MayaRamp.h

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/*  Copyright (C) 2003-2021 Free Electron Organization
    Any use of this software requires a license.  If a valid license
    was not distributed with this file, visit freeelectron.org. */

/** @file */

#ifndef __maya_MayaRamp_h__
#define __maya_MayaRamp_h__

namespace fe
{
namespace ext
{

/**************************************************************************//**
    @brief Ramp in Maya

    @ingroup maya
*//***************************************************************************/
class FE_DL_EXPORT MayaRamp:
    public MetaRamp,
    public CastableAs<MayaRamp>
{
    public:
                        MayaRamp(void)                                      {}
virtual                 ~MayaRamp(void)                                     {}

                        //* as RampI
virtual U32             entryCount(void) const
                        {
                            MStatus status;
                            const U32 count=const_cast<MRampAttribute&>(m_ramp)
                                    .getNumEntries(&status);
                            FEASSERT(status);
                            return count;
                        }

virtual Vector2         entry(U32 a_index) const
                        {
                            MIntArray indexes;
                            MFloatArray positions;
                            MFloatArray values;
                            MIntArray interps;
                            MStatus status;
                            const_cast<MRampAttribute&>(m_ramp)
                                    .getEntries(indexes,positions,values,
                                    interps,&status);
                            FEASSERT(status);
                            return Vector2(positions[a_index],values[a_index]);
                        }

virtual Real            eval(Real a_u) const
                        {
                            float value;
                            MStatus status;
                            const_cast<MRampAttribute&>(m_ramp)
                                    .getValueAtPosition(a_u,value,&status);
                            FEASSERT(status);
                            return value;
                        }

        void            setRamp(MRampAttribute& a_rRamp)
                        {   m_ramp=a_rRamp; }

    private:

        MRampAttribute  m_ramp;
};

} /* namespace ext */
} /* namespace fe */

#endif /* __maya_MayaRamp_h__ */