/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtOpenVG module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QVG_P_H+
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#define QVG_P_H+
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+
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#include "qvg.h"+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists for the convenience+
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// of other Qt classes.  This header file may change from version to+
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// version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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#include <QtGui/qimage.h>+
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+
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#if !defined(QT_NO_EGL)+
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#include <QtGui/private/qeglcontext_p.h>+
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#endif+
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+
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QT_BEGIN_NAMESPACE+
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+
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class QVGPaintEngine;+
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+
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#if !defined(QT_NO_EGL)+
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+
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class QEglContext;+
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+
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// Create an EGL context, but don't bind it to a surface.  If single-context+
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// mode is enabled, this will return the previously-created context.+
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// "devType" indicates the type of device using the context, usually+
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// QInternal::Widget or QInternal::Pixmap.+
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Q_OPENVG_EXPORT QEglContext *qt_vg_create_context+
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    (QPaintDevice *device, int devType);+
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+
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// Destroy an EGL context that was created by qt_vg_create_context().+
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// If single-context mode is enabled, this will decrease the reference count.+
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// "devType" indicates the type of device destroying the context, usually+
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// QInternal::Widget or QInternal::Pixmap.+
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Q_OPENVG_EXPORT void qt_vg_destroy_context+
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    (QEglContext *context, int devType);+
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+
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// Return the shared pbuffer surface that can be made current to+
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// destroy VGImage objects when there is no other surface available.+
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Q_OPENVG_EXPORT EGLSurface qt_vg_shared_surface(void);+
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+
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// Convert the configuration format in a context to a VG or QImage format.+
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Q_OPENVG_EXPORT VGImageFormat qt_vg_config_to_vg_format(QEglContext *context);+
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Q_OPENVG_EXPORT QImage::Format qt_vg_config_to_image_format(QEglContext *context);+
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+
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#endif+
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+
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// Create a paint engine.  Returns the common engine in single-context mode.+
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Q_OPENVG_EXPORT QVGPaintEngine *qt_vg_create_paint_engine(void);+
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+
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// Destroy a paint engine.  Does nothing in single-context mode.+
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Q_OPENVG_EXPORT void qt_vg_destroy_paint_engine(QVGPaintEngine *engine);+
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+
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// Convert between QImage and VGImage format values.+
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Q_OPENVG_EXPORT VGImageFormat qt_vg_image_to_vg_format(QImage::Format format);+
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+
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QT_END_NAMESPACE+
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+
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#endif+
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