Add per pixel alpha for rendered output - #15
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The read method simply didn't extract the alpha value from the framebuffer, so the per pixel alpha value was not correctly applied in the rendered surface.
Martinus2004
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The
readcall simply didn't extract the alpha value from the framebuffer in therendermethod, so the per pixel alpha value was not correctly applied in the rendered surface. This PR fixes that.This was also mentioned in this issue (#11), so it can be closed as well.