#include <qpaintengine.h>

Class Description

Definition at line 90 of file qpaintengine.h.

Public Types
enum	PaintEngineFeature { PrimitiveTransform = 0x00000001, PatternTransform = 0x00000002, PixmapTransform = 0x00000004, PatternBrush = 0x00000008, LinearGradientFill = 0x00000010, RadialGradientFill = 0x00000020, ConicalGradientFill = 0x00000040, AlphaBlend = 0x00000080, PorterDuff = 0x00000100, PainterPaths = 0x00000200, Antialiasing = 0x00000400, BrushStroke = 0x00000800, ConstantOpacity = 0x00001000, MaskedBrush = 0x00002000, PerspectiveTransform = 0x00004000, BlendModes = 0x00008000, ObjectBoundingModeGradients = 0x00010000, RasterOpModes = 0x00020000, PaintOutsidePaintEvent = 0x20000000, AllFeatures = 0xffffffff }

enum	DirtyFlag { DirtyPen = 0x0001, DirtyBrush = 0x0002, DirtyBrushOrigin = 0x0004, DirtyFont = 0x0008, DirtyBackground = 0x0010, DirtyBackgroundMode = 0x0020, DirtyTransform = 0x0040, DirtyClipRegion = 0x0080, DirtyClipPath = 0x0100, DirtyHints = 0x0200, DirtyCompositionMode = 0x0400, DirtyClipEnabled = 0x0800, DirtyOpacity = 0x1000, AllDirty = 0xffff }

enum	PolygonDrawMode { OddEvenMode, WindingMode, ConvexMode, PolylineMode }

enum	Type { X11, Windows, QuickDraw, CoreGraphics, MacPrinter, QWindowSystem, PostScript, OpenGL, Picture, SVG, Raster, Direct3D, Pdf, OpenVG, OpenGL2, PaintBuffer, Blitter, User = 50, MaxUser = 100 }

Public Member Functions
	QPaintEngine (PaintEngineFeatures features=0)

virtual	~QPaintEngine ()

bool	isActive () const

void	setActive (bool newState)

virtual bool	begin (QPaintDevice *pdev)=0

virtual bool	end ()=0

virtual void	updateState (const QPaintEngineState &state)=0

virtual void	drawRects (const QRect *rects, int rectCount)

virtual void	drawRects (const QRectF *rects, int rectCount)

virtual void	drawLines (const QLine *lines, int lineCount)

virtual void	drawLines (const QLineF *lines, int lineCount)

virtual void	drawEllipse (const QRectF &r)

virtual void	drawEllipse (const QRect &r)

virtual void	drawPath (const QPainterPath &path)

virtual void	drawPoints (const QPointF *points, int pointCount)

virtual void	drawPoints (const QPoint *points, int pointCount)

virtual void	drawPolygon (const QPointF *points, int pointCount, PolygonDrawMode mode)

virtual void	drawPolygon (const QPoint *points, int pointCount, PolygonDrawMode mode)

virtual void	drawPixmap (const QRectF &r, const QPixmap &pm, const QRectF &sr)=0

virtual void	drawTextItem (const QPointF &p, const QTextItem &textItem)

virtual void	drawTiledPixmap (const QRectF &r, const QPixmap &pixmap, const QPointF &s)

virtual void	drawImage (const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags=Qt::AutoColor)

void	setPaintDevice (QPaintDevice *device)

QPaintDevice *	paintDevice () const

void	setSystemClip (const QRegion &baseClip)

QRegion	systemClip () const

void	setSystemRect (const QRect &rect)

QRect	systemRect () const

virtual QPoint	coordinateOffset () const

virtual Type	type () const =0

void	fix_neg_rect (int x, int y, int w, int h)

bool	testDirty (DirtyFlags df)

void	setDirty (DirtyFlags df)

void	clearDirty (DirtyFlags df)

bool	hasFeature (PaintEngineFeatures feature) const

QPainter *	painter () const

void	syncState ()

bool	isExtended () const

Protected Member Functions
	QPaintEngine (QPaintEnginePrivate &data, PaintEngineFeatures devcaps=0)

