Home · All Namespaces · All Classes · Main Classes · Grouped Classes · Modules · Functions

paintarea.h Example File
tools/plugandpaint/paintarea.h

 /****************************************************************************
 **
 ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information ([email protected])
 **
 ** This file is part of the example classes of the Qt Toolkit.
 **
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Nokia.
 **
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
 ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
 ** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
 ** exception, Nokia gives you certain additional rights. These rights
 ** are described in the Nokia Qt GPL Exception version 1.3, included in
 ** the file GPL_EXCEPTION.txt in this package.
 **
 ** Qt for Windows(R) Licensees
 ** As a special exception, Nokia, as the sole copyright holder for Qt
 ** Designer, grants users of the Qt/Eclipse Integration plug-in the
 ** right for the Qt/Eclipse Integration to link to functionality
 ** provided by Qt Designer and its related libraries.
 **
 ** If you are unsure which license is appropriate for your use, please
 ** contact the sales department at [email protected].
 **
 ****************************************************************************/

 #ifndef PAINTAREA_H
 #define PAINTAREA_H

 #include <QColor>
 #include <QImage>
 #include <QPainterPath>
 #include <QWidget>

 class BrushInterface;

 class PaintArea : public QWidget
 {
     Q_OBJECT

 public:
     PaintArea(QWidget *parent = 0);

     bool openImage(const QString &fileName);
     bool saveImage(const QString &fileName, const char *fileFormat);
     void setImage(const QImage &image);
     void insertShape(const QPainterPath &path);
     void setBrushColor(const QColor &color);
     void setBrushWidth(int width);
     void setBrush(BrushInterface *brushInterface, const QString &brush);

     QImage image() const { return theImage; }
     QColor brushColor() const { return color; }
     int brushWidth() const { return thickness; }
     QSize sizeHint() const;

 protected:
     void paintEvent(QPaintEvent *event);
     void mousePressEvent(QMouseEvent *event);
     void mouseMoveEvent(QMouseEvent *event);
     void mouseReleaseEvent(QMouseEvent *event);

 private:
     void setupPainter(QPainter &painter);

     QImage theImage;
     QColor color;
     int thickness;

     BrushInterface *brushInterface;
     QString brush;
     QPoint lastPos;

     QPainterPath pendingPath;
 };

 #endif


Copyright © 2008 Nokia Trademarks
Qt 4.4.3