GEO/GEO_PrimClassifier.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.
 *
 * Produced by:
 *      Ondrej Kos
 *      Side Effects Software Inc
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        GEO_PrimClassifier.h ( GEO Library, C++)
 *
 * COMMENTS:  This routine classifies primitives according to what
 *            meta-primitive they belong to.  The exact definition of a
 *            meta-primitive depends on the classification done.
 */

#ifndef __GEO_PrimClassifier__
#define __GEO_PrimClassifier__

#include "GEO_API.h"
#include <UT/UT_IntArray.h>
class GEO_Detail;
class GEO_PointClassifier;
class GB_PrimitiveGroup;

class GEO_API GEO_PrimClassifier
{
public:
    GEO_PrimClassifier();
    virtual ~GEO_PrimClassifier();

    void        classifyByVertexUV(const GEO_Detail &gdp, int attriboffset,
                                   const GB_PrimitiveGroup *exclude_prims=NULL);
    void        classifyBySharedPoints(const GEO_Detail &gdp,
                                   const GEO_PointClassifier &classifier,
                                   const GB_PrimitiveGroup *exclude_prims=NULL);

    int         getClass(int idx) const { return myClasses((unsigned)idx); }
    int         getNumClass() const { return myNumClass; }

protected:
    // Methods which collapse & search for classes...
    int         findClass(int idx);

    UT_IntArray         myClasses;
    int                 myNumClass;
};

#endif

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