QPaintDevice Class Reference

#include <qpaintdevice.h>

Class Description

Definition at line 60 of file qpaintdevice.h.

Inheritance diagram for QPaintDevice:

Public Types
enum	PaintDeviceMetric {   PdmWidth = 1, PdmHeight, PdmWidthMM, PdmHeightMM,   PdmNumColors, PdmDepth, PdmDpiX, PdmDpiY,   PdmPhysicalDpiX, PdmPhysicalDpiY }

Public Member Functions
virtual	~QPaintDevice ()
virtual int	devType () const
bool	paintingActive () const
virtual QPaintEngine *	paintEngine () const =0
int	width () const
int	height () const
int	widthMM () const
int	heightMM () const
int	logicalDpiX () const
int	logicalDpiY () const
int	physicalDpiX () const
int	physicalDpiY () const
int	colorCount () const
int	depth () const

Protected Member Functions
	QPaintDevice ()
virtual int	metric (PaintDeviceMetric metric) const

Protected Attributes
ushort	painters

Friends
class	QPainter
class	QFontEngineMac
class	QX11PaintEngine
Q_GUI_EXPORT int	qt_paint_device_metric (const QPaintDevice *device, PaintDeviceMetric metric)

Member Enumeration Documentation

enum PaintDeviceMetric

Enumerator
PdmWidth
PdmHeight
PdmWidthMM
PdmHeightMM
PdmNumColors
PdmDepth
PdmDpiX
PdmDpiY
PdmPhysicalDpiX
PdmPhysicalDpiY

Definition at line 63 of file qpaintdevice.h.

                           {
        PdmWidth = 1,
        PdmHeight,
        PdmWidthMM,
        PdmHeightMM,
        PdmNumColors,
        PdmDepth,
        PdmDpiX,
        PdmDpiY,
        PdmPhysicalDpiX,
        PdmPhysicalDpiY
    };

Constructor & Destructor Documentation

virtual ~QPaintDevice ( )

virtual

QPaintDevice ( )

protected

Member Function Documentation

int devType ( ) const

inlinevirtual

Reimplemented in QWidget, QImage, QGLFramebufferObject, QGLPixelBuffer, QPixmap, QPrinter, and QPicture.

Definition at line 167 of file qpaintdevice.h.

{ return QInternal::UnknownDevice; }

bool paintingActive ( ) const

inline

Definition at line 170 of file qpaintdevice.h.

{ return painters != 0; }

virtual QPaintEngine* paintEngine ( ) const

pure virtual

Implemented in QWidget, QGLWidget, QImage, QPrinter, QPixmap, QGLFramebufferObject, QPicture, QSvgGenerator, and QGLPixelBuffer.

int width ( ) const

inline

Definition at line 91 of file qpaintdevice.h.

{ return metric(PdmWidth); }

int height ( ) const

inline

Definition at line 92 of file qpaintdevice.h.

{ return metric(PdmHeight); }

int widthMM ( ) const

inline

Definition at line 93 of file qpaintdevice.h.

{ return metric(PdmWidthMM); }

int heightMM ( ) const

inline

Definition at line 94 of file qpaintdevice.h.

{ return metric(PdmHeightMM); }

int logicalDpiX ( ) const

inline

Definition at line 95 of file qpaintdevice.h.

{ return metric(PdmDpiX); }

int logicalDpiY ( ) const

inline

Definition at line 96 of file qpaintdevice.h.

{ return metric(PdmDpiY); }

int physicalDpiX ( ) const

inline

Definition at line 97 of file qpaintdevice.h.

{ return metric(PdmPhysicalDpiX); }

int physicalDpiY ( ) const

inline

Definition at line 98 of file qpaintdevice.h.

{ return metric(PdmPhysicalDpiY); }

int colorCount ( ) const

inline

Definition at line 102 of file qpaintdevice.h.

{ return metric(PdmNumColors); }

int depth ( ) const

inline

Definition at line 103 of file qpaintdevice.h.

{ return metric(PdmDepth); }

virtual int metric ( PaintDeviceMetric  metric ) const

protectedvirtual

Reimplemented in QWidget, QImage, QPrinter, QPixmap, QGLFramebufferObject, QPicture, QGLPixelBuffer, and QSvgGenerator.

Friends And Related Function Documentation

friend class QPainter

friend

Definition at line 140 of file qpaintdevice.h.

friend class QFontEngineMac

friend

Definition at line 141 of file qpaintdevice.h.

friend class QX11PaintEngine

friend

Definition at line 142 of file qpaintdevice.h.

Q_GUI_EXPORT int qt_paint_device_metric ( const QPaintDevice *  device, PaintDeviceMetric  metric  )

friend

Member Data Documentation

ushort painters

protected

Definition at line 109 of file qpaintdevice.h.

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The documentation for this class was generated from the following file:

• QtGui/qpaintdevice.h