Two-dimensional grid transform class.

#include <csol_grid.h>

Public Member Functions
	Grid2dTransform ()

	Grid2dTransform (const Grid2dTransform &)

void	applyInverseTransformation (REAL &, REAL &)

void	applyInverseTranslation (REAL &px, REAL &py)

void	applyTransformation (REAL &, REAL &)

void	applyTranslation (REAL &px, REAL &py)

void	find2dTransformedLimits (REAL &, REAL &, REAL &, REAL &)
	Find bounding box from a two-dimensional transform. More...

bool	isNull ()

Grid2dTransform &	operator= (const Grid2dTransform &)

void	setUnitMatrices ()

template<typename T >
void	updateFromGrid (Grid< T > &grid)

void	updateTransforms ()

void	updateTranslation (REAL, REAL, REAL, REAL)

Public Attributes
REAL	inverseTransform [16]
	Inverse transformation matrix (compatible with OpenGL format) More...

REAL	off_x

REAL	off_y
	Rotation offset. More...

REAL	rotation
	Rotation in radians. More...

REAL	scale_x

REAL	scale_y
	Scale. More...

REAL	trans_x

REAL	trans_y
	Translation. More...

REAL	transform [16]
	Transformation matrix (compatible with OpenGL format) More...

Constructor & Destructor Documentation

Grid2dTransform ( )

Grid2dTransform ( const Grid2dTransform & r )

Member Function Documentation

void applyInverseTransformation	(	REAL &	px,
		REAL &	py
	)

void applyInverseTranslation	(	REAL &	px,
		REAL &	py
	)

void find2dTransformedLimits	(	REAL &	vmin_x,
		REAL &	vmin_y,
		REAL &	vmax_x,
		REAL &	vmax_y
	)

Parameters

[out]	vmin_x	x minimum value of bounding rectangle.
[out]	vmin_y	y minimum value of bounding rectangle.
[out]	vmax_x	x maximum value of bounding rectangle.
[out]	vmax_y	y maximum value of bounding rectangle.

bool isNull ( )

Grid2dTransform & operator= ( const Grid2dTransform & r )

void setUnitMatrices ( )

void updateFromGrid ( Grid< T > & grid )

inline

void updateTransforms ( )

REAL inverseTransform[16]

REAL off_x

REAL off_y

REAL rotation

REAL scale_x

REAL scale_y

REAL trans_x

REAL trans_y

REAL transform[16]