RenderUtil.java 文件源码

/**
 * @param geometry
 *            geometry to fill
 * @param viewport
 *            viewport
 * @param graphics
 *            graphics to draw into
 */
@SuppressWarnings("unchecked")
public static void fill(final IGeometry geometry, final Viewport viewport,
        final Graphics2D graphics, double opacity) {
    if (geometry.isPolygon()) {
        try {
            Shape shape = viewport.toShape(geometry);
            if (shape != null) {
                graphics.fill(shape);
            }
        } catch (NoninvertibleTransformException e) {
            e.printStackTrace();
        }
    } else {
        if (geometry.isMultiSurface()) {
            GM_Aggregate<IGeometry> aggregate = (GM_Aggregate<IGeometry>) geometry;
            for (IGeometry element : aggregate) {
                RenderUtil.fill(element, viewport, graphics, opacity);
            }
        }

    }
}