Speed up `Image.blend()`#9649

Open

akx wants to merge 3 commits into

python-pillow:mainfrom

akx:faster-blend

Commits on Jun 2, 2026

Blend: shortcut to copy when same image pointer is passed in twice

akx
and
radarhere
committed
Blend: hoist static image size variables out of loops for optimization
akx
committed
Blend: note imIn1/imIn2/imOut can't alias each other
akx
committed