Image Resizer in C# RSS

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  ervipingupta

  Member

  17 Points

  75 Posts

  Image Resizer in C#

  Jun 24, 2009 12:42 PM|LINK

  Hello Friends ,

    i wanna make image resizer that resize image automatiically.but my code only make rectangle and it will make only sizes 200x200,300x300,100x100 in thin manner. I also want to make Image in square like 100x80,80x200,200x120,300x128 like this . but my coed make only Rectangle image but i want to make square image also .can anyone know about my problem how i resolve .

  Below is my Code:
  

  imageResize.cs

  using System;
  using System.Data;
  using System.Configuration;
  using System.Web;
  using System.Web.Security;
  using System.Web.UI;
  using System.Web.UI.WebControls;
  using System.Web.UI.WebControls.WebParts;
  using System.Web.UI.HtmlControls;
  using System;
  using System.Drawing;
  using System.Drawing.Imaging;
  using System.IO;
  using System.Drawing.Drawing2D;
  
  namespace Testweb
  {
   public class imageResize
      {
          public static byte[] ResizeFromByteArray(int MaxSideSize,Byte[] byteArrayIn, string fileName)
          {
              
              byte[] byteArray = null;  // really make this an error gif
              MemoryStream ms = new MemoryStream(byteArrayIn);
              byteArray = imageResize.ResizeFromStream(MaxSideSize,ms,fileName);
  
              return byteArray;
          }
  
       public static byte[] ResizeFromStream(int MaxSideSize,Stream Buffer, string fileName)
          {
              byte[] byteArray = null;  // really make this an error gif
  
              try
              {
                  Bitmap bitMap = new Bitmap(Buffer);
                  int intOldWidth = bitMap.Width;
                  int intOldHeight = bitMap.Height;
  
                  int intNewWidth;
                  int intNewHeight;
                  int intMaxSide;
  
                  if (intOldWidth >= intOldHeight)
                  {
                      intMaxSide = intOldWidth;
                  }
                  else
                  {
                      intMaxSide = intOldHeight;
                  }
  
                  if (intMaxSide > MaxSideSize)
                  {
                 //set new width and height                    
                      double dblCoef = MaxSideSize / (double)intMaxSide;
                      intNewWidth = Convert.ToInt32(dblCoef * intOldWidth);
                      intNewHeight = Convert.ToInt32(dblCoef * intOldHeight);
              }
              else
              {
  
                      intNewWidth = intOldWidth;
                      intNewHeight = intOldHeight;
                  }
  
                  Size ThumbNailSize = new Size(intNewWidth, intNewHeight);
                  System.Drawing.Image oImg = System.Drawing.Image.FromStream(Buffer);
                  System.Drawing.Image oThumbNail = new Bitmap (ThumbNailSize.Width, ThumbNailSize.Height);               
                  Graphics oGraphic = Graphics.FromImage(oThumbNail);
                  oGraphic.CompositingQuality = CompositingQuality.HighQuality;
                  oGraphic.SmoothingMode = SmoothingMode.HighQuality;
                  oGraphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
                  Rectangle oRectangle = new Rectangle
                      (0, 0, ThumbNailSize.Width, ThumbNailSize.Height);
  
                  oGraphic.DrawImage(oImg, oRectangle);
  
                  MemoryStream ms = new MemoryStream();
                  oThumbNail.Save(ms, ImageFormat.Jpeg);
                  byteArray = new byte[ms.Length];
                  ms.Position = 0;
                  ms.Read(byteArray, 0, Convert.ToInt32(ms.Length));
                  oGraphic.Dispose();
                  oImg.Dispose();
                  ms.Close();
                  ms.Dispose();
              }
              catch (Exception)
              {
                  int newSize = MaxSideSize-20;
                  Bitmap bitMap = new Bitmap(newSize, newSize);
                  Graphics g = Graphics.FromImage(bitMap);
                  g.FillRectangle(new SolidBrush(Color.Gray), new Rectangle(0,0, newSize, newSize));
  
                  Font font = new Font("Courier", 8);
                  SolidBrush solidBrush = new SolidBrush(Color.Red);
                  g.DrawString("Failed File", font, solidBrush, 10, 5);
                  g.DrawString(fileName, font, solidBrush, 10, 50);
  
