draw dot as a sound spectrum in bitmap

I looking into become a sound programmer.

As I could fi开发者_C百科nd some sound analyzer would display a nice spectrum of color on bitmap. Which API do I draw a dot shape? Is it circle or line?

Is it possible to resize the bitmap width and height after adding all the dots?

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In order to create a graphic representation for audio, you will need to use the SoundMixer class computeSpectrum() method. There's a use example on the docs.

As for the rest of your question, I'm not quite sure what you're looking for... In any case, you can use the Graphics API , which is available on Bitmap or more generally DisplayObject