#include <qprintengine_pdf_p.h>

Inheritance diagram for QPdfEngine:

Public Functions
bool	abort ()
	Instructs the print engine to abort the printing process. More...

QString	author () const

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

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

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

void	drawTiledPixmap (const QRectF &rectangle, const QPixmap &pixmap, const QPointF &point)
	Reimplement this function to draw the pixmap in the given rect, starting at the given p. More...

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

bool	newPage ()
	Instructs the print engine to start a new page. More...

QPrinter::PrinterState	printerState () const
	Returns the current state of the printer being used by the print engine. More...

	QPdfEngine (QPrinter::PrinterMode m)

void	setAuthor (const QString &author)

void	setBrush ()

void	setDevice (QIODevice *dev)

Type	type () const
	Reimplement this function to return the paint engine Type. More...

virtual	~QPdfEngine ()

Public Functions inherited from QPdfBaseEngine
void	drawLines (const QLineF *lines, int lineCount)
	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. More...

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

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

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

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

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

int	metric (QPaintDevice::PaintDeviceMetric metricType) const
	Returns the metric for the given id. More...

QVariant	property (PrintEnginePropertyKey key) const
	Returns the print engine's property specified by key. More...

	QPdfBaseEngine (QPdfBaseEnginePrivate &d, PaintEngineFeatures f)

void	setPen ()

void	setProperty (PrintEnginePropertyKey key, const QVariant &value)
	Sets the print engine's property specified by key to the given value. More...

void	setupGraphicsState (QPaintEngine::DirtyFlags flags)

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

	~QPdfBaseEngine ()

Public Functions inherited from QAlphaPaintEngine
virtual void	drawImage (const QRectF &r, const QImage &image, const QRectF &sr)

	~QAlphaPaintEngine ()

Public Functions inherited from QPaintEngine
void	clearDirty (DirtyFlags df)

virtual QPoint	coordinateOffset () const
	Returns the offset from the painters origo to the engines origo. More...

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

virtual void	drawEllipse (const QRect &r)
	The default implementation of this function calls the floating point version of this function. More...

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

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

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

virtual void	drawRects (const QRect *rects, int rectCount)
	The default implementation converts the first rectCount rectangles in the buffer rects to a QRectF and calls the floating point version of this function. More...

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

virtual HDC	getDC () const
	Empty default implementation. More...

bool	hasFeature (PaintEngineFeatures feature) const
	Returns true if the paint engine supports the specified feature; otherwise returns false. More...

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

bool	isExtended () const
	Returns true if the paint engine is a QPaintEngineEx derivative. More...

QPaintDevice *	paintDevice () const
	Returns the device that this engine is painting on, if painting is active; otherwise returns 0. More...

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

	QPaintEngine (PaintEngineFeatures features=0)
	Creates a paint engine with the featureset specified by caps. More...

virtual void	releaseDC (HDC hdc) const
	Empty default implementation. More...

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

void	setDirty (DirtyFlags df)

void	setPaintDevice (QPaintDevice *device)

void	setSystemClip (const QRegion &baseClip)
	Sets the system clip for this engine. More...

void	setSystemRect (const QRect &rect)
	Sets the target rect for drawing within the backing store. More...

void	syncState ()
	Updates all dirty states in this engine. More...

QRegion	systemClip () const
	Returns the system clip. More...

QRect	systemRect () const
	Retrieves the rect for drawing within the backing store. More...

bool	testDirty (DirtyFlags df)

virtual	~QPaintEngine ()
	Destroys the paint engine. More...

Public Functions inherited from QPrintEngine
virtual HDC	getPrinterDC () const

virtual void	releasePrinterDC (HDC) const

virtual	~QPrintEngine ()
	Destroys the print engine. More...

Properties
QPrinter::PrinterState	state

Additional Inherited Members
Public Types inherited from QPaintEngine
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 }
	QPaintEngine::updateState(). More...

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	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 Types inherited from QPrintEngine
enum	PrintEnginePropertyKey { PPK_CollateCopies, PPK_ColorMode, PPK_Creator, PPK_DocumentName, PPK_FullPage, PPK_NumberOfCopies, PPK_Orientation, PPK_OutputFileName, PPK_PageOrder, PPK_PageRect, PPK_PageSize, PPK_PaperRect, PPK_PaperSource, PPK_PrinterName, PPK_PrinterProgram, PPK_Resolution, PPK_SelectionOption, PPK_SupportedResolutions, PPK_WindowsPageSize, PPK_FontEmbedding, PPK_SuppressSystemPrintStatus, PPK_Duplex, PPK_PaperSources, PPK_CustomPaperSize, PPK_PageMargins, PPK_CopyCount, PPK_SupportsMultipleCopies, PPK_PaperSize = PPK_PageSize, PPK_CustomBase = 0xff00 }
	This enum is used to communicate properties between the print engine and QPrinter. More...

