https://learn.microsoft.com/en-us/windows/win32/api/d2d1_1/nf-d2d1_1-id2d1factory1-createdrawingstateblock(constd2d1_drawing_state_description1_idwriterenderingparams_id2d1drawingstateblock1)
ID2D1Factory1::CreateDrawingStateBlock (d2d1_1.h) - Win32 apps | Microsoft Learn
Creates a new drawing state block, this can be used in subsequent SaveDrawingState and RestoreDrawingState operations on the render target. (overload 3/3)
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