A Dimarts, 30 de març de 2010, Phil Endecott va escriure: > Albert Astals Cid wrote: > >> One aspect that I'm uncertain about is how to use the dict lookup > >> method. My understanding was that it takes a pointer to an object as > >> the second parameter and copies the retrieved object there, and also > >> returns a pointer to same object on success, or returns NULL on > >> failure. But this doesn't seem to be the case on failure. How am I > >> supposed to use this? > > > > Check if the object is null (Object::isNull()) > > Thanks Albert, that works. > > In the unlikely event that anyone else ever needs to extract the > geolocation info from a GeoPDF (TerraGo format) and inject it into a > TIFF to make a GeoTIFF, my code is at > http://svn.chezphil.org/geopdf/trunk/ ; see e.g. the README for details. > > > While looking at this I noted that these map PDFs have layers, which > could be useful to me at some point in the future. I don't see any > support for turning layers on and off in the poppler API. Am I missing > something, or is this not (yet) supported?
With layers you mean OCG? Albert > > > Thanks, Phil. > > > > > > > > _______________________________________________ > poppler mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/poppler _______________________________________________ poppler mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/poppler
