/// <summary>
/// Releases bitmap resources.
/// </summary>
public void Dispose()
{
Thumbnail.Dispose();
Bitmap.Dispose();
GC.SuppressFinalize(this);
}
public void Dispose()
{
if (!disposed)
{
disposed = true;
Thumbnail.Dispose();
}
}
private void Dispose(bool disposing)
{
if (disposing)
{
if (Thumbnail != null)
{
Thumbnail.Dispose();
Thumbnail = null;
}
}
}
public void Dispose()
{
if (baseImage != null)
{
baseImage.Dispose();
}
if (baseImageEncoded != null)
{
baseImageEncoded.Dispose();
}
Thumbnail.Dispose();
}
public static string viewAsThumbnails(string path, int thumbWidth, int thumbHeight, string key, string id)
{
if (path.Trim().Length == 0 || path.Trim() == "")
{
return(string.Empty);
}
try
{
System.Web.HttpContext context = System.Web.HttpContext.Current;
string urlThumb = Globals.UrlData + "Gallery/";
string thumbDir = context.Server.MapPath(urlThumb);
DirectoryInfo d = new DirectoryInfo(thumbDir);
if (d.Exists == false)
{
try
{
d.Create();
}
catch
{
return(Globals.UrlRoot + path);
}
}
string sFilename = context.Server.MapPath(Globals.UrlRoot + path);
FileInfo f = new FileInfo(sFilename);
string sThumbFile = thumbDir + "/" + key + "_" + id + "_" + f.Name;
string sRet = urlThumb + key + "_" + id + "_" + f.Name;
if (File.Exists(sThumbFile))
{
return(sRet);
}
string type = "";
if (path.ToLower().IndexOf("jpg") > -1 || path.ToLower().IndexOf("jpeg") > -1)
{
type = "jpg";
}
else if (path.ToLower().IndexOf("gif") > -1)
{
type = "gif";
}
else if (path.ToLower().IndexOf("bmp") > -1)
{
type = "bmp";
}
else
{
return(Globals.UrlRoot + path);
}
System.Drawing.Image Thumbnail;
System.Drawing.Image img2Scale = System.Drawing.Image.FromFile(sFilename);
System.Drawing.Image.GetThumbnailImageAbort cb = new System.Drawing.Image.GetThumbnailImageAbort(AbortThumbnailGeneration);
float wScale = (float)thumbWidth / img2Scale.Size.Width;
float hScale = (float)thumbHeight / img2Scale.Size.Height;
Size newsize = new Size(thumbWidth, thumbHeight);
if (wScale >= 1.0 && hScale >= 1.0)
{
newsize.Width = img2Scale.Size.Width;
newsize.Height = img2Scale.Size.Height;
}
else if (wScale < hScale)
{
//newsize.Width = size.Width;
newsize.Height = Convert.ToInt32(img2Scale.Size.Height * wScale);
}
else //wScale >= hScale
{
newsize.Width = Convert.ToInt32(img2Scale.Size.Width * hScale);
}
Thumbnail = img2Scale.GetThumbnailImage(newsize.Width, newsize.Height, cb, IntPtr.Zero);
switch (type)
{
case "jpg":
Thumbnail.Save(sThumbFile, System.Drawing.Imaging.ImageFormat.Jpeg);
break;
case "gif":
Thumbnail.Save(sThumbFile, System.Drawing.Imaging.ImageFormat.Gif);
break;
case "bmp":
Thumbnail.Save(sThumbFile, System.Drawing.Imaging.ImageFormat.Bmp);
break;
}
img2Scale.Dispose();
Thumbnail.Dispose();
return(sRet);
}
catch
{
return(string.Empty);
}
}
public void Dispose()
{
Thumbnail?.Dispose();
}