iPlug 2: IMatrix Struct Reference

Used to store transformation matrices. More...

#include <IGraphicsStructs.h>

Public Member Functions
	IMatrix (double xx, double yx, double xy, double yy, double tx, double ty)
	Create an IMatrix, specifying the values. More...

	IMatrix ()
	Create an identity matrix. More...

IMatrix &	Translate (float x, float y)
	Set the matrix for a translation transform. More...

IMatrix &	Scale (float x, float y)
	Set the matrix for a scale transform. More...

IMatrix &	Rotate (float a)
	Set the matrix for a rotation transform. More...

IMatrix &	Skew (float xa, float ya)
	Set the matrix for a skew transform. More...

void	TransformPoint (double &x, double &y, double x0, double y0) const
	Transforms a point using this matrix. More...

void	TransformPoint (double &x, double &y) const
	Transforms the point x, y with the matrix. More...

IMatrix &	Transform (const IRECT &before, const IRECT &after)
	Sets up a transformation matrix to map one rectangle to another. More...

IMatrix &	Transform (const IMatrix &m)
	Transform this matrix with another. More...

IMatrix &	Invert ()
	Changes the matrix to be the inverse of its original value. More...

Public Attributes
double	mXX

double	mYX

double	mXY

double	mYY

double	mTX

double	mTY

Used to store transformation matrices.

Definition at line 1998 of file IGraphicsStructs.h.

IMatrix::IMatrix	(	double	xx,
		double	yx,
		double	xy,
		double	yy,
		double	tx,
		double	ty
	)

inline

Create an IMatrix, specifying the values.

Parameters

xx	xx component of the affine transformation
yx	yx component of the affine transformation
xy	xy component of the affine transformation
yy	yy component of the affine transformation
tx	X translation component of the affine transformation
ty	Y translation component of the affine transformation

Definition at line 2007 of file IGraphicsStructs.h.

◆ IMatrix() [2/2]

IMatrix::IMatrix

(

)

inline

◆ Invert()

IMatrix & IMatrix::Invert

(

)

inline

Changes the matrix to be the inverse of its original value.

Returns: IMatrix& The changed matrix

Definition at line 2106 of file IGraphicsStructs.h.

◆ Rotate()

IMatrix & IMatrix::Rotate

(

float

)

inline

◆ Scale()

IMatrix & IMatrix::Scale	(	float	x,
		float	y
	)

inline

◆ Skew()

IMatrix & IMatrix::Skew	(	float	xa,
		float	ya
	)

inline

◆ Transform() [1/2]

Transform this matrix with another.

Parameters

m	The matrix with which to transform this one

Returns: IMatrix& The result of the transform

Definition at line 2090 of file IGraphicsStructs.h.

◆ Transform() [2/2]

◆ TransformPoint() [1/2]

void IMatrix::TransformPoint	(	double &	x,
		double &	y
	)		const

inline

Transforms the point x, y with the matrix.

Parameters

x	The x coordinate to transform
y	The y coordinate to transform

Definition at line 2068 of file IGraphicsStructs.h.

References TransformPoint().

◆ TransformPoint() [2/2]

void IMatrix::TransformPoint	(	double &	x,
		double &	y,
		double	x0,
		double	y0
	)		const

inline

◆ Translate()

IMatrix & IMatrix::Translate	(	float	x,
		float	y
	)

Public Member Functions

Public Attributes

◆ IMatrix() [2/2]

◆ Invert()

◆ Rotate()

◆ Scale()

◆ Skew()

◆ Transform() [1/2]

◆ Transform() [2/2]

◆ TransformPoint() [1/2]

◆ TransformPoint() [2/2]

◆ Translate()

◆ mTX

◆ mTY

◆ mXX

◆ mXY

◆ mYX

◆ mYY