Fixed background colour of PNGs saved with a non-zero opacity.#1868

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efiring merged 2 commits intomatplotlib:masterfrom

pelson:alpha_background

May 1, 2013

Commits on Apr 29, 2013

Fixed background colour of PNGs saved with a non-zero opacity.
pelson
committed

Commits on May 1, 2013

Switch agg backend to use pixfmt_rgba32_plain instead of pixfmt_rgba32, which fixes a problem with alpha-blending partially transparent backgrounds.

Westacular
authored and
pelson
committed