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  • Committer: Yves Piguet
  • Date: 2014-07-13 17:06:06 UTC
  • Revision ID: launchpad@nyctergatis.com-20140713170606-o27zup50i9emcsoj
Better tracking of page context

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Src/NPWBase.c
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 *      @file NPWBase.c
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 *      @brief NPW (base functions to write PDF files)
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 *      @author Yves Piguet.
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 *      @copyright 2008-2013, Yves Piguet.
 
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 *      @copyright 2008-2014, Yves Piguet
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 */
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/* License: new BSD license (see header file) */
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{
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        pdf->fonts = kNPWFontAll;
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        pdf->offset = 0;
 
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        pdf->inPage = FALSE;
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        pdf->writingObject = FALSE;
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        pdf->alloc = NULL;
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        pdf->write = NULL;
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        if (pdf->offset == 0)
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                Chk(writeHeader(pdf));
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        // end current page if not done
 
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        if (pdf->inPage)
 
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                Chk(NPWEndPage(pdf));
 
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        // keep track of page
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        page.width = width;
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        page.height = height;
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        Chk(NPWDataAlloc(pdf, kDataKeyPage, sizeof(NPWPage), (void **)&pageAddr));
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        *pageAddr = page;
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        pdf->inPage = TRUE;
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        pdf->pageCount++;
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        return kNPWErrOk;
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        NPWInt length;
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        NPWInt err;
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        // check that a page has been begun
 
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        if (!pdf->inPage)
 
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                return kNPWErrUnexpectedEndPage;
 
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        // end stream
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        Chk(NPWDataGetNth(pdf, kDataKeyPage, pdf->pageCount - 1, (void **)&page));
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        length = pdf->offset - page->streamOffset;
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        return kNPWErrOk;
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}
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NPWBoolean NPWIsWritingPage(NPW *pdf)
 
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{
 
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        return pdf->inPage;
 
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}
 
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NPWErr NPWAddResourceCB(NPW *pdf, NPWActionCB cb, void *userData)
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{
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        NPWActionCBData *d;
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        if (pdf->offset == 0)
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                ChkG(writeHeader(pdf));
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        // end page if not done
 
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        if (pdf->inPage)
 
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                ChkG(NPWEndPage(pdf));
 
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        // process delayed actions
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        delayedActionCBData = NULL;
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        for (;;)
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        {
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                if (NPWDataGetNext(pdf, kDataKeyDelayedActionCB, (void **)&delayedActionCBData) != kNPWErrOk)
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                        break;
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                Chk(delayedActionCBData->cb(pdf, delayedActionCBData->userData));
 
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                ChkG(delayedActionCBData->cb(pdf, delayedActionCBData->userData));
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        }
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        // write Pages object