1 files changed, 122 insertions, 0 deletions
diff --git a/examples/gestures/imageviewer/imagewidget.h b/examples/gestures/imageviewer/imagewidget.h
new file mode 100644
index 0000000..56fcb40
--- /dev/null
+++ b/examples/gestures/imageviewer/imagewidget.h
@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ 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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef IMAGEWIDGET_H
+#define IMAGEWIDGET_H
+
+#include <QWidget>
+#include <QImage>
+#include <QPixmap>
+
+#include <QtGui>
+
+class ImageWidget : public QWidget
+{
+public:
+    ImageWidget(QWidget *parent = 0);
+
+    void openDirectory(const QString &path);
+
+protected:
+    void paintEvent(QPaintEvent*);
+    void gestureEvent(QGestureEvent *event);
+    void resizeEvent(QResizeEvent*);
+    void timerEvent(QTimerEvent*);
+
+private:
+    void updateImage();
+    QImage loadImage(const QString &fileName);
+    void loadImage();
+    void setZoomedIn(bool zoomed);
+    void goNextImage();
+    void goPrevImage();
+    void goToImage(int index);
+
+    QString path;
+    QStringList files;
+    int position;
+
+    QImage prevImage, nextImage;
+    QImage currentImage;
+    QPixmap pixmap;
+    QTransform transformation;
+
+    bool zoomedIn;
+    int horizontalOffset;
+    int verticalOffset;
+
+    bool zoomed;
+    qreal zoom;
+    bool rotated;
+    qreal angle;
+
+    struct TouchFeedback
+    {
+        bool tapped;
+        QPoint position;
+        bool sliding;
+        QPoint slidingStartPosition;
+        QBasicTimer tapTimer;
+        int tapState;
+        bool doubleTapped;
+        int tapAndHoldState;
+
+        enum { MaximumNumberOfTouches = 5 };
+        QPoint touches[MaximumNumberOfTouches];
+
+        inline TouchFeedback() { reset(); }
+        inline void reset()
+        {
+            tapped = false;
+            sliding = false;
+            tapTimer.stop();
+            tapState = 0;
+            doubleTapped = false;
+            tapAndHoldState = 0;
+            for (int i = 0; i < MaximumNumberOfTouches; ++i) {
+                touches[i] = QPoint();
+            }
+        }
+    } touchFeedback;
+    QBasicTimer feedbackFadeOutTimer;
+};
+
+#endif