#include <qpdf_p.h>

Inheritance diagram for QPdfEngine:

Collaboration diagram for QPdfEngine:

Public Types
enum	PdfVersion { Version_1_4 , Version_A1b , Version_1_6 }

enum class	ColorModel { RGB , Grayscale , CMYK , Auto }

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
	QPdfEngine ()

	QPdfEngine (QPdfEnginePrivate &d)

	~QPdfEngine ()

void	setOutputFilename (const QString &filename)

void	setResolution (int resolution)

int	resolution () const

void	setPdfVersion (PdfVersion version)

void	setDocumentXmpMetadata (const QByteArray &xmpMetadata)

QByteArray	documentXmpMetadata () const

void	addFileAttachment (const QString &fileName, const QByteArray &data, const QString &mimeType)

ColorModel	colorModel () const

void	setColorModel (ColorModel model)

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.

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

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.

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

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

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

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

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 &rectangle, const QPixmap &pixmap, const QPointF &point) override
	Reimplement this function to draw the pixmap in the given rect, starting at the given p.

void	drawHyperlink (const QRectF &r, const QUrl &url)

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

int	metric (QPaintDevice::PaintDeviceMetric metricType) const

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

bool	newPage ()

void	setPageLayout (const QPageLayout &pageLayout)

void	setPageSize (const QPageSize &pageSize)

void	setPageOrientation (QPageLayout::Orientation orientation)

void	setPageMargins (const QMarginsF &margins, QPageLayout::Unit units=QPageLayout::Point)

QPageLayout	pageLayout () const

void	setPen ()

void	setBrush ()

void	setupGraphicsState (QPaintEngine::DirtyFlags flags)

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.

virtual void	drawRects (const QRect *rects, int rectCount)
	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	drawLines (const QLine *lines, int lineCount)
	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	drawEllipse (const QRectF &r)
	Reimplement this function to draw the largest ellipse that can be contained within rectangle rect.

virtual void	drawEllipse (const QRect &r)
	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	drawPoints (const QPoint *points, int pointCount)
	Draws the first pointCount points in the buffer points.

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

Additional Inherited Members
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 127 of file qpdf_p.h.

Member Enumeration Documentation

◆ ColorModel

enum class QPdfEngine::ColorModel

strong

Enumerator
RGB
Grayscale
CMYK
Auto

Definition at line 157 of file qpdf_p.h.

◆ PdfVersion

enum QPdfEngine::PdfVersion

Enumerator
Version_1_4
Version_A1b
Version_1_6

Definition at line 133 of file qpdf_p.h.

Constructor & Destructor Documentation

◆ QPdfEngine() [1/2]

QPdfEngine::QPdfEngine ( )

Definition at line 761 of file qpdf.cpp.

◆ QPdfEngine() [2/2]

QPdfEngine::QPdfEngine ( QPdfEnginePrivate & d )

explicit

Definition at line 756 of file qpdf.cpp.

◆ ~QPdfEngine()

QPdfEngine::~QPdfEngine ( )

inline

Definition at line 142 of file qpdf_p.h.

Member Function Documentation

◆ addFileAttachment()

void QPdfEngine::addFileAttachment	(	const QString &	fileName,
		const QByteArray &	data,
		const QString &	mimeType )

Definition at line 1533 of file qpdf.cpp.

References d, fileName, and mimeType.

◆ begin()

bool QPdfEngine::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.

Reimplemented in QPdfPrintEngine.

Definition at line 1450 of file qpdf.cpp.

References d, file, newPage(), QFile::open(), QPaintEngine::setActive(), QPdf::ByteStream::stream(), QIODeviceBase::Truncate, and QIODeviceBase::WriteOnly.

Referenced by QPdfPrintEngine::begin().

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◆ colorModel()

ColorModel QPdfEngine::colorModel ( ) const

◆ documentXmpMetadata()

QByteArray QPdfEngine::documentXmpMetadata ( ) const

Definition at line 1349 of file qpdf.cpp.

