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+/**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 S60VIDEODISPLAY_H
+#define S60VIDEODISPLAY_H
+
+#include <QtCore/QMetaType>
+#include <QtCore/QObject>
+#include <QtCore/QRect>
+#include <QtCore/QSize>
+#include <QtGui/qwindowdefs.h>
+
+class CFbsBitmap;
+class RWindow;
+
+QT_USE_NAMESPACE
+
+/*
+ * This class defines a common API used by Symbian camera and mediaplayer
+ * backends to render to on-screen video outputs, i.e. implementations of
+ * QVideoWidgetControl and QVideoWindowControl.
+ */
+class S60VideoDisplay : public QObject
+{
+ Q_OBJECT
+public:
+ S60VideoDisplay(QObject *parent);
+ virtual ~S60VideoDisplay();
+
+ /*
+ * Returns native Symbian handle of the window to be used for rendering
+ */
+ RWindow *windowHandle() const;
+
+ /*
+ * Returns Qt WId (CCoeControl* on Symbian)
+ */
+ virtual WId winId() const = 0;
+
+ /*
+ * Returns video display rectangle
+ *
+ * This is the rectangle which includes both the video content itself, plus
+ * any border bars which added around the video. The aspect ratio of this
+ * rectangle therefore may differ from that of the nativeSize().
+ *
+ * If running on a platform supporting video rendering to graphics
+ * surfaces (i.e. if VIDEOOUTPUT_GRAPHICS_SURFACES is defined), the return
+ * value is the relative to the origin of the video window. Otherwise, the
+ * return value is an absolute screen rectangle.
+ *
+ * Note that this rectangle can extend beyond the bounds of the screen or of
+ * the video window.
+ *
+ * When using QVideoWindowControl, the size of the extentRect matches the
+ * displayRect; if running on a platform which supports only DSA rendering,
+ * the origin differs as described above.
+ *
+ * See also clipRect, contentRect
+ */
+ virtual QRect extentRect() const = 0;
+
+ /*
+ * Returns video clipping rectangle
+ *
+ * This rectangle is the intersection of displayRect() with either the window
+ * rectangle (on platforms supporting video rendering to graphics surfaces),
+ * or the screen rectangle (on platforms supporting only DSA video rendering).
+ *
+ * If running on a platform supporting video rendering to graphics
+ * surfaces (i.e. if VIDEOOUTPUT_GRAPHICS_SURFACES is defined), the return
+ * value is the relative to the origin of the video window. Otherwise, the
+ * return value is an absolute screen rectangle.
+ *
+ * See also extentRect, contentRect
+ */
+ QRect clipRect() const;
+
+ /*
+ * Returns video content rectangle
+ *
+ * This is the rectangle in which the video content is rendered, i.e. its
+ * size is that of extentRect() minus border bars. The aspect ratio of this
+ * rectangle is therefore equal to that of the nativeSize().
+ *
+ * This rectangle is always relative to the window in which video is rendered.
+ *
+ * See also extentRect, clipRect
+ */
+ QRect contentRect() const;
+
+ void setFullScreen(bool enabled);
+ bool isFullScreen() const;
+
+ void setVisible(bool visible);
+ bool isVisible() const;
+
+ void setAspectRatioMode(Qt::AspectRatioMode mode);
+ Qt::AspectRatioMode aspectRatioMode() const;
+
+ const QSize& nativeSize() const;
+
+ void setPaintingEnabled(bool enabled);
+ bool isPaintingEnabled() const;
+
+ void setRotation(qreal value);
+ qreal rotation() const;
+
+public slots:
+ void setNativeSize(const QSize &size);
+
+ /*
+ * Provide new video frame
+ *
+ * If setPaintingEnabled(true) has been called, the frame is rendered to
+ * the display.
+ *
+ * If a QWidget is available to the control (i.e. the control is a
+ * QVideoWidgetControl), the frame is rendered via QPainter. Otherwise, the
+ * frame is blitted to the window using native Symbian drawing APIs.
+ */
+ virtual void setFrame(const CFbsBitmap &bitmap) = 0;
+
+signals:
+ void windowHandleChanged(RWindow *);
+ void displayRectChanged(QRect extentRect, QRect clipRect);
+ void fullScreenChanged(bool);
+ void visibilityChanged(bool);
+ void aspectRatioModeChanged(Qt::AspectRatioMode);
+ void nativeSizeChanged(QSize);
+ void contentRectChanged(QRect);
+ void paintingEnabledChanged(bool);
+ void rotationChanged(qreal);
+ void beginVideoWindowNativePaint();
+ void endVideoWindowNativePaint();
+
+private slots:
+ void updateContentRect();
+
+private:
+ QRect m_contentRect;
+ bool m_fullScreen;
+ bool m_visible;
+ Qt::AspectRatioMode m_aspectRatioMode;
+ QSize m_nativeSize;
+ bool m_paintingEnabled;
+ qreal m_rotation;
+};
+
+#endif // S60VIDEODISPLAY_H
+