Matrix

public static class Matrix

Methods to create and manage an IMatrix

Properties

Instantiator

public static Func<IMatrix> Instantiator { get; }

obsolete: Use Matrix.Create() instead

Gets a delegate that can be used to create an identity matrix with little overhead

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:290

InstantiatorWithElements

public static Func<float, float, float, float, float, float, IMatrix> InstantiatorWithElements { get; }

obsolete: Use Matrix.Create() instead

Gets a delegate that can be used to create instances of a matrix with specified components with little overhead

Returns: The with elements.

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:309

Methods

Append

#Example

public static void Append(this IMatrix matrix, params IMatrix[] matrices)

Append the specified matrices to the matrix

Parameters:

matrix (IMatrix)	Matrix to append to
matrices (params IMatrix[])	Matrices to append to the matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:455

Create

public static IMatrix Create()

Creates a new identity matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:327

Create

public static IMatrix Create(float xx, float yx, float xy, float yy, float x0, float y0)

Creates a new matrix with the specified components

Parameters:

xx (float)	Xx component of the matrix
yx (float)	Yx component of the matrix
xy (float)	Xy component of the matrix
yy (float)	Yy component of the matrix
x0 (float)	X0 component of the matrix
y0 (float)	Y0 component of the matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:358

Create

public static IMatrix Create(float[] elements)

Creates a new matrix with the specified elements

Parameters:

elements (float[])

Elements of the matrix (six components)

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:338

FromRotation

public static IMatrix FromRotation(float angle)

Creates a new rotation matrix

Parameters:

angle (float)

Angle in degrees to rotate. A positive value indicates a clockwise rotation, whereas a negative value will rotate counter clockwise

Returns: A new rotation matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:242

FromRotationAt

public static IMatrix FromRotationAt(float angle, float centerX, float centerY)

Creates a new rotation matrix around a (centerX, centerY) point with the specified angle

Parameters:

angle (float)	Angle in degrees to rotate. A positive value indicates a clockwise rotation, whereas a negative value will rotate counter clockwise
centerX (float)	X co-ordinate of the point to rotate around
centerY (float)	Y co-ordinate of the point to rotate around

Returns: A new rotation matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:267

FromRotationAt

public static IMatrix FromRotationAt(float angle, PointF center)

Creates a new rotation matrix around a center point with the specified angle

Parameters:

angle (float)	Angle in degrees to rotate. A positive value indicates a clockwise rotation, whereas a negative value will rotate counter clockwise
center (PointF)	the point to rotate around

Returns: A new rotation matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:255

FromScale

public static IMatrix FromScale(float scaleX, float scaleY)

Creates a new matrix with the specified scale factor

Parameters:

scaleX (float)	The amount to multiply coordinates along the x axis
scaleY (float)	The amount to multiply coordinates along the y axis

Returns: A new matrix with a scale transform

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:173

FromScale

public static IMatrix FromScale(SizeF scale)

Creates a new matrix with the specified scale

Parameters:

scale (SizeF)

Scale size for the X and Y coordinates

Returns: A new matrix with a scale transform

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:162

FromScaleAt

public static IMatrix FromScaleAt(float scaleX, float scaleY, float centerX, float centerY)

Creates a new matrix with a scale at the specified point

Parameters:

scaleX (float)	The amount to multiply coordinates along the x axis
scaleY (float)	The amount to multiply coordinates along the y axis
centerX (float)	X co-ordinate of the point to scale from
centerY (float)	Y co-ordinate of the point to scale from

Returns: A new matrix with a scale transform

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:197

FromScaleAt

public static IMatrix FromScaleAt(SizeF scale, PointF center)

Creates a new matrix with a scale at the specified center point

Parameters:

scale (SizeF)	The amount to multiply coordinates by
center (PointF)	Point to scale from

Returns: A new matrix with a scale transform

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:184

FromSkew

public static IMatrix FromSkew(float skewX, float skewY)

Creates a new matrix with a skew

Parameters:

skewX (float)	Amount to skew along the X axis, 1.0 does not skew
skewY (float)	Amount to skew along the Y axis, 1.0 does not skew

