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Diffstat (limited to 'src/gui/image/qpixmapdata_p.h')
| -rw-r--r-- | src/gui/image/qpixmapdata_p.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/gui/image/qpixmapdata_p.h b/src/gui/image/qpixmapdata_p.h new file mode 100644 index 0000000000..6bbce09b6c --- /dev/null +++ b/src/gui/image/qpixmapdata_p.h @@ -0,0 +1,180 @@ +/**************************************************************************** +** +** 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 QtGui 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 QPIXMAPDATA_P_H +#define QPIXMAPDATA_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 <QtGui/qpixmap.h> +#include <QtCore/qatomic.h> + +QT_BEGIN_NAMESPACE + +class QImageReader; + +class Q_GUI_EXPORT QPixmapData +{ +public: + enum PixelType { + // WARNING: Do not change the first two + // Must match QPixmap::Type + PixmapType, BitmapType + }; +#if defined(Q_OS_SYMBIAN) + enum NativeType { + FbsBitmap, + SgImage, + VolatileImage, + NativeImageHandleProvider + }; +#endif + enum ClassId { RasterClass, X11Class, MacClass, DirectFBClass, + OpenGLClass, OpenVGClass, RuntimeClass, BlitterClass, + CustomClass = 1024 }; + + QPixmapData(PixelType pixelType, int classId); + virtual ~QPixmapData(); + + virtual QPixmapData *createCompatiblePixmapData() const; + + virtual void resize(int width, int height) = 0; + virtual void fromImage(const QImage &image, + Qt::ImageConversionFlags flags) = 0; + virtual void fromImageReader(QImageReader *imageReader, + Qt::ImageConversionFlags flags); + + virtual bool fromFile(const QString &filename, const char *format, + Qt::ImageConversionFlags flags); + virtual bool fromData(const uchar *buffer, uint len, const char *format, + Qt::ImageConversionFlags flags); + + virtual void copy(const QPixmapData *data, const QRect &rect); + virtual bool scroll(int dx, int dy, const QRect &rect); + + virtual int metric(QPaintDevice::PaintDeviceMetric metric) const = 0; + virtual void fill(const QColor &color) = 0; + virtual QBitmap mask() const; + virtual void setMask(const QBitmap &mask); + virtual bool hasAlphaChannel() const = 0; + virtual QPixmap transformed(const QTransform &matrix, + Qt::TransformationMode mode) const; + virtual void setAlphaChannel(const QPixmap &alphaChannel); + virtual QPixmap alphaChannel() const; + virtual QImage toImage() const = 0; + virtual QImage toImage(const QRect &rect) const; + virtual QPaintEngine* paintEngine() const = 0; + + inline int serialNumber() const { return ser_no; } + + inline PixelType pixelType() const { return type; } + inline ClassId classId() const { return static_cast<ClassId>(id); } + + virtual QImage* buffer(); + + inline int width() const { return w; } + inline int height() const { return h; } + QT_DEPRECATED inline int numColors() const { return metric(QPaintDevice::PdmNumColors); } + inline int colorCount() const { return metric(QPaintDevice::PdmNumColors); } + inline int depth() const { return d; } + inline bool isNull() const { return is_null; } + inline qint64 cacheKey() const { + int classKey = id; + if (classKey >= 1024) + classKey = -(classKey >> 10); + return ((((qint64) classKey) << 56) + | (((qint64) ser_no) << 32) + | ((qint64) detach_no)); + } + +#if defined(Q_OS_SYMBIAN) + virtual void* toNativeType(NativeType type); + virtual void fromNativeType(void* pixmap, NativeType type); +#endif + + static QPixmapData *create(int w, int h, PixelType type); + + virtual QPixmapData *runtimeData() const { return 0; } + +protected: + + void setSerialNumber(int serNo); + int w; + int h; + int d; + bool is_null; + +private: + friend class QPixmap; + friend class QX11PixmapData; + friend class QS60PixmapData; + friend class QImagePixmapCleanupHooks; // Needs to set is_cached + friend class QGLTextureCache; //Needs to check the reference count + friend class QExplicitlySharedDataPointer<QPixmapData>; + + QAtomicInt ref; + int detach_no; + + PixelType type; + int id; + int ser_no; + uint is_cached; +}; + +# define QT_XFORM_TYPE_MSBFIRST 0 +# define QT_XFORM_TYPE_LSBFIRST 1 +# if defined(Q_WS_WIN) +# define QT_XFORM_TYPE_WINDOWSPIXMAP 2 +# endif +extern bool qt_xForm_helper(const QTransform&, int, int, int, uchar*, int, int, int, const uchar*, int, int, int); + +QT_END_NAMESPACE + +#endif // QPIXMAPDATA_P_H |