GT_GEOPrimCurve.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME:        GT_GEOPrimitive.h ( GEO Library, C++)
 *
 * COMMENTS:
 */

#ifndef __GT_GEOPrimCurve__
#define __GT_GEOPrimCurve__

#include "GT_API.h"
#include "GT_GEOPrimitive.h"

class GT_API GT_GEOPrimCurve : public GT_GEOPrimitive
{
public:
    GT_GEOPrimCurve(const GU_ConstDetailHandle *dlist,
                    const GEO_Primitive *const* primlist,
                    int nsegments)
        : GT_GEOPrimitive(dlist, primlist, nsegments)
    { }
    GT_GEOPrimCurve(const GT_GEOPrimitive &src)
        : GT_GEOPrimitive(src)
    { }
    ~GT_GEOPrimCurve() override;

    const char         *className() const override { return "GT_GEOPrimCurve"; }
    /// @{
    /// Interface from GT_Primitive required by subclass
    bool                refine(GT_Refine &refiner,
                               const GT_RefineParms *parms=NULL) const override;
    GT_PrimitiveHandle  doSoftCopy() const override
                                    { return new GT_GEOPrimCurve(*this); }
    /// @}

    /// Refine for the GT_PrimNURBSCurveMesh
    bool        refineForCurveMesh() const;

    /// Viewport refinement options
    const GT_ViewportRefineOptions &viewportRefineOptions() const override;

    /// Test if curve is a cubic Bezier
    bool        isOpenCubicBezier() const;

    /// Test if curve is a cubic Bspline (witha a uniform basis)
    bool        isOpenCubicBspline() const;

    /// @{
    /// Get a list of the break point indices for a refined curve given the
    /// refinement parameters.
    GT_DataArrayHandle  getBreakPointIndices(const GT_DataArrayHandle &P,
                                const GT_RefineParms *parms=NULL) const
                        {
                            return getBreakPointIndices(P->entries(), parms);
                        }
    GT_DataArrayHandle  getBreakPointIndices(exint npoints,
                                const GT_RefineParms *parms=NULL) const;
    /// @}
};

#endif