ID2D1Geometry.ComputeLength

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.

HRESULT ComputeLength(D2D1_MATRIX_3X2_F* worldTransform, float* length)
HRESULT ComputeLength(D2D1_MATRIX_3X2_F* worldTransform, float flatteningTolerance, float* length)
interface ID2D1Geometry
extern (Windows)
HRESULT
ComputeLength
(
const D2D1_MATRIX_3X2_F* worldTransform
,
float flatteningTolerance
,
float* length
)

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aurora directx d2d1 d2d1_0 ID2D1Geometry functions