#include <qpaintengine_blitter_p.h>

Inheritance diagram for QBlitterPaintEngine:

Collaboration diagram for QBlitterPaintEngine:

Public Member Functions
	QBlitterPaintEngine (QBlittablePlatformPixmap *p)

virtual QPaintEngine::Type	type () const override
	Reimplement this function to return the paint engine \l{Type}.

virtual bool	begin (QPaintDevice *pdev) override
	Reimplement this function to initialise your paint engine when painting is to start on the paint device pdev.

virtual bool	end () override
	Reimplement this function to finish painting on the current paint device.

void	fill (const QVectorPath &path, const QBrush &brush) override

void	fillRect (const QRectF &rect, const QBrush &brush) override

void	fillRect (const QRectF &rect, const QColor &color) override

void	drawRects (const QRect *rects, int rectCount) override
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.The default implementation converts the first rectCount rectangles in the buffer rects to a QRectF and calls the floating point version of this function.

void	drawRects (const QRectF *rects, int rectCount) override
	Draws the first rectCount rectangles in the buffer rects.

void	drawPixmap (const QPointF &p, const QPixmap &pm) override

void	drawPixmap (const QRectF &r, const QPixmap &pm, const QRectF &sr) override
	Reimplement this function to draw the part of the pm specified by the sr rectangle in the given r.

void	setState (QPainterState *s) override

virtual void	clipEnabledChanged () override

virtual void	penChanged () override

virtual void	brushChanged () override

virtual void	opacityChanged () override

virtual void	compositionModeChanged () override

virtual void	renderHintsChanged () override

virtual void	transformChanged () override

void	drawPolygon (const QPointF *points, int pointCount, PolygonDrawMode mode) override
	Reimplement this virtual function to draw the polygon defined by the pointCount first points in points, using mode mode.

void	drawPolygon (const QPoint *points, int pointCount, PolygonDrawMode mode) override
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Reimplement this virtual function to draw the polygon defined by the pointCount first points in points, using mode mode.

void	fillPath (const QPainterPath &path, QSpanData *fillData) override

void	fillPolygon (const QPointF *points, int pointCount, PolygonDrawMode mode) override

void	drawEllipse (const QRectF &rect) override
	Reimplement this function to draw the largest ellipse that can be contained within rectangle rect.

void	drawImage (const QPointF &p, const QImage &img) override

void	drawImage (const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags=Qt::AutoColor) override
	Reimplement this function to draw the part of the image specified by the sr rectangle in the given rectangle using the given conversion flags flags, to convert it to a pixmap.

void	drawTiledPixmap (const QRectF &r, const QPixmap &pm, const QPointF &sr) override
	Reimplement this function to draw the pixmap in the given rect, starting at the given p.

void	drawTextItem (const QPointF &p, const QTextItem &textItem) override
	This function draws the text item textItem at position p.

void	drawPoints (const QPointF *points, int pointCount) override
	Draws the first pointCount points in the buffer points.

void	drawPoints (const QPoint *points, int pointCount) override
	Draws the first pointCount points in the buffer points.

void	stroke (const QVectorPath &path, const QPen &pen) override

void	drawStaticTextItem (QStaticTextItem *) override

bool	drawCachedGlyphs (int numGlyphs, const glyph_t glyphs, const QFixedPoint positions, QFontEngine *fontEngine) override

Public Member Functions inherited from QRasterPaintEngine
	QRasterPaintEngine (QPaintDevice *device)

	~QRasterPaintEngine ()
	Destroys this paint engine.

bool	begin (QPaintDevice *device) override
	\reimp

bool	end () override
	\reimp

void	penChanged () override

void	brushChanged () override

void	brushOriginChanged () override

void	opacityChanged () override

void	compositionModeChanged () override

void	renderHintsChanged () override

void	transformChanged () override

void	clipEnabledChanged () override

void	setState (QPainterState *s) override

QPainterState *	createState (QPainterState *orig) const override

QRasterPaintEngineState *	state ()

const QRasterPaintEngineState *	state () const

void	updateBrush (const QBrush &brush)

void	updatePen (const QPen &pen)

void	updateMatrix (const QTransform &matrix)

void	drawPolygon (const QPointF *points, int pointCount, PolygonDrawMode mode) override
	\reimp

