TIL_ColorCurves.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:        TIL_ColorCurves.h ( TIL Library, C++)
 *
 * COMMENTS:
 *      A class for sampling color curves.
 */
#ifndef TIL_COLOR_CURVES_H
#define TIL_COLOR_CURVES_H

#include "TIL_API.h"
#include <UT/UT_NonCopyable.h>

class TIL_API TIL_ColorCurves
{
public:
         TIL_ColorCurves(int curve_size = 256);
        ~TIL_ColorCurves();

         UT_NON_COPYABLE(TIL_ColorCurves)

    void        setValid(bool valid);
    void        setValid(int comp, bool valid);

    void        setCurveSize(int size);
    int         getCurveSize() const { return myCurveSize; }

    const float *getCurve(int comp) const;
    float       *getCurveForWrite(int comp);
    
    void         setDomain(float start, float end) { myStart=start; myEnd=end;}
    void         getDomain(float &start, float &end) const
                 { start = myStart; end = myEnd; }

    void         clampRange(float minr, float maxr);
    
private:
    bool         myValid[4];
    float       *myCurves[4];
    int          myCurveSize;
    float        myStart;
    float        myEnd;
};

#endif