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 the point x, y. 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)
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

Detailed Description

Used to store transformation matrices.

Definition at line 1998 of file IGraphicsStructs.h.

Constructor & Destructor Documentation

IMatrix() [1/2]

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

Create an identity matrix.

Definition at line 2012 of file IGraphicsStructs.h.

Referenced by Rotate(), Scale(), Skew(), Transform(), and Translate().

Member Function Documentation

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  a )

inline

Set the matrix for a rotation transform.

Parameters

a	The angle of rotation in degrees

Returns

IMatrix& The matrix

Definition at line 2036 of file IGraphicsStructs.h.

References IMatrix(), and Transform().

Referenced by IGraphics::CalculateTextRotation(), and IGraphics::PathTransformRotate().

Scale()

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

inline

Set the matrix for a scale transform.

Parameters

x	The scale for x
y	The scale for y

Returns

IMatrix& The matrix

Definition at line 2028 of file IGraphicsStructs.h.

References IMatrix(), and Transform().

Referenced by IGraphics::PathTransformScale().

Skew()

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

inline

Set the matrix for a skew transform.

Parameters

xa	The angle to skew x coordinates in degrees
ya	The angle to skew y coordinates in degrees

Returns

IMatrix& The matrix

Definition at line 2049 of file IGraphicsStructs.h.

References IMatrix(), and Transform().

Referenced by IGraphics::PathTransformSkew().

Transform() [1/2]

IMatrix & IMatrix::Transform ( const IMatrix &  m )

inline

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]

IMatrix & IMatrix::Transform ( const IRECT &  before, const IRECT &  after  )

inline

Todo:

Parameters

before

Todo:

Parameters

after

Todo:

Returns

IMatrix& The result of the transform

Definition at line 2077 of file IGraphicsStructs.h.

References IRECT::H(), IMatrix(), and IRECT::W().

Referenced by IGraphics::PathTransformMatrix(), Rotate(), Scale(), Skew(), and Translate().

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

Transforms the point x, y.

Todo:

Parameters

x	The x coordinate to transform
y	The y coordinate to transform
x0

Todo:

Parameters

y0

Todo:

Definition at line 2059 of file IGraphicsStructs.h.

Referenced by IGraphics::CalculateTextRotation(), and TransformPoint().

Translate()

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

inline

Set the matrix for a translation transform.

Parameters

x	The translation for x values
y	The translation for y values

Returns

IMatrix& The matrix

Definition at line 2019 of file IGraphicsStructs.h.

References IMatrix(), and Transform().

Referenced by IGraphics::PathTransformTranslate().

Member Data Documentation

mTX

double IMatrix::mTX

Definition at line 2122 of file IGraphicsStructs.h.

mTY

double IMatrix::mTY

Definition at line 2122 of file IGraphicsStructs.h.

mXX

double IMatrix::mXX

Definition at line 2122 of file IGraphicsStructs.h.

mXY

double IMatrix::mXY

Definition at line 2122 of file IGraphicsStructs.h.

mYX

double IMatrix::mYX

Definition at line 2122 of file IGraphicsStructs.h.

mYY

double IMatrix::mYY

Definition at line 2122 of file IGraphicsStructs.h.

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

• IGraphicsStructs.h