#include <qwindowsdirect2dpaintengine.h>

Inheritance diagram for QWindowsDirect2DPaintEngine:

Collaboration diagram for QWindowsDirect2DPaintEngine:

Public Types
enum	Flag { NoFlag = 0 , TranslucentTopLevelWindow = 1 , EmulateComposition = 2 }

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...

Public Member Functions
	QWindowsDirect2DPaintEngine (QWindowsDirect2DBitmap *bitmap, Flags flags)

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

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

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

void	setState (QPainterState *s) override

void	draw (const QVectorPath &path) override

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

void	fill (ID2D1Geometry *geometry, const QBrush &brush)

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

void	stroke (ID2D1Geometry *geometry, const QPen &pen)

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

void	clipEnabledChanged () override

void	penChanged () override

void	brushChanged () override

void	brushOriginChanged () override

void	opacityChanged () override

void	compositionModeChanged () override

void	renderHintsChanged () override

void	transformChanged () override

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

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.

void	drawImage (const QRectF &rectangle, const QImage &image, 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	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	drawStaticTextItem (QStaticTextItem *staticTextItem) override

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

Public Member Functions inherited from QPaintEngineEx
	QPaintEngineEx ()

virtual QPainterState *	createState (QPainterState *orig) const

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

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

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

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

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

virtual void	drawLines (const QLine *lines, int lineCount) 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 lineCount lines in lines to a QLineF and calls the floating point version of this function.

virtual void	drawLines (const QLineF *lines, int lineCount) override
	The default implementation splits the list of lines in lines into lineCount separate calls to drawPath() or drawPolygon() depending on the feature set of the paint engine.

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

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

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

virtual 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.

virtual 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.

virtual void	drawPixmap (const QPointF &pos, const QPixmap &pm)

virtual void	drawImage (const QPointF &pos, const QImage &image)

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

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

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

virtual bool	shouldDrawCachedGlyphs (QFontEngine *fontEngine, const QTransform &m) 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

virtual QPoint	coordinateOffset () 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)

Friends
class	QWindowsDirect2DPaintEngineSuspenderImpl

class	QWindowsDirect2DPaintEngineSuspenderPrivate

Additional Inherited Members
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 17 of file qwindowsdirect2dpaintengine.h.

Member Enumeration Documentation

◆ Flag

enum QWindowsDirect2DPaintEngine::Flag

Enumerator
NoFlag
TranslucentTopLevelWindow
EmulateComposition

Definition at line 23 of file qwindowsdirect2dpaintengine.h.

Constructor & Destructor Documentation

◆ QWindowsDirect2DPaintEngine()

QWindowsDirect2DPaintEngine::QWindowsDirect2DPaintEngine	(	QWindowsDirect2DBitmap *	bitmap,
		Flags	flags )

Definition at line 1030 of file qwindowsdirect2dpaintengine.cpp.

References QPaintEngine::BlendModes, QPaintEngine::gccaps, QPaintEngine::PerspectiveTransform, QPaintEngine::PorterDuff, and QPaintEngine::RasterOpModes.

Member Function Documentation

◆ begin()

bool QWindowsDirect2DPaintEngine::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 1049 of file qwindowsdirect2dpaintengine.cpp.

References QPainterPath::addRegion(), QRegion::boundingRect(), clip(), d, D2D_TAG, D2DDebugDrawInitialStateTag, QPaintDevice::height(), qtVectorPathForPath(), QPaintEngine::setActive(), SimpleSystemClip, QPaintEngine::systemClip(), to_d2d_rect_f(), and QPaintDevice::width().

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◆ brushChanged()

void QWindowsDirect2DPaintEngine::brushChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1217 of file qwindowsdirect2dpaintengine.cpp.

References d, and QPaintEngineEx::state().

Referenced by setState().

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◆ brushOriginChanged()

void QWindowsDirect2DPaintEngine::brushOriginChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1223 of file qwindowsdirect2dpaintengine.cpp.

References d, and QPaintEngineEx::state().

Referenced by setState().

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◆ clip()

void QWindowsDirect2DPaintEngine::clip	(	const QVectorPath &	path,
		Qt::ClipOperation	op )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1199 of file qwindowsdirect2dpaintengine.cpp.

References d.

Referenced by begin().

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◆ clipEnabledChanged()

void QWindowsDirect2DPaintEngine::clipEnabledChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1205 of file qwindowsdirect2dpaintengine.cpp.

References d, and QPaintEngineEx::state().

Referenced by setState().

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◆ compositionModeChanged()

void QWindowsDirect2DPaintEngine::compositionModeChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1235 of file qwindowsdirect2dpaintengine.cpp.

References d, and QPaintEngineEx::state().

Referenced by setState().

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◆ draw()

void QWindowsDirect2DPaintEngine::draw ( const QVectorPath & path )

overridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 1134 of file qwindowsdirect2dpaintengine.cpp.

References QPainterState::brush, fill(), Qt::NoBrush, Qt::NoPen, QPainterState::pen, qbrush_style(), qpen_brush(), qpen_style(), QPaintEngineEx::state(), QPaintEngineEx::stroke(), and stroke().

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◆ drawEllipse() [1/2]

void QWindowsDirect2DPaintEngine::drawEllipse ( const QRect & r )

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 of this function calls the floating point version of this function.

Reimplemented from QPaintEngineEx.

Definition at line 1376 of file qwindowsdirect2dpaintengine.cpp.

References QPen::brush(), QAbstractGraphicsShapeItem::brush(), d, D2D_TAG, D2DDebugDrawEllipseTag, QPaintEngineEx::drawEllipse(), ellipse, QAbstractGraphicsShapeItem::pen(), and to_d2d_point_2f().

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◆ drawEllipse() [2/2]

void QWindowsDirect2DPaintEngine::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 1346 of file qwindowsdirect2dpaintengine.cpp.

References QPen::brush(), QAbstractGraphicsShapeItem::brush(), d, D2D_TAG, D2DDebugDrawEllipseFTag, QPaintEngineEx::drawEllipse(), ellipse, QAbstractGraphicsShapeItem::pen(), and to_d2d_point_2f().

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◆ drawImage()

void QWindowsDirect2DPaintEngine::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 1406 of file qwindowsdirect2dpaintengine.cpp.

References D2D_TAG, D2DDebugDrawImageTag, drawPixmap(), QPixmap::fromImage(), and pixmap.

Referenced by drawPixmap(), and end().

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◆ drawPixmap()

void QWindowsDirect2DPaintEngine::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 1416 of file qwindowsdirect2dpaintengine.cpp.

References QWindowsDirect2DBitmap::bitmap(), QPlatformPixmap::BitmapType, QPixmap::copy(), d, D2D_TAG, D2DDebugDrawPixmapTag, drawImage(), EmulateComposition, QTransform::fromTranslate(), QPixmap::handle(), i, QPixmap::isNull(), QPlatformPixmap::pixelType(), qRgba(), qWarning, QVectorPath::RectangleHint, QWindowsDirect2DBitmap::resize(), QImage::setColor(), QPaintEngineEx::state(), to_d2d_rect_f(), to_d2d_rect_u(), and QPixmap::toImage().

Referenced by drawImage().

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◆ drawRects() [1/2]

void QWindowsDirect2DPaintEngine::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 1271 of file qwindowsdirect2dpaintengine.cpp.

References d, D2D_TAG, D2DDebugDrawRectsTag, QPaintEngineEx::drawRects(), i, QRect::normalized(), rect, and to_d2d_rect_f().

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