void	drawPolygon (const QPoint *points, int pointCount, PolygonDrawMode mode) override
	\reimp

void	drawEllipse (const QRectF &rect) override
	\reimp

void	fillRect (const QRectF &rect, const QBrush &brush) override
	\reimp

void	fillRect (const QRectF &rect, const QColor &color) override
	\reimp

void	drawRects (const QRect *rects, int rectCount) override
	\reimp

void	drawRects (const QRectF *rects, int rectCount) override
	\reimp

void	drawPixmap (const QPointF &p, const QPixmap &pm) override

void	drawPixmap (const QRectF &r, const QPixmap &pm, const QRectF &sr) override
	\reimp

void	drawImage (const QPointF &p, const QImage &img) override

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

void	drawTiledPixmap (const QRectF &r, const QPixmap &pm, const QPointF &sr) override
	\reimp

void	drawTextItem (const QPointF &p, const QTextItem &textItem) override
	\reimp

void	drawLines (const QLine *line, int lineCount) override
	\reimp

void	drawLines (const QLineF *line, int lineCount) override
	\reimp

void	drawPoints (const QPointF *points, int pointCount) override
	\reimp

void	drawPoints (const QPoint *points, int pointCount) override
	Draws the first pointCount points in the buffer points.

void	stroke (const QVectorPath &path, const QPen &pen) override

void	fill (const QVectorPath &path, const QBrush &brush) override

void	clip (const QVectorPath &path, Qt::ClipOperation op) override

void	clip (const QRect &rect, Qt::ClipOperation op) override

void	clip (const QRegion &region, Qt::ClipOperation op) override

const QClipData *	clipData () const

void	drawStaticTextItem (QStaticTextItem *textItem) override
	\reimp

ClipType	clipType () const

QRectF	clipBoundingRect () const

QRasterBuffer *	rasterBuffer ()

void	alphaPenBlt (const void *src, int bpl, int depth, int rx, int ry, int w, int h, bool useGammaCorrection)

Type	type () const override
	Reimplement this function to return the paint engine \l{Type}.

QPoint	coordinateOffset () const override

bool	requiresPretransformedGlyphPositions (QFontEngine *fontEngine, const QTransform &m) const override

bool	shouldDrawCachedGlyphs (QFontEngine *fontEngine, const QTransform &m) const override
	Returns whether glyph caching is supported by the font engine fontEngine with the given transform m applied.

Public Member Functions inherited from QPaintEngineEx
	QPaintEngineEx ()

virtual void	draw (const QVectorPath &path)

virtual void	clip (const QPainterPath &path, Qt::ClipOperation op)

virtual void	drawRoundedRect (const QRectF &rect, qreal xrad, qreal yrad, Qt::SizeMode mode)

virtual void	drawEllipse (const QRect &r) override
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.The default implementation of this function calls the floating point version of this function.

virtual void	drawPath (const QPainterPath &path) override
	The default implementation ignores the path and does nothing.

virtual void	drawPixmapFragments (const QPainter::PixmapFragment *fragments, int fragmentCount, const QPixmap &pixmap, QFlags< QPainter::PixmapFragmentHint > hints)

virtual void	updateState (const QPaintEngineState &state) override
	Reimplement this function to update the state of a paint engine.

QPainterState *	state ()

const QPainterState *	state () const

virtual void	sync ()

virtual void	beginNativePainting ()

virtual void	endNativePainting ()

virtual uint	flags () const

Public Member Functions inherited from QPaintEngine
	QPaintEngine (PaintEngineFeatures features=PaintEngineFeatures())
	Creates a paint engine with the featureset specified by caps.

virtual	~QPaintEngine ()
	Destroys the paint engine.

bool	isActive () const
	Returns `true` if the paint engine is actively drawing; otherwise returns `false`.

void	setActive (bool newState)
	Sets the active state of the paint engine to state.

void	setPaintDevice (QPaintDevice *device)

QPaintDevice *	paintDevice () const
	Returns the device that this engine is painting on, if painting is active; otherwise returns \nullptr.

void	setSystemClip (const QRegion &baseClip)

QRegion	systemClip () const

void	setSystemRect (const QRect &rect)

QRect	systemRect () const

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
	Returns `true` if the paint engine supports the specified feature; otherwise returns `false`.

