Method moveTo

src/classic/overlay/MapVLayer.js:187–223

* @function SuperMap.Layer.MapVLayer.prototype.moveTo * @description 重置当前 MapV 图层的 div，再一次与 Map 控件保持一致。 * 修改当前显示范围，当平移或者缩放结束后开始重绘 MapV 图的渲染效果。 * @param {SuperMap.Bounds} bounds - 图层范围。 * @param {boolean} [zoomChanged] - 缩放级别是否改变。 * @param {boolean} [dragging] -

(bounds, zoomChanged, dragging)

     * @param {boolean} [dragging] - 是否拖动。
     */
    moveTo(bounds, zoomChanged, dragging) {
        super.moveTo(bounds, zoomChanged, dragging);
        if (!this.supported) {
            return;
        }
        this.zoomChanged = zoomChanged;
        if (!dragging) {
            this.div.style.visibility = 'hidden';
            this.div.style.left = -parseInt(this.map.layerContainerDiv.style.left) + 'px';
            this.div.style.top = -parseInt(this.map.layerContainerDiv.style.top) + 'px';
            /*this.canvas.style.left = this.div.style.left;
             this.canvas.style.top = this.div.style.top;*/
            var size = this.map.getSize();
            this.div.style.width = parseInt(size.w) + 'px';
            this.div.style.height = parseInt(size.h) + 'px';
            if (this.options.draw === 'heatmap') {
                this.canvas.width = parseInt(size.w) * this.devicePixelRatio;
                this.canvas.height = parseInt(size.h) * this.devicePixelRatio;
            } else {
                this.canvas.width = parseInt(size.w);
                this.canvas.height = parseInt(size.h);
            }

            this.canvas.style.width = this.div.style.width;
            this.canvas.style.height = this.div.style.height;
            this.maxWidth = size.w;
            this.maxHeight = size.h;
            this.div.style.visibility = '';
            if (!zoomChanged) {
                this.renderer && this.renderer.render();
            }
        }

        if (zoomChanged) {
            this.renderer && this.renderer.render();
        }
    }

    /**
     * @function SuperMap.Layer.MapVLayer.prototype.transferToMapLatLng