Protected Functions inherited from QAlphaPaintEngine
QRegion	alphaClipping () const

void	cleanUp ()

bool	continueCall () const

void	flushAndInit (bool init=true)

	QAlphaPaintEngine (QAlphaPaintEnginePrivate &data, PaintEngineFeatures devcaps=0)

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

Protected Variables inherited from QPaintEngine
uint	active: 1

QScopedPointer< QPaintEnginePrivate >	d_ptr

uint	extended: 1

PaintEngineFeatures	gccaps

uint	selfDestruct: 1

QPaintEngineState *	state

Detailed Description

Definition at line 85 of file qprintengine_pdf_p.h.

Constructors and Destructors

◆ QPdfEngine()

QPdfEngine::QPdfEngine ( QPrinter::PrinterMode m )

Definition at line 112 of file qprintengine_pdf.cpp.

     : QPdfBaseEngine(*new QPdfEnginePrivate(m), qt_pdf_decide_features())
 {
     state = QPrinter::Idle;
 }

◆ ~QPdfEngine()

QPdfEngine::~QPdfEngine ( )

virtual

Definition at line 118 of file qprintengine_pdf.cpp.

119 {

120 }

Functions

◆ abort()

bool QPdfEngine::abort ( )

inlinevirtual

Instructs the print engine to abort the printing process.

Returns true if successful; otherwise returns false.

Implements QPrintEngine.

Definition at line 104 of file qprintengine_pdf_p.h.

104 {return false;}

◆ author()

QString QPdfEngine::author ( ) const

Referenced by printerState().

◆ begin()

bool QPdfEngine::begin ( QPaintDevice * pdev )

virtual

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()

Reimplemented from QPdfBaseEngine.

Definition at line 122 of file qprintengine_pdf.cpp.

 {
     Q_D(QPdfEngine);
 
     if(!QPdfBaseEngine::begin(pdev)) {
         state = QPrinter::Error;
         return false;
     }
     d->stream->setDevice(d->outDevice);
 
     d->streampos = 0;
     d->hasPen = true;
     d->hasBrush = false;
     d->clipEnabled = false;
     d->allClipped = false;
 
     d->xrefPositions.clear();
     d->pageRoot = 0;
     d->catalog = 0;
     d->info = 0;
     d->graphicsState = 0;
     d->patternColorSpace = 0;
 
     d->pages.clear();
     d->imageCache.clear();
     d->alphaCache.clear();
     setActive(true);
     state = QPrinter::Active;
     d->writeHeader();
     newPage();
 
     return true;
 }

◆ drawImage()

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

virtual

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 200 of file qprintengine_pdf.cpp.

 {
     if (sr.isEmpty() || rectangle.isEmpty() || image.isNull())
         return;
     Q_D(QPdfEngine);
 
     QRect sourceRect = sr.toRect();
     QImage im = sourceRect != image.rect() ? image.copy(sourceRect) : image;
     bool bitmap = true;
     const int object = d->addImage(im, &bitmap, im.cacheKey());
     if (object < 0)
         return;
 
     *d->currentPage << "q\n/GSa gs\n";
     *d->currentPage
         << QPdf::generateMatrix(QTransform(rectangle.width() / sr.width(), 0, 0, rectangle.height() / sr.height(),
                                            rectangle.x(), rectangle.y()) * (d->simplePen ? QTransform() : d->stroker.matrix));
     setBrush();
     d->currentPage->streamImage(im.width(), im.height(), object);
     *d->currentPage << "Q\n";
 }

◆ drawPixmap()

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

virtual

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

Reimplemented from QAlphaPaintEngine.

Definition at line 169 of file qprintengine_pdf.cpp.

 {
     if (sr.isEmpty() || rectangle.isEmpty() || pixmap.isNull())
         return;
     Q_D(QPdfEngine);
 
     QBrush b = d->brush;
 
     QRect sourceRect = sr.toRect();
     QPixmap pm = sourceRect != pixmap.rect() ? pixmap.copy(sourceRect) : pixmap;
     QImage image = pm.toImage();
     bool bitmap = true;
     const int object = d->addImage(image, &bitmap, pm.cacheKey());
     if (object < 0)
         return;
 
     *d->currentPage << "q\n/GSa gs\n";
     *d->currentPage
         << QPdf::generateMatrix(QTransform(rectangle.width() / sr.width(), 0, 0, rectangle.height() / sr.height(),
                                            rectangle.x(), rectangle.y()) * (d->simplePen ? QTransform() : d->stroker.matrix));
     if (bitmap) {
         // set current pen as d->brush
         d->brush = d->pen.brush();
     }
     setBrush();
     d->currentPage->streamImage(image.width(), image.height(), object);
     *d->currentPage << "Q\n";
 
     d->brush = b;
 }

◆ drawTiledPixmap()

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

virtual

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 QAlphaPaintEngine.

