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CHAP05
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POLYLINE
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POLYLINE.H
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C/C++ Source or Header
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1993-04-13
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6KB
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215 lines
/*
* POLYLINE.H
* Modifications for Chapter 5.
*
* Definitions and function prototypes for the PolyLine DLL object.
*
* Copyright (c)1993 Microsoft Corporation, All Rights Reserved
*
* Kraig Brockschmidt, Software Design Engineer
* Microsoft Systems Developer Relations
*
* Internet : kraigb@microsoft.com
* Compuserve: >INTERNET:kraigb@microsoft.com
*/
#ifndef _POLYLINE_H_
#define _POLYLINE_H_
#include <windows.h>
#include <ole2.h>
#include <classlib.h>
#include <bookguid.h>
#include <ipoly5.h>
#include "resource.h"
//Classname
#define SZCLASSPOLYLINE "polyline"
#define HIMETRIC_PER_INCH 2540
//Window extra bytes and offsets
#define CBPOLYLINEWNDEXTRA (sizeof(LONG))
#define PLWL_STRUCTURE 0
//DLLPOLY.CPP
//This class factory object creates Polyline objects.
class __far CPolylineClassFactory : public IClassFactory
{
protected:
ULONG m_cRef; //Reference count on object
public:
CPolylineClassFactory(void);
~CPolylineClassFactory(void);
//IUnknown members
STDMETHODIMP QueryInterface(REFIID, LPVOID FAR *);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
//IClassFactory members
STDMETHODIMP CreateInstance(LPUNKNOWN, REFIID, LPVOID FAR *);
STDMETHODIMP LockServer(BOOL);
};
typedef CPolylineClassFactory FAR * LPCPolylineClassFactory;
//POLYWIN.CPP
LRESULT __export FAR PASCAL PolylineWndProc(HWND, UINT, WPARAM, LPARAM);
//Type for an object-destroyed callback
typedef void (FAR PASCAL *LPFNDESTROYED)(void);
//POLYLINE.CPP
class __far CPolyline : public IUnknown
{
friend LRESULT __export FAR PASCAL PolylineWndProc(HWND, UINT, WPARAM, LPARAM);
//Make any contained interfaces your friends so they can get at privates
friend class CImpIPolyline;
friend class CImpIPersistStorage;
protected:
HWND m_hWnd;
HINSTANCE m_hInst;
ULONG m_cRef; //Object reference count.
LPUNKNOWN m_punkOuter; //Controlling Unknown for aggregation
LPFNDESTROYED m_pfnDestroy; //Function to call on closure.
BOOL m_fDirty; //Have we changed?
POLYLINEDATA m_pl; //Our actual data.
//CHAPTER5MOD
LPCStringTable m_pST; //Object strings
UINT m_cf; //Object clipboard format.
CLSID m_clsID; //Current CLSID
IID m_iID; //Custom interface IID.
//Contained interfaces
LPPOLYLINE m_pIPolyline;
LPPERSISTSTORAGE m_pIPersistStorage;
//End CHAPTER5MOD
LPPOLYLINEADVISESINK m_pAdv;
protected:
void PointScale(LPRECT, LPPOINT, BOOL);
void Draw(HDC, BOOL, BOOL);
void RectConvertMappings(LPRECT, BOOL);
public:
CPolyline(LPUNKNOWN, LPFNDESTROYED, HINSTANCE);
~CPolyline(void);
BOOL FInit(void);
//Non-delegating object IUnknown
STDMETHODIMP QueryInterface(REFIID, LPVOID FAR *);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
};
typedef CPolyline FAR * LPCPolyline;
//Interface implementation contained in the Polyline.
class __far CImpIPolyline : public IPolyline5
{
protected:
ULONG m_cRef; //Interface reference count.
LPVOID m_pObj; //Back pointer to the object.
LPUNKNOWN m_punkOuter; //Controlling unknown for delegation.
public:
CImpIPolyline(LPVOID, LPUNKNOWN);
~CImpIPolyline(void);
//IUnknown members.
STDMETHODIMP QueryInterface(REFIID, LPVOID FAR *);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
//CHAPTER5MOD
//::ReadFromFile and ::WriteToFile replaced with IPersistStorage.
//End CHAPTER5MOD
//Data transfer members:
STDMETHODIMP DataSet(LPPOLYLINEDATA, BOOL, BOOL);
STDMETHODIMP DataGet(LPPOLYLINEDATA);
STDMETHODIMP DataSetMem(HGLOBAL, BOOL, BOOL, BOOL);
STDMETHODIMP DataGetMem(HGLOBAL FAR *);
STDMETHODIMP RenderBitmap(HBITMAP FAR *);
STDMETHODIMP RenderMetafile(HMETAFILE FAR *);
STDMETHODIMP RenderMetafilePict(HGLOBAL FAR *);
//Manipulation members:
STDMETHODIMP Init(HWND, LPRECT, DWORD, UINT);
STDMETHODIMP New(void);
STDMETHODIMP Undo(void);
STDMETHODIMP Window(HWND FAR *);
STDMETHODIMP SetAdvise(LPPOLYLINEADVISESINK);
STDMETHODIMP GetAdvise(LPPOLYLINEADVISESINK FAR *);
STDMETHODIMP RectGet(LPRECT);
STDMETHODIMP SizeGet(LPRECT);
STDMETHODIMP RectSet(LPRECT, BOOL);
STDMETHODIMP SizeSet(LPRECT, BOOL);
STDMETHODIMP ColorSet(UINT, COLORREF, COLORREF FAR *);
STDMETHODIMP ColorGet(UINT, COLORREF FAR *);
STDMETHODIMP LineStyleSet(UINT, UINT FAR *);
STDMETHODIMP LineStyleGet(UINT FAR *);
};
typedef CImpIPolyline * LPCImpIPolyline;
//CHAPTER5MOD
//Interface implementation contained in the Polyline.
class __far CImpIPersistStorage : public IPersistStorage
{
protected:
ULONG m_cRef; //Interface reference count.
LPVOID m_pObj; //Back pointer to the object.
LPUNKNOWN m_punkOuter; //Controlling unknown for delegation.
public:
CImpIPersistStorage(LPVOID, LPUNKNOWN);
~CImpIPersistStorage(void);
STDMETHODIMP QueryInterface(REFIID, LPVOID FAR *);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
STDMETHODIMP GetClassID(LPCLSID);
STDMETHODIMP IsDirty(void);
STDMETHODIMP InitNew(LPSTORAGE);
STDMETHODIMP Load(LPSTORAGE);
STDMETHODIMP Save(LPSTORAGE, BOOL);
STDMETHODIMP SaveCompleted(LPSTORAGE);
STDMETHODIMP HandsOffStorage(void);
};
typedef CImpIPersistStorage * LPCImpIPersistStorage;
//End CHAPTER5MOD
#endif //_POLYLINE_H_