ImageGear Professional DLL v18.1 for Windows
IG_vect_beziersurface_get_point
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ImageGear Professional v18.1 > API Reference Guide > Vector Component API Reference > Vector Component Functions Reference > Bezier Surface Functions > IG_vect_beziersurface_get_point

Glossary Item Box

This function retrieves the value of the specified control point.

Declaration:

  Copy Code 
AT_ERRCOUNT ACCUAPI IG_vect_beziersurface_get_point(
   HIG_VECT_ENTITY hEntity,
   long m,
   long n,
   IGVectPoint3D* lpPoint
);

Arguments:

Name Type Description
hEntity HIG_VECT_ENTITY Handle to the entity of type IG_VECT_ENT_BEZIER_SURFACE.
m long Index of the point in M direction.
n long Index of the point in N direction.
lpPoint IGVectPoint3D* Pointer to IGVectPoint3D structure, which will receive the point coordinates.

Return Value:

Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.

Supported Raster Image Formats:

This function does not process image pixels.

Sample:

None

Remarks:

M and N directions can be interpreted as columns and rows in the surface's mesh.

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