双击它以调整蒙版的颜色和透明度。

Double click it to adjust the color and transparency of the mask.

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黑色是最低透明度的颜色，并提供在夜间最好的剪影。

Black is the least transparent color and gives the best silhouette at night.

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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。

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

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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。

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

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