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
|
/* Copyright (c) 2010, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FontRenderStyle_h
#define FontRenderStyle_h
namespace WebCore {
// FontRenderStyle describes the user's preferences for rendering a font at a
// given size.
struct FontRenderStyle {
enum {
NoPreference = 2,
};
FontRenderStyle()
: useBitmaps(0)
, useAutoHint(0)
, useHinting(0)
, hintStyle(0)
, useAntiAlias(0)
, useSubpixelRendering(0)
, useSubpixelPositioning(0) { }
bool operator==(const FontRenderStyle& a) const
{
return useBitmaps == a.useBitmaps
&& useAutoHint == a.useAutoHint
&& useHinting == a.useHinting
&& hintStyle == a.hintStyle
&& useAntiAlias == a.useAntiAlias
&& useSubpixelRendering == a.useSubpixelRendering
&& useSubpixelPositioning == a.useSubpixelPositioning;
}
// Each of the use* members below can take one of three values:
// 0: off
// 1: on
// NoPreference: no preference expressed
char useBitmaps; // use embedded bitmap strike if possible
char useAutoHint; // use 'auto' hinting (FreeType specific)
char useHinting; // hint glyphs to the pixel grid
char hintStyle; // level of hinting, 0..3
char useAntiAlias; // antialias glyph shapes
char useSubpixelRendering; // use subpixel rendering (partially-filled pixels)
char useSubpixelPositioning; // use subpixel positioning (fractional X positions for glyphs)
};
}
#endif // FontRenderStyle_h
|
