Image manipulation using ColorMatrix : Color Matrix « 2D Graphics « C# / C Sharp

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C# / C Sharp » 2D Graphics » Color MatrixScreenshots 
Image manipulation using ColorMatrix
 

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.Drawing.Imaging;

  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(513);
      this.ClientSize = new System.Drawing.Size(292273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

    }
    static void Main() 
    {
      Application.Run(new Form1());
    }

    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Bitmap bmp = new Bitmap("winter.jpg");
      Graphics g = e.Graphics;

      float[][] matrixItems = {
                        new float[] {0.2f0000},
                        new float[] {00.8f100},
                        new float[] {00100},
                        new float[] {00010}
                        new float[] {00001}};
      ColorMatrix colorMatrix = new ColorMatrix(matrixItems);

      ImageAttributes imageAtt = new ImageAttributes();
      imageAtt.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);

      TextureBrush tb = new TextureBrush(bmp, new Rectangle(00, bmp.Width, bmp.Height), imageAtt);
      tb.WrapMode = WrapMode.Tile;
      g.FillRectangle(tb, this.ClientRectangle);
      bmp.Dispose();
      tb.Dispose();
    }

    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }


           
         
  
Related examples in the same category
1.Use Color Matrix to gray the imageUse Color Matrix to gray the image
2.A color converter class
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