廖健
RT if the file name contains Chinese characters, after extracting, the file name broken.
In Web Browsers, If width or height of a Canvas reassigned, even the value not changed, the canvas would reset it's state, includes state stack and current properties. ```js var...
follow by MDN The CanvasRenderingContext2D.isPointInPath() method of the Canvas 2D API reports whether or not the specified point is contained in the current path. The CanvasRenderingContext2D.isPointInStroke() method of the Canvas...