Would you guys consider adding an optional facility to CDrawContext that allows for setting different interpolation quality modes (e.g. using additional flags via setDrawMode()) for scaled bitmaps?
The setting could map to the underlying
-CGInterpolationQuality in Core Graphics
-D2D1_BITMAP_INTERPOLATION_MODE Direct2D
-GdiPlus::InterpolationMode in GdiPlus
I can create a PR that outlines my feature suggestion if you like.
Best,
Reimund