Direc­tory tex-archive/fonts/utilities/t1infos

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t1in­fos – Util­i­ties for PostScript fonts

There are here two lit­tle pro­grams writ­ten in C (us­ing t1lib) for scan­ning Type 1 fonts, and do­ing: – com­pute the ‘black area’ of each glyph, with how much per­cent of the square con­tain­ing the glyph is black, and – check­ing if the ‘ex­tremas’ (see Adobe Type 1 spec­i­fi­ca­tions) of the out­line are cor­rect, and tell which one are miss­ing.
There is also here a PostScript dic­tio­nary con­tain­ing three al­go­rithms for au­to­matic kern­ing (the kern­ing is com­puted ‘on the fly’ in­stead of be­ing pre-com­puted by ex­ter­nal soft­ware like TeX, groff or lout; very use­ful for some PostScript hack­ing). Two of these al­go­rithms are quite clas­si­cal; the third is orig­i­nal and is PostScript-op­ti­mized. The PostScript file in the dis­tri­bu­tion con­tains both demon­stra­tion code and the dic­tio­nary it­self.