From a38f8d96fc5781e6d99eadbd435f408f8729ac1b Mon Sep 17 00:00:00 2001 From: Mitch Curtis Date: Thu, 10 Jul 2014 17:16:09 +0200 Subject: Add QQuickFontMetrics. This will be a private C++ type that is exposed to QtQuick 2.4 as FontMetrics. [ChangeLog][QtQuick] Added QQuickFontMetrics, which provides a subset of QFontMetricsF's API. Change-Id: Iac31e5a555bd8f1dc0904b8de0408e5f1a402b25 Reviewed-by: J-P Nurmi Reviewed-by: Eskil Abrahamsen Blomfeldt --- src/quick/util/qquickfontmetrics_p.h | 114 +++++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 src/quick/util/qquickfontmetrics_p.h (limited to 'src/quick/util/qquickfontmetrics_p.h') diff --git a/src/quick/util/qquickfontmetrics_p.h b/src/quick/util/qquickfontmetrics_p.h new file mode 100644 index 0000000000..4017fd4061 --- /dev/null +++ b/src/quick/util/qquickfontmetrics_p.h @@ -0,0 +1,114 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtQuick 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 QQUICKFONTMETRICS_H +#define QQUICKFONTMETRICS_H + +#include + +#include +#include + +QT_BEGIN_NAMESPACE + +class QFont; + +class Q_AUTOTEST_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) +public: + explicit QQuickFontMetrics(QObject *parent = 0); + ~QQuickFontMetrics(); + + 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 + +QML_DECLARE_TYPE(QQuickFontMetrics) + +#endif // QQUICKFONTMETRICS_H -- cgit v1.2.3