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Diffstat (limited to 'examples/quick/scenegraph/customgeometry/beziercurve.h')
-rw-r--r-- | examples/quick/scenegraph/customgeometry/beziercurve.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/examples/quick/scenegraph/customgeometry/beziercurve.h b/examples/quick/scenegraph/customgeometry/beziercurve.h new file mode 100644 index 0000000000..7b750f3142 --- /dev/null +++ b/examples/quick/scenegraph/customgeometry/beziercurve.h @@ -0,0 +1,100 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef BEZIERCURVE_H +#define BEZIERCURVE_H + +//! [1] +#include <QtQuick/QQuickItem> + +class BezierCurve : public QQuickItem +{ + Q_OBJECT + + Q_PROPERTY(QPointF p1 READ p1 WRITE setP1 NOTIFY p1Changed) + Q_PROPERTY(QPointF p2 READ p2 WRITE setP2 NOTIFY p2Changed) + Q_PROPERTY(QPointF p3 READ p3 WRITE setP3 NOTIFY p3Changed) + Q_PROPERTY(QPointF p4 READ p4 WRITE setP4 NOTIFY p4Changed) + + Q_PROPERTY(int segmentCount READ segmentCount WRITE setSegmentCount NOTIFY segmentCountChanged) + +public: + BezierCurve(QQuickItem *parent = 0); + ~BezierCurve(); + +//! [2] + QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *); +//! [2] + + QPointF p1() const { return m_p1; } + QPointF p2() const { return m_p2; } + QPointF p3() const { return m_p3; } + QPointF p4() const { return m_p4; } + + int segmentCount() const { return m_segmentCount; } + + void setP1(const QPointF &p); + void setP2(const QPointF &p); + void setP3(const QPointF &p); + void setP4(const QPointF &p); + + void setSegmentCount(int count); + +signals: + void p1Changed(const QPointF &p); + void p2Changed(const QPointF &p); + void p3Changed(const QPointF &p); + void p4Changed(const QPointF &p); + + void segmentCountChanged(int count); + +private: + QPointF m_p1; + QPointF m_p2; + QPointF m_p3; + QPointF m_p4; + + int m_segmentCount; +}; +//! [1] + +#endif + |