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Diffstat (limited to 'examples/widgets/painting/transformations/renderarea.h')
-rw-r--r-- | examples/widgets/painting/transformations/renderarea.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/examples/widgets/painting/transformations/renderarea.h b/examples/widgets/painting/transformations/renderarea.h new file mode 100644 index 0000000000..adc6c1ad7f --- /dev/null +++ b/examples/widgets/painting/transformations/renderarea.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |