#ifndef __WCENTER__

#define __WCENTER__

/*---------------------------------------------------------------------------------------

//  File:       WCenter.h   

//  Date:       February 13, 1989

//

//  by Mike Puckett, Macintosh CPU Software Quality, x4-1332.

//  © 1989 - 1990, Apple Computer, Inc.

//---------------------------------------------------------------------------------------

*/

/* Useful constants ---------------------------------------------------------------------

*/

#ifdef THINK_C

#undef  topLeft

#undef  botRight

#define zoomDocProc  8

#define zoomNoGrow  12

#endif

#define doMFAdjust  true            /* For use with GetCurScreenRect()  */

#define ignoreMF    false

enum

{   bothHV = 1,

    hOnly,

    vOnly,

    vThird

    };

typedef short CenteringType;

enum                                /* tic-tac-toe:         */

{   topLeft = 1,                    /* ------------         */

    botLeft,                        /*      tL  mT  tR      */

    topRight,                       /*      mL  XX  mR      */                              

    botRight,                       /*      bL  mB  bR      */

    midTop,

    midLeft,

    midBot,

    midRight

    };

typedef short CorneringType;

enum

{   resizeInPlace,                  /* resize from t,l      */  

    resizeFromZero,                 /* resize from 0,0      */

    resizeV2Scrn,                   /* resize to Screen V,h */

    resizeH2Scrn,                   /* resize to Screen H,v */          

    resizeBothHV2Scrn               /* resize to Screen H,V */

    };

typedef short ResizingType;

#ifndef THINK_C

    typedef pascal GDHandle (* CenteringProcPtr)(ResType resType, short resID, short constraint);

#else

    typedef ProcPtr CenteringProcPtr;

#endif

#ifdef __safe_link

extern "C" {

#endif

extern pascal void      InitWCenter(                        void);

/* The routines -------------------------------------------------------------------------

//

// GetRectGDevice() is a utility routine used by GetCurScreenRect(),

// and should not be used unless GDevices exists.  The routines

// that use GetCurScreenRect(), like SetZoom2CurScreen(), return

// nil on machines where GDevices donÕt exists.

*/

extern pascal short     HRectLength(        Rect            *theRect);

extern pascal short     VRectLength(        Rect            *theRect);

extern pascal void      CenterOfRect(       Rect            *theRect,

                                            Point           *thePoint);

extern pascal GDHandle  GetRectGDevice(     Rect            *srcRect);

extern pascal GDHandle  GetCurScreenRect(   Rect            *srcRect,

                                            Rect            *screenRect,

                                            Boolean         mfAdjust);

extern pascal void      GetCurSrcRect(      Rect            *srcRect);

extern        short     DeltaTop(           ResType         resID,

                                            short           wVariant);

extern        short     DeltaLeft(          ResType         resID,

                                            short           wVariant);

extern pascal GDHandle  SetZoom2CurScreen(  WindowPtr       theWindow);

extern pascal void      CenterWRectToXRect( ResType         resType,

                                            short           resID,

                                            Rect            *theXRect,

                                            CenteringType   constraint);

extern pascal void      CornerWRectToXRect( ResType         resType,

                                            short           resID,

                                            Rect            *theXRect,

                                            CorneringType   constraint);

extern pascal GDHandle  CenterWRsrc(        ResType         resType,

                                            short           resID,

                                            CenteringType   constraint);

extern pascal GDHandle  CornerWRsrc(        ResType         resType,

                                            short           resID,

                                            CorneringType   constraint);

extern pascal void      ResizeWRsrc(        ResType         resType,

                                            short           resID,

                                            Point           size,

                                            ResizingType    constraint);

extern pascal GDHandle  OffsetWRsrc(        ResType         resType,

                                            short           resID,  

                                            short           wCount);

extern pascal void      GetDLOGTemplate(    short           resID,

                                            DialogTPtr      dlogTPtr);

extern pascal void      SetDLOGTemplate(    short           resID,

                                            DialogTPtr      dlogTPtr);

#ifdef __safe_link

}

#endif

#endif