IpeLinear Class Reference
[Ipe Geometry]

Linear transformation in the plane (2x2 matrix). More...

List of all members.

Public Member Functions

• IpeLinear ()
• IpeLinear (IpeAngle angle)
• IpeLinear (double m11, double m21, double m12, double m22)
• IpeLinear (IpeString str)
• IpeLinear Inverse () const
• bool IsIdentity () const
• IpeVector operator * (const IpeVector &rhs) const
• bool operator== (const IpeLinear &rhs) const

Public Attributes

• double iA [4]

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Detailed Description

Linear transformation in the plane (2x2 matrix).

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Constructor & Destructor Documentation

IpeLinear::IpeLinear

(

)

[inline]

Create identity matrix.

IpeLinear::IpeLinear

(

IpeAngle

angle

)

[explicit]

Create matrix representing a rotation by angle.

IpeLinear::IpeLinear	(	double	m11,
		double	m21,
		double	m12,
		double	m22
	)			[inline, explicit]

Create linear matrix with given coefficients.

IpeLinear::IpeLinear

(

IpeString

str

)

[explicit]

Parse string.

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Member Function Documentation

IpeLinear IpeLinear::Inverse

(

)

const

Return inverse.

bool IpeLinear::IsIdentity

(

)

const [inline]

Is this the identity matrix?

IpeVector IpeLinear::operator *

(

const IpeVector &

rhs

)

const [inline]

Linear matrix times vector.

bool IpeLinear::operator==

(

const IpeLinear &

rhs

)

const [inline]

Check for equality of two linear matrices.

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

• ipegeo.h
• ipegeo.cpp

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