dependent on the PDF content you might also be able to inspect the graphics commands using PDFStreamEngine or PDFGraphicsStreamEngine
BR Maruan > Am 14.03.2015 um 06:56 schrieb Andrew Munn <[email protected]>: > > I have checkboxes and radio buttons in forms that are flat. The boxes can > sometimes be fully filled in (solid black) or sometimes what appears to be > a vector drawn x extending to all 4 corners. > > My question is similar to this one from over 2 years ago. > > https://www.mail-archive.com/[email protected]/msg02139.html > > I need to programatically determine the state of these check boxes. I'm > processing the same forms frequently so I could do something like: > > BufferedImage src = pdfRenderer.renderImageWithDPI(1, 600, ImageType.GRAY); > BufferedImage boxImage = src.getSubimage(234,345,10,10); > > ...and then check the color of the pixels in the box to see if it's > "checked" or not. But is there a better way? > > Thanks, > Andrew > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] >
