/** * Moves page to new place in same document with all it tag structure * * @param pageNumber number of Page that will be moved * @param insertBefore indicates before which page new one will be inserted to */ public void movePage(int pageNumber, int insertBefore) { checkClosingStatus(); if (insertBefore < 1 || insertBefore > getNumberOfPages() + 1) { throw new IndexOutOfBoundsException(MessageFormatUtil.format(PdfException.RequestedPageNumberIsOutOfBounds, insertBefore)); } PdfPage page = getPage(pageNumber); if (isTagged()) { getStructTreeRoot().move(page, insertBefore); getTagStructureContext().normalizeDocumentRootTag(); } PdfPage removedPage = catalog.getPageTree().removePage(pageNumber); if (insertBefore > pageNumber) { --insertBefore; } catalog.getPageTree().addPage(insertBefore, removedPage); }
/** * Removes page from the document by page number. * * @param pageNum the one-based index of the PdfPage to be removed */ public void removePage(int pageNum) { checkClosingStatus(); PdfPage removedPage = catalog.getPageTree().removePage(pageNum); if (removedPage != null) { catalog.removeOutlines(removedPage); removeUnusedWidgetsFromFields(removedPage); if (isTagged()) { getTagStructureContext().removePageTags(removedPage); } // TODO should we remove everything (outlines, tags) if page won't be removed in the end, because it's already flushed? wouldn't tags be also flushed? if (!removedPage.getPdfObject().isFlushed()) { removedPage.getPdfObject().remove(PdfName.Parent); removedPage.getPdfObject().getIndirectReference().setFree(); } dispatchEvent(new PdfDocumentEvent(PdfDocumentEvent.REMOVE_PAGE, removedPage)); } }