Get Rounded Corner Tab - CSharp System.Drawing.Drawing2D

CSharp examples for System.Drawing.Drawing2D:GraphicsPath

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Description

Get Rounded Corner Tab

Demo Code


using System.Windows.Forms;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
using System.Drawing;
using System;//w  ww .  j  a v a2 s. c  o m

public class Main{
        public static GraphicsPath GetRoundedCornerTab(GraphicsPath graphicsPath, Rectangle rect, bool upCorner)
        {
            if (graphicsPath == null)
                graphicsPath = new GraphicsPath();
            else
                graphicsPath.Reset();
            
            int curveSize = 6;
            if (upCorner)
            {
                graphicsPath.AddLine(rect.Left, rect.Bottom, rect.Left, rect.Top + curveSize / 2);
                graphicsPath.AddArc(new Rectangle(rect.Left, rect.Top, curveSize, curveSize), 180, 90);
                graphicsPath.AddLine(rect.Left + curveSize / 2, rect.Top, rect.Right - curveSize / 2, rect.Top);
                graphicsPath.AddArc(new Rectangle(rect.Right - curveSize, rect.Top, curveSize, curveSize), -90, 90);
                graphicsPath.AddLine(rect.Right, rect.Top + curveSize / 2, rect.Right, rect.Bottom);
            }
            else
            {
                graphicsPath.AddLine(rect.Right, rect.Top, rect.Right, rect.Bottom - curveSize / 2);
                graphicsPath.AddArc(new Rectangle(rect.Right - curveSize, rect.Bottom - curveSize, curveSize, curveSize), 0, 90);
                graphicsPath.AddLine(rect.Right - curveSize / 2, rect.Bottom, rect.Left + curveSize / 2, rect.Bottom);
                graphicsPath.AddArc(new Rectangle(rect.Left, rect.Bottom - curveSize, curveSize, curveSize), 90, 90);
                graphicsPath.AddLine(rect.Left, rect.Bottom - curveSize / 2, rect.Left, rect.Top);
            }

            return graphicsPath;
        }
}

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