Graphics: TranslateClip
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
class KeyholeClipCentered : Form {
GraphicsPath path = new GraphicsPath();
Image image = Image.FromFile("Color.jpg");
public static void Main() {
Application.Run(new KeyholeClipCentered());
}
public KeyholeClipCentered() {
ResizeRedraw = true;
path.AddArc(80, 0, 80, 80, 45, -270);
path.AddLine(70, 180, 170, 180);
}
protected override void OnPaint(PaintEventArgs pea) {
DoPage(pea.Graphics, ForeColor, ClientSize.Width, ClientSize.Height);
}
protected void DoPage(Graphics grfx, Color clr, int cx, int cy) {
grfx.SetClip(path);
RectangleF rectf = path.GetBounds();
int xOffset = (int)((cx - rectf.Width) / 2 - rectf.X);
int yOffset = (int)((cy - rectf.Height) / 2 - rectf.Y);
grfx.TranslateClip(xOffset, yOffset);
grfx.DrawImage(image, xOffset, yOffset, image.Width, image.Height);
}
}
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