[poppler] Analysing 3 pages at a time with one function

[Alec Taylor]

Using the second-pass approach is still a possibility, I just wanted
to see if I could utilise a one pass approach.

Do you have any ideas how I can get a function like this working?

On Tue, Oct 25, 2011 at 9:21 AM, Josh Richardson <jric at chegg.com> wrote:
> What are you trying to do?  What's your algorithm?  Did you decide against
> the second-pass approach on the XML files?
>
> --josh
>
> On 10/24/11 1:57 PM, "Alec Taylor" <alec.taylor6 at gmail.com> wrote:
>
>>Good morning,
>>
>>How do I analyse 3 pages at a time, using the one function?
>>
>>Thanks for all suggestions,
>>
>>Alec Taylor
>>
>>FYI: You'll find my attempt below
>>
>>[utils/pdftohtml.cc]
>>
>><snipped>
>>
>>GBool analyseThree(PDFDoc*, SplashOutputDev*, int, int, int);
>>
>>int main(int argc, char *argv[]) {
>>
>><snipped>
>>
>>      for (int pg = firstPage; pg <= lastPage; ++pg) {
>>        if(!generateHeaderFooter)
>>        doc->displayPage(splashOut, pg,
>>                         72 * scale, 72 * scale,
>>                         0, gTrue, gFalse, gFalse);
>>        else
>>            if(pg+1<lastPage && pg+2<lastPage)
>>                analyseThree(*doc, *splashOut, pg, pg+1, pg+2);
>>
>>        SplashBitmap *bitmap = splashOut->getBitmap();
>>
>>        imgFileName = GooString::format("{0:s}{1:03d}.{2:s}",
>>            htmlFileName->getCString(), pg, extension);
>>
>>        bitmap->writeImgFile(format, imgFileName->getCString(),
>>                             72 * scale, 72 * scale);
>>
>>        delete imgFileName;
>>      }
>>
>><snipped>
>>
>>GBool analyseThree(PDFDoc *doc, SplashOutputDev *splashOut, int first,
>>int second, int third) {
>>    doc->displayPage(splashOut, first, 72 * scale, 72 * scale, 0,
>>gTrue, gFalse, gFalse);
>>    doc->displayPage(splashOut, second, 72 * scale, 72 * scale, 0,
>>gTrue, gFalse, gFalse);
>>    doc->displayPage(splashOut, third, 72 * scale, 72 * scale, 0,
>>gTrue, gFalse, gFalse);
>>
>>    return gTrue;
>>}
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>
>