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
122
123
124
125
126
127
|
/*
* This file is part of the internal font implementation. It should not be included by anyone other than
* FontMac.cpp, FontWin.cpp and Font.cpp.
*
* Copyright (C) 2006, 2007, 2008 Apple Inc.
* Copyright (C) 2007 Alp Toker
* Copyright (C) 2008, 2010, 2011 Brent Fulgham
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "FontPlatformData.h"
#include <wtf/HashMap.h>
#include <wtf/RetainPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
#include <cairo-win32.h>
using namespace std;
namespace WebCore {
void FontPlatformData::platformDataInit(HFONT font, float size, HDC hdc, WCHAR* faceName)
{
cairo_font_face_t* fontFace = cairo_win32_font_face_create_for_hfont(font);
cairo_matrix_t sizeMatrix, ctm;
cairo_matrix_init_identity(&ctm);
cairo_matrix_init_scale(&sizeMatrix, size, size);
static cairo_font_options_t* fontOptions = 0;
if (!fontOptions) {
fontOptions = cairo_font_options_create();
cairo_font_options_set_antialias(fontOptions, CAIRO_ANTIALIAS_SUBPIXEL);
}
m_scaledFont = cairo_scaled_font_create(fontFace, &sizeMatrix, &ctm, fontOptions);
cairo_font_face_destroy(fontFace);
}
FontPlatformData::FontPlatformData(HFONT font, cairo_font_face_t* fontFace, float size, bool bold, bool oblique)
: m_font(RefCountedGDIHandle<HFONT>::create(font))
, m_size(size)
, m_orientation(Horizontal)
, m_widthVariant(RegularWidth)
, m_scaledFont(0)
, m_isColorBitmapFont(false)
, m_syntheticBold(bold)
, m_syntheticOblique(oblique)
, m_useGDI(false)
{
cairo_matrix_t fontMatrix;
cairo_matrix_init_scale(&fontMatrix, size, size);
cairo_matrix_t ctm;
cairo_matrix_init_identity(&ctm);
cairo_font_options_t* options = cairo_font_options_create();
// We force antialiasing and disable hinting to provide consistent
// typographic qualities for custom fonts on all platforms.
cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_NONE);
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_GRAY);
if (syntheticOblique()) {
static const float syntheticObliqueSkew = -tanf(14 * acosf(0) / 90);
cairo_matrix_t skew = {1, 0, syntheticObliqueSkew, 1, 0, 0};
cairo_matrix_multiply(&fontMatrix, &skew, &fontMatrix);
}
m_scaledFont = cairo_scaled_font_create(fontFace, &fontMatrix, &ctm, options);
cairo_font_options_destroy(options);
}
FontPlatformData::~FontPlatformData()
{
if (m_scaledFont && m_scaledFont != hashTableDeletedFontValue())
cairo_scaled_font_destroy(m_scaledFont);
}
void FontPlatformData::platformDataInit(const FontPlatformData& source)
{
m_font = source.m_font;
m_useGDI = source.m_useGDI;
m_scaledFont = 0;
if (source.m_scaledFont)
m_scaledFont = cairo_scaled_font_reference(source.m_scaledFont);
}
const FontPlatformData& FontPlatformData::platformDataAssign(const FontPlatformData& other)
{
m_font = other.m_font;
m_useGDI = other.m_useGDI;
if (m_scaledFont && m_scaledFont != hashTableDeletedFontValue())
cairo_scaled_font_destroy(m_scaledFont);
m_scaledFont = cairo_scaled_font_reference(other.m_scaledFont);
return *this;
}
bool FontPlatformData::platformIsEqual(const FontPlatformData& other) const
{
return m_font == other.m_font
&& m_scaledFont == other.m_scaledFont
&& m_useGDI == other.m_useGDI;
}
}
|
