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Annotation of mstools/ole20/samples/spoly/cpoly.h, revision 1.1

1.1     ! root        1: /*** 
        !             2: *cpoly.h
        !             3: *
        !             4: *  Copyright (C) 1992, Microsoft Corporation.  All Rights Reserved.
        !             5: *  Information Contained Herein Is Proprietary and Confidential.
        !             6: *
        !             7: *Purpose:
        !             8: *  Definition of the CPoly class.
        !             9: *
        !            10: *  The CPoly class defines a number of methods and exposes them for
        !            11: *  external programmability via IDispatch,
        !            12: *
        !            13: *  methods:
        !            14: *    DRAW              - draw the polygon
        !            15: *    RESET             - delete all points from the polygon
        !            16: *
        !            17: *    ADDPOINT(X, Y)    - add a point with coordinates (x,y) to the polygon
        !            18: *
        !            19: *    ENUMPOINTS                - return a collection of the polygon's points
        !            20: *
        !            21: *    GETXORIGIN                - get and set the X origin of the polygon
        !            22: *    SETXORIGIN
        !            23: *
        !            24: *    GETYORIGIN                - get and set the Y origin of the polygon
        !            25: *    SETYORIGIN
        !            26: *
        !            27: *    GETWIDTH          - get and set the line width of the polygon
        !            28: *    SETWIDTH
        !            29: *
        !            30: *  UNDONE: update description
        !            31: *
        !            32: *Implementation Notes:
        !            33: *
        !            34: *****************************************************************************/
        !            35: 
        !            36: 
        !            37: #ifndef        CLASS
        !            38: # ifdef        __TURBOC__
        !            39: #  define CLASS class huge
        !            40: # else
        !            41: #  define CLASS class FAR
        !            42: # endif
        !            43: #endif
        !            44: 
        !            45: class CPoint;
        !            46: 
        !            47: CLASS CPoly : public IDispatch
        !            48: {
        !            49: public:
        !            50:     static CPoly FAR* Create();
        !            51: 
        !            52:     /* IUnknown methods */
        !            53:     STDMETHOD(QueryInterface)(REFIID riid, void FAR* FAR* ppvObj);
        !            54:     STDMETHOD_(unsigned long, AddRef)(void);
        !            55:     STDMETHOD_(unsigned long, Release)(void);
        !            56: 
        !            57:     /* IDispatch methods */
        !            58:     STDMETHOD(GetTypeInfoCount)(unsigned int FAR* pcTypeInfo);
        !            59: 
        !            60:     STDMETHOD(GetTypeInfo)(
        !            61:       unsigned int iTypeInfo,
        !            62:       LCID lcid,
        !            63:       ITypeInfo FAR* FAR* ppTypeInfo);
        !            64: 
        !            65:     STDMETHOD(GetIDsOfNames)(
        !            66:       REFIID riid,
        !            67:       char FAR* FAR* rgszNames,
        !            68:       unsigned int cNames,
        !            69:       LCID lcid,
        !            70:       DISPID FAR* rgdispid);
        !            71: 
        !            72:     STDMETHOD(Invoke)(
        !            73:       DISPID dispidMember,
        !            74:       REFIID riid,
        !            75:       LCID lcid,
        !            76:       unsigned short wFlags,
        !            77:       DISPPARAMS FAR* pdispparams,
        !            78:       VARIANT FAR* pvarResult,
        !            79:       EXCEPINFO FAR* pexcepinfo,
        !            80:       unsigned int FAR* puArgErr);
        !            81: 
        !            82:     /* Introduced methods */
        !            83: 
        !            84:     virtual void PASCAL Draw(void);
        !            85:     virtual void PASCAL Reset(void);
        !            86: 
        !            87:     // add a point with the given 'x' and 'y' coordinates
        !            88:     virtual HRESULT PASCAL AddPoint(short x, short y);
        !            89: 
        !            90:     // return a collection of the polygon's points
        !            91:     virtual HRESULT PASCAL EnumPoints(IEnumVARIANT FAR* FAR* ppenum);
        !            92: 
        !            93:     // get/set the polygon's X origin property
        !            94:     virtual short PASCAL GetXOrigin(void);
        !            95:     virtual void  PASCAL SetXOrigin(short x);
        !            96: 
        !            97:     // get/set the polygon's Y origin property
        !            98:     virtual short PASCAL GetYOrigin(void);
        !            99:     virtual void  PASCAL SetYOrigin(short y);
        !           100: 
        !           101:     virtual short PASCAL GetWidth(void);
        !           102:     virtual void  PASCAL SetWidth(short width);
        !           103: 
        !           104:     virtual short PASCAL get_red(void);
        !           105:     virtual void  PASCAL set_red(short red);
        !           106: 
        !           107:     virtual short PASCAL get_green(void);
        !           108:     virtual void  PASCAL set_green(short green);
        !           109: 
        !           110:     virtual short PASCAL get_blue(void);
        !           111:     virtual void  PASCAL set_blue(short blue);
        !           112: 
        !           113:     // Debug method
        !           114:     virtual void  PASCAL Dump(void);
        !           115: 
        !           116: public: 
        !           117: 
        !           118:     // Draw all polygons.
