#include <qopenglpaintengine_p.h>

Inheritance diagram for QOpenGL2PaintEngineEx:

Collaboration diagram for QOpenGL2PaintEngineEx:

Public Member Functions
	QOpenGL2PaintEngineEx ()
	~QOpenGL2PaintEngineEx ()
bool	begin (QPaintDevice *device) override
	Reimplement this function to initialise your paint engine when painting is to start on the paint device pdev.
void	ensureActive ()
bool	end () override
	Reimplement this function to finish painting on the current paint device.
virtual void	clipEnabledChanged () override
virtual void	penChanged () override
virtual void	brushChanged () override
virtual void	brushOriginChanged () override
virtual void	opacityChanged () override
virtual void	compositionModeChanged () override
virtual void	renderHintsChanged () override
virtual void	transformChanged () override
virtual 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.
virtual void	drawPixmapFragments (const QPainter::PixmapFragment *fragments, int fragmentCount, const QPixmap &pixmap, QPainter::PixmapFragmentHints hints) override
virtual 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.
virtual void	drawTextItem (const QPointF &p, const QTextItem &textItem) override
	This function draws the text item textItem at position p.
virtual void	fill (const QVectorPath &path, const QBrush &brush) override
virtual void	stroke (const QVectorPath &path, const QPen &pen) override
virtual void	clip (const QVectorPath &path, Qt::ClipOperation op) override
virtual void	drawStaticTextItem (QStaticTextItem *textItem) override
bool	drawTexture (const QRectF &r, GLuint textureId, const QSize &size, const QRectF &sr)
Type	type () const override
	Reimplement this function to return the paint engine \l{Type}.
virtual void	setState (QPainterState *s) override
virtual QPainterState *	createState (QPainterState *orig) const override
QOpenGL2PaintEngineState *	state ()
const QOpenGL2PaintEngineState *	state () const
void	beginNativePainting () override
void	endNativePainting () override
void	invalidateState ()
void	setRenderTextActive (bool)
bool	isNativePaintingActive () const
bool	requiresPretransformedGlyphPositions (QFontEngine *, const QTransform &) const override
bool	shouldDrawCachedGlyphs (QFontEngine *, const QTransform &) const override
Public Member Functions inherited from QPaintEngineEx
	QPaintEngineEx ()
virtual void	draw (const QVectorPath &path)
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 QBrush &brush)
virtual void	fillRect (const QRectF &rect, const QColor &color)
virtual void	drawRoundedRect (const QRectF &rect, qreal xrad, qreal yrad, Qt::SizeMode mode)
virtual 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.
virtual void	drawRects (const QRectF *rects, int rectCount) override
	Draws the first rectCount rectangles in the buffer rects.
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	drawEllipse (const QRectF &r) override
	Reimplement this function to draw the largest ellipse that can be contained within rectangle rect.
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	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 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
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	QOpenGLEngineShaderManager

Additional Inherited Members
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 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 73 of file qopenglpaintengine_p.h.

Constructor & Destructor Documentation

◆ QOpenGL2PaintEngineEx()

QOpenGL2PaintEngineEx::QOpenGL2PaintEngineEx ( )

Definition at line 1331 of file qopenglpaintengine.cpp.

◆ ~QOpenGL2PaintEngineEx()

QOpenGL2PaintEngineEx::~QOpenGL2PaintEngineEx ( )

Definition at line 1337 of file qopenglpaintengine.cpp.

Member Function Documentation

◆ begin()

bool QOpenGL2PaintEngineEx::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 2179 of file qopenglpaintengine.cpp.

◆ beginNativePainting()

void QOpenGL2PaintEngineEx::beginNativePainting ( )

overridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 665 of file qopenglpaintengine.cpp.

◆ brushChanged()

void QOpenGL2PaintEngineEx::brushChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1450 of file qopenglpaintengine.cpp.

◆ brushOriginChanged()

void QOpenGL2PaintEngineEx::brushOriginChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1452 of file qopenglpaintengine.cpp.

◆ clip()

void QOpenGL2PaintEngineEx::clip	(	const QVectorPath &	path,
		Qt::ClipOperation	op )

overridevirtual

Implements QPaintEngineEx.

Definition at line 2503 of file qopenglpaintengine.cpp.

◆ clipEnabledChanged()

void QOpenGL2PaintEngineEx::clipEnabledChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 2405 of file qopenglpaintengine.cpp.

◆ compositionModeChanged()

void QOpenGL2PaintEngineEx::compositionModeChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1469 of file qopenglpaintengine.cpp.

◆ createState()

QPainterState * QOpenGL2PaintEngineEx::createState ( QPainterState * orig ) const

overridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 2663 of file qopenglpaintengine.cpp.

◆ drawImage()

void QOpenGL2PaintEngineEx::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 1551 of file qopenglpaintengine.cpp.

◆ drawPixmap()

void QOpenGL2PaintEngineEx::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 1515 of file qopenglpaintengine.cpp.

◆ drawPixmapFragments()

QT_WARNING_POP void QOpenGL2PaintEngineEx::drawPixmapFragments	(	const QPainter::PixmapFragment *	fragments,
		int	fragmentCount,
		const QPixmap &	pixmap,
		QPainter::PixmapFragmentHints	hints )

overridevirtual

Definition at line 2077 of file qopenglpaintengine.cpp.

◆ drawStaticTextItem()

void QOpenGL2PaintEngineEx::drawStaticTextItem ( QStaticTextItem * textItem )

overridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 1609 of file qopenglpaintengine.cpp.

