Widen a Path : Path « 2D Graphics « C# / C Sharp

1. C# / C Sharp
2. 2D Graphics
3. Path

Widen a Path

 

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
   
class WidenPath: Form
{
     GraphicsPath path= new GraphicsPath();
   
     public static void Main()
     {
          Application.Run(new WidenPath());
     }
     public WidenPath()
     {
          ResizeRedraw = true; 
   
          path.AddLines(new Point[] { new Point(20, 10),
                                      new Point(50, 50),
                                      new Point(80, 10) });
   
          path.AddPolygon(new Point[] { new Point(20, 30),
                                        new Point(50, 70),
                                        new Point(80, 30) });
     }
     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.ScaleTransform(cx / 300f, cy / 200f);
   
          for (int i = 0; i < 6; i++)
          {
               GraphicsPath pathClone = (GraphicsPath) path.Clone();
               Matrix       matrix    = new Matrix();
               Pen          penThin   = new Pen(clr, 1);
               Pen          penThick  = new Pen(clr, 5);
               Pen          penWiden  = new Pen(clr, 7.5f);
               Brush        brush     = new SolidBrush(clr);               
   
               matrix.Translate((i % 3) * 100, (i / 3) * 100);
   
               if (i < 3)
                    pathClone.Transform(matrix);
               else
                    pathClone.Widen(penWiden, matrix);
   
               switch (i % 3)
               {
               case 0:  grfx.DrawPath(penThin, pathClone);   break;
               case 1:  grfx.DrawPath(penThick, pathClone);  break;
               case 2:  grfx.FillPath(brush, pathClone);     break;
               }
          }
     }
}

 

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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.	Scribble with Path
14.	Add Bezier to a Path
15.	Add Line and Arc to Path
16.	Graphics Path Example
17.	Draw path
18.	Fillpath Demo