Windows Metafile Formats (WMF and EMF)
The Windows Metafile (WMF and EMF) formats are vector formats that may or may not also contain a raster image.
EMF/WMF Vector files can be read as raster images.
For WMF and EMF files, you can read the following bits per pixel: 8, 24.
Note: EMF is supported only in WIN32.