POLY.H

/******************************************************************************\ 
*       This is a part of the Microsoft Source Code Samples.  
*       Copyright 1993 - 1998 Microsoft Corporation. 
*       All rights reserved.  
*       This source code is only intended as a supplement to  
*       Microsoft Development Tools and/or WinHelp documentation. 
*       See these sources for detailed information regarding the  
*       Microsoft samples programs. 
\******************************************************************************/ 
 
 
#ifdef WIN16 
#define APIENTRY FAR PASCAL 
typedef WORD WPARAM; 
//#else 
//typedef DWORD WPARAM; 
#endif 
 
 
#define POLYCLASS  "POLYDEMO" 
 
#define MAX_BEZIER 80 
#define VELMAX     10 
#define VELMIN      2 
#define BEZ_CURVES  1              //Number of Curves in the Bezier 
#define BEZ_PTS    3*BEZ_CURVES+1  //Number of Points is the #Curves * 3 + 1  
 
 
/* 
** This structue defines a basic bezier curve.  It is intended to be used in 
** an array of beziers. 
*/ 
typedef struct _BEZBUFFER 
{ 
    POINT pPts[BEZ_PTS]; 
} BEZBUFFER; 
typedef BEZBUFFER      *PBEZBUFFER; 
typedef BEZBUFFER NEAR *NPBEZBUFFER; 
typedef BEZBUFFER FAR  *LPBEZBUFFER; 
 
 
/* 
** This is the main object for the polybezier window.  This structure defines 
** a series of bezier curves and the distance between each curve. 
*/ 
typedef struct _POLYDATA 
{ 
    int      nBezTotal; 
    int      nBezCurr; 
    int      nColor; 
    POINT    pVel[BEZ_PTS]; 
    HANDLE   hBezBuffer; 
} POLYDATA; 
typedef POLYDATA      *PPOLYDATA; 
typedef POLYDATA NEAR *NPPOLYDATA; 
typedef POLYDATA FAR  *LPPOLYDATA; 
 
 
/* 
** POLYBEZIER WINDOW ROUTINES (poly.c) 
*/ 
HWND  FAR      CreatePolyWindow(HWND,int); 
LONG  APIENTRY PolyProc(HWND,UINT,WPARAM,LONG); 
BOOL           PolyCreateProc(HWND); 
VOID           PolyDestroyProc(HWND); 
BOOL           PolyCommandProc(HWND,WPARAM,LONG); 
VOID           PolyPaintProc(HWND); 
 
 
VOID           PolyRedraw(HWND); 
int            PolyNewVel(int); 
VOID           PolyInitPoints(HWND); 
VOID           PolyDrawBez(HWND);