle or %NULL if an error occurs.
 * Since: 2.14
 */
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RsvgHandle * rsvg_handle_new_from_data (const guint8 *data,
										gsize data_len,
										GError **error)
{
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	RsvgHandle * handle;

	g_return_val_if_fail(data != NULL, NULL);
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	g_return_val_if_fail(data_len != 0, NULL);
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	handle = rsvg_handle_new ();

	if(handle) {
		if(!rsvg_handle_write (handle, data, data_len, error)) {
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			g_object_unref(G_OBJECT(handle));
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			handle = NULL;
		} else {
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			if(!rsvg_handle_close(handle, error)) {
				g_object_unref (G_OBJECT(handle));
				handle = NULL;
			}
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		}
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	}

	return handle;
}

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/**
 * rsvg_handle_new_from_file:
 * @file_name: The file name to load. If built with gnome-vfs, can be a URI.
 * @error: return location for errors
 *
 * Loads the SVG specified by #file_name.
 *
 * Returns: A RsvgHandle or %NULL if an error occurs.
 * Since: 2.14
 */
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RsvgHandle * rsvg_handle_new_from_file (const gchar *file_name,
										GError **error)
{
	gchar * base_uri;
	GByteArray *f;
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	RsvgHandle * handle = NULL;
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	g_return_val_if_fail(file_name != NULL, NULL);

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	base_uri = rsvg_get_base_uri_from_filename(file_name);
	f = _rsvg_acquire_xlink_href_resource (file_name, base_uri, error);

	if (f)
		{
			handle = rsvg_handle_new_from_data (f->data, f->len, error);
			if (handle)
				rsvg_handle_set_base_uri (handle, base_uri);
			g_byte_array_free (f, TRUE);
		} 
	
	g_free(base_uri);

	return handle;
}