public final int getMaxY() {
        return getMinY() + getHeight();
    }
Returns the Y coordinate of the row immediately below the
bottom row of the image.  getMaxY() is implemented in terms of
getMinY() and getHeight() and so does not need to be
implemented by subclasses.
plugins/svg-plugin/batik-codec-fix/src/main/java/org/apache/batik/ext/awt/image/codec/util/SimpleRenderedImage.java