/*===============================================================*/
/*                                                               */
/*       RgnDem.h - LEAD API MDI Region header file              */
/*                                                               */
/*       Copyright (C) 1991-2001 by LEAD Technologies, Inc.      */
/*                                                               */
/*       All Rights Reserved                                     */
/*                                                               */
/*===============================================================*/

#ifndef _MDIRGN_H_
#define _MDIRGN_H_

#include <math.h>

#include "..\..\..\include\l_bitmap.h"
#include "resource.h"

extern HWND      hWndFrame, hWndClient;
extern HMENU     hMenuInitWindow, hMenuChildWindow;
extern HMENU     hMenuInit, hMenuChild, hContextMenu;
extern L_TCHAR    szAppName[];
extern L_TCHAR    szFrameClass[];
extern L_TCHAR    szChildClass[];
extern HINSTANCE hInst;


#define INIT_MENU_POS   0
#define CHILD_MENU_POS  4

#define IDM_FIRSTCHILD  5000
#define L_SRCCOPY (CB_DST_0 | CB_OP_OR)
#define SCROLL_RATIO                10


#define CHILDCREATELPARAM(lpCreateStruct) \
            (((LPMDICREATESTRUCT) ((lpCreateStruct)->lpCreateParams))->lParam)

#define RECTWIDTH(lpRect) (((LPRECT) lpRect)->right - ((LPRECT) lpRect)->left)
#define RECTHEIGHT(lpRect) (((LPRECT) lpRect)->bottom - ((LPRECT) lpRect)->top)

#ifdef WIN32
#define GETHBRBACKGROUND(hwnd) ((HBRUSH) GetClassLong(hwnd, GCL_HBRBACKGROUND))
#endif

LRESULT CALLBACK FrameWndProc  (HWND,UINT,WPARAM,LPARAM);
LRESULT CALLBACK ChildWndProc  (HWND,UINT,WPARAM,LPARAM);
L_BOOL  CALLBACK AboutDlgProc  (HWND,UINT,WPARAM,LPARAM);
L_BOOL  CALLBACK StatusDlgProc (HWND,UINT,WPARAM,LPARAM);
L_BOOL  CALLBACK CloseEnumProc (HWND, LPARAM);

L_INT    DoDialogBoxParam  (L_INT, HWND, DLGPROC, LPARAM);
L_INT    PasteBitmap       (HWND hWnd);
L_VOID   DoStatusDlg       (L_INT nDialog, HWND hWnd, DLGPROC pfnDialog);
L_VOID   ShowStatus        (L_INT nId, L_INT x, L_INT y);


HMENU     hMenuWindow;
HWND      hStatusDlg;
L_BOOL    fValidDraw;
L_INT     nRgnType;
L_INT     nRgn;
L_INT     nStat;

typedef struct tagCHILDDATA
{
   BITMAPHANDLE  LeadBitmap;
   BITMAPHANDLE  bmFloater, bmSave;
   HPALETTE      hPalette;
   RECT          rcView, rcSetRegion ;
   L_UINT        uFrameType;
   L_BOOL        bMovingFloater;
   L_BOOL        bDrawShape;
   L_BOOL        bDrawFrame;
   L_BOOL        bMagGlass ;
   HBITMAP       hbmSave, hbmFloater;
   HRGN          hrgnRegion, hrgnFloater;
   L_INT         cxClient;
   L_INT         cyClient;
   L_INT         nHScrollPos;
   L_INT         nVScrollPos;
   L_INT         nHScrollMax;
   L_INT         nVScrollMax;
   L_INT         nHScrollStep;
   L_INT         nVScrollStep;
   L_INT         xMoveSrc, yMoveSrc;
   L_INT         nMoveWidth, nMoveHeight;
   L_INT         xAnchor, yAnchor;
   L_INT         deltaX, deltaY;
   L_INT         xFloaterDest, yFloaterDest;
   L_INT         nFloaterWidth, nFloaterHeight;
   L_INT         nHScroll;
   L_INT         nVScroll;
   L_INT         nBitmapFormat;
   L_INT         nPtCount;
   LPTSTR        pszTitle;
   POINT         ptBeg;
   POINT         ptEnd;
   POINT L_FAR * pPolyPt;
   L_UINT        uTimerID;
   L_BOOL        bCapWnd;
   RECT          rcFrame, rcRgn;
} CHILDDATA, L_FAR *pCHILDDATA;

typedef struct tagCREATEDATA
{
   L_INT         nBitmapFormat;
   LPTSTR        pszTitle;
   L_BOOL        bIsFile;
   pBITMAPHANDLE pBitmap;
} CREATEDATA, L_FAR * LPCREATEDATA;

#endif // _MDIRGN_H_