C#简单绘图软件图形的平移旋转缩放，橡皮拉伸

C#简单绘图软件,图形的平移旋转缩放，橡皮拉伸

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;

namespace WindowsFormsApplication22
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            InitializeComponent（）;
            this.skinEngine1.SkinFile = “office2007.ssk“;
            ////////////////////////////////////////////
            matrix = new float[]
           {
            {Cos     Sin    0}
            {-Sin    Cos    0}
            {PanX    PanY   1}
           };
        }
        string shape;//所画图形
        bool ismousedown = false;//鼠标是否按下
        bool ismouseleft = false;
        Graph

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件     516096  2006-08-18 11:50  WindowsFormsApplication22\WindowsFormsApplication22\bin\Debug\IrisSkin2.dll

     文件      16430  2006-12-18 21:02  WindowsFormsApplication22\WindowsFormsApplication22\bin\Debug\office2007.ssk

     文件     187904  2010-07-11 13:04  WindowsFormsApplication22\WindowsFormsApplication22\bin\Debug\WindowsFormsApplication22.exe

     文件      44544  2010-07-11 13:04  WindowsFormsApplication22\WindowsFormsApplication22\bin\Debug\WindowsFormsApplication22.pdb

     文件      14328  2010-07-23 09:09  WindowsFormsApplication22\WindowsFormsApplication22\bin\Debug\WindowsFormsApplication22.vshost.exe

     文件        490  2009-06-11 05:14  WindowsFormsApplication22\WindowsFormsApplication22\bin\Debug\WindowsFormsApplication22.vshost.exe.manifest

     文件      28091  2010-07-11 13:04  WindowsFormsApplication22\WindowsFormsApplication22\Form1.cs

     文件      15870  2010-07-10 20:54  WindowsFormsApplication22\WindowsFormsApplication22\Form1.Designer.cs

     文件     249499  2010-07-10 20:54  WindowsFormsApplication22\WindowsFormsApplication22\Form1.resx

     文件       5707  2010-07-08 18:19  WindowsFormsApplication22\WindowsFormsApplication22\obj\Debug\ResolveAssemblyReference.cache

     文件       2244  2010-07-23 09:09  WindowsFormsApplication22\WindowsFormsApplication22\obj\Debug\WindowsFormsApplication22.csproj.FileListAbsolute.txt

     文件        847  2010-07-10 20:54  WindowsFormsApplication22\WindowsFormsApplication22\obj\Debug\WindowsFormsApplication22.csproj.GenerateResource.Cache

     文件     187904  2010-07-11 13:04  WindowsFormsApplication22\WindowsFormsApplication22\obj\Debug\WindowsFormsApplication22.exe

     文件     162428  2010-07-10 20:54  WindowsFormsApplication22\WindowsFormsApplication22\obj\Debug\WindowsFormsApplication22.Form1.resources

     文件      44544  2010-07-11 13:04  WindowsFormsApplication22\WindowsFormsApplication22\obj\Debug\WindowsFormsApplication22.pdb

     文件        180  2010-07-08 18:19  WindowsFormsApplication22\WindowsFormsApplication22\obj\Debug\WindowsFormsApplication22.Properties.Resources.resources

     文件        506  2010-07-05 09:42  WindowsFormsApplication22\WindowsFormsApplication22\Program.cs

     文件       1382  2010-07-05 09:42  WindowsFormsApplication22\WindowsFormsApplication22\Properties\AssemblyInfo.cs

     文件       2900  2010-07-05 09:42  WindowsFormsApplication22\WindowsFormsApplication22\Properties\Resources.Designer.cs

     文件       5612  2010-07-05 09:42  WindowsFormsApplication22\WindowsFormsApplication22\Properties\Resources.resx

     文件       1110  2010-07-05 09:42  WindowsFormsApplication22\WindowsFormsApplication22\Properties\Settings.Designer.cs

     文件        249  2010-07-05 09:42  WindowsFormsApplication22\WindowsFormsApplication22\Properties\Settings.settings

     文件       3945  2010-07-08 18:19  WindowsFormsApplication22\WindowsFormsApplication22\WindowsFormsApplication22.csproj

     文件        965  2010-07-05 09:42  WindowsFormsApplication22\WindowsFormsApplication22.sln

    ..A..H.     22528  2010-07-23 09:15  WindowsFormsApplication22\WindowsFormsApplication22.suo

     目录          0  2010-07-05 09:42  WindowsFormsApplication22\WindowsFormsApplication22\obj\Debug\TempPE

     目录          0  2010-07-23 09:01  WindowsFormsApplication22\WindowsFormsApplication22\bin\Debug

     目录          0  2010-07-11 13:04  WindowsFormsApplication22\WindowsFormsApplication22\obj\Debug

     目录          0  2010-07-08 17:53  WindowsFormsApplication22\WindowsFormsApplication22\bin

     目录          0  2010-07-05 09:42  WindowsFormsApplication22\WindowsFormsApplication22\obj

............此处省略6个文件信息