public static Stream CreateResizedImageFile(Stream originalStream, string ext, double x, double y, double q, string contentType)
{
return(ImageResizer.CreateResizedImageFile(originalStream, x, y, q, getImageFormat(contentType)));
}
void IHttpHandler.ProcessRequest(HttpContext context)
{
Stream imageStream;
BinaryData binaryData;
var propNameParam = context.Request.QueryString["NodeProperty"];
var propertyName = string.Empty;
var widthParam = context.Request.QueryString["width"];
var heightParam = context.Request.QueryString["height"];
if (!string.IsNullOrEmpty(propNameParam))
{
propertyName = propNameParam.Replace("$", "#");
binaryData = this.GetBinary(propertyName);
}
else
{
binaryData = this.Binary;
}
if (DocumentPreviewProvider.Current != null && DocumentPreviewProvider.Current.IsPreviewOrThumbnailImage(NodeHead.Get(this.Id)))
{
// get preview image with watermark or redaction if necessary
imageStream = string.IsNullOrEmpty(propertyName)
? DocumentPreviewProvider.Current.GetRestrictedImage(this)
: DocumentPreviewProvider.Current.GetRestrictedImage(this, propertyName);
}
else
{
imageStream = binaryData.GetStream();
}
//set compressed encoding if necessary
if (MimeTable.IsCompressedType(this.Extension))
{
context.Response.Headers.Add("Content-Encoding", "gzip");
}
context.Response.ContentType = binaryData.ContentType;
imageStream.Position = 0;
if (!string.IsNullOrEmpty(widthParam) && !string.IsNullOrEmpty(heightParam))
{
int width;
int height;
if (!int.TryParse(widthParam, out width))
{
width = 200;
}
if (!int.TryParse(heightParam, out height))
{
height = 200;
}
// compute a new, resized stream on-the-fly
using (var resizedStream = ImageResizer.CreateResizedImageFile(imageStream, width, height, 80, getImageFormat(binaryData.ContentType)))
{
resizedStream.CopyTo(context.Response.OutputStream);
}
}
else
{
imageStream.CopyTo(context.Response.OutputStream);
}
imageStream.Close();
}
public Stream GetDynamicThumbnailStream(int width, int height, string contentType)
{
return(ImageResizer.CreateResizedImageFile(Binary.GetStream(), width, height, 80, getImageFormat(contentType)));
}