Public Member Functions
	Concat (a, b, c, d, e, f, bPrepended)
	Concatenate with another matrix. More...

	Concat (m, bPrepended)
	Concatenate with another matrix. More...

	ConcatInverse (m, bPrepended)
	Concatenate the inverse of another matrix. More...

	constructor ()
	Construct a identity transformation matrix.

	constructor (a1, b1, c1, d1, e1, f1)
	Construct a matrix with six input coefficients. More...

	GetUnitArea ()
	Get area of the parallelogram composing two unit vectors. More...

	GetUnitRect ()
	Get a bounding rectangle of the parallelogram composing two unit vectors. More...

	GetXUnit ()
	Get the x-direction unit size. More...

	GetYUnit ()
	Get the y-direction unit size. More...

	Is90Rotated ()
	Whether this matrix has rotating of 90, or -90 degrees. More...

	IsIdentity ()
	Determine whether a matrix is an identity transformation or not. More...

	IsInvertible ()
	Determine whether a matrix is invertible or not. More...

	IsScaled ()
	Whether this matrix has scaling (or translating) only. No rotating. More...

	MatchRect (dest, src)
	Get a matrix that transforms a source rectangle to dest rectangle. More...

	Reset ()
	Reset current matrix. More...

	Rotate (fRadian, bPrepended)
	Rotate the matrix. More...

	RotateAt (fRadian, x, y, bPrepended)
	Rotate the matrix at a position. More...

	Scale (sx, sy, bPrepended)
	Scale the matrix. More...

	Set (a, b, c, d, e, f)
	Change the coefficients in the matrix. More...

	SetIdentity ()
	Set the matrix to be an identity transformation matrix. More...

	SetReverse (m)
	Set the coefficients of the inverse of another matrix to this matrix. More...

	Shear (fAlphaRadian, fBetaRadian, bPrepended)
	Shear the matrix. More...

	TransformDistance (dx, dy)
	Transform distance specified by x and y value. More...

	TransformDistance (dx, dy)
	Transform distance specified by x and y value. More...

	TransformDistance (distance)
	Transform a distance. More...

	TransformPoint (x, y)
	Transform point specified by x and y value. More...

	TransformRect (rect)
	Transform a rectangle and return a bounding rectangle. The result rectangle is always normalized: left <= right, and bottom <= top. More...

	TransformRect (rect)
	Transform a rectangle and return a bounding rectangle. The result rectangle is always normalized: left <= right, and bottom <= top. More...

	TransformXDistance (dx)
	Transform a x-distance. More...

	TransformYDistance (dy)
	Transform a y-distance. More...

	Translate (x, y, bPrepended)
	Translate the matrix. More...

	TranslateI (x, y, bPrepended)
	Translate the matrix. using integer value. More...

Public Attributes
	a
	The coefficient a.

	b
	The coefficient b.

	c
	The coefficient c.

	d
	The coefficient d.

	e
	The coefficient e.

	f
	The coefficient f.

Detailed Description

Affine (linear) transformation matrix.

It defines six coefficients: a, b, c, d, e, f. The transformation equations are: dest_x = a * src_x + c * src_y + e; dest_y = b * src_x + d * src_y + f;

Member Function Documentation

◆ Concat() [1/2]

FSDK.Matrix2D.Concat	(	a,
		b,
		c,
		d,
		e,
		f,
		bPrepended
	)

inline

Concatenate with another matrix.

Parameters

[in]	a	The coefficient a of the input matrix.
[in]	b	The coefficient b of the input matrix.
[in]	c	The coefficient c of the input matrix.
[in]	d	The coefficient d of the input matrix.
[in]	e	The coefficient e of the input matrix.
[in]	f	The coefficient f of the input matrix.
[in]	bPrepended	If this is true, the concatenation matrix is multiplied at left side, or at right side.

Returns: None.

◆ Concat() [2/2]

FSDK.Matrix2D.Concat	(	m,
		bPrepended
	)

inline

Concatenate with another matrix.

Parameters

[in]	m	The input matrix.
[in]	bPrepended	If this is true, the concatenation matrix is multiplied at left side, or at right side.

Returns: None.

◆ ConcatInverse()

FSDK.Matrix2D.ConcatInverse	(	m,
		bPrepended
	)

inline

Concatenate the inverse of another matrix.

