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# qscreenahigl_qws.h Example File
qtopiacore/ahigl/qscreenahigl_qws.h

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     ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
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     ** License version 2.0 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 GNU
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     #ifndef QAHIGLSCREEN_H
     #define QAHIGLSCREEN_H

     #include <QGLScreen>
     #include <QWSServer>

     class QAhiGLScreenPrivate;

     class QAhiGLScreen : public QGLScreen
     {
     public:
         QAhiGLScreen(int displayId);
         virtual ~QAhiGLScreen();

         bool initDevice();
         bool connect(const QString &displaySpec);
         void disconnect();
         void shutdownDevice();

         void setMode(int width, int height, int depth);
         void blank(bool on);

         void exposeRegion(QRegion r, int changing);

         QWSWindowSurface* createSurface(QWidget *widget) const;
         QWSWindowSurface* createSurface(const QString &key) const;

         bool hasOpenGL();

     private:
         void updateTexture(int windowIndex);
         void redrawScreen();
         void drawWindow(QWSWindow *win, qreal progress);
         void drawQuad(const QRect &textureGeometry,
                       const QRect &subGeometry,
                       const QRect &screenGeometry);
         void drawQuadInverseY(const QRect &textureGeometry,
                               const QRect &subTexGeometry,
                               const QRect &screenGeometry);
         void drawQuadWavyFlag(const QRect &textureGeometry,
                               const QRect &subTexGeometry,
                               const QRect &screenGeometry,
                               float progress);

         QAhiGLScreenPrivate *d_ptr;
         friend class QAhiGLScreenPrivate;
     };

     #endif // QAHIGLSCREEN_H