On Wed, Mar 2, 2011 at 9:22 AM, Hans van der Meer <[email protected]> wrote: > > On 2 mrt 2011, at 07:05, Wolfgang Schuster wrote: > > Am 01.03.2011 um 21:59 schrieb Hans van der Meer: > > Wolfgang, > > Replying directly to your address because the message body is too large. > Pictures are pixel images of DVB subtitles from telvision broadcast, in case > youre wondering. > > Why don’t you create a real font for this, this will create smaller files > and you can use it with other programs. > > That is beside the point. The problem is not the drawing of letters, but the > extraction of pixel data from a Transport Stream packets. The specification > of the DVB-subtitles mentions two variants: (1) string of characters, (2) > pixel colorvalues to be looked up in a 16-value CLUT. The stream I have at > hand consists of pixel data in a 720x36 rectangle. Furthermore different > broadcast stations use different lettertypes. Of course it would be nice if > I could simply extract the letters, but for the moment this surpasses my > abilities. perhaps leptonica can help here .
-- luigi ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : [email protected] / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________
