aplefull 7da2339c89 LibGfx: Properly skip IDAT chunks without fcTL in APNG files ...

In the previous fix, we were still drawing IDAT data to the reference
frame even when no fcTL was present. This would cause rendering issues
when subsequent frames use APNG_BLEND_OP_OVER blending mode, as they
would composite over the incorrect reference frame. This commit adds a
simple check to properly skip any frame without an fcTL chunk.

2025-05-09 21:45:29 +02:00

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