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/*
File: GXMath.h Contains: QuickDraw GX math routine interfaces. Version: Technology: Quickdraw GX 1.1 Release: QuickTime 7.3 Copyright: (c) 2007 (c) 1994-2006 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 __GXMATH__
#define __GXMATH__
#ifndef __CONDITIONALMACROS__
#include <ConditionalMacros.h>
#endif
#ifndef __MACTYPES__
#include <MacTypes.h>
#endif
#ifndef __FIXMATH__
#include <FixMath.h>
#endif
#ifndef __IMAGECODEC__
#include <ImageCodec.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
#if defined(__MWERKS__) && TARGET_CPU_68K
#pragma push
#pragma pointers_in_D0
#endif
/* Now defined in ImageCodec.i*/#if 0
struct gxPoint { Fixed x; Fixed y;};typedef struct gxPoint gxPoint;#endif /* 0 */
typedef unsigned short gxColorValue;struct gxPolar { Fixed radius; Fixed angle;};typedef struct gxPolar gxPolar;struct gxMapping { Fixed map[3][3];};typedef struct gxMapping gxMapping;#define gxColorValue1 ((gxColorValue) 0x0000FFFF)
#define gxPositiveInfinity ((long) 0x7FFFFFFFL)
#define gxNegativeInfinity ((long) 0x80000000L)
#if CALL_NOT_IN_CARBON
/*
* CopyToMapping() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxMapping * )CopyToMapping( gxMapping * target, const gxMapping * source) THREEWORDINLINE(0x303C, 0x0031, 0xA832);
/*
* InvertMapping() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxMapping * )InvertMapping( gxMapping * target, const gxMapping * source) THREEWORDINLINE(0x303C, 0x0032, 0xA832);
/*
* MapMapping() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxMapping * )MapMapping( gxMapping * target, const gxMapping * source) THREEWORDINLINE(0x303C, 0x0033, 0xA832);
/*
* MoveMapping() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxMapping * )MoveMapping( gxMapping * target, Fixed hOffset, Fixed vOffset) THREEWORDINLINE(0x303C, 0x0034, 0xA832);
/*
* MoveMappingTo() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxMapping * )MoveMappingTo( gxMapping * target, Fixed hPosition, Fixed vPosition) THREEWORDINLINE(0x303C, 0x0035, 0xA832);
/*
* NormalizeMapping() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxMapping * )NormalizeMapping(gxMapping * target) THREEWORDINLINE(0x303C, 0x0036, 0xA832);
/*
* RotateMapping() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxMapping * )RotateMapping( gxMapping * target, Fixed angle, Fixed xCenter, Fixed yCenter) THREEWORDINLINE(0x303C, 0x0037, 0xA832);
/*
* ScaleMapping() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxMapping * )ScaleMapping( gxMapping * target, Fixed hFactor, Fixed vFactor, Fixed xCenter, Fixed yCenter) THREEWORDINLINE(0x303C, 0x0038, 0xA832);
/*
* ResetMapping() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxMapping * )ResetMapping(gxMapping * target) THREEWORDINLINE(0x303C, 0x0039, 0xA832);
/*
* SkewMapping() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxMapping * )SkewMapping( gxMapping * target, Fixed skewX, Fixed skewY, Fixed xCenter, Fixed yCenter) THREEWORDINLINE(0x303C, 0x003A, 0xA832);
/*
* MapPoints() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( void )MapPoints( const gxMapping * source, long count, gxPoint theVector[]) THREEWORDINLINE(0x303C, 0x003B, 0xA832);
/*
* FirstBit() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( short )FirstBit(unsigned long x) THREEWORDINLINE(0x303C, 0x003C, 0xA832);
/*
* WideScale() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( short )WideScale(const wide * source) THREEWORDINLINE(0x303C, 0x003D, 0xA832);
/*
* LinearRoot() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( short )LinearRoot( Fixed first, Fixed last, Fract t[]) THREEWORDINLINE(0x303C, 0x003E, 0xA832);
/*
* QuadraticRoot() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( short )QuadraticRoot( Fixed first, Fixed control, Fixed last, Fract t[]) THREEWORDINLINE(0x303C, 0x003F, 0xA832);
/*
* PolarToPoint() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxPoint * )PolarToPoint( const gxPolar * ra, gxPoint * xy) THREEWORDINLINE(0x303C, 0x0040, 0xA832);
/*
* PointToPolar() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( gxPolar * )PointToPolar( const gxPoint * xy, gxPolar * ra) THREEWORDINLINE(0x303C, 0x0041, 0xA832);
/*
* FractCubeRoot() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( Fract )FractCubeRoot(Fract source) THREEWORDINLINE(0x303C, 0x0042, 0xA832);
/*
* FractDivide() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( Fract )FractDivide( Fract dividend, Fract divisor) THREEWORDINLINE(0x303C, 0x0043, 0xA832);
/*
* FractMultiply() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( Fract )FractMultiply( Fract multiplicand, Fract multiplier) THREEWORDINLINE(0x303C, 0x0044, 0xA832);
/*
* FractSineCosine() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( Fract )FractSineCosine( Fixed degrees, Fract * cosine) THREEWORDINLINE(0x303C, 0x0045, 0xA832);
/*
* FractSquareRoot() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( Fract )FractSquareRoot(Fract source) THREEWORDINLINE(0x303C, 0x0046, 0xA832);
/*
