Extracting vector graphics (lines and points) with pdfclown -


i want extract vector graphics (lines , points) out of pdf pdfclown. have tried wrap head around graphics sample cannot figure out how object model works this. please can explain relationships?

you right: till pdf clown 0.1 series, high-level path modelling not implemented (it have been derived contentscanner.graphicswrapper).

next release (0.2 series, due next month) will support high-level representation of graphics contents, including path objects (pathelement), through new contentmodeller. here example:

import org.pdfclown.documents.contents.elements.contentmodeller; import org.pdfclown.documents.contents.elements.graphicselement; import org.pdfclown.documents.contents.elements.pathelement; import org.pdfclown.documents.contents.objects.path;  import java.awt.geom.generalpath;  for(graphicselement<?> element : contentmodeller.model(page, path.class)) {   pathelement pathelement = (pathelement)element;   list<contentmarker> markers = pathelement.getmarkers();   pathelement.getbox();   generalpath getpath = pathelement.getpath();   pathelement.isfilled();   pathelement.isstroked(); }

in meantime, can extract low-level representation of vector graphics iterating content stream through contentscanner suggested in contentscanningsample (available in downloadable distribution), looking path-related operations (beginsubpath, drawline, drawrectangle, drawcurve, ...).


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