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Diffstat (limited to 'src/openvg/qwindowsurface_vgegl_p.h')
| -rw-r--r-- | src/openvg/qwindowsurface_vgegl_p.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/openvg/qwindowsurface_vgegl_p.h b/src/openvg/qwindowsurface_vgegl_p.h new file mode 100644 index 0000000..12a4d3d --- /dev/null +++ b/src/openvg/qwindowsurface_vgegl_p.h @@ -0,0 +1,163 @@ +/**************************************************************************** +** +** 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://qt.nokia.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |