AssocRegionHandler.h

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/*--------------------------------------------------------------------------------------+
|
|   Supplied under applicable software license agreement.
|
|   Copyright (c) 2018 Bentley Systems, Incorporated. All rights reserved.
|
+---------------------------------------------------------------------------------------*/
#pragma once

#include "CellHeaderHandler.h"
#include <DgnPlatform/ElementGeometry.h>
#include <DgnPlatform/IAreaFillProperties.h>


BEGIN_BENTLEY_DGNPLATFORM_NAMESPACE

enum class RegionLoops
    {
    Ignore              = 0, 
    Outer               = 1, 
    Alternating         = 2, 
    };

enum class RegionType
    {
    Flood               = 0, 
    Union               = 1, 
    Intersection        = 2, 
    Difference          = 3, 
    ExclusiveOr         = 4, 
    };

enum RegionConstants
    {
    MAX_FloodSeedPoints = 100, 
    };

struct RegionParams
    {
    private:

    RegionType      m_type;                 
    RegionLoops     m_regionLoops;          

    bool            m_associative;          
    bool            m_invisibleBoundary;    
    bool            m_interiorText;         
    bool            m_forcePlanar;          
    bool            m_dirty;                

    UInt32          m_reservedFlags;        

    double          m_gapTolerance;         
    double          m_textMarginFactor;     

    RotMatrix       m_flatten;              

    public:

    DGNPLATFORM_EXPORT                  RegionParams (); 

    DGNPLATFORM_EXPORT void             SetType (RegionType regionType); 
    DGNPLATFORM_EXPORT void             SetFloodParams (RegionLoops regionLoops, double gapTolerance); 
    DGNPLATFORM_EXPORT void             SetInteriorText (bool interiorText, double textMarginFactor); 
    DGNPLATFORM_EXPORT void             SetAssociative (bool yesNo); 
    DGNPLATFORM_EXPORT void             SetInvisibleBoundary (bool yesNo); 
    DGNPLATFORM_EXPORT void             SetFlattenBoundary (bool yesNo, RotMatrixCP flatten); 
    DGNPLATFORM_EXPORT void             SetDirty (bool yesNo); 

    DGNPLATFORM_EXPORT RegionType       GetType () const; 
    DGNPLATFORM_EXPORT RegionLoops      GetFloodParams (double* gapTolerance) const; 
    DGNPLATFORM_EXPORT bool             GetInteriorText (double* textMarginFactor) const; 
    DGNPLATFORM_EXPORT bool             GetAssociative () const; 
    DGNPLATFORM_EXPORT bool             GetInvisibleBoundary () const; 
    DGNPLATFORM_EXPORT bool             GetFlattenBoundary (RotMatrixP flatten) const; 
    DGNPLATFORM_EXPORT bool             GetDirty () const; 
    }; // RegionParams


/*=================================================================================**/
CLRPUBLIC struct IAssocRegionQuery
{
public:

struct LoopData
    {
    int                      m_loopCode;
    bvector<DependencyRoot>  m_loopRoots;
    };

private:
    virtual void MakeClassAbstract() = 0;
public:
public:

DGNPLATFORM_EXPORT BentleyStatus        GetParams (ElementHandleCR eh, RegionParams& params) const;

DGNPLATFORM_EXPORT BentleyStatus        GetSeedPoints (ElementHandleCR eh, bvector<DPoint3d>* points) const;

DGNPLATFORM_EXPORT BentleyStatus        GetRoots (ElementHandleCR eh, bvector<DependencyRoot>* roots) const;

DGNPLATFORM_EXPORT BentleyStatus        GetLoopData (ElementHandleCR eh, bvector<LoopData>* loopData) const;

}; // IAssocRegionQuery


/*=================================================================================**/

/*=================================================================================**/
struct          AssocRegionCellHeaderHandler : Type2Handler,
                                               ICurvePathEdit,
                                               IAssocRegionQuery,
                                               IAreaFillPropertiesEdit
{
    DEFINE_T_SUPER(Type2Handler)    
    ELEMENTHANDLER_DECLARE_MEMBERS (AssocRegionCellHeaderHandler, DGNPLATFORM_EXPORT)
private:
    virtual void MakeClassAbstract() = 0;
public:
public:

DGNPLATFORM_EXPORT static bool IsValidRegionBoundaryType (ElementHandleCR eh);

DGNPLATFORM_EXPORT static BentleyStatus SetLoopRoots (EditElementHandleR eeh, DependencyRoot const* boundaryRoots, size_t numBoundaryRoots);

DGNPLATFORM_EXPORT static BentleyStatus SetLoopOedCode (EditElementHandleR eeh, int loopCode);

DGNPLATFORM_EXPORT static BentleyStatus CreateAssocRegionElement
(
EditElementHandleR      eeh,
ElementAgendaR          boundary,
DependencyRoot const*   boundaryRoots,
size_t                  numBoundaryRoots,
DPoint3dCP              seedPoints,
size_t                  numSeedPoints,
RegionParams const&     params,
WCharCP                 cellName
);

}; // AssocRegionCellHeaderHandler



END_BENTLEY_DGNPLATFORM_NAMESPACE