Rotation filter

Rotation filter...:


private void RotationMenu_Click(object sender, System.EventArgs e)
{
Graphics g = this.CreateGraphics();
g.Clear(this.BackColor);
Bitmap curBitmap = new Bitmap(@"roses.jpg");
g.DrawImage(curBitmap, 0, 0, 200, 200);
// Create a Matrix object, call its Rotate method,
// and set it as Graphics.Transform
Matrix X = new Matrix();
X.Rotate(30);
g.Transform = X;
// Draw image
g.DrawImage(curBitmap,
new Rectangle(205, 0, 200, 200),
0, 0, curBitmap.Width,
curBitmap.Height,
GraphicsUnit.Pixel) ;
// Dispose of objects
curBitmap.Dispose();
g.Dispose();
}


private void Rotate_Click(object sender,
System.EventArgs e)
{
// Create a Graphics object
Graphics g = this.CreateGraphics();
g.Clear(this.BackColor);
// Create a Matrix object
Matrix X = new Matrix();
// Rotate by 45 degrees
X.Rotate(45, MatrixOrder.Append);
// Apply Matrix object to the Graphics object
// (i.e., to all the graphics items
// drawn on the Graphics object)
g.Transform = X;
// Draw a line
g.DrawLine(new Pen(Color.Green, 3),
new Point(120, 50),
new Point(200, 50));
// Fill a rectangle
g.FillRectangle(Brushes.Blue,
200, 100, 100, 60);
// Dispose of object
g.Dispose();
}