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/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
/* cairo - a vector graphics library with display and print output
* 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
* 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):
* Chris Wilson <>
#include "cairo-compositor-private.h"
#include "cairo-types-private.h"
#include "cairo-spans-private.h"
typedef struct _cairo_abstract_span_renderer {
cairo_span_renderer_t base;
char data[4096];
} cairo_abstract_span_renderer_t;
struct cairo_spans_compositor {
cairo_compositor_t base;
unsigned int flags;
/* pixel-aligned fast paths */
cairo_int_status_t (*fill_boxes) (void *surface,
cairo_operator_t op,
const cairo_color_t *color,
cairo_boxes_t *boxes);
cairo_int_status_t (*draw_image_boxes) (void *surface,
cairo_image_surface_t *image,
cairo_boxes_t *boxes,
int dx, int dy);
cairo_int_status_t (*copy_boxes) (void *surface,
cairo_surface_t *src,
cairo_boxes_t *boxes,
const cairo_rectangle_int_t *extents,
int dx, int dy);
cairo_surface_t * (*pattern_to_surface) (cairo_surface_t *dst,
const cairo_pattern_t *pattern,
cairo_bool_t is_mask,
const cairo_rectangle_int_t *extents,
const cairo_rectangle_int_t *sample,
int *src_x, int *src_y);
cairo_int_status_t (*composite_boxes) (void *surface,
cairo_operator_t op,
cairo_surface_t *source,
cairo_surface_t *mask,
int src_x,
int src_y,
int mask_x,
int mask_y,
int dst_x,
int dst_y,
cairo_boxes_t *boxes,
const cairo_rectangle_int_t *extents);
/* general shape masks using a span renderer */
cairo_int_status_t (*renderer_init) (cairo_abstract_span_renderer_t *renderer,
const cairo_composite_rectangles_t *extents,
cairo_antialias_t antialias,
cairo_bool_t needs_clip);
void (*renderer_fini) (cairo_abstract_span_renderer_t *renderer,
cairo_int_status_t status);
cairo_private void
_cairo_spans_compositor_init (cairo_spans_compositor_t *compositor,
const cairo_compositor_t *delegate);