src/gui/embedded/qdirectpainter_qws.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/embedded/qdirectpainter_qws.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** 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 QtGui module 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 QDIRECTPAINTER_QWS_H
+#define QDIRECTPAINTER_QWS_H
+
+#include <QtCore/qobject.h>
+#include <QtGui/qregion.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_DIRECTPAINTER
+class QDirectPainterPrivate;
+class QWSEmbedEvent;
+
+class Q_GUI_EXPORT QDirectPainter : public QObject {
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QDirectPainter)
+public:
+
+    enum SurfaceFlag { NonReserved = 0,
+                       Reserved = 1,
+                       ReservedSynchronous = 3 };
+
+    explicit QDirectPainter(QObject *parentObject = 0, SurfaceFlag flag = NonReserved);
+    ~QDirectPainter();
+
+    void setRegion(const QRegion&);
+    QRegion requestedRegion() const;
+    QRegion allocatedRegion() const;
+
+    void setGeometry(const QRect&);
+    QRect geometry() const;
+
+    WId winId() const;
+    virtual void regionChanged(const QRegion &exposedRegion);
+
+    void startPainting(bool lockDisplay = true);
+    void endPainting();
+    void endPainting(const QRegion &region);
+    void flush(const QRegion &region);
+
+    void raise();
+    void lower();
+
+
+    static QRegion reserveRegion(const QRegion&);
+    static QRegion reservedRegion();
+    static QRegion region() { return reservedRegion(); }
+
+    static uchar* frameBuffer();
+    static int screenDepth();
+    static int screenWidth();
+    static int screenHeight();
+    static int linestep();
+
+    static void lock();
+    static void unlock();
+private:
+    friend  void qt_directpainter_region(QDirectPainter *dp, const QRegion &alloc, int type);
+    friend void qt_directpainter_embedevent(QDirectPainter*, const QWSEmbedEvent*);
+};
+
+#endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QDIRECTPAINTER_QWS_H