Csharp/C Sharp by API/System.Drawing.Imaging/ImageAttributes — различия между версиями

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Текущая версия на 15:10, 26 мая 2010

ImageAttributes.SetColorMatrix

<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Drawing.Imaging; using System.Drawing.Text; using System.Drawing.Printing; using System.Drawing.Drawing2D; using System.Text; using System.Windows.Forms; public class Form1 : Form {

   protected override void OnPaint(PaintEventArgs e) {
       Bitmap bmp = new Bitmap("alphabet.gif");
       Graphics g = e.Graphics;
       float[][] matrixItems = {
                   new float[] {0.2f, 0, 0, 0, 0},
                   new float[] {0, 0.8f, 0, 0, 0},
                   new float[] {0, 0, 1, 0, 0},
                   new float[] {0, 0, 0, 1, 0}, 
                   new float[] {0, 0, 0, 0, 1}};
       ColorMatrix colorMatrix = new ColorMatrix(matrixItems);
       ImageAttributes imageAtt = new ImageAttributes();
       imageAtt.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
       TextureBrush tb = new TextureBrush(bmp, new Rectangle(0, 0, bmp.Width, bmp.Height), imageAtt);
       tb.WrapMode = WrapMode.Tile;
       g.FillRectangle(tb, this.ClientRectangle);
       bmp.Dispose();
       tb.Dispose();
   }
   public static void Main() {
       Application.Run(new Form1());
   }

}

 </source>


new ImageAttributes()

<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Drawing.Imaging; using System.Drawing.Text; using System.Drawing.Printing; using System.Drawing.Drawing2D; using System.Text; using System.Windows.Forms; public class Form1 : Form {

   protected override void OnPaint(PaintEventArgs e) {
       Bitmap bmp = new Bitmap("alphabet.gif");
       Graphics g = e.Graphics;
       float[][] matrixItems = {
                   new float[] {0.2f, 0, 0, 0, 0},
                   new float[] {0, 0.8f, 0, 0, 0},
                   new float[] {0, 0, 1, 0, 0},
                   new float[] {0, 0, 0, 1, 0}, 
                   new float[] {0, 0, 0, 0, 1}};
       ColorMatrix colorMatrix = new ColorMatrix(matrixItems);
       ImageAttributes imageAtt = new ImageAttributes();
       imageAtt.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
       TextureBrush tb = new TextureBrush(bmp, new Rectangle(0, 0, bmp.Width, bmp.Height), imageAtt);
       tb.WrapMode = WrapMode.Tile;
       g.FillRectangle(tb, this.ClientRectangle);
       bmp.Dispose();
       tb.Dispose();
   }
   public static void Main() {
       Application.Run(new Form1());
   }

}

 </source>