References d.

◆ drawHyperlink()

void QPdfEngine::drawHyperlink	(	const QRectF &	r,
		const QUrl &	url )

Definition at line 1038 of file qpdf.cpp.

References QRectF::bottom(), d, j, QRectF::left(), qt_real_to_string(), QRectF::right(), QByteArray::size(), QUrl::toEncoded(), QRectF::top(), url, and Version_A1b.

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◆ drawImage()

void QPdfEngine::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.

Reimplemented from QPaintEngine.

Definition at line 944 of file qpdf.cpp.

References QImage::cacheKey(), d, QPdf::generateMatrix(), QImage::height(), QRectF::height(), QRectF::isEmpty(), QPainter::LosslessImageRendering, QPaintEngine::painter(), qRound(), setBrush(), QPainter::testRenderHint(), Version_A1b, QImage::width(), QRectF::width(), QRectF::x(), and QRectF::y().

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◆ drawLines()

void QPdfEngine::drawLines	(	const QLineF *	lines,
		int	lineCount )

overridevirtual

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.

Reimplemented from QPaintEngine.

Definition at line 791 of file qpdf.cpp.

References d, drawPath(), i, QPainterPath::moveTo(), p1, and p2.

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◆ drawPath()

void QPdfEngine::drawPath ( const QPainterPath & path )

overridevirtual

The default implementation ignores the path and does nothing.

Reimplemented from QPaintEngine.

Definition at line 873 of file qpdf.cpp.

References d, QPdf::FillAndStrokePath, QPdf::FillPath, QPdf::generatePath(), setBrush(), and QPdf::StrokePath.

Referenced by drawLines(), drawPoints(), drawPolygon(), and drawRects().

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◆ drawPixmap()

void QPdfEngine::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 QPaintEngine.

Definition at line 901 of file qpdf.cpp.

References QPixmap::cacheKey(), d, QPdf::generateMatrix(), QRectF::height(), QRectF::isEmpty(), QPainter::LosslessImageRendering, QPaintEngine::painter(), pixmap, qRound(), setBrush(), QPainter::testRenderHint(), QPixmap::toImage(), Version_A1b, QRectF::width(), QRectF::x(), and QRectF::y().

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◆ drawPoints()

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

overridevirtual

Draws the first pointCount points in the buffer points.

Reimplemented from QPaintEngine.

Definition at line 773 of file qpdf.cpp.

References d, drawPath(), i, and QPainterPath::moveTo().

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◆ drawPolygon()

void QPdfEngine::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 QPaintEngine.

Definition at line 837 of file qpdf.cpp.

References QPaintEngine::ConvexMode, d, drawPath(), i, Qt::OddEvenFill, QPaintEngine::OddEvenMode, QPaintEngine::PolylineMode, QPainterPath::setFillRule(), Qt::WindingFill, and QPaintEngine::WindingMode.

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◆ drawRects()

void QPdfEngine::drawRects	(	const QRectF *	rects,
		int	rectCount )

overridevirtual

Draws the first rectCount rectangles in the buffer rects.

The default implementation of this function calls drawPath() or drawPolygon() depending on the feature set of the paint engine.

Reimplemented from QPaintEngine.

Definition at line 808 of file qpdf.cpp.

References QPainterPath::addRect(), d, drawPath(), QPdf::generateMatrix(), QRectF::height(), i, QRectF::width(), QRectF::x(), and QRectF::y().

Referenced by drawTiledPixmap().

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◆ drawTextItem()

void QPdfEngine::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 1008 of file qpdf.cpp.

References d, QPaintEngine::drawTextItem(), QPdf::generateMatrix(), QFontEngine::Multi, Q_ASSERT, setBrush(), and QTransform::TxProject.

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◆ drawTiledPixmap()

void QPdfEngine::drawTiledPixmap	(	const QRectF &	rect,
		const QPixmap &	pixmap,
		const QPointF &	p )

overridevirtual

Reimplement this function to draw the pixmap in the given rect, starting at the given p.

