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| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
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| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ** $QT_BEGIN_LICENSE:LGPL21$ |
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| ****************************************************************************/ |
| |
| #ifndef QFONTMETRICS_H |
| #define QFONTMETRICS_H |
| |
| #include <QtGui/qfont.h> |
| #include <QtCore/qsharedpointer.h> |
| #ifndef QT_INCLUDE_COMPAT |
| #include <QtCore/qrect.h> |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| |
| class QTextCodec; |
| class QRect; |
| |
| |
| class Q_GUI_EXPORT QFontMetrics |
| { |
| public: |
| explicit QFontMetrics(const QFont &); |
| QFontMetrics(const QFont &, QPaintDevice *pd); |
| QFontMetrics(const QFontMetrics &); |
| ~QFontMetrics(); |
| |
| QFontMetrics &operator=(const QFontMetrics &); |
| #ifdef Q_COMPILER_RVALUE_REFS |
| inline QFontMetrics &operator=(QFontMetrics &&other) Q_DECL_NOEXCEPT |
| { qSwap(d, other.d); return *this; } |
| #endif |
| |
| void swap(QFontMetrics &other) Q_DECL_NOEXCEPT |
| { qSwap(d, other.d); } |
| |
| int ascent() const; |
| int descent() const; |
| int height() const; |
| int leading() const; |
| int lineSpacing() const; |
| int minLeftBearing() const; |
| int minRightBearing() const; |
| int maxWidth() const; |
| |
| int xHeight() const; |
| int averageCharWidth() const; |
| |
| bool inFont(QChar) const; |
| bool inFontUcs4(uint ucs4) const; |
| |
| int leftBearing(QChar) const; |
| int rightBearing(QChar) const; |
| int width(const QString &, int len = -1) const; |
| int width(const QString &, int len, int flags) const; |
| |
| int width(QChar) const; |
| int charWidth(const QString &str, int pos) const; |
| |
| QRect boundingRect(QChar) const; |
| |
| QRect boundingRect(const QString &text) const; |
| QRect boundingRect(const QRect &r, int flags, const QString &text, int tabstops=0, int *tabarray=0) const; |
| inline QRect boundingRect(int x, int y, int w, int h, int flags, const QString &text, |
| int tabstops=0, int *tabarray=0) const |
| { return boundingRect(QRect(x, y, w, h), flags, text, tabstops, tabarray); } |
| QSize size(int flags, const QString& str, int tabstops=0, int *tabarray=0) const; |
| |
| QRect tightBoundingRect(const QString &text) const; |
| |
| QString elidedText(const QString &text, Qt::TextElideMode mode, int width, int flags = 0) const; |
| |
| int underlinePos() const; |
| int overlinePos() const; |
| int strikeOutPos() const; |
| int lineWidth() const; |
| |
| bool operator==(const QFontMetrics &other) const; |
| inline bool operator !=(const QFontMetrics &other) const { return !operator==(other); } |
| |
| private: |
| friend class QFontMetricsF; |
| friend class QStackTextEngine; |
| |
| QExplicitlySharedDataPointer<QFontPrivate> d; |
| }; |
| |
| Q_DECLARE_SHARED(QFontMetrics) |
| |
| class Q_GUI_EXPORT QFontMetricsF |
| { |
| public: |
| explicit QFontMetricsF(const QFont &); |
| QFontMetricsF(const QFont &, QPaintDevice *pd); |
| QFontMetricsF(const QFontMetrics &); |
| QFontMetricsF(const QFontMetricsF &); |
| ~QFontMetricsF(); |
| |
| QFontMetricsF &operator=(const QFontMetricsF &); |
| QFontMetricsF &operator=(const QFontMetrics &); |
| #ifdef Q_COMPILER_RVALUE_REFS |
| inline QFontMetricsF &operator=(QFontMetricsF &&other) |
| { qSwap(d, other.d); return *this; } |
| #endif |
| |
| void swap(QFontMetricsF &other) { qSwap(d, other.d); } |
| |
| qreal ascent() const; |
| qreal descent() const; |
| qreal height() const; |
| qreal leading() const; |
| qreal lineSpacing() const; |
| qreal minLeftBearing() const; |
| qreal minRightBearing() const; |
| qreal maxWidth() const; |
| |
| qreal xHeight() const; |
| qreal averageCharWidth() const; |
| |
| bool inFont(QChar) const; |
| bool inFontUcs4(uint ucs4) const; |
| |
| qreal leftBearing(QChar) const; |
| qreal rightBearing(QChar) const; |
| qreal width(const QString &string) const; |
| |
| qreal width(QChar) const; |
| |
| QRectF boundingRect(const QString &string) const; |
| QRectF boundingRect(QChar) const; |
| QRectF boundingRect(const QRectF &r, int flags, const QString& string, int tabstops=0, int *tabarray=0) const; |
| QSizeF size(int flags, const QString& str, int tabstops=0, int *tabarray=0) const; |
| |
| QRectF tightBoundingRect(const QString &text) const; |
| |
| QString elidedText(const QString &text, Qt::TextElideMode mode, qreal width, int flags = 0) const; |
| |
| qreal underlinePos() const; |
| qreal overlinePos() const; |
| qreal strikeOutPos() const; |
| qreal lineWidth() const; |
| |
| bool operator==(const QFontMetricsF &other) const; |
| inline bool operator !=(const QFontMetricsF &other) const { return !operator==(other); } |
| |
| private: |
| QExplicitlySharedDataPointer<QFontPrivate> d; |
| }; |
| |
| Q_DECLARE_SHARED(QFontMetricsF) |
| |
| QT_END_NAMESPACE |
| |
| #endif // QFONTMETRICS_H |