Protected Attributes
QPaintEngineState *	state

PaintEngineFeatures	gccaps

uint	active: 1

uint	selfDestruct: 1

uint	extended: 1

QScopedPointer< QPaintEnginePrivate >	d_ptr

Friends
class	QPainterReplayer

class	QFontEngineBox

class	QFontEngineMac

class	QFontEngineWin

class	QFontEngineQPF1

class	QFontEngineQPF

class	QPSPrintEngine

class	QMacPrintEngine

class	QMacPrintEnginePrivate

class	QPainter

class	QPainterPrivate

class	QWidget

class	QWidgetPrivate

class	QWin32PaintEngine

class	QWin32PaintEnginePrivate

class	QMacCGContext

class	QPreviewPaintEngine

class	QX11GLPixmapData

Member Enumeration Documentation

enum PaintEngineFeature

Enumerator
PrimitiveTransform
PatternTransform
PixmapTransform
PatternBrush
LinearGradientFill
RadialGradientFill
ConicalGradientFill
AlphaBlend
PorterDuff
PainterPaths
Antialiasing
BrushStroke
ConstantOpacity
MaskedBrush
PerspectiveTransform
BlendModes
ObjectBoundingModeGradients
RasterOpModes
PaintOutsidePaintEvent
AllFeatures

Definition at line 94 of file qpaintengine.h.

                             {
         PrimitiveTransform          = 0x00000001, // Can transform primitives brushes
         PatternTransform            = 0x00000002, // Can transform pattern brushes
         PixmapTransform             = 0x00000004, // Can transform pixmaps
         PatternBrush                = 0x00000008, // Can fill with pixmaps and standard patterns
         LinearGradientFill          = 0x00000010, // Can fill gradient areas
         RadialGradientFill          = 0x00000020, // Can render radial gradients
         ConicalGradientFill         = 0x00000040, // Can render conical gradients
         AlphaBlend                  = 0x00000080, // Can do source over alpha blend
         PorterDuff                  = 0x00000100, // Can do general porter duff compositions
         PainterPaths                = 0x00000200, // Can fill, outline and clip paths
         Antialiasing                = 0x00000400, // Can antialias lines
         BrushStroke                 = 0x00000800, // Can render brush based pens
         ConstantOpacity             = 0x00001000, // Can render at constant opacity
         MaskedBrush                 = 0x00002000, // Can fill with textures that has an alpha channel or mask
         PerspectiveTransform        = 0x00004000, // Can do perspective transformations
         BlendModes                  = 0x00008000, // Can do extended Porter&Duff composition
         ObjectBoundingModeGradients = 0x00010000, // Can do object bounding mode gradients
         RasterOpModes               = 0x00020000, // Can do logical raster operations
         PaintOutsidePaintEvent      = 0x20000000, // Engine is capable of painting outside paint events
         /*                          0x10000000, // Used for emulating
                                     QGradient::StretchToDevice,
                                     defined in qpainter.cpp
 
                                     0x40000000, // Used internally for emulating opaque backgrounds
         */
 
         AllFeatures               = 0xffffffff  // For convenience
     };

enum DirtyFlag

Enumerator
DirtyPen
DirtyBrush
DirtyBrushOrigin
DirtyFont
DirtyBackground
DirtyBackgroundMode
DirtyTransform
DirtyClipRegion
DirtyClipPath
DirtyHints
DirtyCompositionMode
DirtyClipEnabled
DirtyOpacity
AllDirty

Definition at line 125 of file qpaintengine.h.

