public int getMinTileY() {
        return YToTileY(getMinY());
    }
Returns the vertical index of the uppermost row of tiles.  getMinTileY()
is implemented in terms of getMinY() 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