RendererContext.java 文件源码

Path2D.Float getPath2D() {
    // resolve reference:
    Path2D.Float p2d
        = (refPath2D != null) ? refPath2D.get() : null;

    // create a new Path2D ?
    if (p2d == null) {
        p2d = new Path2D.Float(Path2D.WIND_NON_ZERO, INITIAL_EDGES_COUNT); // 32K

        // update weak reference:
        refPath2D = new WeakReference<Path2D.Float>(p2d);
    }
    // reset the path anyway:
    p2d.reset();
    return p2d;
}