Definition at line 222 of file qprintengine_pdf.cpp.

 {
     Q_D(QPdfEngine);
 
     bool bitmap = (pixmap.depth() == 1);
     QBrush b = d->brush;
     QPointF bo = d->brushOrigin;
     bool hp = d->hasPen;
     d->hasPen = false;
     bool hb = d->hasBrush;
     d->hasBrush = true;
 
     d->brush = QBrush(pixmap);
     if (bitmap)
         // #### fix bitmap case where we have a brush pen
         d->brush.setColor(d->pen.color());
 
     d->brushOrigin = -point;
     *d->currentPage << "q\n";
     setBrush();
 
     drawRects(&rectangle, 1);
     *d->currentPage << "Q\n";
 
     d->hasPen = hp;
     d->hasBrush = hb;
     d->brush = b;
     d->brushOrigin = bo;
 }

◆ end()

bool QPdfEngine::end ( )

virtual

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()

Reimplemented from QPdfBaseEngine.

Definition at line 156 of file qprintengine_pdf.cpp.

 {
     Q_D(QPdfEngine);
     d->writeTail();
 
     d->stream->unsetDevice();
     QPdfBaseEngine::end();
     setActive(false);
     state = QPrinter::Idle;
     return true;
 }

◆ newPage()

bool QPdfEngine::newPage ( )

virtual

Instructs the print engine to start a new page.

Returns true if the printer was able to create the new page; otherwise returns false.

Reimplemented from QPdfBaseEngine.

Definition at line 291 of file qprintengine_pdf.cpp.

Referenced by abort(), and begin().

 {
     Q_D(QPdfEngine);
     if (!isActive())
         return false;
     d->newPage();
     return QPdfBaseEngine::newPage();
 }

◆ printerState()

QPrinter::PrinterState QPdfEngine::printerState ( ) const

inlinevirtual

Returns the current state of the printer being used by the print engine.

Implements QPrintEngine.

Definition at line 106 of file qprintengine_pdf_p.h.

106 {return state;}

QPdfEngine::state

QPrinter::PrinterState state

Definition: qprintengine_pdf_p.h:120

◆ setAuthor()

void QPdfEngine::setAuthor ( const QString & author )

Referenced by printerState().

◆ setBrush()

void QPdfEngine::setBrush ( )

virtual

Implements QPdfBaseEngine.

Definition at line 253 of file qprintengine_pdf.cpp.

Referenced by drawImage(), drawPixmap(), drawTiledPixmap(), and printerState().

 {
     Q_D(QPdfEngine);
     Qt::BrushStyle style = d->brush.style();
     if (style == Qt::NoBrush)
         return;
 
     bool specifyColor;
     int gStateObject = 0;
     int patternObject = d->addBrushPattern(d->stroker.matrix, &specifyColor, &gStateObject);
 
     *d->currentPage << (patternObject ? "/PCSp cs " : "/CSp cs ");
     if (specifyColor) {
         QColor rgba = d->brush.color();
         if (d->colorMode == QPrinter::GrayScale) {
             qreal gray = qGray(rgba.rgba())/255.;
             *d->currentPage << gray << gray << gray;
         } else {
             *d->currentPage << rgba.redF()
                             << rgba.greenF()
                             << rgba.blueF();
         }
     }
     if (patternObject)
         *d->currentPage << "/Pat" << patternObject;
     *d->currentPage << "scn\n";
 
     if (gStateObject)
         *d->currentPage << "/GState" << gStateObject << "gs\n";
     else
         *d->currentPage << "/GSa gs\n";
 }

◆ setDevice()

void QPdfEngine::setDevice ( QIODevice * dev )

Referenced by printerState().

◆ type()

QPaintEngine::Type QPdfEngine::type ( ) const

virtual

Reimplement this function to return the paint engine Type.

Implements QPaintEngine.

Definition at line 286 of file qprintengine_pdf.cpp.

 {
     return QPaintEngine::Pdf;
 }

Properties

◆ state

QPrinter::PrinterState QPdfEngine::state

private

Definition at line 120 of file qprintengine_pdf_p.h.

Referenced by begin(), end(), printerState(), and QPdfEngine().

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

/src/gui/painting/qprintengine_pdf_p.h
/src/gui/painting/qprintengine_pdf.cpp

Public Functions

Properties

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QPdfEngine()

◆ ~QPdfEngine()

Functions

◆ abort()

◆ author()

◆ begin()

◆ drawImage()

◆ drawPixmap()

◆ drawTiledPixmap()

◆ end()

◆ newPage()

◆ printerState()

◆ setAuthor()

◆ setBrush()

◆ setDevice()

◆ type()

Properties

◆ state