SkRSXform Struct Reference

A compressed form of a rotation+scale matrix. More...

#include <SkRSXform.h>

Public Member Functions
bool	rectStaysRect () const
void	setIdentity ()
void	set (SkScalar scos, SkScalar ssin, SkScalar tx, SkScalar ty)
void	toQuad (SkScalar width, SkScalar height, SkPoint quad[4]) const
void	toQuad (const SkSize &size, SkPoint quad[4]) const
void	toTriStrip (SkScalar width, SkScalar height, SkPoint strip[4]) const

Static Public Member Functions
static SkRSXform	Make (SkScalar scos, SkScalar ssin, SkScalar tx, SkScalar ty)
static SkRSXform	MakeFromRadians (SkScalar scale, SkScalar radians, SkScalar tx, SkScalar ty, SkScalar ax, SkScalar ay)

Public Attributes
SkScalar	fSCos
SkScalar	fSSin
SkScalar	fTx
SkScalar	fTy

Detailed Description

A compressed form of a rotation+scale matrix.

[ fSCos -fSSin fTx ] [ fSSin fSCos fTy ] [ 0 0 1 ]

Member Function Documentation

Make()

static SkRSXform SkRSXform::Make ( SkScalar  scos, SkScalar  ssin, SkScalar  tx, SkScalar  ty  )

inlinestatic

MakeFromRadians()

static SkRSXform SkRSXform::MakeFromRadians ( SkScalar  scale, SkScalar  radians, SkScalar  tx, SkScalar  ty, SkScalar  ax, SkScalar  ay  )

inlinestatic

rectStaysRect()

bool SkRSXform::rectStaysRect ( ) const

inline

set()

void SkRSXform::set ( SkScalar  scos, SkScalar  ssin, SkScalar  tx, SkScalar  ty  )

inline

setIdentity()

void SkRSXform::setIdentity ( )

inline

toQuad() [1/2]

void SkRSXform::toQuad ( const SkSize &  size, SkPoint  quad[4]  ) const

inline

toQuad() [2/2]

void SkRSXform::toQuad	(	SkScalar	width,
		SkScalar	height,
		SkPoint	quad[4]
	)		const

toTriStrip()

void SkRSXform::toTriStrip	(	SkScalar	width,
		SkScalar	height,
		SkPoint	strip[4]
	)		const

Member Data Documentation

fSCos

SkScalar SkRSXform::fSCos

fSSin

SkScalar SkRSXform::fSSin

fTx

SkScalar SkRSXform::fTx

fTy

SkScalar SkRSXform::fTy

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

• /CHECKOUT/include/core/SkRSXform.h