/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
/* cairo - a vector graphics library with display and print output
 *
 * Copyright © 2002 University of Southern California
 * Copyright © 2005 Red Hat, Inc.
 * Copyright © 2011 Intel Corporation
 *
 * This library is free software; you can redistribute it and/or
 * modify it either under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation
 * (the "LGPL") or, at your option, under the terms of the Mozilla
 * Public License Version 1.1 (the "MPL"). If you do not alter this
 * notice, a recipient may use your version of this file under either
 * the MPL or the LGPL.
 *
 * You should have received a copy of the LGPL along with this library
 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
 * You should have received a copy of the MPL along with this library
 * in the file COPYING-MPL-1.1
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
 * the specific language governing rights and limitations.
 *
 * The Original Code is the cairo graphics library.
 *
 * The Initial Developer of the Original Code is University of Southern
 * California.
 *
 * Contributor(s):
 *	Carl D. Worth <cworth@cworth.org>
 *      Joonas Pihlaja <jpihlaja@cc.helsinki.fi>
 *	Chris Wilson <chris@chris-wilson.co.uk>
 */

#include "cairoint.h"

#include "cairo-compositor-private.h"
#include "cairo-image-surface-private.h"
#include "cairo-surface-offset-private.h"

/* high-level compositor interface */

static cairo_int_status_t
_cairo_fallback_compositor_paint (const cairo_compositor_t	*_compositor,
				  cairo_composite_rectangles_t	*extents)
{
    cairo_image_surface_t *image;
    cairo_int_status_t status;

    TRACE ((stderr, "%s\n", __FUNCTION__));

    image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded);

    status = _cairo_surface_offset_paint (&image->base,
					  extents->unbounded.x,
					  extents->unbounded.y,
					  extents->op,
					  &extents->source_pattern.base,
					  extents->clip);

    return _cairo_surface_unmap_image (extents->surface, image);
}

static cairo_int_status_t
_cairo_fallback_compositor_mask (const cairo_compositor_t	*_compositor,
				 cairo_composite_rectangles_t	*extents)
{
    cairo_image_surface_t *image;
    cairo_int_status_t status;

    TRACE ((stderr, "%s\n", __FUNCTION__));

    image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded);

    status = _cairo_surface_offset_mask (&image->base,
					 extents->unbounded.x,
					 extents->unbounded.y,
					 extents->op,
					 &extents->source_pattern.base,
					 &extents->mask_pattern.base,
					 extents->clip);

    return _cairo_surface_unmap_image (extents->surface, image);
}

static cairo_int_status_t
_cairo_fallback_compositor_stroke (const cairo_compositor_t	*_compositor,
				   cairo_composite_rectangles_t *extents,
				   const cairo_path_fixed_t	*path,
				   const cairo_stroke_style_t	*style,
				   const cairo_matrix_t		*ctm,
				   const cairo_matrix_t		*ctm_inverse,
				   double			 tolerance,
				   cairo_antialias_t		 antialias)
{
    cairo_image_surface_t *image;
    cairo_int_status_t status;

    TRACE ((stderr, "%s\n", __FUNCTION__));

    image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded);

    status = _cairo_surface_offset_stroke (&image->base,
					   extents->unbounded.x,
					   extents->unbounded.y,
					   extents->op,
					   &extents->source_pattern.base,
					   path, style,
					   ctm, ctm_inverse,
					   tolerance,
					   antialias,
					   extents->clip);

    return _cairo_surface_unmap_image (extents->surface, image);
}

static cairo_int_status_t
_cairo_fallback_compositor_fill (const cairo_compositor_t	*_compositor,
				 cairo_composite_rectangles_t *extents,
				 const cairo_path_fixed_t	*path,
				 cairo_fill_rule_t		 fill_rule,
				 double				 tolerance,
				 cairo_antialias_t		 antialias)
{
    cairo_image_surface_t *image;
    cairo_int_status_t status;

    TRACE ((stderr, "%s\n", __FUNCTION__));

    image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded);

    status = _cairo_surface_offset_fill (&image->base,
					 extents->unbounded.x,
					 extents->unbounded.y,
					 extents->op,
					 &extents->source_pattern.base,
					 path,
					 fill_rule, tolerance, antialias,
					 extents->clip);

    return _cairo_surface_unmap_image (extents->surface, image);
}

static cairo_int_status_t
_cairo_fallback_compositor_glyphs (const cairo_compositor_t	*_compositor,
				   cairo_composite_rectangles_t *extents,
				   cairo_scaled_font_t		*scaled_font,
				   cairo_glyph_t		*glyphs,
				   int				 num_glyphs,
				   cairo_bool_t			 overlap)
{
    cairo_image_surface_t *image;
    cairo_int_status_t status;

    TRACE ((stderr, "%s\n", __FUNCTION__));

    image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded);

    status = _cairo_surface_offset_glyphs (&image->base,
					   extents->unbounded.x,
					   extents->unbounded.y,
					   extents->op,
					   &extents->source_pattern.base,
					   scaled_font, glyphs, num_glyphs,
					   extents->clip);

    return _cairo_surface_unmap_image (extents->surface, image);
}

const cairo_compositor_t _cairo_fallback_compositor = {
     &__cairo_no_compositor,

     _cairo_fallback_compositor_paint,
     _cairo_fallback_compositor_mask,
     _cairo_fallback_compositor_stroke,
     _cairo_fallback_compositor_fill,
     _cairo_fallback_compositor_glyphs,
};