WXFORM.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. 
\******************************************************************************/ 
 
/*  wxform.h -- header file for World transform sample.  */ 
 
 
LRESULT CALLBACK MainWndProc     (HWND, UINT, WPARAM, LPARAM); 
LRESULT CALLBACK TransformDlgProc(HWND, UINT, WPARAM, LPARAM); 
LRESULT CALLBACK MouseDlgProc    (HWND, UINT, WPARAM, LPARAM); 
 
 
 
/* dialog id's for the Transform dialog */ 
#define IDD_EM11        101 
#define IDD_EM12        102 
#define IDD_EDX         103 
#define IDD_EM21        104 
#define IDD_EM22        105 
#define IDD_EDY         106 
#define IDD_13          107 
#define IDD_23          108 
#define IDD_33          109 
#define IDD_SETXFORM    110 
#define IDD_IDENTITY    111 
 
 
/* dialog id's for the Mouse dialog */ 
#define IDD_SCREENX     201 
#define IDD_SCREENY     202 
#define IDD_DEVICEX     203 
#define IDD_DEVICEY     204 
#define IDD_WORLDX      205 
#define IDD_WORLDY      206 
 
/* string table ids's */ 
#define IDS_NTONLY        16 
#define IDS_WINDOWTITLE   17 
 
/* special messages for doTrackobject(). */ 
#define TROB_NEW         WM_USER+1 
#define TROB_DELETE      WM_USER+2 
#define TROB_PAINT       WM_USER+3 
#define TROB_HITTEST     WM_USER+5 
#define TROB_CENTER      WM_USER+6 
#define TROB_SETXFORM    WM_USER+7 
 
/* special user message for two of the dialogs */ 
#define WM_PUTUPFLOATS  WM_USER+1 
 
 
/* Different "Track modes." */ 
#define TMNONE    0x0000 
#define TMMOVE    0x0001 
#define TMSIZEX   0x0002 
#define TMSIZEY   0x0004 
#define TMSIZEXY  0x0006 
#define TMSHEARX  0x0010 
#define TMSHEARY  0x0020 
#define TMROTATE  0x0008 
 
 
/* misc. defines for drawing and formating */ 
#define TICKSPACE 20 
#define MAXCHARS  32 
#define INC   5 
#define FORMATFLOAT    "%1.2f" 
#define GRIDCOLOR (COLORREF) 0x01000006 
 
 
 
/* structure for the track object.  c.f. ptoRect */ 
typedef struct tagTrackObject{ 
    RECT   rect; 
    XFORM  xfmChange;   /* World coordinate transform      */ 
    XFORM  xfmDown;     /* transform when the mouse down happens. */ 
    HDC    hdc; 
    int    Mode;        /* TMROTATE, TMSIZEXY, TMMOVE, ... */ 
    struct tagTrackObject* Next; 
} TrackObject, *PTrackObject; 
 
 
/* function prototypes. */ 
PTrackObject doTrackObject(PTrackObject, int, HWND, LONG); 
VOID MouseMove(PTrackObject, int, HWND, LONG); 
VOID CenterOrigin (HWND, HDC); 
 
 
/* Global variables. */ 
BOOL showTransform, showMouse, showHelp; 
HWND hwndTransform, hwndMouse, hwndHelp; 
PTrackObject ptoRect = NULL; 
HANDLE hInst; 
HWND   hwndMain;