/*** 
*crempoly.h
*
*  Copyright (C) 1992, Microsoft Corporation.  All Rights Reserved.
*  Information Contained Herein Is Proprietary and Confidential.
*
*Purpose:
*  This file defines the CRemPoly remote polygon object.
*
*Implementation Notes:
*
*****************************************************************************/

class CRemPoly : public IUnknown {
public:
    static HRESULT Create(OLECHAR FAR* szProgID, CRemPoly FAR* FAR*);

    // IUnknown methods
    //
    STDMETHOD(QueryInterface)(REFIID riid, void FAR* FAR* ppvObj);
    STDMETHOD_(unsigned long, AddRef)(void);
    STDMETHOD_(unsigned long, Release)(void);

    // Introduced methods
    //
    HRESULT Draw(void);
    HRESULT Dump(void);
    HRESULT Reset(void);
    HRESULT AddPoint(short x, short y);
    HRESULT EnumPoints(IEnumVARIANT FAR* FAR* ppenum);
    HRESULT GetXOrigin(short FAR* pxorg);
    HRESULT SetXOrigin(short xorg);
    HRESULT GetYOrigin(short FAR* pyorg);
    HRESULT SetYOrigin(short yorg);
    HRESULT GetWidth(short FAR* pwidth);
    HRESULT SetWidth(short width);

    HRESULT get_red(short FAR* pred);
    HRESULT set_red(short red);
    HRESULT get_green(short FAR* pgreen);
    HRESULT set_green(short green);
    HRESULT get_blue(short FAR* pblue);
    HRESULT set_blue(short blue);

private:
    CRemPoly();

    HRESULT get_i2(DISPID dispid, short FAR* ps);
    HRESULT set_i2(DISPID dispid, short);

    unsigned long m_refs;
    IDispatch FAR* m_pdisp;

    // NOTE: this enumeration exists simply to allow us to symbolicly
    // index the member name and id arrays (m_rgid and m_rgszMethods).
    // This doesn't (necessarrily) have any connection to the vtable
    // indices, it *only* needs to correspond correctly to the m_rgid
    // and m_rgszMethods arrays.
    //
    enum CREMPOLY_METHODS {
	IMETH_CREMPOLY_DRAW = 0,
	IMETH_CREMPOLY_DUMP,
	IMETH_CREMPOLY_RESET,
	IMETH_CREMPOLY_ADDPOINT,
	IMETH_CREMPOLY_ENUMPOINTS,
	IMETH_CREMPOLY_GETXORIGIN,
	IMETH_CREMPOLY_SETXORIGIN,
	IMETH_CREMPOLY_GETYORIGIN,
	IMETH_CREMPOLY_SETYORIGIN,
	IMETH_CREMPOLY_GETWIDTH,
	IMETH_CREMPOLY_SETWIDTH,
	IMETH_CREMPOLY_GETRED,
	IMETH_CREMPOLY_SETRED,
	IMETH_CREMPOLY_GETGREEN,
	IMETH_CREMPOLY_SETGREEN,
	IMETH_CREMPOLY_GETBLUE,
	IMETH_CREMPOLY_SETBLUE,
	IMETH_CREMPOLY_MAX
    };

    // member IDs - these are used by IDispatch::Invoke to identify the
    // method or property on the remote object we accessing.
    //
    DISPID m_rgdispid[IMETH_CREMPOLY_MAX];

    // member names - these are used to learn the member IDs when we
    // connect to the remote object.
    //
    static OLECHAR FAR* m_rgszMethods[IMETH_CREMPOLY_MAX];
};