Qt 4.8
qgraphicssystem_runtime_p.h
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41 
42 #ifndef QGRAPHICSSYSTEM_RUNTIME_P_H
43 #define QGRAPHICSSYSTEM_RUNTIME_P_H
44 
45 //
46 // W A R N I N G
47 // -------------
48 //
49 // This file is not part of the Qt API. It exists for the convenience
50 // of other Qt classes. This header file may change from version to
51 // version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include "qgraphicssystem_p.h"
57 
58 #include <private/qpixmapdata_p.h>
59 
61 
63 
65 public:
68 
69  virtual QPixmapData *createCompatiblePixmapData() const;
70  virtual void resize(int width, int height);
71  virtual void fromImage(const QImage &image,
72  Qt::ImageConversionFlags flags);
73 
74  virtual bool fromFile(const QString &filename, const char *format,
75  Qt::ImageConversionFlags flags);
76  virtual bool fromData(const uchar *buffer, uint len, const char *format,
77  Qt::ImageConversionFlags flags);
78 
79  virtual void copy(const QPixmapData *data, const QRect &rect);
80  virtual bool scroll(int dx, int dy, const QRect &rect);
81 
82  virtual int metric(QPaintDevice::PaintDeviceMetric metric) const;
83  virtual void fill(const QColor &color);
84  virtual QBitmap mask() const;
85  virtual void setMask(const QBitmap &mask);
86  virtual bool hasAlphaChannel() const;
87  virtual QPixmap transformed(const QTransform &matrix,
88  Qt::TransformationMode mode) const;
89  virtual void setAlphaChannel(const QPixmap &alphaChannel);
90  virtual QPixmap alphaChannel() const;
91  virtual QImage toImage() const;
92  virtual QPaintEngine *paintEngine() const;
93 
94  virtual QImage *buffer();
95 
96  void readBackInfo();
97 
99 
100 #if defined(Q_OS_SYMBIAN)
101  void* toNativeType(NativeType type);
102  void fromNativeType(void* pixmap, NativeType type);
103 #endif
104 
105  virtual QPixmapData *runtimeData() const;
106 
107 private:
109 
110 };
111 
113 public:
116 
117  virtual QPaintDevice *paintDevice();
118  virtual void flush(QWidget *widget, const QRegion &region,
119  const QPoint &offset);
120  virtual void setGeometry(const QRect &rect);
121 
122  virtual bool scroll(const QRegion &area, int dx, int dy);
123 
124  virtual void beginPaint(const QRegion &);
125  virtual void endPaint(const QRegion &);
126 
127  virtual QImage* buffer(const QWidget *widget);
128  virtual QPixmap grabWidget(const QWidget *widget, const QRect& rectangle = QRect()) const;
129 
130  virtual QPoint offset(const QWidget *widget) const;
131 
132  virtual WindowSurfaceFeatures features() const;
133 
136 
137 private:
139 };
140 
142 {
143 public:
144 
146  {
148  DestroyAfterFirstFlush
149  };
150 
151 public:
153 
154  QPixmapData *createPixmapData(QPixmapData::PixelType type) const;
155  QWindowSurface *createWindowSurface(QWidget *widget) const;
156 
157  void removePixmapData(QRuntimePixmapData *pixmapData) const;
158  void removeWindowSurface(QRuntimeWindowSurface *windowSurface) const;
159 
160  void setGraphicsSystem(const QString &name);
161  QString graphicsSystemName() const { return m_graphicsSystemName; }
162 
164  {
165  m_windowSurfaceDestroyPolicy = policy;
166  }
167 
168  int windowSurfaceDestroyPolicy() const { return m_windowSurfaceDestroyPolicy; }
169 
170 
171 private:
177 
179 
180  friend class QRuntimePixmapData;
181  friend class QRuntimeWindowSurface;
182  friend class QMeeGoGraphicsSystem;
183 };
184 
186 
187 #endif
virtual QPixmapData * createCompatiblePixmapData() const
Definition: qpixmapdata.cpp:96
The QColor class provides colors based on RGB, HSV or CMYK values.
Definition: qcolor.h:67
void setWindowSurfaceDestroyPolicy(WindowSurfaceDestroyPolicy policy)
virtual bool fromFile(const QString &filename, const char *format, Qt::ImageConversionFlags flags)
virtual QPixmap transformed(const QTransform &matrix, Qt::TransformationMode mode) const
int type
Definition: qmetatype.cpp:239
QScopedPointer< QWindowSurface > m_pendingWindowSurface
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QPointer< QWidget > widget
const QRuntimeGraphicsSystem * m_graphicsSystem
virtual QPixmapData * runtimeData() const
virtual void fill(const QColor &color)=0
const QRuntimeGraphicsSystem * m_graphicsSystem
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
QList< QRuntimeWindowSurface * > m_windowSurfaces
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
virtual void resize(int width, int height)=0
virtual QPaintEngine * paintEngine() const =0
The QString class provides a Unicode character string.
Definition: qstring.h:83
virtual QBitmap mask() const
virtual bool fromData(const uchar *buffer, uint len, const char *format, Qt::ImageConversionFlags flags)
virtual QPixmap alphaChannel() const
unsigned char uchar
Definition: qglobal.h:994
The QBitmap class provides monochrome (1-bit depth) pixmaps.
Definition: qbitmap.h:55
NSWindow * window
virtual QImage toImage() const =0
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
virtual void fromImage(const QImage &image, Qt::ImageConversionFlags flags)=0
const char * name
TransformationMode
Definition: qnamespace.h:1510
The QImage class provides a hardware-independent image representation that allows direct access to th...
Definition: qimage.h:87
static const char * data(const QByteArray &arr)
unsigned int uint
Definition: qglobal.h:996
virtual int metric(QPaintDevice::PaintDeviceMetric metric) const =0
The QRegion class specifies a clip region for a painter.
Definition: qregion.h:68
The QPaintEngine class provides an abstract definition of how QPainter draws to a given device on a g...
Definition: qpaintengine.h:90
The QWindowSurface class provides the drawing area for top-level windows.
virtual bool hasAlphaChannel() const =0
QList< QRuntimePixmapData * > m_pixmapDatas
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
virtual void copy(const QPixmapData *data, const QRect &rect)
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
virtual void setMask(const QBitmap &mask)
The QPixmap class is an off-screen image representation that can be used as a paint device...
Definition: qpixmap.h:71
virtual QImage * buffer()
Q_CORE_EXPORT QTextStream & flush(QTextStream &s)
virtual void setAlphaChannel(const QPixmap &alphaChannel)
QScopedPointer< QWindowSurface > m_windowSurface
virtual bool scroll(int dx, int dy, const QRect &rect)
The QTransform class specifies 2D transformations of a coordinate system.
Definition: qtransform.h:65
The QList class is a template class that provides lists.
Definition: qdatastream.h:62
static int area(const QSize &s)
Definition: qicon.cpp:155