Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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
*
* 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,
};