[poppler] Pdftohtml background colors don't match pdftoppm

Bill Williamson billhatesspam at yahoo.com
Thu Dec 8 16:14:11 PST 2011


I've noticed that the background images generated by pdftohtml don't match the output from pdftoppm.

For example, in pdftoppm, a red red object in the background might have a RGB color of <255 38 0>, while the same background pixel from the output of pdftohtml will have a RGB value of <255 0 0>. Could someone point me to the correct place in the source where this might be happening? I've taken a look at the derived SpashOutputDevice in pdftohtml, but I don't see anything obvious there.

Any ideas? Perhaps some kind of colorspace transformation is being applied in a place I'm not looking?

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