                    {
         DirtyPen                = 0x0001,
         DirtyBrush              = 0x0002,
         DirtyBrushOrigin        = 0x0004,
         DirtyFont               = 0x0008,
         DirtyBackground         = 0x0010,
         DirtyBackgroundMode     = 0x0020,
         DirtyTransform          = 0x0040,
         DirtyClipRegion         = 0x0080,
         DirtyClipPath           = 0x0100,
         DirtyHints              = 0x0200,
         DirtyCompositionMode    = 0x0400,
         DirtyClipEnabled        = 0x0800,
         DirtyOpacity            = 0x1000,
 
         AllDirty                = 0xffff
     };

enum PolygonDrawMode

Enumerator
OddEvenMode
WindingMode
ConvexMode
PolylineMode

Definition at line 144 of file qpaintengine.h.

                          {
         OddEvenMode,
         WindingMode,
         ConvexMode,
         PolylineMode
     };

enum Type

Enumerator
X11
Windows
QuickDraw
CoreGraphics
MacPrinter
QWindowSystem
PostScript
OpenGL
Picture
SVG
Raster
Direct3D
Pdf
OpenVG
OpenGL2
PaintBuffer
Blitter
User
MaxUser

Definition at line 201 of file qpaintengine.h.

               {
         X11,
         Windows,
         QuickDraw, CoreGraphics, MacPrinter,
         QWindowSystem,
         PostScript,
         OpenGL,
         Picture,
         SVG,
         Raster,
         Direct3D,
         Pdf,
         OpenVG,
         OpenGL2,
         PaintBuffer,
         Blitter,
 
         User = 50,    // first user type id
         MaxUser = 100 // last user type id
     };

Constructor & Destructor Documentation

QPaintEngine ( PaintEngineFeatures features = 0 )

explicit

virtual ~QPaintEngine ( )

virtual

QPaintEngine	(	QPaintEnginePrivate &	data,
		PaintEngineFeatures	devcaps = `0`
	)

protected

Member Function Documentation

bool isActive ( ) const

inline

Definition at line 154 of file qpaintengine.h.

154 { return active; }

QPaintEngine::active

uint active

Definition: qpaintengine.h:242

void setActive ( bool newState )

inline

Definition at line 155 of file qpaintengine.h.

155 { active = newState; }

QPaintEngine::active

uint active

Definition: qpaintengine.h:242

virtual bool begin ( QPaintDevice * pdev )

pure virtual

virtual bool end ( )

pure virtual

virtual void updateState ( const QPaintEngineState & state )

pure virtual

virtual void drawRects	(	const QRect *	rects,
		int	rectCount
	)

virtual

virtual void drawRects	(	const QRectF *	rects,
		int	rectCount
	)

virtual

virtual void drawLines	(	const QLine *	lines,
		int	lineCount
	)

virtual

virtual void drawLines	(	const QLineF *	lines,
		int	lineCount
	)

virtual

virtual void drawEllipse ( const QRectF & r )

virtual

virtual void drawEllipse ( const QRect & r )

virtual

virtual void drawPath ( const QPainterPath & path )

virtual

virtual void drawPoints	(	const QPointF *	points,
		int	pointCount
	)

virtual

virtual void drawPoints	(	const QPoint *	points,
		int	pointCount
	)

virtual

virtual void drawPolygon	(	const QPointF *	points,
		int	pointCount,
		PolygonDrawMode	mode
	)

virtual

virtual void drawPolygon	(	const QPoint *	points,
		int	pointCount,
		PolygonDrawMode	mode
	)

virtual

virtual void drawPixmap	(	const QRectF &	r,
		const QPixmap &	pm,
		const QRectF &	sr
	)

pure virtual

virtual void drawTextItem	(	const QPointF &	p,
		const QTextItem &	textItem
	)

virtual

virtual void drawTiledPixmap	(	const QRectF &	r,
		const QPixmap &	pixmap,
		const QPointF &	s
	)

virtual

virtual void drawImage	(	const QRectF &	r,
		const QImage &	pm,
		const QRectF &	sr,
		Qt::ImageConversionFlags	flags = `Qt::AutoColor`
	)

virtual

void setPaintDevice ( QPaintDevice * device )

QPaintDevice* paintDevice ( ) const

void setSystemClip ( const QRegion & baseClip )

QRegion systemClip ( ) const

void setSystemRect ( const QRect & rect )

QRect systemRect ( ) const

virtual QPoint coordinateOffset ( ) const

virtual

virtual Type type ( ) const

pure virtual

void fix_neg_rect	(	int *	x,
		int *	y,
		int *	w,
		int *	h
	)

inline

Definition at line 332 of file qpaintengine.h.

