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[java] How does the picture rotation in java works?

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Does the picture rotation functions in swing/awt/applet, LWJGL ext. use the simple algorithm of trigonometry conversions for each pixel in the picture to rotate it, or does they use somthing more efficient?

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it aims for precision, not speed. It might use a 3x3 matrix to do the calculations, but it's all the same trig, just packed in a convenient form.

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