IPOLY8.H

/* 
 * IPOLY8.H 
 * Polyline Object Chapter 8 
 * 
 * Definition of an IPolyline interface for a Polyline object. 
 * This custom interface and is only supported from DLL-based 
 * objects. 
 * 
 * Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved 
 * 
 * Kraig Brockschmidt, Microsoft 
 * Internet  :  kraigb@microsoft.com 
 * Compuserve:  >INTERNET:kraigb@microsoft.com 
 */ 
 
 
#ifndef _IPOLY8_H_ 
#define _IPOLY8_H_ 
 
 
//Versioning. 
#define VERSIONMAJOR                2 
#define VERSIONMINOR                0 
#define VERSIONCURRENT              0x00020000 
 
#define CPOLYLINEPOINTS             20 
 
//Version 2.0 Polyline Structure 
typedef struct tagPOLYLINEDATA 
    { 
    WORD        wVerMaj;                //Major version number 
    WORD        wVerMin;                //Minor version number 
    WORD        cPoints;                //Number of points 
    short       fReserved;              //Previously fDrawEntire 
    RECTS       rc;                     //Rectangle of figure 
    POINTS      rgpt[CPOLYLINEPOINTS];  //Points on 0-32767 grid 
 
    //Version 2.0 additions 
    COLORREF    rgbBackground;          //Background color 
    COLORREF    rgbLine;                //Line color 
    short       iLineStyle;             //Line style 
    } POLYLINEDATA, *PPOLYLINEDATA; 
 
#define CBPOLYLINEDATA   sizeof(POLYLINEDATA) 
 
 
 
#undef  INTERFACE 
#define INTERFACE IPolylineAdviseSink8 
 
 
/* 
 * When someone initializes a polyline and is interested in receiving 
 * notifications on events, then they provide one of these objects. 
 */ 
 
DECLARE_INTERFACE_(IPolylineAdviseSink8, IUnknown) 
    { 
    //IUnknown members 
    STDMETHOD(QueryInterface) (THIS_ REFIID, PPVOID) PURE; 
    STDMETHOD_(ULONG,AddRef)  (THIS) PURE; 
    STDMETHOD_(ULONG,Release) (THIS) PURE; 
 
    //Advise members. 
    STDMETHOD_(void,OnPointChange)     (THIS) PURE; 
    STDMETHOD_(void,OnSizeChange)      (THIS) PURE; 
    STDMETHOD_(void,OnDataChange)      (THIS) PURE; 
    STDMETHOD_(void,OnColorChange)     (THIS) PURE; 
    STDMETHOD_(void,OnLineStyleChange) (THIS) PURE; 
    }; 
 
typedef IPolylineAdviseSink8 *PPOLYLINEADVISESINK8; 
 
 
#undef  INTERFACE 
#define INTERFACE IPolyline8 
 
DECLARE_INTERFACE_(IPolyline8, IUnknown) 
    { 
    //IUnknown members 
    STDMETHOD(QueryInterface) (THIS_ REFIID, PPVOID) PURE; 
    STDMETHOD_(ULONG,AddRef)  (THIS) PURE; 
    STDMETHOD_(ULONG,Release) (THIS) PURE; 
 
    //IPolyline members 
 
    //File-related members use IPersistStorage, IPersistStreamInit 
 
    //Data transfer members: 
    STDMETHOD(DataSet)      (THIS_ PPOLYLINEDATA, BOOL, BOOL) PURE; 
    STDMETHOD(DataGet)      (THIS_ PPOLYLINEDATA) PURE; 
    STDMETHOD(DataSetMem)   (THIS_ HGLOBAL, BOOL, BOOL, BOOL) PURE; 
    STDMETHOD(DataGetMem)   (THIS_ HGLOBAL *) PURE; 
    STDMETHOD(RenderBitmap) (THIS_ HBITMAP *) PURE; 
    STDMETHOD(RenderMetafile) (THIS_ HMETAFILE *) PURE; 
    STDMETHOD(RenderMetafilePict) (THIS_ HGLOBAL *) PURE; 
 
    //Manipulation members: 
    STDMETHOD(Init)   (THIS_ HWND, LPRECT, DWORD, UINT) PURE; 
    STDMETHOD(New)    (THIS) PURE; 
    STDMETHOD(Undo)   (THIS) PURE; 
    STDMETHOD(Window) (THIS_ HWND *) PURE; 
 
    STDMETHOD(RectGet) (THIS_ LPRECT) PURE; 
    STDMETHOD(SizeGet) (THIS_ LPRECT) PURE; 
    STDMETHOD(RectSet) (THIS_ LPRECT, BOOL) PURE; 
    STDMETHOD(SizeSet) (THIS_ LPRECT, BOOL) PURE; 
 
    STDMETHOD(ColorSet) (THIS_ UINT, COLORREF, COLORREF *) PURE; 
    STDMETHOD(ColorGet) (THIS_ UINT, COLORREF *) PURE; 
 
    STDMETHOD(LineStyleSet) (THIS_ UINT, UINT *) PURE; 
    STDMETHOD(LineStyleGet) (THIS_ UINT *) PURE; 
    }; 
 
typedef IPolyline8 *PPOLYLINE8; 
 
 
//Error values for data transfer functions 
#define POLYLINE_E_INVALIDPOINTER   \ 
    MAKE_SCODE(SEVERITY_ERROR, FACILITY_ITF, 1) 
#define POLYLINE_E_READFAILURE      \ 
    MAKE_SCODE(SEVERITY_ERROR, FACILITY_ITF, 2) 
#define POLYLINE_E_WRITEFAILURE     \ 
    MAKE_SCODE(SEVERITY_ERROR, FACILITY_ITF, 3) 
 
 
//Color indices for color member functions 
#define POLYLINECOLOR_BACKGROUND    0 
#define POLYLINECOLOR_LINE          1 
 
 
#endif //_IPOLY8_H_