/*
 	File:		VideoServices.h
 
 	Contains:	Video Services Library Interfaces.
 
 	Version:	Technology:	PowerSurge 1.0.2
 				Release:	QuickTime 4.0
 
 	Copyright:	(c) 1994-1998 by Apple Computer, Inc., all rights reserved
 
 	Bugs?:		For bug reports, consult the following page on
 				the World Wide Web:
 
 					http://developer.apple.com/bugreporter/
 
*/
#ifndef __VIDEOSERVICES__
#define __VIDEOSERVICES__

#ifndef __MACTYPES__
#include <MacTypes.h>
#endif
#ifndef __NAMEREGISTRY__
#include <NameRegistry.h>
#endif
#ifndef __QUICKDRAW__
#include <Quickdraw.h>
#endif



#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


enum {
	kTransparentEncoding		= 0,
	kInvertingEncoding			= 1
};


enum {
	kTransparentEncodingShift	= (kTransparentEncoding << 1),
	kTransparentEncodedPixel	= (0x01 << kTransparentEncodingShift),
	kInvertingEncodingShift		= (kInvertingEncoding << 1),
	kInvertingEncodedPixel		= (0x01 << kInvertingEncodingShift)
};





enum {
	kHardwareCursorDescriptorMajorVersion = 0x0001,
	kHardwareCursorDescriptorMinorVersion = 0x0000
};

typedef UInt32 *						UInt32Ptr;

struct HardwareCursorDescriptorRec {
	UInt16 							majorVersion;
	UInt16 							minorVersion;
	UInt32 							height;
	UInt32 							width;
	UInt32 							bitDepth;
	UInt32 							maskBitDepth;
	UInt32 							numColors;
	UInt32Ptr 						colorEncodings;
	UInt32 							flags;
	UInt32 							supportedSpecialEncodings;
	UInt32 							specialEncodings[16];
};
typedef struct HardwareCursorDescriptorRec HardwareCursorDescriptorRec;

typedef HardwareCursorDescriptorRec *	HardwareCursorDescriptorPtr;

enum {
	kHardwareCursorInfoMajorVersion = 0x0001,
	kHardwareCursorInfoMinorVersion = 0x0000
};


struct HardwareCursorInfoRec {
	UInt16 							majorVersion;				/* Test tool should check for kHardwareCursorInfoMajorVersion1*/
	UInt16 							minorVersion;				/* Test tool should check for kHardwareCursorInfoMinorVersion1*/
	UInt32 							cursorHeight;
	UInt32 							cursorWidth;
	CTabPtr 						colorMap;					/* nil or big enough for hardware's max colors*/
	Ptr 							hardwareCursor;
	UInt32 							reserved[6];				/* Test tool should check for 0s*/
};
typedef struct HardwareCursorInfoRec	HardwareCursorInfoRec;

typedef HardwareCursorInfoRec *			HardwareCursorInfoPtr;


enum {
	kVBLInterruptServiceType	= FOUR_CHAR_CODE('vbl '),
	kHBLInterruptServiceType	= FOUR_CHAR_CODE('hbl '),
	kFrameInterruptServiceType	= FOUR_CHAR_CODE('fram'),
	kConnectInterruptServiceType = FOUR_CHAR_CODE('dci '),		/* Renamed -- Use kFBCheckInterruptServiceType*/
	kFBConnectInterruptServiceType = kConnectInterruptServiceType, /* Demand to check configuration (Hardware unchanged)*/
	kFBChangedInterruptServiceType = FOUR_CHAR_CODE('chng'),	/* Demand to rebuild (Hardware has reinitialized on dependent change)*/
	kFBOfflineInterruptServiceType = FOUR_CHAR_CODE('remv'),	/* Demand to remove framebuffer (Hardware not available on dependent change -- but must not buserror)*/
	kFBOnlineInterruptServiceType = FOUR_CHAR_CODE('add ')		/* Notice that hardware is available (after being removed)*/
};


enum {
	kMaxDisplayConfigDataSize	= 64							/* Max data size for VSLSetDisplayConfiguration*/
};

typedef ResType 						InterruptServiceType;
typedef UInt32 							InterruptServiceIDType;
typedef InterruptServiceIDType *		InterruptServiceIDPtr;
EXTERN_API_C( OSErr )
VSLNewInterruptService			(RegEntryID *			serviceDevice,
								 InterruptServiceType 	serviceType,
								 InterruptServiceIDPtr 	serviceID);

EXTERN_API_C( OSErr )
VSLWaitOnInterruptService		(InterruptServiceIDType  serviceID,
								 Duration 				timeout);

EXTERN_API_C( OSErr )
VSLDisposeInterruptService		(InterruptServiceIDType  serviceID);

EXTERN_API_C( OSErr )
VSLDoInterruptService			(InterruptServiceIDType  serviceID);

EXTERN_API_C( Boolean )
VSLPrepareCursorForHardwareCursor (void *				cursorRef,
								 HardwareCursorDescriptorPtr  hardwareDescriptor,
								 HardwareCursorInfoPtr 	hwCursorInfo);

EXTERN_API_C( OSErr )
VSLSetDisplayConfiguration		(RegEntryID *			device,
								 RegPropertyName *		propertyName,
								 void *					configData,
								 long 					configDataSize);



#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 /* __VIDEOSERVICES__ */

