///<summary>
/// Image Resize
///</summary>
///<param name="image">The image you want to resize</param>
///<param name="path">Path to store the image</param>
///<param name="fileName">Filename for the image</param>
///<param name="cell">WebGrid RowCell</param>
///<returns></returns>
///<exception cref="GridException"></exception>
public string Resize(System.Drawing.Image image, string path, string fileName, RowCell cell)
{
if (!string.IsNullOrEmpty(Directory))
{
path = Directory;
}
if (!string.IsNullOrEmpty(FileName))
{
fileName = FileName;
}
if (Width < 1)
{
throw new ArgumentException("Width is 0 or less");
}
if (Height < 1)
{
throw new ArgumentException("Height is 0 or less");
}
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentException("FileName is empty");
}
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException("Directory is empty");
}
if (image == null)
{
throw new ArgumentException("Image is null");
}
if (cell != null && cell.Row != null && fileName.Contains("["))
{
string tmp_file = fileName;
cell.Row.Columns.ForEach(delegate(Column column)
{
if (
tmp_file.IndexOf(string.Format("[{0}]", column.ColumnId),
StringComparison.OrdinalIgnoreCase) == -1)
{
return;
}
if (cell.Row[column.ColumnId].Value != null)
{
tmp_file =
tmp_file.Replace(string.Format("[{0}]", column.ColumnId),
cell.Row[column.ColumnId].Value.ToString());
}
else
{
tmp_file =
tmp_file.Replace(string.Format("[{0}]", column.ColumnId),
"");
}
});
fileName = tmp_file;
}
if (!string.IsNullOrEmpty(Path.GetExtension(fileName)))
{
fileName = fileName.Replace(Path.GetExtension(fileName), "");
}
string ret;
System.Drawing.Image bitMapImage = null;
try
{
if (CustomGraphics != null)
{
bitMapImage = new Bitmap(image.Width, image.Height, CustomGraphics);
CustomGraphics.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height));
}
else
{
bitMapImage = ResizeImage(image, Width, Height, KeepAspectRatio, EnlargeSmallerImages);
}
string file = UseFileName
? string.Format("{0}{1}{2}{3}.{4}", path, Prefix, fileName, Suffix, ImageFormat)
:
string.Format("{0}{1}{2}.{3}", path, Prefix, Suffix, ImageFormat);
if (System.IO.File.Exists(file))
{
System.IO.File.Delete(file);
}
bitMapImage.Save(file, ImageFormat);
ret = path + Prefix + fileName + Suffix;
}
catch (Exception ee)
{
throw new GridException(
string.Format("Error resizing image file: {0}",
string.Format("{0}{1}{2}{3}.{4}", path, Prefix, fileName, Suffix, ImageFormat)),
ee);
}
finally
{
if (bitMapImage != null)
{
bitMapImage.Dispose();
}
}
return(ret);
}