downscaleTo

Downscaling copy (averages colors in source per one pixel in target).

auto downscaleTo(SRC src, TARGET target)
auto
downscaleTo
(
SRC
TARGET
)
(
auto ref SRC src
,
auto ref TARGET target
)
if (
isDirectView!SRC &&
isWritableView!TARGET
)
auto downscaleTo(SRC src, xy_t w, xy_t h)

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