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

imagecomposer.h Example File
painting/imagecomposition/imagecomposer.h

 /****************************************************************************
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information ([email protected])
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** 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 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 [email protected].
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #ifndef IMAGECOMPOSER_H
 #define IMAGECOMPOSER_H

 #include <QPainter>
 #include <QWidget>

 class QComboBox;
 class QLabel;
 class QToolButton;

 class ImageComposer : public QWidget
 {
     Q_OBJECT

 public:
     ImageComposer();

 private slots:
     void chooseSource();
     void chooseDestination();
     void recalculateResult();

 private:
     void addOp(QPainter::CompositionMode mode, const QString &name);
     void chooseImage(const QString &title, QImage *image, QToolButton *button);
     void loadImage(const QString &fileName, QImage *image, QToolButton *button);
     QPainter::CompositionMode currentMode() const;
     QPoint imagePos(const QImage &image) const;

     QToolButton *sourceButton;
     QToolButton *destinationButton;
     QComboBox *operatorComboBox;
     QLabel *equalLabel;
     QLabel *resultLabel;

     QImage sourceImage;
     QImage destinationImage;
     QImage resultImage;
 };

 #endif