public
bool GetThumbImg()
{
try
{
string imgpath;
if
(imgsourceurl.IndexOf("\",0)<0)
{
imgpath = HttpContext.Current.Server.MapPath(imgsourceurl);
}
else
{
imgpath=imgsourceurl;
}
System.Drawing.Image sourceImage = System.Drawing.Image.FromFile(imgpath);
int width = sourceImage.Width;
int height = sourceImage.Height;
if
(thumbwidth <= 0)
{
thumbwidth = 120;
}
if
(thumbwidth >= width)
{
return
false;
}
else
{
(thumbwidth,thHeight*thumbwidth/thWidth,null,IntPtr.Zero);
Image imgThumb=
new
System.Drawing.Bitmap(thumbwidth,height*thumbwidth/width);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(imgThumb);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.DrawImage(sourceImage,
new
Rectangle(0, 0, thumbwidth,height*thumbwidth/width), 0, 0, width, height, GraphicsUnit.Pixel);
string thumbpath=
""
;
sourceImage.Dispose();
if
(thumburl==
""
)
{
thumbpath=imgpath;
}
if
(thumbpath.IndexOf("\",0)<0)
{
thumbpath=HttpContext.Current.Server.MapPath(thumburl);
}
imgThumb.Save(thumbpath,ImageFormat.Jpeg);
imgThumb.Dispose();
return
true;
}
}
catch
{
throw
;
}
}