                  MemoryStream ms = new MemoryStream();
                  bitMap.Save(ms, ImageFormat.Jpeg);
                  byteArray = new byte[ms.Length];
                  ms.Position = 0;
                  ms.Read(byteArray, 0, Convert.ToInt32(ms.Length));
  
                  ms.Close();
                  ms.Dispose();
                  bitMap.Dispose();
                  solidBrush.Dispose();
                  g.Dispose();
                  font.Dispose();
  
              }
              return byteArray;
          }
  
          /// <summary>
          /// Saves the resized image to specified file name and path as JPEG
          /// and also returns the bytearray for any other use you may need it for
          /// </summary>
          /// <param name="MaxSideSize"></param>
          /// <param name="Buffer"></param>
          /// <param name="fileName">No Extension</param>
          /// <param name="filePath">Examples: "images/dir1/dir2" or "images" or "images/dir1"</param>
          
          public static byte[] SaveFromStream(int MaxSideSize, Stream Buffer, string fileName, string filePath)
          {
              byte[] byteArray = null;  // really make this an error gif
  
              try
              {
                  Bitmap bitMap = new Bitmap(Buffer);
                  int intOldWidth = bitMap.Width;
                  int intOldHeight = bitMap.Height;
  
                  int intNewWidth;
                  int intNewHeight;
                  int intMaxSide;
  
                  if (intOldWidth >= intOldHeight)
                  {
                      intMaxSide = intOldWidth;
                  }
                  else
                  {
                      intMaxSide = intOldHeight;
                  }
  
                  if (intMaxSide > MaxSideSize)
                  {
                      //set new width and height
                      double dblCoef = MaxSideSize / (double)intMaxSide;
                      intNewWidth = Convert.ToInt32(dblCoef * intOldWidth);
                      intNewHeight = Convert.ToInt32(dblCoef * intOldHeight);
                  }
                  else
                  {
                      intNewWidth = intOldWidth;
                      intNewHeight = intOldHeight;
                  }
  
                  Size ThumbNailSize = new Size(intNewWidth, intNewHeight);
                  System.Drawing.Image oImg = System.Drawing.Image.FromStream(Buffer);
                  System.Drawing.Image oThumbNail = new Bitmap(ThumbNailSize.Width, ThumbNailSize.Height);
  
                  Graphics oGraphic = Graphics.FromImage(oThumbNail);
                  oGraphic.CompositingQuality = CompositingQuality.HighQuality;
                  oGraphic.SmoothingMode = SmoothingMode.HighQuality;
                  oGraphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
                  Rectangle oRectangle = new Rectangle
                      (0, 0, ThumbNailSize.Width, ThumbNailSize.Height);
  
                  oGraphic.DrawImage(oImg, oRectangle);
  
                  //Save File
                  string newFileName = string.Format(System.Web.HttpContext.Current.Server.MapPath("~/{0}*{1}.jpg"), filePath, fileName);
                  oThumbNail.Save(newFileName, ImageFormat.Jpeg);
  
                  MemoryStream ms = new MemoryStream();
                  oThumbNail.Save(ms, ImageFormat.Jpeg);
                  byteArray = new byte[ms.Length];
                  ms.Position = 0;
                  ms.Read(byteArray, 0, Convert.ToInt32(ms.Length));
  
                  oGraphic.Dispose();
                  oImg.Dispose();
                  ms.Close();
                  ms.Dispose();
              }
              catch (Exception)
              {                
                  int newSize = MaxSideSize - 20;
                  Bitmap bitMap = new Bitmap(newSize, newSize);
                  Graphics g = Graphics.FromImage(bitMap);
                  g.FillRectangle(new SolidBrush(Color.Gray), new Rectangle(0, 0, newSize, newSize));
  
                  Font font = new Font("Courier", 8);
                  SolidBrush solidBrush = new SolidBrush(Color.Red);
                  g.DrawString("Failed To Save File or Failed File", font, solidBrush, 10, 5);
                  g.DrawString(fileName, font, solidBrush, 10, 50);
  
