oaArc.h

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// *****************************************************************************
// *****************************************************************************
// oaArc.h
//
// This file contains the definition for the oaArc class. This class implements
// an arc shape.
//
// *****************************************************************************
// Except as specified in the OpenAccess terms of use of Cadence or Silicon
// Integration Initiative, this material may not be copied, modified,
// re-published, uploaded, executed, or distributed in any way, in any medium,
// in whole or in part, without prior written permission from Cadence.
//
//                Copyright 2002-2005 Cadence Design Systems, Inc.
//                           All Rights Reserved.
//
//  $Author: icftcm $
//  $Revision: #1 $
//  $Date: 2010/08/09 $
//  $State: Exp $
// *****************************************************************************
// *****************************************************************************



#if !defined(oaArc_P)
#define oaArc_P



// *****************************************************************************
// Nested includes
// *****************************************************************************
#include "oaPointArray.h"
#include "oaShape.h"
#include "oaBlock.h"



// *****************************************************************************
// Declare and define types in the OpenAccess namespace.
// *****************************************************************************
BEGIN_OA_NAMESPACE



// *****************************************************************************
// oaArc
// *****************************************************************************
class OA_DESIGN_DLL_API oaArc : public oaShape {
public:
    static oaArc            *create(oaBlock         *block,
                                    oaLayerNum      layerNum,
                                    oaPurposeNum    purposeNum,
                                    const oaBox     &ellipseBBox,
                                    oaDouble        startAngle,
                                    oaDouble        stopAngle);

    void                    getEllipseBBox(oaBox &bBox) const;
    oaDouble                getStartAngle() const;
    oaDouble                getStopAngle() const;
    void                    getPoints(oaPointArray  &points,
                                      oaUInt4       numSegs = 10) const;

    void                    set(const oaBox &ellipseBBox,
                                oaDouble    startAngle,
                                oaDouble    stopAngle);

    oaLine                  *convertToLine(oaUInt4 numSides = 16);

    static void             calcArc(const oaPoint   &p1,
                                    const oaPoint   &p2,
                                    const oaPoint   &p3,
                                    oaBox           &ellipseBBox,
                                    oaDouble        &startAngle,
                                    oaDouble        &stopAngle);
    static void             calcArc(const oaBox &ellipseBBox,
                                    oaBox       &bBox,
                                    oaDouble    &startAngle,
                                    oaDouble    &stopAngle);

    static void             calcBBox(const oaBox    &ellipseBBox,
                                     oaDouble       startAngle,
                                     oaDouble       stopAngle,
                                     oaBox          &bBox);

    static void             genPoints(const oaBox   &ellipseBBox,
                                      oaDouble      startAngle,
                                      oaDouble      stopAngle,
                                      oaUInt4       numEdges,
                                      oaPointArray  &boundary);
};



// *****************************************************************************
// Design Traits.
// *****************************************************************************
template<>
class oaTraits<oaArc> {
public:
    typedef oaShapeModTypeEnum  modTypeType;
    typedef oaShape             parentType;
    enum {dtIndex = oacShapeDataType};
    enum {dataTypeEnumVal = oacShapeDataType};
    enum {domain = oacBlockDomain};
    enum {dbType = oacDesignDBType};
    enum {isMultiDomain = false};
    enum {isConcrete = true};
    enum {objectTypeEnumVal = oacArcType};
};



END_OA_NAMESPACE

#endif

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