picture size

[Robert Brenstein]

Is there a simple way to get the pixel sizes of images (jpeg and gif) 
in Metacard? In HyperCard, I use the picture command to open them 
invisibly (this is important), then fetch the size. The picture 
command does not seem to be part of MetaCard.

picture (fPath & fName),,,false
get pictureheight of window fName
get picturewidth of window fName
close window fName

Robert Brenstein