2b75c156b6
Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef PAINTAREA_H
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#define PAINTAREA_H
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#include <QColor>
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#include <QImage>
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#include <QPainterPath>
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#include <QWidget>
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class BrushInterface;
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class PaintArea : public QWidget
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{
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Q_OBJECT
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public:
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PaintArea(QWidget *parent = 0);
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bool openImage(const QString &fileName);
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bool saveImage(const QString &fileName, const char *fileFormat);
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void setImage(const QImage &image);
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void insertShape(const QPainterPath &path);
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void setBrushColor(const QColor &color);
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void setBrushWidth(int width);
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void setBrush(BrushInterface *brushInterface, const QString &brush);
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QImage image() const { return theImage; }
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QColor brushColor() const { return color; }
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int brushWidth() const { return thickness; }
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QSize sizeHint() const Q_DECL_OVERRIDE;
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protected:
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void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
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void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
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void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
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void mouseReleaseEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
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private:
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void setupPainter(QPainter &painter);
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QImage theImage;
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QColor color;
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int thickness;
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BrushInterface *brushInterface;
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QString brush;
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QPoint lastPos;
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QPainterPath pendingPath;
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};
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#endif
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