APNG - use previous frame with dispose action to draw the next frame#5071
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stevemcgf wants to merge 1 commit intopython-pillow:masterfrom
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APNG - use previous frame with dispose action to draw the next frame#5071stevemcgf wants to merge 1 commit intopython-pillow:masterfrom
stevemcgf wants to merge 1 commit intopython-pillow:masterfrom
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APNG defines a dispose operation after each frame. This dispose should be done before drawing the next frame. PNG code stores this frame on _prev_im but it is not used to draw the next frame. This change use the _prev_im as the base to draw the next frame.
This was referenced Dec 23, 2020
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I've created #5126 as an alternative to this. |
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#5126 has been merged |
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APNG defines a dispose operation after each frame. This dispose should
be done before drawing the next frame. PNG code stores this frame on _prev_im
but it is not used to draw the next frame.
This change use the _prev_im as the base to draw the next frame.
Helps #5032
Changes proposed in this pull request:
Tested with the files in the issue #5032