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Diffstat (limited to 'examples/painting/transformations/renderarea.h')
-rw-r--r-- | examples/painting/transformations/renderarea.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/examples/painting/transformations/renderarea.h b/examples/painting/transformations/renderarea.h new file mode 100644 index 0000000..04ab0d3 --- /dev/null +++ b/examples/painting/transformations/renderarea.h @@ -0,0 +1,91 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef RENDERAREA_H +#define RENDERAREA_H + +#include <QFont> +#include <QList> +#include <QPainterPath> +#include <QRect> +#include <QWidget> + +QT_BEGIN_NAMESPACE +class QPaintEvent; +QT_END_NAMESPACE + +//! [0] +enum Operation { NoTransformation, Translate, Rotate, Scale }; +//! [0] + +//! [1] +class RenderArea : public QWidget +{ + Q_OBJECT + +public: + RenderArea(QWidget *parent = 0); + + void setOperations(const QList<Operation> &operations); + void setShape(const QPainterPath &shape); + + QSize minimumSizeHint() const; + QSize sizeHint() const; + +protected: + void paintEvent(QPaintEvent *event); +//! [1] + +//! [2] +private: + void drawCoordinates(QPainter &painter); + void drawOutline(QPainter &painter); + void drawShape(QPainter &painter); + void transformPainter(QPainter &painter); + + QList<Operation> operations; + QPainterPath shape; + QRect xBoundingRect; + QRect yBoundingRect; +}; +//! [2] + +#endif |