Qt 4.8
qdirectfbpixmap.h
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41 
42 #ifndef QDIRECTFBPIXMAP_H
43 #define QDIRECTFBPIXMAP_H
44 
45 #include <qglobal.h>
46 
47 #ifndef QT_NO_QWS_DIRECTFB
48 
49 #include <QtGui/private/qpixmapdata_p.h>
50 #include <QtGui/private/qpaintengine_raster_p.h>
51 #include "qdirectfbpaintdevice.h"
52 #include <directfb.h>
53 
55 
57 
58 QT_MODULE(Gui)
59 
61 
63 {
64 public:
67 
68  // Re-implemented from QPixmapData:
69  virtual void resize(int width, int height);
70  virtual void fromImage(const QImage &image, Qt::ImageConversionFlags flags);
71 #ifdef QT_DIRECTFB_IMAGEPROVIDER
72  virtual bool fromFile(const QString &filename, const char *format,
73  Qt::ImageConversionFlags flags);
74  virtual bool fromData(const uchar *buffer, uint len, const char *format,
75  Qt::ImageConversionFlags flags);
76 #endif
77  virtual void copy(const QPixmapData *data, const QRect &rect);
78  virtual void fill(const QColor &color);
79  virtual QPixmap transformed(const QTransform &matrix,
80  Qt::TransformationMode mode) const;
81  virtual QImage toImage() const;
82  virtual QPaintEngine *paintEngine() const;
83  virtual QImage *buffer();
84  virtual bool scroll(int dx, int dy, const QRect &rect);
85  // Pure virtual in QPixmapData, so re-implement here and delegate to QDirectFBPaintDevice
87 
88  inline QImage::Format pixelFormat() const { return imageFormat; }
89  inline bool hasAlphaChannel() const { return alpha; }
90  static bool hasAlphaChannel(const QImage &img, Qt::ImageConversionFlags flags = Qt::AutoColor);
91 private:
92 #ifdef QT_DIRECTFB_IMAGEPROVIDER
93  bool fromDataBufferDescription(const DFBDataBufferDescription &dataBuffer);
94 #endif
95  void invalidate();
96  bool alpha;
97 };
98 
100 
102 
103 #endif // QT_NO_QWS_DIRECTFB
104 
105 #endif // QDIRECTFBPIXMAP_H
The QColor class provides colors based on RGB, HSV or CMYK values.
Definition: qcolor.h:67
QDirectFBPixmapData(QDirectFBScreen *screen, PixelType pixelType)
Format
The following image formats are available in Qt.
Definition: qimage.h:91
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
virtual int metric(QPaintDevice::PaintDeviceMetric m) const
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
virtual bool fromData(const uchar *buffer, uint len, const char *format, Qt::ImageConversionFlags flags)
QDirectFBScreen * screen
int width() const
bool fromDataBufferDescription(const DFBDataBufferDescription &dataBuffer)
The QString class provides a Unicode character string.
Definition: qstring.h:83
virtual void fromImage(const QImage &image, Qt::ImageConversionFlags flags)
virtual QImage toImage() const
PixelType pixelType() const
unsigned char uchar
Definition: qglobal.h:994
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
virtual QPaintEngine * paintEngine() const
TransformationMode
Definition: qnamespace.h:1510
The QImage class provides a hardware-independent image representation that allows direct access to th...
Definition: qimage.h:87
QImage::Format pixelFormat() const
static const char * data(const QByteArray &arr)
unsigned int uint
Definition: qglobal.h:996
virtual void copy(const QPixmapData *data, const QRect &rect)
int metric(QPaintDevice::PaintDeviceMetric metric) const
Reimplemented Function
The QPaintEngine class provides an abstract definition of how QPainter draws to a given device on a g...
Definition: qpaintengine.h:90
virtual void resize(int width, int height)
virtual QImage * buffer()
virtual void fill(const QColor &color)
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
The QPixmap class is an off-screen image representation that can be used as a paint device...
Definition: qpixmap.h:71
bool hasAlphaChannel() const
int height() const
virtual QPixmap transformed(const QTransform &matrix, Qt::TransformationMode mode) const
virtual bool fromFile(const QString &filename, const char *format, Qt::ImageConversionFlags flags)
#define QT_END_HEADER
Definition: qglobal.h:137
The QTransform class specifies 2D transformations of a coordinate system.
Definition: qtransform.h:65
virtual bool scroll(int dx, int dy, const QRect &rect)