Parameters

[in]	m	The input matrix.
[in]	bPrepended	If this is true, the concatenation matrix is multiplied at left side, or at right side.

Returns: None.

◆ constructor()

FSDK.Matrix2D.constructor	(	a1,
		b1,
		c1,
		d1,
		e1,
		f1
	)

inline

Construct a matrix with six input coefficients.

Parameters

[in]	a1	The input coefficient a.
[in]	b1	The input coefficient b.
[in]	c1	The input coefficient c.
[in]	d1	The input coefficient d.
[in]	e1	The input coefficient e.
[in]	f1	The input coefficient f.

◆ GetUnitArea()

FSDK.Matrix2D.GetUnitArea ( )

inline

Get area of the parallelogram composing two unit vectors.

Returns: The area of the parallelogram composing two unit vectors.

◆ GetUnitRect()

FSDK.Matrix2D.GetUnitRect ( )

inline

Get a bounding rectangle of the parallelogram composing two unit vectors.

Returns: The unit rect.

◆ GetXUnit()

FSDK.Matrix2D.GetXUnit ( )

inline

Get the x-direction unit size.

Returns: The x-direction unit size.

◆ GetYUnit()

FSDK.Matrix2D.GetYUnit ( )

inline

Get the y-direction unit size.

Returns: The y-direction unit size.

◆ Is90Rotated()

FSDK.Matrix2D.Is90Rotated ( )

inline

Whether this matrix has rotating of 90, or -90 degrees.

Returns: true means current matrix has rotating of 90, or -90 degrees, while false means not.

◆ IsIdentity()

FSDK.Matrix2D.IsIdentity ( )

inline

Determine whether a matrix is an identity transformation or not.

Returns: true means current matrix is identity, while false means not.

◆ IsInvertible()

FSDK.Matrix2D.IsInvertible ( )

inline

Determine whether a matrix is invertible or not.

Returns: true means current matrix is invertible, while false means not.

◆ IsScaled()

FSDK.Matrix2D.IsScaled ( )

inline

Whether this matrix has scaling (or translating) only. No rotating.

Returns: true means current matrix has scaling (or translating) only, while false means not.

◆ MatchRect()

FSDK.Matrix2D.MatchRect	(	dest,
		src
	)

inline

Get a matrix that transforms a source rectangle to dest rectangle.

Parameters

[in]	dest	The dest rectangle.
[in]	src	The source rectangle.

Returns: None.

◆ Reset()

FSDK.Matrix2D.Reset ( )

inline

Reset current matrix.

Returns: None.Copy coefficients from another matrix.

Parameters

[in] m The input matrix.

Returns: None.

◆ Rotate()

FSDK.Matrix2D.Rotate	(	fRadian,
		bPrepended
	)

inline

Rotate the matrix.

Parameters

[in]	fRadian	Rotation angle in radian.
[in]	bPrepended	If it's true, a rotation matrix is multiplied at left side, or at right side.

Returns: None.

◆ RotateAt()

FSDK.Matrix2D.RotateAt	(	fRadian,
		x,
		y,
		bPrepended
	)

inline

Rotate the matrix at a position.

Parameters

[in]	fRadian	Rotation angle in radian.
[in]	x	The x coordinate from which to rotate.
[in]	y	The y coordinate from which to rotate.
[in]	bPrepended	If this is true, a rotation matrix is multiplied at left side, or at right side.

Returns: None.

◆ Scale()

FSDK.Matrix2D.Scale	(	sx,
		sy,
		bPrepended
	)

inline

Scale the matrix.

Parameters

[in]	sx	The x-direction scale coefficient.
[in]	sy	The y-direction scale coefficient.
[in]	bPrepended	If this is true, a scaling matrix is multiplied at left side, or at right side.

Returns: None.

◆ Set()

FSDK.Matrix2D.Set	(	a,
		b,
		c,
		d,
		e,
		f
	)

inline

Change the coefficients in the matrix.

Parameters

[in]	a	The input coefficient a.
[in]	b	The input coefficient b.
[in]	c	The input coefficient c.
[in]	d	The input coefficient d.
[in]	e	The input coefficient e.
[in]	f	The input coefficient f.

Returns: None.

◆ SetIdentity()

FSDK.Matrix2D.SetIdentity ( )

inline

Set the matrix to be an identity transformation matrix.

Returns: None.

◆ SetReverse()

FSDK.Matrix2D.SetReverse ( m )

inline

Set the coefficients of the inverse of another matrix to this matrix.

