1 /* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
2 /* cairo - a vector graphics library with display and print output
4 * Copyright © 2002 University of Southern California
5 * Copyright © 2005 Red Hat, Inc.
6 * Copyright © 2011 Intel Corporation
8 * This library is free software; you can redistribute it and/or
9 * modify it either under the terms of the GNU Lesser General Public
10 * License version 2.1 as published by the Free Software Foundation
11 * (the "LGPL") or, at your option, under the terms of the Mozilla
12 * Public License Version 1.1 (the "MPL"). If you do not alter this
13 * notice, a recipient may use your version of this file under either
14 * the MPL or the LGPL.
16 * You should have received a copy of the LGPL along with this library
17 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
19 * You should have received a copy of the MPL along with this library
20 * in the file COPYING-MPL-1.1
22 * The contents of this file are subject to the Mozilla Public License
23 * Version 1.1 (the "License"); you may not use this file except in
24 * compliance with the License. You may obtain a copy of the License at
25 * http://www.mozilla.org/MPL/
27 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
28 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
29 * the specific language governing rights and limitations.
31 * The Original Code is the cairo graphics library.
33 * The Initial Developer of the Original Code is University of Southern
37 * Carl D. Worth <cworth@cworth.org>
38 * Joonas Pihlaja <jpihlaja@cc.helsinki.fi>
39 * Chris Wilson <chris@chris-wilson.co.uk>
44 #include "cairo-compositor-private.h"
45 #include "cairo-image-surface-private.h"
46 #include "cairo-surface-offset-private.h"
48 /* high-level compositor interface */
50 static cairo_int_status_t
51 _cairo_fallback_compositor_paint (const cairo_compositor_t
*_compositor
,
52 cairo_composite_rectangles_t
*extents
)
54 cairo_image_surface_t
*image
;
55 cairo_int_status_t status
;
57 TRACE ((stderr
, "%s\n", __FUNCTION__
));
59 image
= _cairo_surface_map_to_image (extents
->surface
, &extents
->unbounded
);
61 status
= _cairo_surface_offset_paint (&image
->base
,
65 &extents
->source_pattern
.base
,
68 return _cairo_surface_unmap_image (extents
->surface
, image
);
71 static cairo_int_status_t
72 _cairo_fallback_compositor_mask (const cairo_compositor_t
*_compositor
,
73 cairo_composite_rectangles_t
*extents
)
75 cairo_image_surface_t
*image
;
76 cairo_int_status_t status
;
78 TRACE ((stderr
, "%s\n", __FUNCTION__
));
80 image
= _cairo_surface_map_to_image (extents
->surface
, &extents
->unbounded
);
82 status
= _cairo_surface_offset_mask (&image
->base
,
86 &extents
->source_pattern
.base
,
87 &extents
->mask_pattern
.base
,
90 return _cairo_surface_unmap_image (extents
->surface
, image
);
93 static cairo_int_status_t
94 _cairo_fallback_compositor_stroke (const cairo_compositor_t
*_compositor
,
95 cairo_composite_rectangles_t
*extents
,
96 const cairo_path_fixed_t
*path
,
97 const cairo_stroke_style_t
*style
,
98 const cairo_matrix_t
*ctm
,
99 const cairo_matrix_t
*ctm_inverse
,
101 cairo_antialias_t antialias
)
103 cairo_image_surface_t
*image
;
104 cairo_int_status_t status
;
106 TRACE ((stderr
, "%s\n", __FUNCTION__
));
108 image
= _cairo_surface_map_to_image (extents
->surface
, &extents
->unbounded
);
110 status
= _cairo_surface_offset_stroke (&image
->base
,
111 extents
->unbounded
.x
,
112 extents
->unbounded
.y
,
114 &extents
->source_pattern
.base
,
121 return _cairo_surface_unmap_image (extents
->surface
, image
);
124 static cairo_int_status_t
125 _cairo_fallback_compositor_fill (const cairo_compositor_t
*_compositor
,
126 cairo_composite_rectangles_t
*extents
,
127 const cairo_path_fixed_t
*path
,
128 cairo_fill_rule_t fill_rule
,
130 cairo_antialias_t antialias
)
132 cairo_image_surface_t
*image
;
133 cairo_int_status_t status
;
135 TRACE ((stderr
, "%s\n", __FUNCTION__
));
137 image
= _cairo_surface_map_to_image (extents
->surface
, &extents
->unbounded
);
139 status
= _cairo_surface_offset_fill (&image
->base
,
140 extents
->unbounded
.x
,
141 extents
->unbounded
.y
,
143 &extents
->source_pattern
.base
,
145 fill_rule
, tolerance
, antialias
,
148 return _cairo_surface_unmap_image (extents
->surface
, image
);
151 static cairo_int_status_t
152 _cairo_fallback_compositor_glyphs (const cairo_compositor_t
*_compositor
,
153 cairo_composite_rectangles_t
*extents
,
154 cairo_scaled_font_t
*scaled_font
,
155 cairo_glyph_t
*glyphs
,
157 cairo_bool_t overlap
)
159 cairo_image_surface_t
*image
;
160 cairo_int_status_t status
;
162 TRACE ((stderr
, "%s\n", __FUNCTION__
));
164 image
= _cairo_surface_map_to_image (extents
->surface
, &extents
->unbounded
);
166 status
= _cairo_surface_offset_glyphs (&image
->base
,
167 extents
->unbounded
.x
,
168 extents
->unbounded
.y
,
170 &extents
->source_pattern
.base
,
171 scaled_font
, glyphs
, num_glyphs
,
174 return _cairo_surface_unmap_image (extents
->surface
, image
);
177 const cairo_compositor_t _cairo_fallback_compositor
= {
178 &__cairo_no_compositor
,
180 _cairo_fallback_compositor_paint
,
181 _cairo_fallback_compositor_mask
,
182 _cairo_fallback_compositor_stroke
,
183 _cairo_fallback_compositor_fill
,
184 _cairo_fallback_compositor_glyphs
,