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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenVG 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 QWINDOWSURFACE_VGEGL_P_H
#define QWINDOWSURFACE_VGEGL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the QLibrary class. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/private/qwindowsurface_p.h>
#include "qvg_p.h"
#if !defined(QT_NO_EGL)
#include <QtGui/private/qegl_p.h>
QT_BEGIN_NAMESPACE
class QWindowSurface;
class Q_OPENVG_EXPORT QVGEGLWindowSurfacePrivate
{
public:
QVGEGLWindowSurfacePrivate(QWindowSurface *win);
virtual ~QVGEGLWindowSurfacePrivate();
enum SurfaceType
{
WindowSurface,
VGImageSurface,
QImageSurface
};
static QVGEGLWindowSurfacePrivate *create
(SurfaceType type, QWindowSurface *win);
QVGPaintEngine *paintEngine();
virtual QEglContext *ensureContext(QWidget *widget) = 0;
virtual void beginPaint(QWidget *widget) = 0;
virtual void endPaint
(QWidget *widget, const QRegion& region, QImage *image = 0) = 0;
virtual VGImage surfaceImage() const;
virtual QSize surfaceSize() const = 0;
private:
QVGPaintEngine *engine;
protected:
QWindowSurface *winSurface;
void destroyPaintEngine();
QSize windowSurfaceSize(QWidget *widget) const;
};
#if defined(EGL_OPENVG_IMAGE) && !defined(QVG_NO_SINGLE_CONTEXT)
#define QVG_VGIMAGE_BACKBUFFERS 1
class Q_OPENVG_EXPORT QVGEGLWindowSurfaceVGImage : public QVGEGLWindowSurfacePrivate
{
public:
QVGEGLWindowSurfaceVGImage(QWindowSurface *win);
virtual ~QVGEGLWindowSurfaceVGImage();
QEglContext *ensureContext(QWidget *widget);
void beginPaint(QWidget *widget);
void endPaint(QWidget *widget, const QRegion& region, QImage *image);
VGImage surfaceImage() const;
QSize surfaceSize() const { return size; }
protected:
QEglContext *context;
VGImage backBuffer;
EGLSurface backBufferSurface;
bool recreateBackBuffer;
bool isPaintingActive;
QSize size;
EGLSurface windowSurface;
EGLSurface mainSurface() const;
};
class Q_OPENVG_EXPORT QVGEGLWindowSurfaceQImage : public QVGEGLWindowSurfaceVGImage
{
public:
QVGEGLWindowSurfaceQImage(QWindowSurface *win);
virtual ~QVGEGLWindowSurfaceQImage();
void endPaint(QWidget *widget, const QRegion& region, QImage *image);
};
#endif // EGL_OPENVG_IMAGE
class Q_OPENVG_EXPORT QVGEGLWindowSurfaceDirect : public QVGEGLWindowSurfacePrivate
{
public:
QVGEGLWindowSurfaceDirect(QWindowSurface *win);
virtual ~QVGEGLWindowSurfaceDirect();
QEglContext *ensureContext(QWidget *widget);
void beginPaint(QWidget *widget);
void endPaint(QWidget *widget, const QRegion& region, QImage *image);
QSize surfaceSize() const { return size; }
protected:
QEglContext *context;
QSize size;
bool isPaintingActive;
bool needToSwap;
EGLSurface windowSurface;
};
QT_END_NAMESPACE
#endif // !QT_NO_EGL
#endif // QWINDOWSURFACE_VGEGL_P_H
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