Returns: A new skew matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:280

FromTranslation

public static IMatrix FromTranslation(float distanceX, float distanceY)

Creates a new matrix with a translation

Parameters:

distanceX (float)	Distance to translate along the x axis
distanceY (float)	Distance to translate along the y axis

Returns: A new translation matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:230

FromTranslation

public static IMatrix FromTranslation(PointF offset)

Creates a new matrix with a translation

Parameters:

offset (PointF)

Offset to translate by

Returns: A new translation matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:219

FromTranslation

public static IMatrix FromTranslation(SizeF offset)

Creates a new matrix with a translation

Parameters:

offset (SizeF)

Offset to translate by

Returns: A new translation matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:209

GetScale

#Example

public static PointF GetScale(this IMatrix matrix)

Returns the scale coordinates Xx and Yy of the matrix as a PointF.

Parameters:

matrix (IMatrix)

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:475

Inverse

#Example

public static IMatrix Inverse(this IMatrix matrix)

Creates an inverted copy of the specified matrix.

Parameters:

matrix (IMatrix)

Matrix to invert.

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:520

Multiply

public static IMatrix Multiply(IMatrix matrix, params IMatrix[] matrices)

Multiply the specified matrix and matrices.

Parameters:

matrix (IMatrix)	Matrix to multiply with
matrices (params IMatrix[])	Matrices to append

Returns: A new matrix with the product of multiplying each of the specified matrix and matrices

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:149

Prepend

#Example

public static void Prepend(this IMatrix matrix, params IMatrix[] matrices)

Prepends the specified matrices to the matrix

Parameters:

matrix (IMatrix)	Matrix to prepend to
matrices (params IMatrix[])	Matrices to prepend to the matrix

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:466

RotateAt

#Example

public static void RotateAt(this IMatrix matrix, float angle, PointF center)

Prepend a rotation around the specified point to the matrix

Parameters:

matrix (IMatrix)	Matrix to rotate
angle (float)	Angle in degrees to rotate. A positive value indicates a clockwise rotation, whereas a negative value will rotate counter clockwise
center (PointF)	Point to rotate around

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:371

Scale

#Example

public static void Scale(this IMatrix matrix, float scale)

Prepend a scale to the matrix from the origin (0, 0)

Parameters:

matrix (IMatrix)	Matrix to scale
scale (float)	The amount to multiply coordinates along both the x and y axis

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:411

Scale

#Example

public static void Scale(this IMatrix matrix, SizeF scale)

Prepend a scale to the matrix from the origin (0, 0)

Parameters:

matrix (IMatrix)	Matrix to scale
scale (SizeF)	The amount to multiply coordinates

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:401

ScaleAt

#Example

public static void ScaleAt(this IMatrix matrix, float scale, float centerX, float centerY)

Prepend a scale to the matrix from the specified point

Parameters:

matrix (IMatrix)	Matrix to scale
scale (float)	The amount to multiply coordinates along both the x and y axis
centerX (float)	X co-ordinate of the point to scale from
centerY (float)	Y co-ordinate of the point to scale from

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:445

ScaleAt

#Example

public static void ScaleAt(this IMatrix matrix, float scale, PointF center)

Prepend a scale to the matrix from the specified point

Parameters:

matrix (IMatrix)	Matrix to scale
scale (float)	The amount to multiply coordinates along both the x and y axis
center (PointF)	Point to scale from

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:433

ScaleAt

#Example

public static void ScaleAt(this IMatrix matrix, SizeF scale, PointF center)

Prepend a scale to the matrix from the specified point

Parameters:

matrix (IMatrix)	Matrix to scale
scale (SizeF)	The amount to multiply coordinates
center (PointF)	Point to scale from

https://github.com/picoe/Eto/blob/fc8395dc3630c1ea5e1b1e8cb900e9cfb80c800e/src/Eto/Drawing/Matrix.cs:422

TransformRectangle

#Example

public static RectangleF TransformRectangle(this IMatrix matrix, RectangleF rect)

Transforms the rectangle with the current matrix.

Remarks: This returns a rectangle that encompasses the specified rect after it is translated. When rotating, this means that the new rectangle may be larger in size to encompass the translated rectangle.

Parameters: