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//

//  File:       VRBackBuffer.h

//

//  Contains:   Sample code showing how to work with orientation of QuickTime VR back buffer.

//

//  Written by: Ken Doyle

//  Revised by: Tim Monroe

//

//  Copyright:  © 1999 by Apple Computer, Inc., all rights reserved.

//

//  Change History (most recent first):

//

//     <1>      06/26/99    rtm     first file 

//     

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//     

// header files

//     

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#ifndef __MOVIES__

#include <Movies.h>

#endif

#ifndef __FIXMATH__

#include <FixMath.h>

#endif

#ifndef __QUICKTIMEVR__

#include <QuickTimeVR.h>

#endif

#ifndef __QUICKDRAW__

#include <QuickDraw.h>

#endif

#ifndef __QTVRUtilities__

#include "QTVRUtilities.h"

#endif

#ifndef __QTUtilities__

#include "QTUtilities.h"

#endif

#include "ComApplication.h"

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//     

// compiler macros

//     

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//     

// constants

//     

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#define kDefaultEmbPictWidth        QTVRUtils_DegreesToRadians(30.0)

#define kQTVRNormalPictID           1010

#define kQTVRRotatedPictID          1011

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//     

// function prototypes

//     

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ApplicationDataHdl                  VRBB_InitWindowData (WindowObject theWindowObject);

void                                VRBB_DumpWindowData (WindowObject theWindowObject);

OSErr                               VRBB_InstallBackBufferImagingProc (QTVRInstance theInstance, WindowObject theWindowObject, short thePictResID, Boolean theIsHoriz);

OSErr                               VRBB_CleanUpBackBuffer (WindowObject theWindowObject);

PASCAL_RTN OSErr                    VRBB_BackBufferImagingProc (QTVRInstance theInstance, Rect *theRect, UInt16 theAreaIndex, UInt32 theFlagsIn, UInt32 *theFlagsOut, long theRefCon);

Boolean                             VRBB_IsBackBufferHorizontal (QTVRInstance theInstance);