        !           119:     static void PolyDraw(void);
        !           120: 
        !           121:     // Release all polygons.
        !           122:     static void PolyTerm(void);
        !           123: 
        !           124:     // Dump all polygons to dbwin.
        !           125:     static void PolyDump(void);
        !           126: 
        !           127: 
        !           128: private:
        !           129:     CPoly();
        !           130: 
        !           131:     short m_xorg;
        !           132:     short m_yorg;
        !           133:     short m_width;
        !           134: 
        !           135:     short m_red;
        !           136:     short m_green;
        !           137:     short m_blue;
        !           138: 
        !           139:     unsigned long m_refs;
        !           140:     unsigned int m_cPoints;
        !           141: 
        !           142:     POINTLINK FAR* m_ppointlink;
        !           143:     POINTLINK FAR* m_ppointlinkLast;
        !           144: };
        !           145: 
        !           146: // DISPIDs for the members and properties available via IDispatch.
        !           147: //
        !           148: enum IDMEMBER_CPOLY {
        !           149:     IDMEMBER_CPOLY_DRAW = 1,
        !           150:     IDMEMBER_CPOLY_RESET,
        !           151:     IDMEMBER_CPOLY_ADDPOINT,
        !           152:     IDMEMBER_CPOLY_ENUMPOINTS,
        !           153:     IDMEMBER_CPOLY_GETXORIGIN,
        !           154:     IDMEMBER_CPOLY_SETXORIGIN,
        !           155:     IDMEMBER_CPOLY_GETYORIGIN,
        !           156:     IDMEMBER_CPOLY_SETYORIGIN,
        !           157:     IDMEMBER_CPOLY_GETWIDTH,
        !           158:     IDMEMBER_CPOLY_SETWIDTH,
        !           159:     IDMEMBER_CPOLY_GETRED,
        !           160:     IDMEMBER_CPOLY_SETRED,
        !           161:     IDMEMBER_CPOLY_GETGREEN,
        !           162:     IDMEMBER_CPOLY_SETGREEN,
        !           163:     IDMEMBER_CPOLY_GETBLUE,
        !           164:     IDMEMBER_CPOLY_SETBLUE,
        !           165:     IDMEMBER_CPOLY_DUMP,
        !           166:     IDMEMBER_CPOLY_MAX
        !           167: };
        !           168: 
        !           169: // structure used to link together polygons
        !           170: //
        !           171: struct POLYLINK {
        !           172:     POLYLINK FAR* next;
        !           173:     CPoly FAR* ppoly;
        !           174: };
        !           175: 
        !           176: 
        !           177: // The CPoly class factory
        !           178: //
        !           179: CLASS CPolyCF : public IClassFactory
        !           180: {
        !           181: public:
        !           182:     static IClassFactory FAR* Create();
        !           183: 
        !           184:     /* IUnknown methods */
        !           185:     STDMETHOD(QueryInterface)(REFIID riid, void FAR* FAR* ppv);
        !           186:     STDMETHOD_(unsigned long, AddRef)(void);
        !           187:     STDMETHOD_(unsigned long, Release)(void);
        !           188: 
        !           189:     /* IClassFactory methods */
        !           190:     STDMETHOD(CreateInstance)(
        !           191:       IUnknown FAR* pUnkOuter, REFIID riid, void FAR* FAR* ppv);
        !           192: #ifdef _MAC
        !           193:     STDMETHOD(LockServer)(unsigned long fLock);
        !           194: #else
        !           195:     STDMETHOD(LockServer)(BOOL fLock);
        !           196: #endif
        !           197: 
        !           198: private:
        !           199:     CPolyCF();
        !           200: 
        !           201:     unsigned long m_refs;
        !           202: };
        !           203: 

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