Graphics Path Example : Path « 2D Graphics « C# / C Sharp

Graphics Path Example

/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald

Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Drawing.Drawing2D;

namespace GDI_Basics
{
    /// <summary>
    /// Summary description for GraphicsPathExample.
    /// </summary>
    public class GraphicsPathExample : System.Windows.Forms.Form
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public GraphicsPathExample()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if(components != null)
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            // 
            // GraphicsPathExample
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(292, 266);
            this.Name = "GraphicsPathExample";
            this.Text = "GraphicsPathExample";
            this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.GraphicsPathExample_MouseDown);
            this.Paint += new System.Windows.Forms.PaintEventHandler(this.GraphicsPathExample_Paint);

        }
        #endregion


        [STAThread]
        static void Main() 
        {
            Application.Run(new GraphicsPathExample());
        }

        GraphicsPath path;

        private void GraphicsPathExample_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
        {
            e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
            path = new GraphicsPath();
            path.StartFigure();
            path.AddArc(10, 10, 100, 100, 20, 50);
            path.AddLine(20, 50, 70, 230);
            path.CloseFigure();
            path.AddEllipse(120, 50, 80, 80);
            e.Graphics.FillPath(Brushes.White, path);
            e.Graphics.DrawPath(Pens.Black, path);
        }

        private void GraphicsPathExample_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            if (path.IsVisible(e.X, e.Y))
            {
                MessageBox.Show("You clicked inside the figure.");
            }

        }
    }
}

1.	Start A Figure
2.	Close all figures
3.	Add a rectangle to a Path
4.	Is click inside a path
5.	Create Path from String
6.	GraphicsPath starts a new figure
7.	GraphicsPath closes a figure and starts a new figure
8.	GraphicsPath starts two figures and close them
9.	Add closed figures to GraphicsPath
10.	Fill path and draw path
11.	Add lines to Path
12.	Add Ellipse to path
13.	Widen a Path
14.	Scribble with Path
15.	Add Bezier to a Path
16.	Add Line and Arc to Path
17.	Draw path
18.	Fillpath Demo

Graphics Path Example : Path « 2D Graphics « C# / C Sharp

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