/*

    File:       ExampleVideoPanelPrivate.h

    Contains:   Private header file for example video panel component routines.

    Written by: Gary Woodcock

    Copyright:  © 1992 by Apple Computer, Inc., all rights reserved.

    Change History (most recent first):

*/

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

// Includes

#ifndef _EXAMPLEVIDEOPANELPRIVATE_

#define _EXAMPLEVIDEOPANELPRIVATE_

#include <QuickTimeComponents.h>

#include "DebugFlags.h"

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

// Private constants

// Base resource ID

enum

{

    kBaseResID = 500

};

// Maximum number of instances that can be opened

enum

{

    kMaxExampleVideoPanelInstances = 1

};

// Component and interface revision levels

enum

{

    exampleVideoPanelInterfaceRevision = 0x00010001 

};

enum

{

    kGenericError = -1L // Handy return code

};

// DITL ID

enum

{

    kExampleVideoPanelDITLID = kBaseResID

};

// DITL items

enum

{

    kZeroBlackButton = 1,

    kResetButton,

    kSeparator,

    kTextBlurb

};

enum

{

    kDKey = 0x02,

    kRKey = 0x0F

};

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

// Private types

typedef struct  PanelGlobals

{

    Component           self;

    SeqGrabComponent    seqGrabber;

    SGChannel           videoChannel;

    short               resRefNum;

    Pattern             grayPat;

    unsigned short      savedBlackLevel;

}

PanelGlobals, *PanelGlobalsPtr, **PanelGlobalsHdl;

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

// Private prototypes

#ifdef DEBUG_IT

// Only need this prototype if we're running linked (for debugging)

pascal ComponentResult

ExampleVideoPanelDispatcher (ComponentParameters *params, Handle storage);

#endif DEBUG_IT

pascal ComponentResult

_ExampleVideoPanelOpen (Handle storage, ComponentInstance self);

pascal ComponentResult

_ExampleVideoPanelClose (Handle storage, ComponentInstance self);

pascal ComponentResult

_ExampleVideoPanelCanDo (short selector);

pascal ComponentResult

_ExampleVideoPanelVersion (void);

pascal ComponentResult

_ExampleVideoPanelGetDitl (Handle storage, Handle *ditl);

pascal ComponentResult

_ExampleVideoPanelGetTitle (Handle storage, Str255 title);

pascal ComponentResult

_ExampleVideoPanelCanRun (Handle storage, SGChannel c);

pascal ComponentResult

_ExampleVideoPanelInstall (Handle storage, SGChannel c, DialogPtr d, short itemOffset);

pascal ComponentResult

_ExampleVideoPanelEvent (Handle storage, SGChannel c, DialogPtr d, short itemOffset,

    EventRecord *theEvent, short *itemHit, Boolean *handled);

pascal ComponentResult

_ExampleVideoPanelItem (Handle storage, SGChannel c, DialogPtr d, short itemOffset, short itemNum);

pascal ComponentResult

_ExampleVideoPanelRemove (Handle storage, SGChannel c, DialogPtr d, short itemOffset);

pascal ComponentResult

_ExampleVideoPanelSetGrabber (Handle storage, SeqGrabComponent sg);

pascal ComponentResult

_ExampleVideoPanelSetResFile (Handle storage, short resRef);

pascal ComponentResult

_ExampleVideoPanelGetSettings (Handle storage, SGChannel c, UserData *ud, long flags);

pascal ComponentResult

_ExampleVideoPanelSetSettings (Handle storage, SGChannel c, UserData ud, long flags);

pascal ComponentResult

_ExampleVideoPanelValidateInput (Handle storage, Boolean *ok);

static OSErr

FakeButtonHit (ControlHandle theButton);

static OSErr

FakeDialogButtonHit (DialogPtr theDialog, short theButtonItem);

static void

SetUserItem (DialogPtr theDialog, short theItem, Handle userProc);

static Handle

GetItemHandle (DialogPtr theDialog, short theItem);

static void

GetItemBox (DialogPtr theDialog, short theItem, Rect *theRect);

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

#endif  _EXAMPLEVIDEOPANELPRIVATE_

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