QScanConverter Class Reference

Collaboration diagram for QScanConverter:

Classes
struct	Line

Public Member Functions
	QScanConverter ()
	~QScanConverter ()
void	begin (int top, int bottom, int left, int right, Qt::FillRule fillRule, QSpanBuffer *spanBuffer)
void	end ()
void	mergeCurve (const QT_FT_Vector &a, const QT_FT_Vector &b, const QT_FT_Vector &c, const QT_FT_Vector &d)
void	mergeLine (QT_FT_Vector a, QT_FT_Vector b)

Detailed Description

Definition at line 97 of file qrasterizer.cpp.

Constructor & Destructor Documentation

QScanConverter()

QScanConverter::QScanConverter

(

)

Definition at line 178 of file qrasterizer.cpp.

~QScanConverter()

QScanConverter::~QScanConverter

(

)

Definition at line 187 of file qrasterizer.cpp.

Member Function Documentation

begin()

void QScanConverter::begin	(	int	top,
		int	bottom,
		int	left,
		int	right,
		Qt::FillRule	fillRule,
		QSpanBuffer *	spanBuffer
	)

Definition at line 193 of file qrasterizer.cpp.

References IntToQScFixed, and Qt::WindingFill.

Referenced by QRasterizer::rasterize(), and QRasterizer::rasterize().

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end()

void QScanConverter::end

(

)

Definition at line 343 of file qrasterizer.cpp.

References CHUNK_SIZE, end(), i, it, line, qMax(), qMin(), and QScFixedToInt.

Referenced by end(), QRasterizer::rasterize(), and QRasterizer::rasterize().

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mergeCurve()

void QScanConverter::mergeCurve	(	const QT_FT_Vector &	a,
		const QT_FT_Vector &	b,
		const QT_FT_Vector &	c,
		const QT_FT_Vector &	d
	)

Definition at line 439 of file qrasterizer.cpp.

References d, d2, mergeLine(), qAbs(), QT_FT_Pos, split(), QT_FT_Vector_::x, and QT_FT_Vector_::y.

Referenced by QRasterizer::rasterize(), and QRasterizer::rasterize().

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mergeLine()

void QScanConverter::mergeLine	(	QT_FT_Vector	a,
		QT_FT_Vector	b
	)

Definition at line 551 of file qrasterizer.cpp.

References FloatToQScFixed, FTPosToQScFixed, IntToQScFixed, line, Q_ASSERT, qBound(), qMax(), qMin(), QScFixed, QScFixedFactor, QScFixedMultiply, and qSwap().

Referenced by mergeCurve(), QRasterizer::rasterize(), and QRasterizer::rasterize().

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

• qtbase/src/gui/painting/qrasterizer.cpp