protected void drawImageMap(final RenderableReplacedContentBox content) { if (version < '6') { return; } final ImageMap imageMap = RenderUtility.extractImageMap(content); // only generate a image map, if the user does not specify their own onw via the override. // Of course, they would have to provide the map by other means as well. if (imageMap == null) { return; } final ImageMapEntry[] imageMapEntries = imageMap.getMapEntries(); for (int i = 0; i < imageMapEntries.length; i++) { final ImageMapEntry imageMapEntry = imageMapEntries[i]; final String link = imageMapEntry.getAttribute(LibXmlInfo.XHTML_NAMESPACE, "href"); final String tooltip = imageMapEntry.getAttribute(LibXmlInfo.XHTML_NAMESPACE, "title"); if (StringUtils.isEmpty(tooltip)) { continue; } final AffineTransform affineTransform = getGraphics().getTransform(); final float translateX = (float) affineTransform.getTranslateX(); final int x = (int) (translateX + StrictGeomUtility.toExternalValue(content.getX())); final int y = (int) StrictGeomUtility.toExternalValue(content.getY()); final float[] translatedCoords = translateCoordinates(imageMapEntry.getAreaCoordinates(), x, y); final PolygonAnnotation polygonAnnotation = new PolygonAnnotation(writer, translatedCoords); polygonAnnotation.put(PdfName.CONTENTS, new PdfString(tooltip, PdfObject.TEXT_UNICODE)); writer.addAnnotation(polygonAnnotation); } }