casa::PSDriver::PSState Class Reference

Holds our copy of the current transformation matrix. More...

Public Member Functions
	PSState ()
	~PSState ()
void	scale (const float x, const float y)
void	translate (const float x, const float y)
void	rotate (const float degrees)
void	toPoints (const float xin, const float yin, float &xout, float &yout, const casacore::Bool absolute=true) const
	[ x' y' 1 ] = [ x y 1] * CTM More...
void	fromPoints (const float xin, const float yin, float &xout, float &yout, const casacore::Bool absolute=true) const
	[ x y 1 ] = [ x' y' 1] * inverse(CTM); More...
void	setIdentity ()
void	operator= (const PSState &)
void	setXY (const float x, const float y, const casacore::Bool userCoords=true)
	Set/Get the current position. More...
void	getXY (float &x, float &y, const casacore::Bool userCoords=true)

Private Member Functions
void	invert ()

Private Attributes
double	a_
double	b_
double	c_
double	d_
double	tx_
double	ty_
double	ai_
double	bi_
double	ci_
double	di_
double	txi_
double	tyi_
float	currX_
float	currY_

Detailed Description

Holds our copy of the current transformation matrix.

Used for bounding box computations.

Definition at line 716 of file PSDriver.h.

Constructor & Destructor Documentation

casa::PSDriver::PSState::PSState

(

)

casa::PSDriver::PSState::~PSState

(

)

Member Function Documentation

void casa::PSDriver::PSState::fromPoints ( const float  xin, const float  yin, float &  xout, float &  yout, const casacore::Bool  absolute = true  ) const

inline

[ x y 1 ] = [ x' y' 1] * inverse(CTM);

Definition at line 736 of file PSDriver.h.

References ai_, bi_, ci_, di_, txi_, and tyi_.

Referenced by casa::PSDriver::fromPoints().

void casa::PSDriver::PSState::getXY	(	float &	x,
		float &	y,
		const casacore::Bool	userCoords = true
	)

Referenced by casa::PSDriver::getCurrXY().

void casa::PSDriver::PSState::invert ( )

private

void casa::PSDriver::PSState::operator=

(

const PSState &

)

void casa::PSDriver::PSState::rotate

(

const float

degrees

)

void casa::PSDriver::PSState::scale	(	const float	x,
		const float	y
	)

void casa::PSDriver::PSState::setIdentity

(

)

void casa::PSDriver::PSState::setXY	(	const float	x,
		const float	y,
		const casacore::Bool	userCoords = true
	)

Set/Get the current position.

Referenced by casa::PSDriver::setCurrXY().

void casa::PSDriver::PSState::toPoints ( const float  xin, const float  yin, float &  xout, float &  yout, const casacore::Bool  absolute = true  ) const

inline

[ x' y' 1 ] = [ x y 1] * CTM

Definition at line 724 of file PSDriver.h.

References a_, b_, c_, d_, tx_, and ty_.

Referenced by casa::PSDriver::toPoints().

void casa::PSDriver::PSState::translate	(	const float	x,
		const float	y
	)

Member Data Documentation

double casa::PSDriver::PSState::a_

private

Definition at line 756 of file PSDriver.h.

Referenced by toPoints().

double casa::PSDriver::PSState::ai_

private

Definition at line 757 of file PSDriver.h.

Referenced by fromPoints().

double casa::PSDriver::PSState::b_

private

Definition at line 756 of file PSDriver.h.

Referenced by toPoints().

double casa::PSDriver::PSState::bi_

private

Definition at line 757 of file PSDriver.h.

Referenced by fromPoints().

double casa::PSDriver::PSState::c_

private

Definition at line 756 of file PSDriver.h.

Referenced by toPoints().

double casa::PSDriver::PSState::ci_

private

Definition at line 757 of file PSDriver.h.

Referenced by fromPoints().

float casa::PSDriver::PSState::currX_

private

Definition at line 758 of file PSDriver.h.

float casa::PSDriver::PSState::currY_

private

Definition at line 758 of file PSDriver.h.

double casa::PSDriver::PSState::d_

private

Definition at line 756 of file PSDriver.h.

Referenced by toPoints().

double casa::PSDriver::PSState::di_

private

Definition at line 757 of file PSDriver.h.

Referenced by fromPoints().

double casa::PSDriver::PSState::tx_

private

Definition at line 756 of file PSDriver.h.

Referenced by toPoints().

double casa::PSDriver::PSState::txi_

private

Definition at line 757 of file PSDriver.h.

Referenced by fromPoints().

double casa::PSDriver::PSState::ty_

private

Definition at line 756 of file PSDriver.h.

Referenced by toPoints().

double casa::PSDriver::PSState::tyi_

private

Definition at line 757 of file PSDriver.h.

Referenced by fromPoints().

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

• casa/code/display/Display/PSDriver.h