 {
     if (*w < 0) {
         *w = -*w;
         *x -= *w - 1;
     }
     if (*h < 0) {
         *h = -*h;
         *y -= *h - 1;
     }
 }

bool testDirty ( DirtyFlags df )

inline

Definition at line 344 of file qpaintengine.h.

                                                  {
     Q_ASSERT(state);
     return ((state->dirtyFlags & df) != 0);
 }

void setDirty ( DirtyFlags df )

inline

Definition at line 349 of file qpaintengine.h.

                                                 {
     Q_ASSERT(state);
     state->dirtyFlags |= df;
 }

void clearDirty ( DirtyFlags df )

inline

Definition at line 354 of file qpaintengine.h.

 {
     Q_ASSERT(state);
     state->dirtyFlags &= ~static_cast<uint>(df);
 }

bool hasFeature ( PaintEngineFeatures feature ) const

inline

Definition at line 229 of file qpaintengine.h.

229 { return (gccaps & feature) != 0; }

QPaintEngine::gccaps

PaintEngineFeatures gccaps

Definition: qpaintengine.h:240

QPainter* painter ( ) const

void syncState ( )

bool isExtended ( ) const

inline

Definition at line 234 of file qpaintengine.h.

234 { return extended; }

QPaintEngine::extended

uint extended

Definition: qpaintengine.h:244

Friends And Related Function Documentation

friend class QPainterReplayer

friend

Definition at line 253 of file qpaintengine.h.

friend class QFontEngineBox

friend

Definition at line 254 of file qpaintengine.h.

friend class QFontEngineMac

friend

Definition at line 255 of file qpaintengine.h.

friend class QFontEngineWin

friend

Definition at line 256 of file qpaintengine.h.

friend class QFontEngineQPF1

friend

Definition at line 261 of file qpaintengine.h.

friend class QFontEngineQPF

friend

Definition at line 264 of file qpaintengine.h.

friend class QPSPrintEngine

friend

Definition at line 266 of file qpaintengine.h.

friend class QMacPrintEngine

friend

Definition at line 267 of file qpaintengine.h.

friend class QMacPrintEnginePrivate

friend

Definition at line 268 of file qpaintengine.h.

friend class QPainter

friend

Definition at line 277 of file qpaintengine.h.

friend class QPainterPrivate

friend

Definition at line 278 of file qpaintengine.h.

friend class QWidget

friend

Definition at line 279 of file qpaintengine.h.

friend class QWidgetPrivate

friend

Definition at line 280 of file qpaintengine.h.

friend class QWin32PaintEngine

friend

Definition at line 281 of file qpaintengine.h.

friend class QWin32PaintEnginePrivate

friend

Definition at line 282 of file qpaintengine.h.

friend class QMacCGContext

friend

Definition at line 283 of file qpaintengine.h.

friend class QPreviewPaintEngine

friend

Definition at line 284 of file qpaintengine.h.

friend class QX11GLPixmapData

friend

Definition at line 285 of file qpaintengine.h.

Member Data Documentation

QPaintEngineState* state

protected

Definition at line 239 of file qpaintengine.h.

PaintEngineFeatures gccaps

protected

Definition at line 240 of file qpaintengine.h.

uint active

protected

Definition at line 242 of file qpaintengine.h.

uint selfDestruct

protected

Definition at line 243 of file qpaintengine.h.

uint extended

protected

Definition at line 244 of file qpaintengine.h.

QScopedPointer<QPaintEnginePrivate> d_ptr

protected

Definition at line 246 of file qpaintengine.h.

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

QtGui/qpaintengine.h

QPaintEngine Class Reference

Class Description

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation