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);
}
}
