POLYLINE.H

/* 
 * POLYLINE.H 
 * 
 * Definitions and function prototypes for the PolyLine window class. 
 * 
 * Copyright(c) Microsoft Corp. 1992-1994 All Rights Reserved 
 * Win32 version, January 1994 
 */ 
 
 
//Need some extra types for Windows 3.1 
#ifndef WIN32 
#ifndef POINTS 
typedef POINT POINTS; 
#endif  //POINTS 
 
#ifndef LPPOINTS 
typedef POINTS FAR *LPPOINTS; 
#endif  //LPPOINTS 
#endif 
 
typedef struct 
    { 
    short   left; 
    short   top; 
    short   right; 
    short   bottom; 
    } RECTS, FAR *LPRECTS; 
 
#define RECTSTORECT(rs, r) {(r).left=(rs).left;(r).top=(rs).top; \ 
    (r).right=(rs).right;(r).bottom=(rs).bottom;}; 
 
#define RECTTORECTS(r, rs) {(rs).left=(short)(r).left;(rs).top=(short)(r).top; \ 
    (rs).right=(short)(r).right;(rs).bottom=(short)(r).bottom;}; 
 
//Messages 
#define PLM_RECTSET         WM_USER 
#define PLM_POLYLINESET     WM_USER+1 
#define PLM_POLYLINEGET     WM_USER+2 
#define PLM_POLYLINENEW     WM_USER+3 
#define PLM_BITMAPGET       WM_USER+4 
#define PLM_METAFILEGET     WM_USER+5 
#define PLM_METAFILEPICTGET WM_USER+6 
#define PLM_BACKUPUNDO      WM_USER+7 
 
//Notifications 
#define PLN_POINTCHANGE     1 
#define PLN_SIZECHANGE      2 
 
//Definitions and structures. 
#define CPOLYLINEPOINTS     20 
#define CBPOLYLINEWNDEXTRA  sizeof(HLOCAL) 
 
typedef struct 
    { 
    WORD        wVerMaj;                //Major version number. 
    WORD        wVerMin;                //Minor version number. 
    WORD        cPoints;                //Number of points. 
    WORD        fDrawEntire;            //Flag to draw entire figure. 
    RECTS       rc; 
    POINTS      rgpt[CPOLYLINEPOINTS];  //Array of points. 
    } POLYLINE; 
 
typedef POLYLINE FAR *LPPOLYLINE; 
#define CBPOLYLINE sizeof(POLYLINE) 
 
 
//Function prototypes. 
HWND     WINAPI HPolylineWindowCreate(HWND, HINSTANCE); 
LONG     WINAPI PolylineWndProc(HWND, UINT, WPARAM, LPARAM); 
DWORD    PASCAL LPolylineUserMessage(HWND, UINT, WPARAM, LPARAM, LPPOLYLINE); 
void     PASCAL PolylineDraw(HWND, HDC, LPPOLYLINE);