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/****************************************************************************
**
** Copyright (C) 2010 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
};
#endif
enum ClassId { RasterClass, X11Class, MacClass, DirectFBClass,
OpenGLClass, OpenVGClass, RuntimeClass, 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 bool hasMask() 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
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