QPainter *	painter () const
	Returns the paint engine's painter.

void	syncState ()

bool	isExtended () const

virtual QPixmap	createPixmap (QSize size)

virtual QPixmap	createPixmapFromImage (QImage image, Qt::ImageConversionFlags flags=Qt::AutoColor)

Additional Inherited Members
Public Types inherited from QRasterPaintEngine
enum	ClipType { RectClip , ComplexClip }

Public Types inherited from QPaintEngineEx
enum	Flags { DoNotEmulate = 0x01 , IsEmulationEngine = 0x02 }

Public Types inherited from QPaintEngine
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 }
	This enum is used to describe the features or capabilities that the paint engine has. More...

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 }
	\value DirtyPen The pen is dirty and needs to be updated. More...

enum	PolygonDrawMode { OddEvenMode , WindingMode , ConvexMode , PolylineMode }
	\value OddEvenMode The polygon should be drawn using OddEven fill rule. More...

enum	Type { X11 , Windows , QuickDraw , CoreGraphics , MacPrinter , QWindowSystem , OpenGL , Picture , SVG , Raster , Direct3D , Pdf , OpenVG , OpenGL2 , PaintBuffer , Blitter , Direct2D , User = 50 , MaxUser = 100 }
	\value X11 \value Windows \value MacPrinter \value CoreGraphics \macos's Quartz2D (CoreGraphics) \value QuickDraw \macos's QuickDraw \value QWindowSystem Qt for Embedded Linux \value OpenGL \value Picture QPicture format \value SVG Scalable Vector Graphics XML format \value Raster \value Direct3D Windows only, Direct3D based engine \value Pdf Portable Document Format \value OpenVG \value User First user type ID \value MaxUser Last user type ID \value OpenGL2 \value PaintBuffer \value Blitter \value Direct2D Windows only, Direct2D based engine More...

Protected Member Functions inherited from QRasterPaintEngine
	QRasterPaintEngine (QRasterPaintEnginePrivate &d, QPaintDevice *)

Protected Member Functions inherited from QPaintEngineEx
	QPaintEngineEx (QPaintEngineExPrivate &data)

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

Protected Attributes inherited from QPaintEngine
QPaintEngineState *	state

PaintEngineFeatures	gccaps

uint	active: 1

uint	selfDestruct: 1

uint	extended: 1

QScopedPointer< QPaintEnginePrivate >	d_ptr

Detailed Description

Definition at line 28 of file qpaintengine_blitter_p.h.

Constructor & Destructor Documentation

◆ QBlitterPaintEngine()

QBlitterPaintEngine::QBlitterPaintEngine ( QBlittablePlatformPixmap * p )

Definition at line 409 of file qpaintengine_blitter.cpp.

Member Function Documentation

◆ begin()

bool QBlitterPaintEngine::begin ( QPaintDevice * pdev )

overridevirtual

Reimplement this function to initialise your paint engine when painting is to start on the paint device pdev.

Return true if the initialization was successful; otherwise return false.

See also: end(), isActive()

Implements QPaintEngine.

Definition at line 469 of file qpaintengine_blitter.cpp.

References QRasterPaintEngine::begin(), d, and ok.

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◆ brushChanged()

void QBlitterPaintEngine::brushChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 422 of file qpaintengine_blitter.cpp.

References QRasterPaintEngine::brushChanged(), d, and QRasterPaintEngine::state().

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◆ clipEnabledChanged()

void QBlitterPaintEngine::clipEnabledChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 462 of file qpaintengine_blitter.cpp.

References QRasterPaintEngine::clipEnabledChanged(), d, and QRasterPaintEngine::state().

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◆ compositionModeChanged()

void QBlitterPaintEngine::compositionModeChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 438 of file qpaintengine_blitter.cpp.

References QRasterPaintEngine::compositionModeChanged(), d, and QRasterPaintEngine::state().

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◆ drawCachedGlyphs()

bool QBlitterPaintEngine::drawCachedGlyphs	(	int	numGlyphs,
		const glyph_t *	glyphs,
		const QFixedPoint *	positions,
		QFontEngine *	fontEngine )

overridevirtual

Reimplemented from QRasterPaintEngine.

Definition at line 771 of file qpaintengine_blitter.cpp.

