Returns a color object whose grayscale value is 1.0 and whose alpha value is 1.0.

返回一个颜色对象他的灰度值是1.0并且它的透明度是1.0。

youdao

Returns a color object whose grayscale value is 1.0 and whose alpha value is 1.0.

返回一个颜色对象他的灰度值是1.0并且它的透明度是1.0。

youdao