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| |
| #ifndef QPLATFORMPIXMAP_H |
| #define QPLATFORMPIXMAP_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is part of the QPA API and is not meant to be used |
| // in applications. Usage of this API may make your code |
| // source and binary incompatible with future versions of Qt. |
| // |
| |
| #include <QtGui/qtguiglobal.h> |
| #include <QtGui/qpixmap.h> |
| #include <QtCore/qatomic.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QImageReader; |
| |
| class Q_GUI_EXPORT QPlatformPixmap |
| { |
| public: |
| enum PixelType { |
| // WARNING: Do not change the first two |
| // Must match QPixmap::Type |
| PixmapType, BitmapType |
| }; |
| |
| enum ClassId { RasterClass, DirectFBClass, |
| BlitterClass, Direct2DClass, |
| X11Class, CustomClass = 1024 }; |
| |
| QPlatformPixmap(PixelType pixelType, int classId); |
| virtual ~QPlatformPixmap(); |
| |
| virtual QPlatformPixmap *createCompatiblePlatformPixmap() const; |
| |
| virtual void resize(int width, int height) = 0; |
| virtual void fromImage(const QImage &image, |
| Qt::ImageConversionFlags flags) = 0; |
| virtual void fromImageInPlace(QImage &image, |
| Qt::ImageConversionFlags flags) |
| { |
| fromImage(image, flags); |
| } |
| |
| 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 QPlatformPixmap *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 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 qreal devicePixelRatio() const = 0; |
| virtual void setDevicePixelRatio(qreal scaleFactor) = 0; |
| |
| virtual QImage* buffer(); |
| |
| inline int width() const { return w; } |
| inline int height() const { return h; } |
| 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)); |
| } |
| |
| static QPlatformPixmap *create(int w, int h, PixelType type); |
| |
| protected: |
| |
| void setSerialNumber(int serNo); |
| void setDetachNumber(int detNo); |
| int w; |
| int h; |
| int d; |
| bool is_null; |
| |
| private: |
| friend class QPixmap; |
| friend class QX11PlatformPixmap; |
| friend class QImagePixmapCleanupHooks; // Needs to set is_cached |
| friend class QOpenGLTextureCache; //Needs to check the reference count |
| friend class QExplicitlySharedDataPointer<QPlatformPixmap>; |
| |
| 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 |
| Q_GUI_EXPORT bool qt_xForm_helper(const QTransform&, int, int, int, uchar*, int, int, int, const uchar*, int, int, int); |
| |
| QT_END_NAMESPACE |
| |
| #endif // QPLATFORMPIXMAP_H |