设定源混合方法用来混合透明度和平滑处理。
Sets the source blend function used in blended transparency and antialiasing operations.
设定源混合方法用来混合透明度和平滑处理。
Sets the destination blend function used in blended transparency and antialiasing operations.
设定源混合方法用来混合透明度和平滑处理。
Sets the destination blend function used in blended transparency and antialiasing operations.
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