◆ drawTextItem()

void QOpenGL2PaintEngineEx::drawTextItem	(	const QPointF &	p,
		const QTextItem &	textItem )

overridevirtual

This function draws the text item textItem at position p.

The default implementation of this function converts the text to a QPainterPath and paints the resulting path.

Reimplemented from QPaintEngine.

Definition at line 1656 of file qopenglpaintengine.cpp.

◆ drawTexture()

bool QOpenGL2PaintEngineEx::drawTexture	(	const QRectF &	r,
		GLuint	textureId,
		const QSize &	size,
		const QRectF &	sr )

Definition at line 1636 of file qopenglpaintengine.cpp.

◆ end()

bool QOpenGL2PaintEngineEx::end ( )

overridevirtual

Reimplement this function to finish painting on the current paint device.

Return true if painting was finished successfully; otherwise return false.

See also: begin(), isActive()

Implements QPaintEngine.

Definition at line 2291 of file qopenglpaintengine.cpp.

◆ endNativePainting()

void QOpenGL2PaintEngineEx::endNativePainting ( )

overridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 755 of file qopenglpaintengine.cpp.

◆ ensureActive()

void QOpenGL2PaintEngineEx::ensureActive ( )

Definition at line 2323 of file qopenglpaintengine.cpp.

◆ fill()

void QOpenGL2PaintEngineEx::fill	(	const QVectorPath &	path,
		const QBrush &	brush )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1341 of file qopenglpaintengine.cpp.

◆ invalidateState()

void QOpenGL2PaintEngineEx::invalidateState ( )

Definition at line 762 of file qopenglpaintengine.cpp.

◆ isNativePaintingActive()

bool QOpenGL2PaintEngineEx::isNativePaintingActive ( ) const

Definition at line 768 of file qopenglpaintengine.cpp.

◆ opacityChanged()

void QOpenGL2PaintEngineEx::opacityChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1458 of file qopenglpaintengine.cpp.

◆ penChanged()

void QOpenGL2PaintEngineEx::penChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1449 of file qopenglpaintengine.cpp.

◆ renderHintsChanged()

void QOpenGL2PaintEngineEx::renderHintsChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1477 of file qopenglpaintengine.cpp.

◆ requiresPretransformedGlyphPositions()

bool QOpenGL2PaintEngineEx::requiresPretransformedGlyphPositions	(	QFontEngine *	,
		const QTransform &	) const

inlineoverridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 126 of file qopenglpaintengine_p.h.

◆ setRenderTextActive()

void QOpenGL2PaintEngineEx::setRenderTextActive ( bool )

◆ setState()

void QOpenGL2PaintEngineEx::setState ( QPainterState * s )

overridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 2620 of file qopenglpaintengine.cpp.

◆ shouldDrawCachedGlyphs()

bool QOpenGL2PaintEngineEx::shouldDrawCachedGlyphs	(	QFontEngine *	fontEngine,
		const QTransform &	t ) const

overridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 1726 of file qopenglpaintengine.cpp.

◆ state() [1/2]

QOpenGL2PaintEngineState * QOpenGL2PaintEngineEx::state ( )

inline

Definition at line 111 of file qopenglpaintengine_p.h.

◆ state() [2/2]

const QOpenGL2PaintEngineState * QOpenGL2PaintEngineEx::state ( ) const

inline

Definition at line 114 of file qopenglpaintengine_p.h.

◆ stroke()

void QOpenGL2PaintEngineEx::stroke	(	const QVectorPath &	path,
		const QPen &	pen )

overridevirtual

Reimplemented from QPaintEngineEx.

Definition at line 1355 of file qopenglpaintengine.cpp.

◆ transformChanged()

void QOpenGL2PaintEngineEx::transformChanged ( )

overridevirtual

Implements QPaintEngineEx.

Definition at line 1502 of file qopenglpaintengine.cpp.

◆ type()

Type QOpenGL2PaintEngineEx::type ( ) const

inlineoverridevirtual

Reimplement this function to return the paint engine \l{Type}.

Implements QPaintEngine.

Definition at line 107 of file qopenglpaintengine_p.h.

◆ QOpenGLEngineShaderManager

friend class QOpenGLEngineShaderManager

friend

Definition at line 132 of file qopenglpaintengine_p.h.

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

qtbase/src/opengl/qopenglpaintengine_p.h (9a1260e3f9fecf3d47cf4f3ad658becd752562f4)
qtbase/src/opengl/qopenglpaintengine.cpp (09e40152f8342644f1f002d1f0b6d31d715e7fd1)

Public Member Functions

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QOpenGL2PaintEngineEx()

◆ ~QOpenGL2PaintEngineEx()

Member Function Documentation

◆ begin()

◆ beginNativePainting()

◆ brushChanged()

◆ brushOriginChanged()

◆ clip()

◆ clipEnabledChanged()

◆ compositionModeChanged()

◆ createState()

◆ drawImage()

◆ drawPixmap()

◆ drawPixmapFragments()

◆ drawStaticTextItem()

◆ drawTextItem()

◆ drawTexture()

◆ end()

◆ endNativePainting()

◆ ensureActive()

◆ fill()

◆ invalidateState()

◆ isNativePaintingActive()

◆ opacityChanged()

◆ penChanged()

◆ renderHintsChanged()

◆ requiresPretransformedGlyphPositions()

◆ setRenderTextActive()

◆ setState()

◆ shouldDrawCachedGlyphs()

◆ state() [1/2]

◆ state() [2/2]

◆ stroke()

◆ transformChanged()

◆ type()

Friends And Related Symbol Documentation

◆ QOpenGLEngineShaderManager