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03.19.2008 at 12:51PM PDT, ID: 23254922
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4.2

Uploading image cropping area settings to server side aspx

Asked by prabhat_iit in Microsoft Visual C#.Net, C# Programming Language, Visual Studio

Tags: , , ,

Hi,

I tried to make an image cropper using http://www.defusion.org.uk/code/javascript-image-cropper-ui-using-prototype-scriptaculous

I have attached my code below.
 
I want to pass cropping coordinates from Javascript(COORDS) to ASP.NET(cropArea).

But its not working , could anyone please help.Start Free Trial 
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<%@ Page Language="C#"%>
 
<%@ Import Namespace = "System"%>
<%@ Import Namespace = "System.IO"%>
<%@ Import Namespace = "System.Drawing"%>
<%@ Import Namespace = "System.Drawing.Imaging"%>
<%@ Import Namespace = "System.Drawing.Text"%>
<%@ Import Namespace = "System.Drawing.Drawing2D"%>
 
<script runat="server">
/*	Code for File Upload  button*/
    protected void Button1_Click(object sender, EventArgs e)
    {
        if (FileUpload1.HasFile)
           try {
              FileUpload1.SaveAs("C:\\wamp\\www\\SampleASP\\Upimag\\" + FileUpload1.FileName );
			  
			   
				   Bitmap bm = new Bitmap(FileUpload1.PostedFile.FileName);
				   bm.Save("C:\\wamp\\www\\SampleASP\\Upimag\\samsif.gif",ImageFormat.Gif);
           }
            catch (Exception ex) {
              Label1.Text = "ERROR: " + ex.Message.ToString(); 
            }
        else
        {
           Label1.Text = "You have not specified a file.";
        }
    }
	
/*	Code for Upload settings button*/
	   /* protected */ void Button2_Click(object sender, EventArgs e)
    {
	           try { 
			   System.Drawing.Rectangle cropArea = new System.Drawing.Rectangle();
			      Label2.Text ="received  ." + rect.Value +"  " + rect.Type;
				  cropArea = rect.Value;
					string inpath = Server.MapPath("Upimag/samsif.gif");
					string outpath = Server.MapPath("Upimag/1.Gif");
  					 Bitmap bmpImage = new Bitmap(inpath);
					  Bitmap bmpCrop = bmpImage.Clone(cropArea,bmpImage.PixelFormat);
   						bmpCrop.Save(outpath);
							
			}
            catch (Exception ex) {
			                   }
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server" ID="Head1">
	<link rel="stylesheet" type="text/css" href="style.css"/> 
      <script src="cropperlib/prototype.js" type="text/javascript"></script>  
   <script src="cropperlib/scriptaculous.js?load=builder,dragdrop" type="text/javascript"></script>
  <script src="cropperlib/cropper.js" type="text/javascript"></script>
  
  <script type="text/javascript" src="upload.js"></script>
 
  <link rel="stylesheet" type="text/css" href="./cropperlib/debug.css"  />
  
    <title>FileUpload Server Control</title>
</head>
<body class="ctrl"><div  id="container">
  
<div id="header">
<h1> Upload and mark an Instruction image for split Settings</h1>
    <form id="form1" method="post" runat="server" enctype="multipart/form-data">
        <asp:FileUpload ID="FileUpload1" runat="server" />
        <p>
        <asp:Button ID="Button1" runat="server" Text="Upload"   OnClick="Button1_Click" /></p>
         <p>        <asp:Label ID="Label1" runat="server"></asp:Label></p>       
      <!--  Upload Settings button-->
                 <input type="hidden" id="rect" NAME="rect" runat="server"  />
           <p >   <asp:Button ID="Button2" runat="server" Text="Upload Settings"   OnClick="Button2_Click"  /></p>
 
            <p>        <asp:Label ID="Label2" runat="server"></asp:Label></p>
    </form>
    <!--FORM1 for file and Split setting upload-->
 
    <div id="report"> 
      <p>    <label for="x1">x1:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</label>    <input type="text" name="x1" id="x1" />  
     		 <label for="y1">y1:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</label>    <input type="text" name="y1" id="y1" />  </p>
      
  <p>    <label for="x2">x2:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</label>    <input type="text" name="x2" id="x2" /> 
     	 <label for="y2">y2:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</label>    <input type="text" name="y2" id="y2" />  </p>
  <p>    <label for="width">width:</label>    <input type="text" name="width" id="width" />  
    	 <label for="height">height:</label>      <input type="text" name="height" id="height" />  </p> 
  </div> <%--//Report Div Closes--%>
    </div> <!--Header Div Closes-->
        <div id="rightpan"> <!--To display block of splitted images-->    
  <!--  <img class="imgsplit"   src=""/>-->     
    </div>
    
<div id="testWrap">  <!-- TO display instruction image-->
      <img src="Upimag/samsif.gif" id="testImage"/> 
    </div>
 
 
    </div>
    <script type="text/javascript" charset="utf-8">
    
    // setup the callback function
    function onEndCrop( coords, dimensions ) {
      $( 'x1' ).value = coords.x1;
      $( 'y1' ).value = coords.y1;
      $( 'x2' ).value = coords.x2;
      $( 'y2' ).value = coords.y2;
      $( 'width' ).value = dimensions.width;
      $( 'height' ).value = dimensions.height;
    }
    
    // basic example
    Event.observe( 
      window, 
      'load', 
      function() { 
        new Cropper.Img( 
          'testImage',
          {
            onEndCrop: onEndCrop,
            displayOnInit: true,
            onloadCoords: { x1: 10, y1: 10, x2: 250, y2: 100 }
          }
        ) 
      }
    );     
    
    
    if( typeof(dump) != 'function' ) {
      Debug.init(true, '/');
      
      function dump( msg ) {
        Debug.raise( msg );
      };
    } else dump( '---------------------------------------\n' );
	
    document.getElementById('rect').value = coords;
   
  </script>
</body>
</html>
 
Keywords: Uploading image cropping area settings…
Title
1 Crop an image
2 Error in Cropping & Resize Image
3 Crop image in a circle shape
4 Cropping Image Issue
5 Cropping an Image
6 Image Cropping
 
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[+][-]03.19.2008 at 04:31PM PDT, ID: 21166942

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[+][-]03.19.2008 at 08:08PM PDT, ID: 21167965

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[+][-]03.19.2008 at 10:41PM PDT, ID: 21168606

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[+][-]03.20.2008 at 08:23AM PDT, ID: 21172449

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[+][-]03.20.2008 at 08:39AM PDT, ID: 21172631

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About this solution

Zones: Microsoft Visual C#.Net, C# Programming Language, Visual Studio
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Solution Provided By: mostwired
Participating Experts: 1
Solution Grade: B
 
 
 
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