blob: a4ebf5cbf70ebcb22779bf66c2bdb1a9ef5be05c (
plain)
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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQUICKFONTMETRICS_H
#define QQUICKFONTMETRICS_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 <private/qtquickglobal_p.h>
#include <QtQml/qqml.h>
#include <QtGui/qfontmetrics.h>
#include <QtCore/qobject.h>
QT_BEGIN_NAMESPACE
class QFont;
class Q_QUICK_EXPORT QQuickFontMetrics : public QObject
{
Q_OBJECT
Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged)
Q_PROPERTY(qreal ascent READ ascent NOTIFY fontChanged)
Q_PROPERTY(qreal descent READ descent NOTIFY fontChanged)
Q_PROPERTY(qreal height READ height NOTIFY fontChanged)
Q_PROPERTY(qreal leading READ leading NOTIFY fontChanged)
Q_PROPERTY(qreal lineSpacing READ lineSpacing NOTIFY fontChanged)
Q_PROPERTY(qreal minimumLeftBearing READ minimumLeftBearing NOTIFY fontChanged)
Q_PROPERTY(qreal minimumRightBearing READ minimumRightBearing NOTIFY fontChanged)
Q_PROPERTY(qreal maximumCharacterWidth READ maximumCharacterWidth NOTIFY fontChanged)
Q_PROPERTY(qreal xHeight READ xHeight NOTIFY fontChanged)
Q_PROPERTY(qreal averageCharacterWidth READ averageCharacterWidth NOTIFY fontChanged)
Q_PROPERTY(qreal underlinePosition READ underlinePosition NOTIFY fontChanged)
Q_PROPERTY(qreal overlinePosition READ overlinePosition NOTIFY fontChanged)
Q_PROPERTY(qreal strikeOutPosition READ strikeOutPosition NOTIFY fontChanged)
Q_PROPERTY(qreal lineWidth READ lineWidth NOTIFY fontChanged)
QML_NAMED_ELEMENT(FontMetrics)
QML_ADDED_IN_VERSION(2, 4)
public:
explicit QQuickFontMetrics(QObject *parent = nullptr);
QFont font() const;
void setFont(const QFont &font);
qreal ascent() const;
qreal descent() const;
qreal height() const;
qreal leading() const;
qreal lineSpacing() const;
qreal minimumLeftBearing() const;
qreal minimumRightBearing() const;
qreal maximumCharacterWidth() const;
qreal xHeight() const;
qreal averageCharacterWidth() const;
qreal underlinePosition() const;
qreal overlinePosition() const;
qreal strikeOutPosition() const;
qreal lineWidth() const;
Q_INVOKABLE qreal advanceWidth(const QString &text) const;
Q_INVOKABLE QRectF boundingRect(const QString &text) const;
Q_INVOKABLE QRectF tightBoundingRect(const QString &text) const;
Q_INVOKABLE QString elidedText(const QString &text, Qt::TextElideMode mode, qreal width, int flags = 0) const;
Q_SIGNALS:
void fontChanged(const QFont &font);
private:
QFont m_font;
QFontMetricsF m_metrics;
};
QT_END_NAMESPACE
#endif // QQUICKFONTMETRICS_H
|