The pixmap will be drawn repeatedly until the rect is filled.

Reimplemented from QPaintEngine.

Definition at line 978 of file qpdf.cpp.

References d, drawRects(), pixmap, and setBrush().

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◆ end()

bool QPdfEngine::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.

Reimplemented in QPdfPrintEngine.

Definition at line 1508 of file qpdf.cpp.

References d, qDeleteAll(), and QPaintEngine::setActive().

Referenced by QPdfPrintEngine::end().

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◆ metric()

int QPdfEngine::metric ( QPaintDevice::PaintDeviceMetric metricType ) const

Definition at line 1387 of file qpdf.cpp.

References d, QPaintDevice::devicePixelRatioFScale(), QPageLayout::Millimeter, QPaintDevice::PdmDepth, QPaintDevice::PdmDevicePixelRatio, QPaintDevice::PdmDevicePixelRatioScaled, QPaintDevice::PdmDpiX, QPaintDevice::PdmDpiY, QPaintDevice::PdmHeight, QPaintDevice::PdmHeightMM, QPaintDevice::PdmNumColors, QPaintDevice::PdmPhysicalDpiX, QPaintDevice::PdmPhysicalDpiY, QPaintDevice::PdmWidth, QPaintDevice::PdmWidthMM, qRound(), and qWarning.

Referenced by QPdfPrintEngine::metric().

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◆ newPage()

bool QPdfEngine::newPage ( )

Definition at line 1306 of file qpdf.cpp.

References d, QPaintEngine::DirtyBrush, QPaintEngine::DirtyClipPath, QPaintEngine::DirtyPen, QPaintEngine::isActive(), QFileDevice::NoError, and setupGraphicsState().

Referenced by begin(), and QPdfPrintEngine::newPage().

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◆ pageLayout()

QPageLayout QPdfEngine::pageLayout ( ) const

Definition at line 1380 of file qpdf.cpp.

References d.

Referenced by QPdfPagedPaintDevicePrivate::pageLayout(), setPageLayout(), QCupsPrintEngine::setProperty(), and QPdfPrintEngine::setProperty().

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◆ resolution()

int QPdfEngine::resolution ( ) const

Definition at line 1331 of file qpdf.cpp.

References d.

Referenced by setResolution().

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◆ setBrush()

void QPdfEngine::setBrush ( )

Definition at line 1279 of file qpdf.cpp.

References d, and Qt::NoBrush.

Referenced by drawImage(), drawPath(), drawPixmap(), drawTextItem(), drawTiledPixmap(), and setupGraphicsState().

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◆ setColorModel()

void QPdfEngine::setColorModel ( ColorModel model )

◆ setDocumentXmpMetadata()

void QPdfEngine::setDocumentXmpMetadata ( const QByteArray & xmpMetadata )

Definition at line 1343 of file qpdf.cpp.

References d.

◆ setOutputFilename()

void QPdfEngine::setOutputFilename ( const QString & filename )

Definition at line 766 of file qpdf.cpp.

References d.

◆ setPageLayout()

void QPdfEngine::setPageLayout ( const QPageLayout & pageLayout )

Definition at line 1355 of file qpdf.cpp.

References d, and pageLayout().

Referenced by QPdfPagedPaintDevicePrivate::setPageLayout().

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◆ setPageMargins()

void QPdfEngine::setPageMargins	(	const QMarginsF &	margins,
		QPageLayout::Unit	units = QPageLayout::Point )

Definition at line 1373 of file qpdf.cpp.

References d.

Referenced by QPdfPagedPaintDevicePrivate::setPageMargins().

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◆ setPageOrientation()

void QPdfEngine::setPageOrientation ( QPageLayout::Orientation orientation )

Definition at line 1367 of file qpdf.cpp.

References d.

Referenced by QPdfPagedPaintDevicePrivate::setPageOrientation().

