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
|
/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
******************************************************************************/
#ifndef QDISTANCEFIELD_H
#define QDISTANCEFIELD_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/private/qtguiglobal_p.h>
#include <qrawfont.h>
#include <private/qfontengine_p.h>
#include <QtCore/qshareddata.h>
#include <QtCore/qglobal.h>
#include <QLoggingCategory>
QT_BEGIN_NAMESPACE
bool Q_GUI_EXPORT qt_fontHasNarrowOutlines(const QRawFont &f);
bool Q_GUI_EXPORT qt_fontHasNarrowOutlines(QFontEngine *fontEngine);
int Q_GUI_EXPORT QT_DISTANCEFIELD_BASEFONTSIZE(bool narrowOutlineFont);
int Q_GUI_EXPORT QT_DISTANCEFIELD_TILESIZE(bool narrowOutlineFont);
int Q_GUI_EXPORT QT_DISTANCEFIELD_SCALE(bool narrowOutlineFont);
int Q_GUI_EXPORT QT_DISTANCEFIELD_RADIUS(bool narrowOutlineFont);
int Q_GUI_EXPORT QT_DISTANCEFIELD_HIGHGLYPHCOUNT();
class Q_GUI_EXPORT QDistanceFieldData : public QSharedData
{
public:
QDistanceFieldData() : glyph(0), width(0), height(0), nbytes(0), data(nullptr) {}
QDistanceFieldData(const QDistanceFieldData &other);
~QDistanceFieldData();
static QDistanceFieldData *create(const QSize &size);
static QDistanceFieldData *create(const QPainterPath &path, bool doubleResolution);
glyph_t glyph;
int width;
int height;
int nbytes;
uchar *data;
};
class Q_GUI_EXPORT QDistanceField
{
public:
QDistanceField();
QDistanceField(int width, int height);
QDistanceField(const QRawFont &font, glyph_t glyph, bool doubleResolution = false);
QDistanceField(QFontEngine *fontEngine, glyph_t glyph, bool doubleResolution = false);
QDistanceField(const QPainterPath &path, glyph_t glyph, bool doubleResolution = false);
bool isNull() const;
glyph_t glyph() const;
void setGlyph(const QRawFont &font, glyph_t glyph, bool doubleResolution = false);
void setGlyph(QFontEngine *fontEngine, glyph_t glyph, bool doubleResolution = false);
int width() const;
int height() const;
QDistanceField copy(const QRect &rect = QRect()) const;
inline QDistanceField copy(int x, int y, int w, int h) const
{ return copy(QRect(x, y, w, h)); }
uchar *bits();
const uchar *bits() const;
const uchar *constBits() const;
uchar *scanLine(int);
const uchar *scanLine(int) const;
const uchar *constScanLine(int) const;
QImage toImage(QImage::Format format = QImage::Format_ARGB32_Premultiplied) const;
private:
QDistanceField(QDistanceFieldData *data);
QSharedDataPointer<QDistanceFieldData> d;
friend class QDistanceFieldData;
};
QT_END_NAMESPACE
#endif // QDISTANCEFIELD_H
|
