diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativetranslate.cpp')
-rw-r--r-- | src/declarative/graphicsitems/qdeclarativetranslate.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativetranslate.cpp b/src/declarative/graphicsitems/qdeclarativetranslate.cpp new file mode 100644 index 0000000..1c96fa4 --- /dev/null +++ b/src/declarative/graphicsitems/qdeclarativetranslate.cpp @@ -0,0 +1,136 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdeclarativetranslate_p.h" +#include <private/qgraphicstransform_p.h> +#include <QDebug> +#include <QtCore/qmath.h> + +QT_BEGIN_NAMESPACE + +class QDeclarativeTranslatePrivate : public QGraphicsTransformPrivate +{ +public: + QDeclarativeTranslatePrivate() + : x(0), y(0) {} + qreal x; + qreal y; +}; + +/*! + Constructs an empty QDeclarativeTranslate object with the given \a parent. +*/ +QDeclarativeTranslate::QDeclarativeTranslate(QObject *parent) + : QGraphicsTransform(*new QDeclarativeTranslatePrivate, parent) +{ +} + +/*! + Destroys the graphics scale. +*/ +QDeclarativeTranslate::~QDeclarativeTranslate() +{ +} + +/*! + \property QDeclarativeTranslate::x + \brief the horizontal translation. + + The translation can be any real number; the default value is 0.0. + + \sa y +*/ +qreal QDeclarativeTranslate::x() const +{ + Q_D(const QDeclarativeTranslate); + return d->x; +} +void QDeclarativeTranslate::setX(qreal x) +{ + Q_D(QDeclarativeTranslate); + if (d->x == x) + return; + d->x = x; + update(); + emit positionChanged(); +} + +/*! + \property QDeclarativeTranslate::y + \brief the vertical translation. + + The translation can be any real number; the default value is 0.0. + + \sa x +*/ +qreal QDeclarativeTranslate::y() const +{ + Q_D(const QDeclarativeTranslate); + return d->y; +} +void QDeclarativeTranslate::setY(qreal y) +{ + Q_D(QDeclarativeTranslate); + if (d->y == y) + return; + d->y = y; + update(); + emit positionChanged(); +} + +/*! + \reimp +*/ +void QDeclarativeTranslate::applyTo(QMatrix4x4 *matrix) const +{ + Q_D(const QDeclarativeTranslate); + matrix->translate(d->x, d->y, 0); +} + +/*! + \fn QDeclarativeTranslate::positionChanged() + + QDeclarativeTranslate emits this signal when its position changes. + + \sa QDeclarativeTranslate::x, QDeclarativeTranslate::y +*/ + +QT_END_NAMESPACE |