C#中的emf读入和存储

 
 

  
  using 
  
  System
  
  ;
 
 
 
 

  
  using 
  
  System.Collections.Generic
  
  ;
 
 
 
 

  
  using 
  
  System.Linq
  
  ;
 
 
 
 

  
  using 
  
  System.Text
  
  ;
 
 
 
 

  
  using 
  
  System.IO
  
  ;
 
 
 
 

  
  using 
  
  System.Drawing
  
  ;
 
 
 
 

  
  using 
  
  System.Threading.Tasks
  
  ;
 
 
 
 

  
  using 
  
  System.Drawing.Imaging
  
  ;
 
 
 
 

  
  using 
  
  System.Runtime.InteropServices
  
  ;
 
 
 
 

  
  

 
 
 
 

  
  static 
  
  void 
  
  Main
  
  (
  
  string
  
  [] 
  
  args
  
  )
 
 
 
 

  
  {
 
 
 
 
    
  
  RectangleF 
  
  dstRectF 
  
  = 
  
  new 
  
  RectangleF
  
  (
  
  0
  
  , 
  
  0
  
  , 
  
  673f
  
  , 
  
  360f
  
  );
 
 
 
 
    
  
  Bitmap 
  
  dummyBitmap 
  
  = 
  
  new 
  
  Bitmap
  
  (
  
  1
  
  , 
  
  1
  
  );
 
 
 
 
    
  
  Graphics 
  
  dummyGfx 
  
  = 
  
  Graphics
  
  .
  
  FromImage
  
  (
  
  dummyBitmap
  
  );
 
 
 
 
    
  
  IntPtr 
  
  hdc 
  
  = 
  
  dummyGfx
  
  .
  
  GetHdc
  
  ();
 
 
 
 

  
  

 
 
 
 
    
  
  MemoryStream 
  
  msOut 
  
  = 
  
  new 
  
  MemoryStream
  
  ();
 
 
 
 
    
  
  Metafile 
  
  metafile 
  
  = 
  
  new 
  
  Metafile
  
  (
  
  msOut
  
  , 
  
  hdc
  
  , 
  
  dstRectF
  
  , 
  
  MetafileFrameUnit
  
  .
  
  Pixel
  
  , 
  
  EmfType
  
  .
  
  EmfPlusDual
  
  );
 
 
 
 
    
  
  Graphics 
  
  g 
  
  = 
  
  Graphics
  
  .
  
  FromImage
  
  (
  
  metafile
  
  );
 
 
 
 

  
  

 
 
 
 

  
      string 
  
  path = "";
 
 
 
 
    
  
  byte
  
  [] 
  
  Data 
  
  = 
  
  SaveImage
  
  (
  
  path 
  
  +
  
  "\\image1.emf"
  
  );
 
 
 
 
    
  
  Stream 
  
  Ms 
  
  = 
  
  new 
  
  MemoryStream
  
  (
  
  Data
  
  );
 
 
 
 
    
  
  Image 
  
  Ima 
  
  = 
  
  Image
  
  .
  
  FromStream
  
  (
  
  Ms
  
  ,
  
  true
  
  );
 
 
 
 

  
  

 
 
 
 
    
  
  g
  
  .
  
  DrawImage
  
  (
  
  Ima
  
  , 
  
  dstRectF
  
  );
 
 
 
 
    
  
  g
  
  .
  
  Dispose
  
  ();
 
 
 
 

  
  

 
 
 
 
    
  
  msOut
  
  .
  
  Seek
  
  (
  
  0
  
  , 
  
  SeekOrigin
  
  .
  
  Begin
  
  );
 
 
 
 

  
  

 
 
 
 
    
  
  Image 
  
  img 
  
  = 
  
  Image
  
  .
  
  FromStream
  
  (
  
  msOut
  
  );
 
 
 
 

  
  

 
 
 
 
    
  
  img
  
  .
  
  Save
  
  (
  
  path 
  
  + 
  
  "\\Result.emf"
  
  , 
  
  ImageFormat
  
  .
  
  Emf
  
  );
 
 
 
 

  
  }