public static FileFormat GetFileFormatNoUnknown(FilePath imageFilePath, IStringlyTypedPathOperator stringlyTypedPathOperator)
{
var fileFormat = ImageFileFormatOperator.GetFileFormatAllowUnknown(imageFilePath, stringlyTypedPathOperator);
if (fileFormat == FileFormat.Unknown)
{
var fileExtension = stringlyTypedPathOperator.GetFileExtension(imageFilePath.Value);
var message = EnumerationHelper.UnrecognizedEnumerationValueMessage <FileFormat>(fileExtension);
throw new Exception(message);
}
return(fileFormat);
}
public static FileFormat GetFileFormatAllowUnknown(FilePath imageFilePath, IStringlyTypedPathOperator stringlyTypedPathOperator)
{
var fileExtension = stringlyTypedPathOperator.GetFileExtension(imageFilePath.Value);
var loweredFileExtension = fileExtension.ToLowerInvariant();
switch (loweredFileExtension)
{
case FileExtensions.Bitmap:
return(FileFormat.Bitmap);
case FileExtensions.Jpg:
case FileExtensions.Jpeg:
return(FileFormat.Jpg);
case FileExtensions.Png:
return(FileFormat.Png);
default:
return(FileFormat.Unknown);
}
}
