1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* Copyright © 2012 SCore 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.
*
* Author: Taekyun Kim (podain77@gmail.com)
*/
#ifndef CAIRO_TG_COMPOSITE_EXTENTS_PRIVATE_H
#define CAIRO_TG_COMPOSITE_EXTENTS_PRIVATE_H
#include "cairoint.h"
#include "cairo-pattern-private.h"
#include "cairo-clip-private.h"
#include "cairo-surface-private.h"
static inline void
_cairo_tg_approximate_paint_extents (cairo_rectangle_int_t *extents,
cairo_operator_t op,
const cairo_pattern_t *source,
const cairo_clip_t *clip)
{
*extents = * (_cairo_clip_get_extents (clip));
}
static inline void
_cairo_tg_approximate_mask_extents (cairo_rectangle_int_t *extents,
cairo_operator_t op,
const cairo_pattern_t *source,
const cairo_pattern_t *mask,
const cairo_clip_t *clip)
{
*extents = * (_cairo_clip_get_extents (clip));
}
static inline void
_cairo_tg_approximate_stroke_extents (cairo_rectangle_int_t *extents,
cairo_operator_t op,
const cairo_pattern_t *source,
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,
const cairo_clip_t *clip)
{
cairo_rectangle_int_t rect;
*extents = * (_cairo_clip_get_extents (clip));
if (_cairo_operator_bounded_by_either (op))
{
_cairo_path_fixed_approximate_stroke_extents (path, style, ctm, &rect);
_cairo_rectangle_intersect (extents, &rect);
}
}
static inline void
_cairo_tg_approximate_fill_extents (cairo_rectangle_int_t *extents,
cairo_operator_t op,
const cairo_pattern_t *source,
const cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
double tolerance,
cairo_antialias_t antialias,
const cairo_clip_t *clip)
{
cairo_rectangle_int_t rect;
*extents = * (_cairo_clip_get_extents (clip));
if (_cairo_operator_bounded_by_either (op))
{
_cairo_path_fixed_approximate_fill_extents (path, &rect);
_cairo_rectangle_intersect (extents, &rect);
}
}
static inline void
_cairo_tg_approximate_glyphs_extents (cairo_rectangle_int_t *extents,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_glyph_t *glyphs,
int num_glyphs,
cairo_scaled_font_t *scaled_font,
const cairo_clip_t *clip)
{
cairo_rectangle_int_t rect;
*extents = * (_cairo_clip_get_extents (clip));
if (_cairo_operator_bounded_by_either (op))
{
if (_cairo_scaled_font_glyph_approximate_extents (scaled_font, glyphs, num_glyphs, &rect))
_cairo_rectangle_intersect (extents, &rect);
}
}
#endif /* CAIRO_TG_COMPOSITE_EXTENTS_PRIVATE_H */
|
