ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / Vector Component API Reference / Vector Component Functions Reference / Bezier Surface Functions / IG_vect_beziersurface_get_point
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    IG_vect_beziersurface_get_point
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    This function retrieves the value of the specified control point.

    Declaration:

     
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    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.