Recolor image shearing : Image Color « 2D Graphics « VB.Net Tutorial






Imports System.Drawing
Imports System.Drawing.Imaging
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class RecoloringShearing
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

public class Form1
  Inherits System.Windows.Forms.Form

  Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
        Dim g As Graphics = Me.CreateGraphics()
        g.Clear(Me.BackColor)

        Dim curBitmap As New Bitmap("yourfile.jpg")

        Dim ptsArray As Single()() = {New Single() {1, 0, 0, 0, 0}, New Single() {0, 1, 0, 0, 0}, New Single() {0.5F, 0, 1, 0, 0}, New Single() {0, 0, 0, 1, 0}, New Single() {0, 0, 0, 0, 1}}

        Dim clrMatrix As New ColorMatrix(ptsArray)

        Dim imgAttribs As New ImageAttributes

        imgAttribs.SetColorMatrix(clrMatrix, ColorMatrixFlag.Default, ColorAdjustType.Default)

        g.DrawImage(curBitmap, 0, 0, 200, 200)

        g.DrawImage(curBitmap, New Rectangle(205, 0, 200, 200), 0, 0, curBitmap.Width, curBitmap.Height, GraphicsUnit.Pixel, imgAttribs)

        curBitmap.Dispose()
        g.Dispose()

  End Sub

  Public Sub New()
   
    MyBase.New()
    Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
    Me.ClientSize = New System.Drawing.Size(292, 273)
    Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen

  End Sub

End Class








17.46.Image Color
17.46.1.Pick a color from an Image
17.46.2.Gray Scale Image
17.46.3.Recolor ImageRecolor Image
17.46.4.Recolor image rotation
17.46.5.Recolor image ScalingRecolor image Scaling
17.46.6.Recolor image shearing