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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=4 sts=4 ts=4 expandtab: */
/*
rsvg.c: SAX-based renderer for SVG files into a GdkPixbuf.
Copyright (C) 2000 Eazel, Inc.
Copyright (C) 2002-2005 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"
#include "rsvg-css.h"
#include "rsvg-styles.h"
#include "rsvg-shapes.h"
#include "rsvg-image.h"
#include "rsvg-text.h"
#include "rsvg-filter.h"
#include "rsvg-mask.h"
#include "rsvg-marker.h"
#include <math.h>
#include <string.h>
#include <stdarg.h>
#include "rsvg-cairo.h"
#include "rsvg-cairo-draw.h"
/**
* rsvg_handle_get_pixbuf_sub:
* @handle: An #RsvgHandle
* @id: (nullable): The id of an element inside the SVG, or %NULL to
* render the whole SVG. For example, if you have a layer called
* "layer1" that you wish to render, pass "##layer1" as the id.
*
* Returns the pixbuf loaded by @handle. The pixbuf returned will be reffed, so
* the caller of this function must assume that ref. If insufficient data has
* been read to create the pixbuf, or an error occurred in loading, then %NULL
* will be returned. Note that the pixbuf may not be complete until
* @rsvg_handle_close has been called.
*
* Returns: (transfer full) (nullable): the pixbuf loaded by @handle, or %NULL.
*
* Since: 2.14
**/
GdkPixbuf *
rsvg_handle_get_pixbuf_sub (RsvgHandle * handle, const char *id)
{
RsvgDimensionData dimensions;
GdkPixbuf *output = NULL;
cairo_surface_t *surface;
cairo_t *cr;
g_return_val_if_fail (handle != NULL, NULL);
if (!handle->priv->finished)
return NULL;
rsvg_handle_get_dimensions (handle, &dimensions);
if (!(dimensions.width && dimensions.height))
return NULL;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
dimensions.width, dimensions.height);
if (cairo_surface_status (surface) != CAIRO_STATUS_SUCCESS) {
cairo_surface_destroy (surface);
return NULL;
}
cr = cairo_create (surface);
if (!rsvg_handle_render_cairo_sub (handle, cr, id)) {
cairo_destroy (cr);
cairo_surface_destroy (surface);
return NULL;
}
cairo_destroy (cr);
output = rsvg_cairo_surface_to_pixbuf (surface);
cairo_surface_destroy (surface);
return output;
}
/**
* rsvg_handle_get_pixbuf:
* @handle: An #RsvgHandle
*
* Returns the pixbuf loaded by @handle. The pixbuf returned will be reffed, so
* the caller of this function must assume that ref. If insufficient data has
* been read to create the pixbuf, or an error occurred in loading, then %NULL
* will be returned. Note that the pixbuf may not be complete until
* @rsvg_handle_close has been called.
*
* Returns: (transfer full) (nullable): the pixbuf loaded by @handle, or %NULL.
**/
GdkPixbuf *
rsvg_handle_get_pixbuf (RsvgHandle * handle)
{
return rsvg_handle_get_pixbuf_sub (handle, NULL);
}
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