cinder::cairo::Matrix Class Reference

#include <Cairo.h>

List of all members.

Public Member Functions
	Matrix ()
	Matrix (double xx, double yx, double xy, double yy, double x0, double y0)
cairo_matrix_t &	getCairoMatrix ()
const cairo_matrix_t &	getCairoMatrix () const
void	init (double xx, double yx, double xy, double yy, double x0, double y0)
void	initIdentity ()
void	initTranslate (double tx, double ty)
void	initScale (double sx, double sy)
void	initRotate (double radians)
void	translate (double tx, double ty)
void	scale (double sx, double sy)
void	rotate (double radians)
int32_t	invert ()
Vec2f	transformPoint (const Vec2f &v) const
	Transforms the point v by the matrix.
Vec2f	transformDistance (const Vec2f &v) const
	Transforms the distance vector v by the matrix. This is similar to cairo_matrix_transform_point() except that the translation components of the transformation are ignored.
Public Attributes
double	xx
double	yx
double	xy
double	yy
double	x0
double	y0

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Constructor & Destructor Documentation

cinder::cairo::Matrix::Matrix

(

)

cinder::cairo::Matrix::Matrix	(	double	xx,
		double	yx,
		double	xy,
		double	yy,
		double	x0,
		double	y0
	)

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Member Function Documentation

cairo_matrix_t& cinder::cairo::Matrix::getCairoMatrix

(

)

const cairo_matrix_t& cinder::cairo::Matrix::getCairoMatrix

(

)

const

void cinder::cairo::Matrix::init	(	double	xx,
		double	yx,
		double	xy,
		double	yy,
		double	x0,
		double	y0
	)

void cinder::cairo::Matrix::initIdentity

(

)

void cinder::cairo::Matrix::initTranslate	(	double	tx,
		double	ty
	)

void cinder::cairo::Matrix::initScale	(	double	sx,
		double	sy
	)

void cinder::cairo::Matrix::initRotate

(

double

radians

)

void cinder::cairo::Matrix::translate	(	double	tx,
		double	ty
	)

void cinder::cairo::Matrix::scale	(	double	sx,
		double	sy
	)

void cinder::cairo::Matrix::rotate

(

double

radians

)

int32_t cinder::cairo::Matrix::invert

(

)

Vec2f cinder::cairo::Matrix::transformPoint

(

const Vec2f &

v

)

const

Transforms the point v by the matrix.

Vec2f cinder::cairo::Matrix::transformDistance

(

const Vec2f &

v

)

const

Transforms the distance vector v by the matrix. This is similar to cairo_matrix_transform_point() except that the translation components of the transformation are ignored.

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Member Data Documentation

double cinder::cairo::Matrix::xx

double cinder::cairo::Matrix::yx

double cinder::cairo::Matrix::xy

double cinder::cairo::Matrix::yy

double cinder::cairo::Matrix::x0

double cinder::cairo::Matrix::y0

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

• include/cinder/cairo/Cairo.h
• src/cinder/cairo/Cairo.cpp