Examples of org.apache.fop.area.PageViewport

org.apache.fop.area.PageViewport
Page viewport that specifies the viewport area and holds the page contents. This is the top level object for a page and remains valid for the life of the document and the area tree. This object may be used as a key to reference a page. This is the level that creates the page. The page (reference area) is then rendered inside the page object

    /**
     * if id can be resolved then simply return a word, otherwise
     * return a resolvable area
     */
    private InlineArea getPageNumberCitationInlineArea(LayoutManager parentLM) {
        PageViewport page = getPSLM().getFirstPVWithID(fobj.getRefId());
        TextArea inline = null;
        if (page != null) {
            String str = page.getPageNumberString();
            // get page string from parent, build area
            TextArea text = new TextArea();
            inline = text;
            int width = getStringWidth(str);
            text.addWord(str, 0);

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    private void renderBookmarkItem(BookmarkData bm) {
        atts.clear();
        addAttribute("title", bm.getBookmarkTitle());
        addAttribute("show-children", String.valueOf(bm.showChildItems()));
        PageViewport pv = bm.getPageViewport();
        String pvKey = pv == null ? null : pv.getKey();
        addAttribute("internal-link",
                     InternalLink.makeXMLAttribute(pvKey, bm.getIDRef()));
        startElement("bookmark", atts);
        for (int i = 0; i < bm.getCount(); i++) {
            renderBookmarkItem(bm.getSubData(i));

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    protected void renderDestination(DestinationData destination) {
        if (destination.getWhenToProcess() == OffDocumentItem.END_OF_DOC) {
            endPageSequence();
        }
        atts.clear();
        PageViewport pv = destination.getPageViewport();
        String pvKey = pv == null ? null : pv.getKey();
        addAttribute("internal-link",
                InternalLink.makeXMLAttribute(pvKey, destination.getIDRef()));
        startElement("destination", atts);
        endElement("destination");
    }

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        Graphics2D graphics = (Graphics2D) g;
        Java2DGraphicsState oldState = state;
        BufferedImage image;
        try {
          PageViewport viewport = getPageViewport(pageIndex);
          AffineTransform at = graphics.getTransform();
          state = new Java2DGraphicsState(graphics, this.fontInfo, at);


          // reset the current Positions
          currentBPPosition = 0;
          currentIPPosition = 0;


          renderPageAreas(viewport.getPage());
          return PAGE_EXISTS;
        } catch (FOPException e) {
            log.error(e);
            return NO_SUCH_PAGE;
        } finally {

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            while (page < 0 && doc && seq > 1) {
                seq--;
                page = areaTreeModel.getPageCount(seq) - 1;
            }
            while (page >= 0) {
                PageViewport pv = areaTreeModel.getPage(seq, page);
                mark = (Marker)pv.getMarker(name, Constants.EN_LEWP);
                if (mark != null) {
                    break;
                }
                page--;
                if (page < 0 && doc && seq > 1) {

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                return this.lastReportedBPD;
            }
            int c = index;
            int pageIndex = 0;
            int colIndex = startColumnOfCurrentElementList;
            PageViewport pv = getPageViewport(
                    false, pageIndex, RELTO_CURRENT_ELEMENT_LIST);
            while (c > 0) {
                colIndex++;
                if (colIndex >= pv.getCurrentSpan().getColumnCount()) {
                    colIndex = 0;
                    pageIndex++;
                    pv = getPageViewport(
                            false, pageIndex, RELTO_CURRENT_ELEMENT_LIST);
                }
                c--;
            }
            this.lastRequestedIndex = index;
            this.lastReportedBPD = pv.getBodyRegion().getRemainingBPD();
            if (log.isTraceEnabled()) {
                log.trace("getAvailableBPD(" + index + ") -> " + lastReportedBPD);
            }
            return this.lastReportedBPD;
        }

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        public int getStartingPartIndexForLastPage(int partCount) {
            int result = 0;
            int idx = 0;
            int pageIndex = 0;
            int colIndex = startColumnOfCurrentElementList;
            PageViewport pv = getPageViewport(
                    false, pageIndex, RELTO_CURRENT_ELEMENT_LIST);
            while (idx < partCount) {
                if ((colIndex >= pv.getCurrentSpan().getColumnCount())) {
                    colIndex = 0;
                    pageIndex++;
                    pv = getPageViewport(
                            false, pageIndex, RELTO_CURRENT_ELEMENT_LIST);
                    result = idx;

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                if (log.isTraceEnabled()) {
                    log.trace("Caching " + index);
                }
                cacheNextPageViewport(index, bIsBlank);
            }
            PageViewport pv = (PageViewport)cachedPageViewports.get(intIndex);
            if (pv.isBlank() != bIsBlank) {
                log.debug("blank condition doesn't match. Replacing PageViewport.");
                while (intIndex < cachedPageViewports.size()) {
                    this.cachedPageViewports.remove(cachedPageViewports.size() - 1);
                    if (!pageSeq.goToPreviousSimplePageMaster()) {
                        log.warn("goToPreviousSimplePageMaster() on the first page called!");

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                    throw new FOPException("Flow '" + pageSeq.getMainFlow().getFlowName()
                        + "' does not map to the region-body in page-master '"
                        + spm.getMasterName() + "'.  FOP presently "
                        + "does not support this.");
                }
                PageViewport pv = new PageViewport(spm, pageNumberString, bIsBlank);
                cachedPageViewports.add(pv);
            } catch (FOPException e) {
                //TODO Maybe improve. It'll mean to propagate this exception up several
                //methods calls.
                throw new IllegalStateException(e.getMessage());

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    }


    private void renderBookmarkItem(BookmarkData bookmarkItem, 
            PDFOutline parentBookmarkItem) {
        PDFOutline pdfOutline = null;
        PageViewport pv = bookmarkItem.getPageViewport();
        if (pv != null) {
            Rectangle2D bounds = pv.getViewArea();
            double h = bounds.getHeight();
            float yoffset = (float)h / 1000f;
            String intDest = (String)pageReferences.get(pv.getKey());
            if (parentBookmarkItem == null) {
                PDFOutline outlineRoot = pdfDoc.getOutlineRoot();
                pdfOutline = pdfDoc.getFactory().makeOutline(outlineRoot,
                                        bookmarkItem.getBookmarkTitle(), 
                                        intDest, yoffset,

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Related Classes of org.apache.fop.area.PageViewport

org.apache.fop.area.inline.UnresolvedPageNumber

org.apache.fop.area.LinkResolver

org.apache.fop.fo.flow.Marker

org.apache.fop.layoutmgr.AbstractPageSequenceLayoutManager

org.apache.fop.layoutmgr.ExternalDocumentLayoutManager

org.apache.fop.layoutmgr.inline.AbstractPageNumberCitationLayoutManager

org.apache.fop.layoutmgr.inline.BasicLinkLayoutManager

org.apache.fop.layoutmgr.inline.PageNumberCitationLastLayoutManager

org.apache.fop.layoutmgr.inline.PageNumberCitationLayoutManager

org.apache.fop.layoutmgr.Page

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