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author | David Boddie <dboddie@trolltech.com> | 2009-10-13 17:26:35 (GMT) |
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committer | David Boddie <dboddie@trolltech.com> | 2009-10-16 15:15:22 (GMT) |
commit | f0688de89cb82f6d3715bb03d7706fca4e6ab86f (patch) | |
tree | fd945f5a0852e1e089b271d8c609b3f752f5aa6f /examples/gestures/imagegestures/imagewidget.h | |
parent | 0266b3d62eb9f091c93dc6b2c59eaad0f64ddedc (diff) | |
download | Qt-f0688de89cb82f6d3715bb03d7706fca4e6ab86f.zip Qt-f0688de89cb82f6d3715bb03d7706fca4e6ab86f.tar.gz Qt-f0688de89cb82f6d3715bb03d7706fca4e6ab86f.tar.bz2 |
Doc: Moving the Image Gestures example.
Reviewed-by: Trust Me
Diffstat (limited to 'examples/gestures/imagegestures/imagewidget.h')
-rw-r--r-- | examples/gestures/imagegestures/imagewidget.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/examples/gestures/imagegestures/imagewidget.h b/examples/gestures/imagegestures/imagewidget.h new file mode 100644 index 0000000..7b91fbf --- /dev/null +++ b/examples/gestures/imagegestures/imagewidget.h @@ -0,0 +1,98 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef IMAGEWIDGET_H +#define IMAGEWIDGET_H + +#include <QWidget> +#include <QImage> +#include <QtGui> + +QT_BEGIN_NAMESPACE +class QGestureEvent; +class QPanGesture; +class QPinchGesture; +class QSwipeGesture; +QT_END_NAMESPACE + +class ImageWidget : public QWidget +{ + Q_OBJECT + +public: + ImageWidget(QWidget *parent = 0); + + void openDirectory(const QString &path); + +protected: + bool event(QEvent*); + bool gestureEvent(QGestureEvent*); + void paintEvent(QPaintEvent*); + void resizeEvent(QResizeEvent*); + void mouseDoubleClickEvent(QMouseEvent*); + +private: + void panTriggered(QPanGesture*); + void pinchTriggered(QPinchGesture*); + void swipeTriggered(QSwipeGesture*); + +private: + void updateImage(); + QImage loadImage(const QString &fileName); + void loadImage(); + void goNextImage(); + void goPrevImage(); + void goToImage(int index); + + QString path; + QStringList files; + int position; + + QImage prevImage, nextImage; + QImage currentImage; + + float horizontalOffset; + float verticalOffset; + float rotationAngle; + float scaleFactor; +}; + +#endif |