Csharp/C Sharp/2D Graphics/Line Cap

Материал из .Net Framework эксперт
Версия от 11:42, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
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All LineCap illustration

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Windows.Forms.VisualStyles;
using System.Drawing.Drawing2D;
public class Form1 : Form
{
      public Form1() {
            InitializeComponent();
            
      }
    private void SimpleStyleRenderer_Paint(object sender, PaintEventArgs e)
    {
      Pen myPen = new Pen(Color.Blue, 10);
      int y = 20;
      foreach (LineCap cap in Enum.GetValues(typeof(LineCap)))
      {
        myPen.StartCap = cap;
        myPen.EndCap = cap;
        e.Graphics.DrawLine(myPen, 20, y, 100, y);
        e.Graphics.DrawString(cap.ToString(), new Font("Tahoma", 8), Brushes.Black, 120, y - 10);
        y += 30;
      }
    }

    private void InitializeComponent()
    {
      this.SuspendLayout();
      // 
      // SimpleStyleRenderer
      // 
      this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
      this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
      this.ClientSize = new System.Drawing.Size(384, 353);
      this.Name = "SimpleStyleRenderer";
      this.Text = "SimpleStyleRenderer";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.SimpleStyleRenderer_Paint);
      this.ResumeLayout(false);
    }
      [STAThread]
      static void Main()
      {
        Application.EnableVisualStyles();
        Application.Run(new Form1());
      }
}


Line cap: Arrow Anchor, Round

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {      
      Graphics g = e.Graphics;
      g.SmoothingMode = SmoothingMode.AntiAlias;
      g.FillRectangle(Brushes.White, this.ClientRectangle);
      Pen p = new Pen(Color.Black, 10);
      p.StartCap = LineCap.Round;
      p.EndCap = LineCap.ArrowAnchor;
      g.DrawLine(p, 30, 30, 80, 30);
      p.Dispose();
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }


LineCap: RoundAnchor

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
      SetStyle(ControlStyles.ResizeRedraw, true);
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(211, 104);
      this.Text = "";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
            Graphics g = e.Graphics;
            Pen p = new Pen(Color.Brown, 15);
 
            p.StartCap = LineCap.RoundAnchor ;
            p.EndCap = LineCap.RoundAnchor ;
            g.DrawLine(p,30, 30, Width-50, 30);
    }
  }


Line Cap style

namespace PenCapApp
{
  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Text = "Pen Cap App";
      this.Resize += new System.EventHandler(this.Form1_Resize);
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
      Graphics g = e.Graphics;
      Pen thePen = new Pen(Color.Black, 10);
      int yOffSet = 10;
      Array obj = Enum.GetValues(typeof(LineCap));
      for(int x = 0; x < obj.Length; x++)
      {
        LineCap temp = (LineCap)obj.GetValue(x);
        thePen.StartCap = temp;
        thePen.EndCap = temp;
        g.DrawString(temp.ToString(), new Font("Times New Roman", 10), 
          new SolidBrush(Color.Black), 0, yOffSet);
        g.DrawLine(thePen, 100, yOffSet, Width - 50, yOffSet);
        yOffSet += 40;
      }
    }
    private void Form1_Resize(object sender, System.EventArgs e)
    {
      Invalidate();
    }
  }
}


Pen StartCap: LineCap.ArrowAnchor

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
      SetStyle(ControlStyles.ResizeRedraw, true);
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(211, 104);
      this.Text = "";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
            Graphics g = e.Graphics;
            Pen p = new Pen(Color.Brown, 15);
 
            p.StartCap = LineCap.ArrowAnchor ;
            p.EndCap = LineCap.ArrowAnchor ;
            g.DrawLine(p,30, 30, Width-50, 30);
   
    }
  }


Pen StartCap: LineCap.Round

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
      SetStyle(ControlStyles.ResizeRedraw, true);
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(211, 104);
      this.Text = "";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
            Graphics g = e.Graphics;
            Pen p = new Pen(Color.Brown, 15);
 
            p.StartCap = LineCap.Round  ;
            p.EndCap = LineCap.Round ;
            g.DrawLine(p,30, 30, Width-50, 30);
    }
  }


Pen Start Cap = Line Cap RoundAnchor

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
      SetStyle(ControlStyles.ResizeRedraw, true);
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(211, 104);
      this.Text = "";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
            Graphics g = e.Graphics;
            Pen p = new Pen(Color.Brown, 15);
 
            p.StartCap = LineCap.RoundAnchor ;
            p.EndCap = LineCap.RoundAnchor ;
            g.DrawLine(p,30, 30, Width-50, 30);
    }
  }


Pen Start Cap: LineCap.SquareAnchor

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
      SetStyle(ControlStyles.ResizeRedraw, true);
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(211, 104);
      this.Text = "";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
            Graphics g = e.Graphics;
            Pen p = new Pen(Color.Brown, 15);
 
            p.StartCap = LineCap.SquareAnchor;
            p.EndCap = LineCap.SquareAnchor ;
            g.DrawLine(p,30, 30, Width-50, 30);
    }
  }


Pen Start Cap: Line Cap Triangle

  using System;
  using System.Drawing;
  using System.Drawing.Drawing2D;
  using System.Collections;
  using System.ruponentModel;
  using System.Windows.Forms;
  using System.Data;
  public class Form1 : System.Windows.Forms.Form
  {
    public Form1()
    {
      InitializeComponent();
      SetStyle(ControlStyles.ResizeRedraw, true);
    }
    private void InitializeComponent()
    {
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(211, 104);
      this.Text = "";
      this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
    }
    static void Main() 
    {
      Application.Run(new Form1());
    }
    private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
    {
            Graphics g = e.Graphics;
            Pen p = new Pen(Color.Brown, 15);
 
            p.StartCap = LineCap.Triangle;
            p.EndCap = LineCap.Triangle;
            g.DrawLine(p,30, 30, Width-50, 30);
    }
  }
Источник — «http://nfex.ru/index.php?title=Csharp/C_Sharp/2D_Graphics/Line_Cap&oldid=900»