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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QFONTENGINE_CORETEXT_P_H
#define QFONTENGINE_CORETEXT_P_H
#include <private/qfontengine_p.h>
#if defined(Q_OS_IOS)
#include <CoreText/CoreText.h>
#include <CoreGraphics/CoreGraphics.h>
#include <private/qcore_mac_p.h>
#endif
#if !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QRawFontPrivate;
class QCoreTextFontEngineMulti;
class QCoreTextFontEngine : public QFontEngine
{
public:
QCoreTextFontEngine(CTFontRef font, const QFontDef &def);
QCoreTextFontEngine(CGFontRef font, const QFontDef &def);
~QCoreTextFontEngine();
virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const;
virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
virtual glyph_metrics_t boundingBox(glyph_t glyph);
virtual QFixed ascent() const;
virtual QFixed descent() const;
virtual QFixed leading() const;
virtual QFixed xHeight() const;
virtual qreal maxCharWidth() const;
virtual QFixed averageCharWidth() const;
virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int numGlyphs,
QPainterPath *path, QTextItem::RenderFlags);
virtual const char *name() const { return "QCoreTextFontEngine"; }
virtual bool canRender(const QChar *string, int len);
virtual int synthesized() const { return synthesisFlags; }
virtual bool supportsSubPixelPositions() const { return true; }
virtual Type type() const { return QFontEngine::Mac; }
void draw(CGContextRef ctx, qreal x, qreal y, const QTextItemInt &ti, int paintDeviceHeight);
virtual FaceId faceId() const;
virtual bool getSfntTableData(uint /*tag*/, uchar * /*buffer*/, uint * /*length*/) const;
virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics);
virtual QImage alphaMapForGlyph(glyph_t, QFixed subPixelPosition);
virtual QImage alphaRGBMapForGlyph(glyph_t, QFixed subPixelPosition, int margin, const QTransform &t);
virtual qreal minRightBearing() const;
virtual qreal minLeftBearing() const;
virtual QFixed emSquareSize() const;
virtual QFontEngine *cloneWithSize(qreal pixelSize) const;
private:
friend class QRawFontPrivate;
void init();
QImage imageForGlyph(glyph_t glyph, QFixed subPixelPosition, int margin, bool colorful);
CTFontRef ctfont;
CGFontRef cgFont;
int synthesisFlags;
CGAffineTransform transform;
QFixed avgCharWidth;
friend class QCoreTextFontEngineMulti;
};
class QCoreTextFontEngineMulti : public QFontEngineMulti
{
public:
QCoreTextFontEngineMulti(const QCFString &name, const QFontDef &fontDef, bool kerning);
QCoreTextFontEngineMulti(CTFontRef ctFontRef, const QFontDef &fontDef, bool kerning);
~QCoreTextFontEngineMulti();
virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs,
QTextEngine::ShaperFlags flags) const;
bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs,
QTextEngine::ShaperFlags flags,
unsigned short *logClusters, const HB_CharAttributes *charAttributes,
QScriptItem *si) const;
virtual const char *name() const { return "CoreText"; }
inline CTFontRef macFontID() const { return ctfont; }
protected:
virtual void loadEngine(int at);
private:
void init(bool kerning);
inline const QCoreTextFontEngine *engineAt(int i) const
{ return static_cast<const QCoreTextFontEngine *>(engines.at(i)); }
uint fontIndexForFont(CTFontRef font) const;
CTFontRef ctfont;
mutable QCFType<CFMutableDictionaryRef> attributeDict;
CGAffineTransform transform;
friend class QFontDialogPrivate;
bool transformAdvances;
};
CGAffineTransform qt_transform_from_fontdef(const QFontDef &fontDef);
QT_END_NAMESPACE
QT_END_HEADER
#endif// !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
#endif // QFONTENGINE_CORETEXT_P_H
|
