| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the QtOpenGL module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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. |
| ** |
| ** 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. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QPIXMAPDATA_GL_P_H |
| #define QPIXMAPDATA_GL_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "qgl_p.h" |
| #include "qgl.h" |
| |
| #include "private/qpixmapdata_p.h" |
| #include "private/qglpaintdevice_p.h" |
| |
| #ifdef Q_OS_SYMBIAN |
| #include "private/qvolatileimage_p.h" |
| #ifdef QT_SYMBIAN_SUPPORTS_SGIMAGE |
| # include <sgresource/sgimage.h> |
| #endif |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QPaintEngine; |
| class QGLFramebufferObject; |
| class QGLFramebufferObjectFormat; |
| class QGLPixmapData; |
| |
| #ifdef Q_OS_SYMBIAN |
| class QNativeImageHandleProvider; |
| #else |
| class QGLFramebufferObjectPool |
| { |
| public: |
| QGLFramebufferObject *acquire(const QSize &size, const QGLFramebufferObjectFormat &format, bool strictSize = false); |
| void release(QGLFramebufferObject *fbo); |
| |
| private: |
| QList<QGLFramebufferObject *> m_fbos; |
| }; |
| |
| QGLFramebufferObjectPool* qgl_fbo_pool(); |
| |
| |
| class QGLPixmapGLPaintDevice : public QGLPaintDevice |
| { |
| public: |
| QPaintEngine* paintEngine() const; |
| |
| void beginPaint(); |
| void endPaint(); |
| QGLContext* context() const; |
| QSize size() const; |
| bool alphaRequested() const; |
| |
| void setPixmapData(QGLPixmapData*); |
| private: |
| QGLPixmapData *data; |
| }; |
| #endif |
| |
| class Q_OPENGL_EXPORT QGLPixmapData : public QPixmapData |
| { |
| public: |
| QGLPixmapData(PixelType type); |
| ~QGLPixmapData(); |
| |
| QPixmapData *createCompatiblePixmapData() const; |
| |
| // Re-implemented from QPixmapData: |
| void resize(int width, int height); |
| void fromImage(const QImage &image, Qt::ImageConversionFlags flags); |
| void fromImageReader(QImageReader *imageReader, |
| Qt::ImageConversionFlags flags); |
| bool fromFile(const QString &filename, const char *format, |
| Qt::ImageConversionFlags flags); |
| bool fromData(const uchar *buffer, uint len, const char *format, |
| Qt::ImageConversionFlags flags); |
| void copy(const QPixmapData *data, const QRect &rect); |
| bool scroll(int dx, int dy, const QRect &rect); |
| void fill(const QColor &color); |
| bool hasAlphaChannel() const; |
| QImage toImage() const; |
| QPaintEngine *paintEngine() const; |
| int metric(QPaintDevice::PaintDeviceMetric metric) const; |
| |
| // For accessing as a target: |
| QGLPaintDevice *glDevice() const; |
| |
| // For accessing as a source: |
| bool isValidContext(const QGLContext *ctx) const; |
| GLuint bind(bool copyBack = true) const; |
| QGLTexture *texture() const; |
| |
| #ifdef Q_OS_SYMBIAN |
| void destroyTexture(); |
| // Detach this image from the image pool. |
| void detachTextureFromPool(); |
| // Release the GL resources associated with this pixmap and copy |
| // the pixmap's contents out of the GPU back into main memory. |
| // The GL resource will be automatically recreated the next time |
| // ensureCreated() is called. Does nothing if the pixmap cannot be |
| // hibernated for some reason (e.g. texture is shared with another |
| // process via a SgImage). |
| void hibernate(); |
| // Called when the QGLTexturePool wants to reclaim this pixmap's |
| // texture objects to reuse storage. |
| void reclaimTexture(); |
| void forceToImage(); |
| |
| QVolatileImage toVolatileImage() const { return m_source; } |
| QImage::Format idealFormat(QImage &image, Qt::ImageConversionFlags flags); |
| void* toNativeType(NativeType type); |
| void fromNativeType(void* pixmap, NativeType type); |
| bool initFromNativeImageHandle(void *handle, const QString &type); |
| void createFromNativeImageHandleProvider(); |
| void releaseNativeImageHandle(); |
| #endif |
| |
| private: |
| bool isValid() const; |
| |
| void ensureCreated() const; |
| |
| bool isUninitialized() const { return m_dirty && m_source.isNull(); } |
| |
| bool needsFill() const { return m_hasFillColor; } |
| QColor fillColor() const { return m_fillColor; } |
| |
| |
| |
| QGLPixmapData(const QGLPixmapData &other); |
| QGLPixmapData &operator=(const QGLPixmapData &other); |
| |
| void copyBackFromRenderFbo(bool keepCurrentFboBound) const; |
| QSize size() const { return QSize(w, h); } |
| |
| bool useFramebufferObjects() const; |
| |
| QImage fillImage(const QColor &color) const; |
| |
| void createPixmapForImage(QImage &image, Qt::ImageConversionFlags flags, bool inPlace); |
| |
| mutable QGLFramebufferObject *m_renderFbo; |
| mutable QPaintEngine *m_engine; |
| mutable QGLContext *m_ctx; |
| #ifdef Q_OS_SYMBIAN |
| mutable QVolatileImage m_source; |
| mutable QNativeImageHandleProvider *nativeImageHandleProvider; |
| void *nativeImageHandle; |
| QString nativeImageType; |
| #ifdef QT_SYMBIAN_SUPPORTS_SGIMAGE |
| RSgImage *m_sgImage; |
| #endif |
| #else |
| mutable QImage m_source; |
| #endif |
| mutable QGLTexture m_texture; |
| |
| // the texture is not in sync with the source image |
| mutable bool m_dirty; |
| |
| // fill has been called and no painting has been done, so the pixmap is |
| // represented by a single fill color |
| mutable QColor m_fillColor; |
| mutable bool m_hasFillColor; |
| |
| mutable bool m_hasAlpha; |
| #ifndef Q_OS_SYMBIAN |
| mutable QGLPixmapGLPaintDevice m_glDevice; |
| #endif |
| friend class QGLPixmapGLPaintDevice; |
| friend class QMeeGoPixmapData; |
| friend class QMeeGoLivePixmapData; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QPIXMAPDATA_GL_P_H |
| |
| |