C# 이미지 잘라내기 및 축소의 예

 
  
  public void CutToF(Stream stream) 
  
            { 
  
                Image initImage = Image.FromStream(stream, true); 
  
                if (initImage.Width <= 480 && initImage.Height <= 480) 
  
                { 
  
                    initImage.Save("D://test.jpg", ImageFormat.Jpeg); 
  
                } 
  
                else 
  
                { 
  
                    int initWidth = initImage.Width; 
  
                    int initHeight = initImage.Height; 
  
                    if (initWidth != initHeight) 
  
                    { 
  
                        Image pickedImage = null; 
  
                        Graphics pickedG = null; 
  
                        if (initWidth > initHeight) 
  
                        { 
  
                            pickedImage = new Bitmap(initHeight, initHeight); 
  
                            pickedG = Graphics.FromImage(pickedImage); 
  
                            pickedG.InterpolationMode = InterpolationMode.HighQualityBicubic; 
  
                            pickedG.SmoothingMode = SmoothingMode.HighQuality; 
  
                            Rectangle fromR = new Rectangle(0, 0, initHeight, initHeight);//(initWidth - initHeight) / 2 
  
                            Rectangle toR = new Rectangle(0, 0, initHeight, initHeight); 
  
                            pickedG.DrawImage(initImage, fromR); 
  
                            pickedImage.Save("D://jpg//test2.jpg"); 
  
                            initWidth = initHeight; 
  
                        } 
  
                        initImage = (Image)pickedImage.Clone(); 
  
                        pickedG.Dispose(); 
  
                        pickedImage.Dispose(); 
  
                        initImage.Save("D://jpg//test1.jpg"); 
  
 
  
                    } 
  
                    Image resultImage = new Bitmap(150, 150); 
  
                    Graphics resultG = Graphics.FromImage(resultImage); 
  
                    resultG.InterpolationMode = InterpolationMode.HighQualityBicubic; 
  
                    resultG.SmoothingMode = SmoothingMode.HighQuality; 
  
                    resultG.Clear(Color.White); 
  
                    resultG.DrawImage(initImage, new Rectangle(0, 0, 100, 100), new Rectangle(0, 0, initWidth, initHeight), GraphicsUnit.Pixel); 
   
  
                    ImageCodecInfo[] icis = ImageCodecInfo.GetImageEncoders();
                    ImageCodecInfo ici = null;
                    foreach (ImageCodecInfo item in icis)
                    {
                        if (item.MimeType == "image/jpeg" || item.MimeType == "image/bmp" || item.MimeType == "image/png" || item.MimeType =="image/gif")
                        {
                            ici = item;
                        }
                    }
                    EncoderParameters ep = new System.Drawing.Imaging.EncoderParameters(1);
                    ep.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, (long)100);
                    resultImage.Save("D://jpg//test.jpg", ici, ep);
                    ep.Dispose();
                    resultG.Dispose();
                    resultImage.Dispose();
                    initImage.Dispose();
                }
            }