Method resize

src/common/overlay/levelRenderer/Painter.js:548–574

* @function LevelRenderer.Painter.prototype.resize * @description 区域大小变化后重绘。 * @return {LevelRenderer.Painter} this。

()

     * @return {LevelRenderer.Painter} this。
     */
    resize() {
        var domRoot = this._domRoot;
        domRoot.style.display = 'none';

        var width = this._getWidth();
        var height = this._getHeight();

        domRoot.style.display = '';

        // 优化没有实际改变的resize
        if (this._width != width || height != this._height) {
            this._width = width;
            this._height = height;

            domRoot.style.width = width + 'px';
            domRoot.style.height = height + 'px';

            for (var id in this._layers) {

                this._layers[id].resize(width, height);
            }

            this.refresh(null, true);
        }

        return this;
    }


    /**