                  MemoryStream ms = new MemoryStream();
                  bitMap.Save(ms, ImageFormat.Jpeg);
                  byteArray = new byte[ms.Length];
                  ms.Position = 0;
                  ms.Read(byteArray, 0, Convert.ToInt32(ms.Length));
  
                  ms.Close();
                  ms.Dispose();
                  bitMap.Dispose();
                  solidBrush.Dispose();
                  g.Dispose();
                  font.Dispose();
  
              }
              return byteArray;
          }
      }
  }

  
  

  Default.aspx

  byte[] imgNew;  
  

  imgNew = imageResize.ResizeFromStream(110, FileUpload1.PostedFile.InputStream, FileUpload1.PostedFile.FileName);
  
              Response.BinaryWrite(imgNew);
              byte[] imgNewSave;
              imgNewSave = imageResize.SaveFromStream(110, FileUpload1.PostedFile.InputStream, "newPicFromResize", "images");

  
  

  Please help , it is urgent .

  
  

  Thanx in Advance

  Vipin
  

  • Moved by SGWellens on Jun 24, 2009 01:09 PM
• • Reply
  

  chintanpshah

  All-Star

  19058 Points

  3273 Posts

  Re: Image Resizer in C#

  Jun 24, 2009 01:49 PM|LINK

  Use one of these:

  http://www.codeproject.com/KB/web-image/pnguploader.aspx

  http://www.4guysfromrolla.com/articles/012203-1.aspx

  http://nathanaeljones.com/products/asp-net-image-resizer/

  http://forums.asp.net/p/1433920/3229333.aspx

  Don't forget to mark as answer, if it helps
  
  My Software Website
  • Marked as answer by Nai-Dong Jin - MSFT on Jun 25, 2009 04:49 AM
• • Reply
  

  ervipingupta

  Member

  17 Points

  75 Posts

  Re: Image Resizer in C#

  Jun 25, 2009 12:24 PM|LINK

    Hi Friend,

  http://www.codeproject.com/KB/web-image/pnguploader.aspx

  Thanks for the reply ,i got the link that you send me for image resizer and it work well. but i have still one problem if i am use this code for Animated gif image then it will not work and only one  frame is resize and animation is destroyed. how can i use this code for animated image  and resize the Animated gif image ans also i want to resize image in bulk .can you send me anything that helpful for me

  Thanks in Advance again

  Vipin
  

  • Edited by ervipingupta on Jun 25, 2009 01:10 PM
• • Reply
  

  chintanpshah

  All-Star

  19058 Points

  3273 Posts

  Re: Image Resizer in C#

  Jun 25, 2009 01:05 PM|LINK

  Refer to:

  http://stackoverflow.com/questions/539034/how-to-copy-an-animated-gif-image-using-c

  http://www.codeproject.com/KB/GDI-plus/NGif.aspx

  Third Party:

  http://www.atalasoft.com/kb/article.aspx?id=10086

  http://www.aspjpeg.com/manual_09.html

  Don't forget to mark as answer, if it helps
  
  My Software Website
• • Reply
  

  ervipingupta

  Member

  17 Points

  75 Posts

  Re: Image Resizer in C#

  Jun 26, 2009 05:16 AM|LINK

  Hi Friend,

     My problem is not resolve for resize a animated image .can you have any code for doing  this.These links is not helpful for me that you send me for animated image resize .

  please Help me

  Thanks in advance

  Vipin
  

  
  

• • Reply
  

  ervipingupta

  Member

  17 Points

  75 Posts

  Re: Image Resizer in C#

  Jul 01, 2009 06:55 AM|LINK

  Hi, Can you told me how i resize the Animated image  in C# without lost any  frames of animated image if you have any code fro doing this , then share with me or suggest me how i acheive this

  
  

  Regards

  vipin
  

• • Reply
  

  ervipingupta

  Member

  17 Points

  75 Posts

  Re: Image Resizer in C#

  Jul 06, 2009 05:37 AM|LINK

  Hi friend,

     Can you told me how i resize the animated image without lost its frams and animation.Previously you send me some links but this was not helpful for me .so , can you told em that how i resize the animated image .

  Thanks in Advance

  Vipin