The Drawing API 绘图API的
Now why would anyone complain about a native drawing API in the browser?
现在,为何还有人会抱怨浏览器中的一个原生画图 API 呢?
Flash source of Flash drawing API for some explanation and demonstration by example.
Flash源码,对Flash中绘图api进行了一定解释,并用例子演示。
Drawing API calls are particularly expensive because they usually create objects, such as the scroll bar, dynamically on the Stage before rendering them via the rasterizer.
绘图api的调用特别昂贵,因为它们通常会创建对象,如滚动条,在通过光栅渲染他们之前动态加载到舞台上。
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