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◆ setPageSize()

void QPdfEngine::setPageSize ( const QPageSize & pageSize )

Definition at line 1361 of file qpdf.cpp.

References d.

Referenced by QPdfPagedPaintDevicePrivate::setPageSize().

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◆ setPdfVersion()

void QPdfEngine::setPdfVersion ( PdfVersion version )

Definition at line 1337 of file qpdf.cpp.

References d.

Referenced by QPdfPrintEngine::QPdfPrintEngine().

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◆ setPen()

void QPdfEngine::setPen ( )

Definition at line 1229 of file qpdf.cpp.

References Qt::BevelJoin, d, Qt::FlatCap, QPdf::generateDashes(), Qt::MiterJoin, Qt::NoPen, Q_ASSERT, qMax(), Qt::RoundCap, Qt::RoundJoin, Qt::SolidPattern, Qt::SquareCap, and Qt::SvgMiterJoin.

Referenced by setupGraphicsState().

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◆ setResolution()

void QPdfEngine::setResolution ( int resolution )

Definition at line 1325 of file qpdf.cpp.

References d, and resolution().

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◆ setupGraphicsState()

void QPdfEngine::setupGraphicsState ( QPaintEngine::DirtyFlags flags )

Definition at line 1160 of file qpdf.cpp.

References QPdf::ClipPath, d, QPaintEngine::DirtyBrush, QPaintEngine::DirtyClipPath, QPaintEngine::DirtyPen, QPaintEngine::DirtyTransform, QPdf::generateMatrix(), QPdf::generatePath(), i, setBrush(), and setPen().

Referenced by newPage(), and updateState().

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◆ type()

QPaintEngine::Type QPdfEngine::type ( ) const

overridevirtual

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

Implements QPaintEngine.

Definition at line 1320 of file qpdf.cpp.

References QPaintEngine::Pdf.

◆ updateState()

void QPdfEngine::updateState ( const QPaintEngineState & state )

overridevirtual

Reimplement this function to update the state of a paint engine.

When implemented, this function is responsible for checking the paint engine's current state and update the properties that are changed. Use the QPaintEngineState::state() function to find out which properties that must be updated, then use the corresponding \l {GetFunction}{get function} to retrieve the current values for the given properties.

See also: QPaintEngineState

Implements QPaintEngine.

Definition at line 1073 of file qpdf.cpp.

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Friends And Related Symbol Documentation

◆ QPdfWriter

friend class QPdfWriter

friend

Definition at line 130 of file qpdf_p.h.

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

qtbase/src/gui/painting/qpdf_p.h (3c6598c359a99eaef47fdcac2cbdd4441946ef0b)
qtbase/src/gui/painting/qpdf.cpp (7f72a93e874f5e52612983ad3b764f07216bf62e)

Public Types

Public Member Functions

Friends

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ ColorModel

◆ PdfVersion

Constructor & Destructor Documentation

◆ QPdfEngine() [1/2]

◆ QPdfEngine() [2/2]

◆ ~QPdfEngine()

Member Function Documentation

◆ addFileAttachment()

◆ begin()

◆ colorModel()

◆ documentXmpMetadata()

◆ drawHyperlink()

◆ drawImage()

◆ drawLines()

◆ drawPath()

◆ drawPixmap()

◆ drawPoints()

◆ drawPolygon()

◆ drawRects()

◆ drawTextItem()

◆ drawTiledPixmap()

◆ end()

◆ metric()

◆ newPage()

◆ pageLayout()

◆ resolution()

◆ setBrush()

◆ setColorModel()

◆ setDocumentXmpMetadata()

◆ setOutputFilename()

◆ setPageLayout()

◆ setPageMargins()

◆ setPageOrientation()

◆ setPageSize()

◆ setPdfVersion()

◆ setPen()

◆ setResolution()

◆ setupGraphicsState()

◆ type()

◆ updateState()

Friends And Related Symbol Documentation

◆ QPdfWriter