References QRasterPaintEngine::clipData(), d, QRasterPaintEngine::drawCachedGlyphs(), QFontEngine::Format_None, QFontEngine::glyphFormat, QClipData::hasRectClip, positions, and QRasterPaintEngine::state().

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◆ drawEllipse()

void QBlitterPaintEngine::drawEllipse ( const QRectF & rect )

overridevirtual

Reimplement this function to draw the largest ellipse that can be contained within rectangle rect.

The default implementation calls drawPolygon().

Reimplemented from QPaintEngineEx.

Definition at line 697 of file qpaintengine_blitter.cpp.

References d, and QRasterPaintEngine::drawEllipse().

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◆ drawImage() [1/2]

void QBlitterPaintEngine::drawImage	(	const QPointF &	p,
		const QImage &	img )

overridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 705 of file qpaintengine_blitter.cpp.

References drawImage(), and pos.

Referenced by drawImage().

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◆ drawImage() [2/2]

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

overridevirtual

Reimplement this function to draw the part of the image specified by the sr rectangle in the given rectangle using the given conversion flags flags, to convert it to a pixmap.

Implements QPaintEngineEx.

Definition at line 710 of file qpaintengine_blitter.cpp.

References d, and QRasterPaintEngine::drawImage().

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◆ drawPixmap() [1/2]

void QBlitterPaintEngine::drawPixmap	(	const QPointF &	p,
		const QPixmap &	pm )

overridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 628 of file qpaintengine_blitter.cpp.

References drawPixmap(), pos, QPixmap::rect(), and QPixmap::size().

Referenced by drawPixmap().

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◆ drawPixmap() [2/2]

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

overridevirtual

Reimplement this function to draw the part of the pm specified by the sr rectangle in the given r.

Implements QPaintEngineEx.

Definition at line 633 of file qpaintengine_blitter.cpp.

References QRasterPaintEngine::clipData(), QClipData::clipRect, QClipData::clipRegion, d, deviceRect, QRasterPaintEngine::drawPixmap(), QClipData::hasRectClip, QClipData::hasRegionClip, QTransform::mapRect(), QPainterState::matrix, QPaintEngine::paintDevice(), rect, and QRasterPaintEngine::state().

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◆ drawPoints() [1/2]

void QBlitterPaintEngine::drawPoints	(	const QPoint *	points,
		int	pointCount )

overridevirtual

Draws the first pointCount points in the buffer points.

The default implementation converts the first pointCount QPoints in points to QPointFs and calls the floating point version of drawPoints.

Reimplemented from QPaintEngineEx.

Definition at line 743 of file qpaintengine_blitter.cpp.

References d, and QRasterPaintEngine::drawPoints().

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◆ drawPoints() [2/2]

void QBlitterPaintEngine::drawPoints	(	const QPointF *	points,
		int	pointCount )

overridevirtual

Draws the first pointCount points in the buffer points.

Reimplemented from QPaintEngineEx.

Definition at line 735 of file qpaintengine_blitter.cpp.

References d, and QRasterPaintEngine::drawPoints().

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◆ drawPolygon() [1/2]

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

overridevirtual

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Reimplement this virtual function to draw the polygon defined by the pointCount first points in points, using mode mode.

Note: At least one of the drawPolygon() functions must be reimplemented.

Reimplemented from QPaintEngineEx.

Definition at line 673 of file qpaintengine_blitter.cpp.

References d, and QRasterPaintEngine::drawPolygon().

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◆ drawPolygon() [2/2]

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

overridevirtual

Reimplement this virtual function to draw the polygon defined by the pointCount first points in points, using mode mode.

Note: At least one of the drawPolygon() functions must be reimplemented.

Reimplemented from QPaintEngineEx.

Definition at line 665 of file qpaintengine_blitter.cpp.

References d, and QRasterPaintEngine::drawPolygon().

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◆ drawRects() [1/2]

void QBlitterPaintEngine::drawRects	(	const QRect *	rects,
		int	rectCount )

overridevirtual

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.The default implementation converts the first rectCount rectangles in the buffer rects to a QRectF and calls the floating point version of this function.

Reimplemented from QPaintEngineEx.

Definition at line 604 of file qpaintengine_blitter.cpp.

References d, QRasterPaintEngine::drawRects(), i, qbrush_color(), and QRasterPaintEngine::state().

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