//****************************************************************************************

// BCEngine.h

//

// Copyright 1999 by Apple Computer, Inc.

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

#ifndef __BCENGINE__

#define __BCENGINE__

#if PRAGMA_ONCE

#pragma once

#endif

#ifdef __cplusplus

extern "C" {

#endif

#if PRAGMA_IMPORT

#pragma import on

#endif

#if PRAGMA_STRUCT_ALIGN

    #pragma options align=mac68k

#elif PRAGMA_STRUCT_PACKPUSH

    #pragma pack(push, 2)

#elif PRAGMA_STRUCT_PACK

    #pragma pack(2)

#endif

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

// Public Constants

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

// Brightness/Contrast Engine SubType

enum {

    kContrastEngineComponentSubType             = 'cont',

    kOldContrastEngineComponentSubType          = 'bice'

};

// Notification Constants

enum {

    kContrastChanged            = FOUR_CHAR_CODE('cchn'),

    kBrightnessChanged          = FOUR_CHAR_CODE('bchn'),

    kAVNotifyDeviceReset        = FOUR_CHAR_CODE('rset')    

};

// Brightness/Contrast Engine Interface Version

enum {

    kContrastEngineComponentInterfaceRev        = 1L

};

// Brightness/Contrast Engine Component selectors

enum {

    kContrastEngineGetBrightnessRangeSelect     = 0,

    kContrastEngineGetBrightnessSelect          = 1,

    kContrastEngineSetBrightnessSelect          = 2,

    kContrastEngineGetContrastRangeSelect       = 3,

    kContrastEngineGetContrastSelect            = 4,

    kContrastEngineSetContrastSelect            = 5

};

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

// Public Types

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

typedef ComponentInstance               ContrastEngineComponent;

typedef ComponentResult                 ContrastEngineResult;

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

// Public Prototypes

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

pascal ContrastEngineResult

ContrastEngineGetBrightnessRange (ComponentInstance     ec,

                                 short *                min,

                                 short *                max)                                FIVEWORDINLINE(0x2F3C, 0x0008, 0x0000, 0x7000, 0xA82A);

pascal ContrastEngineResult

ContrastEngineGetBrightness     (ComponentInstance      ec,

                                 short *                brightness)                         FIVEWORDINLINE(0x2F3C, 0x0004, 0x0001, 0x7000, 0xA82A);

pascal ContrastEngineResult

ContrastEngineSetBrightness     (ComponentInstance      ec,

                                 short                  brightness)                         FIVEWORDINLINE(0x2F3C, 0x0002, 0x0002, 0x7000, 0xA82A);

pascal ContrastEngineResult

ContrastEngineGetContrastRange  (ComponentInstance      ec,

                                 short *                min,

                                 short *                max)                                FIVEWORDINLINE(0x2F3C, 0x0008, 0x0003, 0x7000, 0xA82A);

pascal ContrastEngineResult

ContrastEngineGetContrast       (ComponentInstance      ec,

                                 short *                contrast)                           FIVEWORDINLINE(0x2F3C, 0x0004, 0x0004, 0x7000, 0xA82A);

pascal ContrastEngineResult

ContrastEngineSetContrast       (ComponentInstance      ec,

                                 short                  contrast)                           FIVEWORDINLINE(0x2F3C, 0x0002, 0x0005, 0x7000, 0xA82A);

#if PRAGMA_STRUCT_ALIGN

    #pragma options align=reset

#elif PRAGMA_STRUCT_PACKPUSH

    #pragma pack(pop)

#elif PRAGMA_STRUCT_PACK

    #pragma pack()

#endif

#ifdef PRAGMA_IMPORT_OFF

#pragma import off

#elif PRAGMA_IMPORT

#pragma import reset

#endif

#ifdef __cplusplus

}

#endif

#endif // __BCENGINE__