qfontmetrics.h
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上传日期:2022-06-22
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
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- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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
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- #ifndef QFONTMETRICS_H
- #define QFONTMETRICS_H
- #include <QtGui/qfont.h>
- #ifndef QT_INCLUDE_COMPAT
- #include <QtCore/qrect.h>
- #endif
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- #ifdef Q_WS_QWS
- class QFontEngine;
- #endif
- class QTextCodec;
- class QRect;
- class Q_GUI_EXPORT QFontMetrics
- {
- public:
- QFontMetrics(const QFont &);
- QFontMetrics(const QFont &, QPaintDevice *pd);
- QFontMetrics(const QFontMetrics &);
- ~QFontMetrics();
- QFontMetrics &operator=(const QFontMetrics &);
- 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;
- int leftBearing(QChar) const;
- int rightBearing(QChar) const;
- int width(const QString &, int len = -1) 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); // 5.0 - remove me
- bool operator==(const QFontMetrics &other) const;
- inline bool operator !=(const QFontMetrics &other) { return !operator==(other); } // 5.0 - remove me
- inline bool operator !=(const QFontMetrics &other) const { return !operator==(other); }
- #ifdef QT3_SUPPORT
- inline QRect boundingRect(const QString &text, int len) const
- { return boundingRect(text.left(len)); }
- inline QRect boundingRect(int x, int y, int w, int h, int flags, const QString& str, int len,
- int tabstops=0, int *tabarray=0) const
- { return boundingRect(QRect(x, y, w, h), flags, str.left(len), tabstops, tabarray); }
- inline QSize size(int flags, const QString& str, int len, int tabstops=0, int *tabarray=0) const
- { return size(flags, str.left(len), tabstops, tabarray); }
- #endif
- private:
- #if defined(Q_WS_MAC)
- friend class QFontPrivate;
- #endif
- friend class QFontMetricsF;
- friend class QStackTextEngine;
- QFontPrivate *d;
- };
- class Q_GUI_EXPORT QFontMetricsF
- {
- public:
- QFontMetricsF(const QFont &);
- QFontMetricsF(const QFont &, QPaintDevice *pd);
- QFontMetricsF(const QFontMetrics &);
- QFontMetricsF(const QFontMetricsF &);
- ~QFontMetricsF();
- QFontMetricsF &operator=(const QFontMetricsF &);
- QFontMetricsF &operator=(const QFontMetrics &);
- 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;
- 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); // 5.0 - remove me
- bool operator==(const QFontMetricsF &other) const;
- inline bool operator !=(const QFontMetricsF &other) { return !operator==(other); } // 5.0 - remove me
- inline bool operator !=(const QFontMetricsF &other) const { return !operator==(other); }
- private:
- QFontPrivate *d;
- };
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QFONTMETRICS_H