* FixedDivide() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( Fixed )FixedDivide( Fixed dividend, Fixed divisor) THREEWORDINLINE(0x303C, 0x0047, 0xA832);
/*
* FixedMultiply() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( Fixed )FixedMultiply( Fixed multiplicand, Fixed multiplier) THREEWORDINLINE(0x303C, 0x0048, 0xA832);
/* This next call is (source * multiplier / divisor) -- it avoids underflow, overflow by using wides *//*
* MultiplyDivide() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( long )MultiplyDivide( long source, long multiplier, long divisor) THREEWORDINLINE(0x303C, 0x0049, 0xA832);
/*
* Magnitude() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( unsigned long )Magnitude( long deltaX, long deltaY) THREEWORDINLINE(0x303C, 0x004A, 0xA832);
/*
* VectorMultiplyDivide() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( long )VectorMultiplyDivide( long count, const long * vector1, long step1, const long * vector2, long step2, long divisor) THREEWORDINLINE(0x303C, 0x004B, 0xA832);
/* wide operations are defined within FixMath.h for PowerPC */#endif /* CALL_NOT_IN_CARBON */
#if TARGET_OS_MAC && TARGET_CPU_68K
#if CALL_NOT_IN_CARBON
/*
* WideAdd() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( wide * )WideAdd( wide * target, const wide * source) THREEWORDINLINE(0x303C, 0x004C, 0xA832);
/*
* WideCompare() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( short )WideCompare( const wide * target, const wide * source) THREEWORDINLINE(0x303C, 0x004D, 0xA832);
/*
* WideNegate() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( wide * )WideNegate(wide * target) THREEWORDINLINE(0x303C, 0x004E, 0xA832);
/*
* WideShift() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( wide * )WideShift( wide * target, long shift) THREEWORDINLINE(0x303C, 0x004F, 0xA832);
/*
* WideSquareRoot() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( unsigned long )WideSquareRoot(const wide * source) THREEWORDINLINE(0x303C, 0x0050, 0xA832);
/*
* WideSubtract() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( wide * )WideSubtract( wide * target, const wide * source) THREEWORDINLINE(0x303C, 0x0051, 0xA832);
/*
* WideMultiply() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( wide * )WideMultiply( long multiplicand, long multiplier, wide * target) THREEWORDINLINE(0x303C, 0x0052, 0xA832);
/* returns the quotient *//*
* WideDivide() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( long )WideDivide( const wide * dividend, long divisor, long * remainder) THREEWORDINLINE(0x303C, 0x0053, 0xA832);
/* quotient replaces dividend *//*
* WideWideDivide() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( wide * )WideWideDivide( wide * dividend, long divisor, long * remainder) THREEWORDINLINE(0x303C, 0x0055, 0xA832);
#endif /* CALL_NOT_IN_CARBON */
#endif /* TARGET_OS_MAC && TARGET_CPU_68K */
#if CALL_NOT_IN_CARBON
/*
* VectorMultiply() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( wide * )VectorMultiply( long count, const long * vector1, long step1, const long * vector2, long step2, wide * dot) THREEWORDINLINE(0x303C, 0x0054, 0xA832);
/*
* RandomBits() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( unsigned long )RandomBits( long count, long focus) THREEWORDINLINE(0x303C, 0x0056, 0xA832);
/*
* SetRandomSeed() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( void )SetRandomSeed(const wide * seed) THREEWORDINLINE(0x303C, 0x0057, 0xA832);
/*
* GetRandomSeed() * * Availability: * Non-Carbon CFM: not available * CarbonLib: not available * Mac OS X: not available */EXTERN_API_C( wide * )GetRandomSeed(wide * seed) THREEWORDINLINE(0x303C, 0x0058, 0xA832);
#endif /* CALL_NOT_IN_CARBON */
#ifndef FixedRound
#define FixedRound(a) ((short)(((Fixed)(a) + fixed1/2) >> 16))
#endif
#ifndef FixedSquareRoot
#define FixedSquareRoot(a) (((Fixed)FractSquareRoot(a) + 64) >> 7)
#endif
#ifndef FixedTruncate
#define FixedTruncate(a) ((short)((Fixed)(a) >> 16))
#endif
#ifndef FixedToFract
#define FixedToFract(a) ((Fract)(a) << 14)
#endif
#ifndef FractToFixed
#define FractToFixed(a) ((Fixed)(a) + 8192L >> 14)
#endif
#ifndef FixedToInt
#define FixedToInt(a) ((short)(((Fixed)(a) + fixed1/2) >> 16))
#endif
#ifndef IntToFixed
#define IntToFixed(a) ((Fixed)(a) << 16)
#endif
#ifndef FixedToFloat
#define FixedToFloat(a) ((float)(a) / fixed1)
#endif
#ifndef FloatToFixed
#define FloatToFixed(a) ((Fixed)((float)(a) * fixed1))
#endif
#ifndef FractToFloat
#define FractToFloat(a) ((float)(a) / fract1)
#endif
#ifndef FloatToFract
#define FloatToFract(a) ((Fract)((float)(a) * fract1))
#endif
#ifndef ColorToFract
#define ColorToFract(a) (((Fract) (a) << 14) + (((Fract)(a) + 2) >> 2))
#endif
#ifndef FractToColor
#define FractToColor(a) ((gxColorValue) ((a) - ((a) >> 16) + 8191 >> 14))
#endif
#ifndef ff /* ff is already defined on some platforms */
#define ff(a) IntToFixed(a)
#define fl(a) FloatToFixed(a)
#endif
#if defined(__MWERKS__) && TARGET_CPU_68K
#pragma pop
#endif
#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 /* __GXMATH__ */
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