Export (0) Print
Expand All

ColorMatrix.ColorMatrix(Single[][]) Constructor

Initializes a new instance of the ColorMatrix class using the elements in the specified matrix newColorMatrix.

This constructor is not CLS-compliant.  

Namespace: System.Drawing.Imaging
Assembly: System.Drawing (in system.drawing.dll)

'Declaration
<CLSCompliantAttribute(False)> _
Public Sub New ( _
	newColorMatrix As Single()() _
)
'Usage
Dim newColorMatrix As Single()()

Dim instance As New ColorMatrix(newColorMatrix)
/** @attribute CLSCompliantAttribute(false) */ 
public ColorMatrix (
	float[][] newColorMatrix
)
CLSCompliantAttribute(false) 
public function ColorMatrix (
	newColorMatrix : float[][]
)
Not applicable.

Parameters

newColorMatrix

The values of the elements for the new ColorMatrix.

The following code example demonstrates how to construct and use a ColorMatrix. To run this example, paste the code into a Windows Form and call RotateColors from the form's Paint event-handling method passing e as PaintEventArgs.

Private Sub RotateColors(ByVal e As PaintEventArgs)
    Dim image As Bitmap = New Bitmap("RotationInput.bmp")
    Dim imageAttributes As New ImageAttributes()
    Dim width As Integer = image.Width
    Dim height As Integer = image.Height
    Dim degrees As Single = 60.0F
    Dim r As Double = degrees * System.Math.PI / 180 ' degrees to radians
    Dim colorMatrixElements As Single()() = { _
       New Single() {CSng(System.Math.Cos(r)), _
                     CSng(System.Math.Sin(r)), 0, 0, 0}, _
       New Single() {CSng(-System.Math.Sin(r)), _
                     CSng(-System.Math.Cos(r)), 0, 0, 0}, _
       New Single() {0, 0, 2, 0, 0}, _
       New Single() {0, 0, 0, 1, 0}, _
       New Single() {0, 0, 0, 0, 1}}

    Dim colorMatrix As New ColorMatrix(colorMatrixElements)

    imageAttributes.SetColorMatrix( _
       colorMatrix, _
       ColorMatrixFlag.Default, _
       ColorAdjustType.Bitmap)

    e.Graphics.DrawImage(image, 10, 10, width, height)

    ' Pass in the destination rectangle (2nd argument), the upper-left corner 
    ' (3rd and 4th arguments), width (5th argument),  and height (6th 
    ' argument) of the source rectangle.
    e.Graphics.DrawImage( _
       image, _
       New Rectangle(150, 10, width, height), _
       0, 0, _
       width, _
       height, _
       GraphicsUnit.Pixel, _
       imageAttributes)
End Sub

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

Community Additions

ADD
Show:
© 2014 Microsoft