Dear popplers,
I'd like to convert PDFs with high-res images and crop-marks to
lower-res PDFs where the page-area outside of the cropping regions is
white (no more cropmarks etc. visible). The cropping region is saved in
the PDF as a TrimBox value (not CropBox or MediaBox).
To do this, I want to convert the PDFs using poppler's pdftops and crop
them in that process. Lateron, I'll add some white border around the PDF
(maybe embedding it with latex/pdfpages, not sure yet).
Instead of the -nocrop switch, I imagine sth. like
pdftops -crop [TrimBox|...|CropBox] in.pdf out.ps
As of now, poppler's pdftopsd only supports CropBox, not ArtBox, TrimBox
or MediaBox. Looking at the source, it seems some parts of poppler have
heard of these boxes before, some have not.
Whats the best way to patch this into poppler? I would have changed the
signatures of Page::display and Page::displaySlice, Page::createGfx and
PDFDoc::displayPage* so that I can pass one value of the page_box_enum
defined in poppler-global.h
- How would you do it?
- Why does Gfx's c'tor take both PDFRectangle *box and PDFRectangle
*cropBox?
thanks!
ben
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