в 15:31, 26 мая 2010

2010-05-26T15:31:19Z

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2010-05-26T11:41:52Z

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==Draw Pyramid==

<source lang="csharp">
/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury,
Zach Greenvoss, Shripad Kulkarni, Neil Whitlow
Publisher: Peer Information
ISBN: 1861007663
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Drawing2D;
namespace Pyramid
{
/// <summary>
/// Summary description for Pyramid.
/// </summary>
public class Pyramid1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Button button1;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ruponentModel.Container components = null;
int rot = 0;
Point center = new Point(125, 100);
public Pyramid1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();

this.Text = "Pyramid by Transfomation";
//
// 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()
{
this.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(8, 8);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(48, 24);
this.button1.TabIndex = 0;
this.button1.Text = "Rotate";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// Pyramid
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 266);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.button1});
this.Name = "Pyramid";
this.Text = "Pyramid";
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Pyramid1());
}
protected override void OnPaint (System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.Clear(this.BackColor);

Pyramid(g);
//PyramidPathRotate(g);
g.Dispose();
}
protected void Pyramid(Graphics g)
{
Pen p = new Pen(Color.Blue);
int ten = 10;
Rectangle rc = new Rectangle(50, 90, 150, ten); // the base rectangle
g.DrawRectangle(p, rc);
for(int i = 1;i <= 7; i++)
{
rc.Offset(0,-ten);
rc.Inflate(-ten, 0);
g.DrawRectangle(p, rc);
}
p.Dispose();
}
private void button1_Click(object sender, System.EventArgs e)
{
// rot++; // rot is a class member
// PyramidPathRotate(CreateGraphics());
// Refresh();
}
protected void PyramidPathRotate(Graphics g)
{
GraphicsPath gP = new GraphicsPath(); // create an empty path
Pen p = new Pen(Color.Blue);
int ten = 10;
Rectangle rc = new Rectangle(50, 90, 150, ten); // the base rectangle
gP.AddRectangle(rc);
for(int i = 1;i <= 7; i++)
{
rc.Offset(0,-ten);
rc.Inflate(-ten,0);
gP.AddRectangle(rc);
}
Matrix m = new Matrix();
m.RotateAt(45*rot, center, MatrixOrder.Append);
gP.Transform(m);
g.DrawPath(p, gP); // draw the rotated path
g.FillEllipse(Brushes.Red, center.X, center.Y, 3, 3); // center point
p.Dispose();
}
}
}

</source>

==Scrolling Demo==

<source lang="csharp">
/*
Professional Windows GUI Programming Using C#
by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury,
Zach Greenvoss, Shripad Kulkarni, Neil Whitlow
Publisher: Peer Information
ISBN: 1861007663
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace Scrolling
{
/// <summary>
/// Summary description for Scrolling.
/// </summary>
public class Scrolling : System.Windows.Forms.Form
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ruponentModel.Container components = null;
public Scrolling()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
this.Text = "Scrolling";
this.Size = new Size(210, 290);
//
// 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()
{
//
// Scrolling
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(176, 254);
this.Name = "Scrolling";
this.Text = "Scrolling";
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Scrolling());
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics g;
g = Graphics.FromHwnd(this.Handle);
GraphicsUnit units = GraphicsUnit.Pixel;
string path = "MonetZsu.jpg";
Image im = Image.FromFile(path);
this.AutoScrollMinSize = new Size(im.Width, im.Height);
//this.AutoScroll = true;
Point P = this.AutoScrollPosition;
Rectangle dstR = this.ClientRectangle;
RectangleF srcR = new RectangleF(-P.X, -P.Y, dstR.Width, dstR.Height);
g.DrawImage(im, dstR, srcR, units);
g.Dispose();
}
}
}

</source>
<A href="http://www.nfex.ru/Code/CSharpDownload/P18_Scrolling.zip">P18_Scrolling.zip( 19 k)</a>

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Csharp/C Sharp/2D Graphics/Scrolling - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия