Mega Code Archive

 

Categories / C# / 2D Graphics

 

Enumerate Metafile

using System; using System.Drawing; using System.Drawing.Imaging; using System.IO; using System.Runtime.InteropServices; using System.Windows.Forms;     class EnumMetafile: Form {      Metafile     mf;      Panel        panel = new Panel();          public static void Main()      {           Application.Run(new EnumMetafile());      }      public EnumMetafile()      {           Splitter splitter = new Splitter();           splitter.Parent = this;           splitter.Dock = DockStyle.Left; // Right;               panel.Parent = this;           panel.Dock = DockStyle.Left;           panel.Paint += new PaintEventHandler(PanelOnPaint);               Menu = new MainMenu();           Menu.MenuItems.Add("&Open!", new EventHandler(MenuOpenOnClick));      }      void MenuOpenOnClick(object obj, EventArgs ea)      {           OpenFileDialog dlg = new OpenFileDialog();           dlg.Filter = "All Metafiles|*.wmf;*.emf|" +                        "Windows Metafile (*.wmf)|*.wmf|" +                        "Enhanced Metafile (*.emf)|*.emf";               if (dlg.ShowDialog() == DialogResult.OK)           {                mf = new Metafile(dlg.FileName);                panel.Invalidate();                    Graphics grfx = CreateGraphics();                    grfx.EnumerateMetafile(mf, new Point(0, 0),                      new Graphics.EnumerateMetafileProc(EnumMetafileProc));                    grfx.Dispose();           }      }      bool EnumMetafileProc(EmfPlusRecordType eprt, int iFlags,                            int iDataSize, IntPtr ipData,                             PlayRecordCallback prc)      {           if (iDataSize > 0)           {                byte[] abyData = new Byte[iDataSize];                Marshal.Copy(ipData, abyData, 0, iDataSize);                    foreach (byte by in abyData)                     Console.WriteLine(" {0:X2}", by);           }           return true;      }      void PanelOnPaint(object obj, PaintEventArgs pea)      {           Panel    panel = (Panel) obj;           Graphics grfx  = pea.Graphics;               if (mf != null)                grfx.DrawImage(mf, 0, 0);      } }