QtPolygonScanner Class Reference

Inherited by QtCanvasPolygonScanner, and QtCanvasPolygonScanner.

Public Types
enum	Edge {   Left = 1, Right = 2, Top = 4, Bottom = 8,   Left = 1, Right = 2, Top = 4, Bottom = 8 }
enum	Edge {   Left = 1, Right = 2, Top = 4, Bottom = 8,   Left = 1, Right = 2, Top = 4, Bottom = 8 }

Public Member Functions
virtual void	processSpans (int n, QPoint *point, int *width)=0
virtual void	processSpans (int n, QPoint *point, int *width)=0
void	scan (const QPolygon &pa, bool winding, int index=0, int npoints=-1)
void	scan (const QPolygon &pa, bool winding, int index=0, int npoints=-1)
void	scan (const QPolygon &pa, bool winding, int index, int npoints, bool stitchable)
void	scan (const QPolygon &pa, bool winding, int index, int npoints, bool stitchable)
void	scan (const QPolygon &pa, bool winding, int index, int npoints, Edge edges)
void	scan (const QPolygon &pa, bool winding, int index, int npoints, Edge edges)
virtual	~QtPolygonScanner ()
virtual	~QtPolygonScanner ()

Member Enumeration Documentation

Edge [1/2]

enum QtPolygonScanner::Edge

Enumerator
Left
Right
Top
Bottom
Left
Right
Top
Bottom

Edge [2/2]

enum QtPolygonScanner::Edge

Enumerator
Left
Right
Top
Bottom
Left
Right
Top
Bottom

Constructor & Destructor Documentation

~QtPolygonScanner() [1/2]

virtual QtPolygonScanner::~QtPolygonScanner ( )

inlinevirtual

~QtPolygonScanner() [2/2]

virtual QtPolygonScanner::~QtPolygonScanner ( )

inlinevirtual

Member Function Documentation

processSpans() [1/2]

virtual void QtPolygonScanner::processSpans ( int  n, QPoint *  point, int *  width  )

pure virtual

Implemented in QtCanvasPolygonScanner, and QtCanvasPolygonScanner.

processSpans() [2/2]

virtual void QtPolygonScanner::processSpans ( int  n, QPoint *  point, int *  width  )

pure virtual

Implemented in QtCanvasPolygonScanner, and QtCanvasPolygonScanner.

scan() [1/6]

void QtPolygonScanner::scan	(	const QPolygon &	pa,
		bool	winding,
		int	index = 0,
		int	npoints = -1
	)

Referenced by miInsertionSort(), QtCanvasPolygonScanner::processSpans(), and QtCanvasPolygonalItem::scanPolygon().

scan() [2/6]

void QtPolygonScanner::scan	(	const QPolygon &	pa,
		bool	winding,
		int	index = 0,
		int	npoints = -1
	)

scan() [3/6]

void QtPolygonScanner::scan	(	const QPolygon &	pa,
		bool	winding,
		int	index,
		int	npoints,
		bool	stitchable
	)

scan() [4/6]

void QtPolygonScanner::scan	(	const QPolygon &	pa,
		bool	winding,
		int	index,
		int	npoints,
		bool	stitchable
	)

scan() [5/6]

void QtPolygonScanner::scan	(	const QPolygon &	pa,
		bool	winding,
		int	index,
		int	npoints,
		Edge	edges
	)

References _EdgeTableEntry::bres, _ScanLineList::edgelist, EVALUATEEDGEEVENODD, EVALUATEEDGEWINDING, micomputeWAET(), miCreateETandAET(), miFreeStorage(), miInsertionSort(), miloadAET(), BRESINFO::minor, _EdgeTableEntry::next, _ScanLineList::next, _ScanLineListBlock::next, _EdgeTableEntry::nextWETE, NUMPTSTOBUFFER, _ScanLineList::scanline, EdgeTable::scanlines, QtCanvasSprite::width(), DDXPointRec::x, QtCanvasItem::y(), DDXPointRec::y, EdgeTable::ymax, and EdgeTable::ymin.

scan() [6/6]

void QtPolygonScanner::scan	(	const QPolygon &	pa,
		bool	winding,
		int	index,
		int	npoints,
		Edge	edges
	)

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

• canvas_typed/qtcanvas.cpp