Parameters

[in] m The input matrix.

Returns: None.

◆ Shear()

FSDK.Matrix2D.Shear	(	fAlphaRadian,
		fBetaRadian,
		bPrepended
	)

inline

Shear the matrix.

Parameters

[in]	fAlphaRadian	Shearing angle of x axis.
[in]	fBetaRadian	Shearing angle of y axis.
[in]	bPrepended	If this is true, a shearing matrix is multiplied at left side, or at right side.

Returns: None.

◆ TransformDistance() [1/3]

FSDK.Matrix2D.TransformDistance	(	dx,
		dy
	)

inline

Transform distance specified by x and y value.

Parameters

[in]	dx	The input x value.
[in]	dy	The input y value.

Returns: The transformed distance.

◆ TransformDistance() [2/3]

FSDK.Matrix2D.TransformDistance	(	dx,
		dy
	)

inline

Transform distance specified by x and y value.

Parameters

[in]	dx	The input x value.
[in]	dy	The input y value.

Returns: The transformed distance.

◆ TransformDistance() [3/3]

FSDK.Matrix2D.TransformDistance ( distance )

inline

Transform a distance.

Parameters

[in] distance The input distance.

Returns: The transformed distance.

◆ TransformPoint()

FSDK.Matrix2D.TransformPoint	(	x,
		y
	)

inline

Transform point specified by x and y value.

Parameters

[in,out]	x	The input x-coordinate of the point, and it receives the output transformed x-coordinate.
[in,out]	y	The input y-coordinate of the point, and it receives the output transformed y-coordinate.

Returns: None.

◆ TransformRect() [1/2]

FSDK.Matrix2D.TransformRect ( rect )

inline

Transform a rectangle and return a bounding rectangle. The result rectangle is always normalized: left <= right, and bottom <= top.

Parameters

[in,out] rect The input rectangle, and it receives the output transformed and normalized rectangle.

Returns: None.

◆ TransformRect() [2/2]

FSDK.Matrix2D.TransformRect ( rect )

inline

Transform a rectangle and return a bounding rectangle. The result rectangle is always normalized: left <= right, and bottom <= top.

Parameters

[in,out] rect The input rectangle, and it receives the output transformed and normalized rectangle.

Returns: None.

◆ TransformXDistance()

FSDK.Matrix2D.TransformXDistance ( dx )

inline

Transform a x-distance.

Parameters

[in] dx The input x-distance.

Returns: The transformed distance.

◆ TransformYDistance()

FSDK.Matrix2D.TransformYDistance ( dy )

inline

Transform a y-distance.

Parameters

[in] dy The input y-distance.

Returns: The transformed distance.

◆ Translate()

FSDK.Matrix2D.Translate	(	x,
		y,
		bPrepended
	)

inline

Translate the matrix.

Parameters

[in]	x	The x-direction delta value.
[in]	y	The y-direction delta value.
[in]	bPrepended	If this is true, a translation matrix is multiplied at left side, or at right side.

Returns: None.

◆ TranslateI()

FSDK.Matrix2D.TranslateI	(	x,
		y,
		bPrepended
	)

inline

Translate the matrix. using integer value.

Parameters

[in]	x	The x-direction delta integer value.
[in]	y	The y-direction delta integer value.
[in]	bPrepended	If this is true, a translation matrix is multiplied at left side, or at right side.

Returns: None.

Public Member Functions

Public Attributes

Detailed Description

Member Function Documentation

◆ Concat() [1/2]

◆ Concat() [2/2]

◆ ConcatInverse()

◆ constructor()

◆ GetUnitArea()

◆ GetUnitRect()

◆ GetXUnit()

◆ GetYUnit()

◆ Is90Rotated()

◆ IsIdentity()

◆ IsInvertible()

◆ IsScaled()

◆ MatchRect()

◆ Reset()

◆ Rotate()

◆ RotateAt()

◆ Scale()

◆ Set()

◆ SetIdentity()

◆ SetReverse()

◆ Shear()

◆ TransformDistance() [1/3]

◆ TransformDistance() [2/3]

◆ TransformDistance() [3/3]

◆ TransformPoint()

◆ TransformRect() [1/2]

◆ TransformRect() [2/2]

◆ TransformXDistance()

◆ TransformYDistance()

◆ Translate()

◆ TranslateI()