GU/GU_BreakpointConSelection.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:
 *      George ElKoura
 *      Side Effects Software Inc.
 *      20 Maud St.
 *      Toronto, Ontario,  M5V 2M5
 *      Canada
 *      416-366-4607
 *
 * NAME:        GU_BreakpointConSelection (C++)
 *
 * COMMENTS:
 *      Connected breakpoint selection.
 *      A connected breakpoint selection selects all breakpoints on one
 *      surface.
 *
 */

#ifndef __GU_BreakpointConSelection_h__
#define __GU_BreakpointConSelection_h__

#include "GU_API.h"
#include "GU_BreakpointSelection.h"

#define GU_breakpointConSelectName      "selectedConnectedBreakpoints"

class GEO_Breakpoint;

class GU_API GU_BreakpointConSelection : public GU_BreakpointSelection
{
public:
    // Class constructor and destructor. The prefix is used for naming the 
    // three internal groups, thePoints, thePrims and theShared. 
    // If we find the group by the specified name and reset is TRUE, 
    // we clear it.
    GU_BreakpointConSelection(GU_Detail &gdp, const char *prefix = 0);
    virtual ~GU_BreakpointConSelection(void);


    virtual GU_Selection        &operator=(GU_PointSelection &);
    virtual GU_Selection        &operator=(GU_PrimSelection  &);
    virtual GU_Selection        &operator=(GU_EdgeSelection  &);
    virtual GU_Selection        &operator=(GU_BreakpointSelection &);
    virtual GU_Selection        &operator=(GU_VertexSelection &);
    virtual GU_Selection        &operator=(GU_PointGroupSelection &);
    virtual GU_Selection        &operator=(GU_PrimGroupSelection  &);


    virtual int                  add(GEO_Point       &pt,   int ordered=0);
    virtual int                  add(GEO_Primitive   &prim, int ordered=0);
    virtual int                  add(GB_Edge         &edge, int ordered=0);
    virtual int                  add(GEO_Breakpoint  &b,    int ordered=0);
    virtual int                  add(GB_VertexData   &vtx,  int ordered=0);

    // Remove some geo entity from the selection. Each selection class will 
    // interpret the removal in its own way. For example, by removing a
    // GEO_Point from a primitive selection we actually remove all the prims
    // that share that point. Conversely, by removing a GEO_Primitive from
    // a point selection we actually remove all the prim's points. The methods
    // return 1 if something has been removed and 0 otherwise.
    // These methods do NOT update the point and primitive closure, just in
    // case you are doing multiple removals.
    virtual int                  remove(GEO_Point       &pt,   int ordered=0);
    virtual int                  remove(GEO_Primitive   &prim, int ordered=0);
    virtual int                  remove(GB_Edge         &edge, int ordered=0);
    virtual int                  remove(GEO_Breakpoint  &b,    int ordered=0);
    virtual int                  remove(GB_VertexData   &vtx,  int ordered=0);


    virtual void                 clear(void);
    virtual void                 clearAndDestroy(void);
    
    // Query the type of selection
    virtual int                  classType(void) const;

    // Create a new identical selection as this one in gdp
    virtual GU_Selection        *newSpecies(GU_Detail &gdp);

protected:
    // This class doesn't need a connector, because all the connected
    // breakpoints are one the same surface. 

private:

    // Used to create new species
    GU_BreakpointConSelection(GU_Detail &gdp, 
                              const GU_BreakpointConSelection &s);

    int addPrimBreakpoints(GEO_Primitive &prim);
    int removePrimBreakpoints(GEO_Primitive &prim);


};

#endif

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