topical media & game development
lib-of-vs-libs-QTDevWin-CIncludes-GXMath.h / h
/*
File: GXMath.h
Contains: QuickDraw GX math routine interfaces.
Version: Technology: Quickdraw GX 1.1
Release: QuickTime 6.0.2
Copyright: (c) 1994-2001 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
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
struct gxPoint {
Fixed x;
Fixed y;
};
typedef struct gxPoint gxPoint;
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
EXTERN_API_C( gxMapping *)
CopyToMapping (gxMapping * target,
const gxMapping * source) THREEWORDINLINE(0x303C, 0x0031, 0xA832);
EXTERN_API_C( gxMapping *)
InvertMapping (gxMapping * target,
const gxMapping * source) THREEWORDINLINE(0x303C, 0x0032, 0xA832);
EXTERN_API_C( gxMapping *)
MapMapping (gxMapping * target,
const gxMapping * source) THREEWORDINLINE(0x303C, 0x0033, 0xA832);
EXTERN_API_C( gxMapping *)
MoveMapping (gxMapping * target,
Fixed hOffset,
Fixed vOffset) THREEWORDINLINE(0x303C, 0x0034, 0xA832);
EXTERN_API_C( gxMapping *)
MoveMappingTo (gxMapping * target,
Fixed hPosition,
Fixed vPosition) THREEWORDINLINE(0x303C, 0x0035, 0xA832);
EXTERN_API_C( gxMapping *)
NormalizeMapping (gxMapping * target) THREEWORDINLINE(0x303C, 0x0036, 0xA832);
EXTERN_API_C( gxMapping *)
RotateMapping (gxMapping * target,
Fixed angle,
Fixed xCenter,
Fixed yCenter) THREEWORDINLINE(0x303C, 0x0037, 0xA832);
EXTERN_API_C( gxMapping *)
ScaleMapping (gxMapping * target,
Fixed hFactor,
Fixed vFactor,
Fixed xCenter,
Fixed yCenter) THREEWORDINLINE(0x303C, 0x0038, 0xA832);
EXTERN_API_C( gxMapping *)
ResetMapping (gxMapping * target) THREEWORDINLINE(0x303C, 0x0039, 0xA832);
EXTERN_API_C( gxMapping *)
SkewMapping (gxMapping * target,
Fixed skewX,
Fixed skewY,
Fixed xCenter,
Fixed yCenter) THREEWORDINLINE(0x303C, 0x003A, 0xA832);
EXTERN_API_C( void )
MapPoints (const gxMapping * source,
long count,
gxPoint theVector[]) THREEWORDINLINE(0x303C, 0x003B, 0xA832);
EXTERN_API_C( short )
FirstBit (unsigned long x) THREEWORDINLINE(0x303C, 0x003C, 0xA832);
EXTERN_API_C( short )
WideScale (const wide * source) THREEWORDINLINE(0x303C, 0x003D, 0xA832);
EXTERN_API_C( short )
LinearRoot (Fixed first,
Fixed last,
Fract t[]) THREEWORDINLINE(0x303C, 0x003E, 0xA832);
EXTERN_API_C( short )
QuadraticRoot (Fixed first,
Fixed control,
Fixed last,
Fract t[]) THREEWORDINLINE(0x303C, 0x003F, 0xA832);
EXTERN_API_C( gxPoint *)
PolarToPoint (const gxPolar * ra,
gxPoint * xy) THREEWORDINLINE(0x303C, 0x0040, 0xA832);
EXTERN_API_C( gxPolar *)
PointToPolar (const gxPoint * xy,
gxPolar * ra) THREEWORDINLINE(0x303C, 0x0041, 0xA832);
EXTERN_API_C( Fract )
FractCubeRoot (Fract source) THREEWORDINLINE(0x303C, 0x0042, 0xA832);
EXTERN_API_C( Fract )
FractDivide (Fract dividend,
Fract divisor) THREEWORDINLINE(0x303C, 0x0043, 0xA832);
EXTERN_API_C( Fract )
FractMultiply (Fract multiplicand,
Fract multiplier) THREEWORDINLINE(0x303C, 0x0044, 0xA832);
EXTERN_API_C( Fract )
FractSineCosine (Fixed degrees,
Fract * cosine) THREEWORDINLINE(0x303C, 0x0045, 0xA832);
EXTERN_API_C( Fract )
FractSquareRoot (Fract source) THREEWORDINLINE(0x303C, 0x0046, 0xA832);
EXTERN_API_C( Fixed )
FixedDivide (Fixed dividend,
Fixed divisor) THREEWORDINLINE(0x303C, 0x0047, 0xA832);
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 */
EXTERN_API_C( long )
MultiplyDivide (long source,
long multiplier,
long divisor) THREEWORDINLINE(0x303C, 0x0049, 0xA832);
EXTERN_API_C( unsigned long )
Magnitude (long deltaX,
long deltaY) THREEWORDINLINE(0x303C, 0x004A, 0xA832);
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
EXTERN_API_C( wide *)
WideAdd (wide * target,
const wide * source) THREEWORDINLINE(0x303C, 0x004C, 0xA832);
EXTERN_API_C( short )
WideCompare (const wide * target,
const wide * source) THREEWORDINLINE(0x303C, 0x004D, 0xA832);
EXTERN_API_C( wide *)
WideNegate (wide * target) THREEWORDINLINE(0x303C, 0x004E, 0xA832);
EXTERN_API_C( wide *)
WideShift (wide * target,
long shift) THREEWORDINLINE(0x303C, 0x004F, 0xA832);
EXTERN_API_C( unsigned long )
WideSquareRoot (const wide * source) THREEWORDINLINE(0x303C, 0x0050, 0xA832);
EXTERN_API_C( wide *)
WideSubtract (wide * target,
const wide * source) THREEWORDINLINE(0x303C, 0x0051, 0xA832);
EXTERN_API_C( wide *)
WideMultiply (long multiplicand,
long multiplier,
wide * target) THREEWORDINLINE(0x303C, 0x0052, 0xA832);
/* returns the quotient */
EXTERN_API_C( long )
WideDivide (const wide * dividend,
long divisor,
long * remainder) THREEWORDINLINE(0x303C, 0x0053, 0xA832);
/* quotient replaces dividend */
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
EXTERN_API_C( wide *)
VectorMultiply (long count,
const long * vector1,
long step1,
const long * vector2,
long step2,
wide * dot) THREEWORDINLINE(0x303C, 0x0054, 0xA832);
EXTERN_API_C( unsigned long )
RandomBits (long count,
long focus) THREEWORDINLINE(0x303C, 0x0056, 0xA832);
EXTERN_API_C( void )
SetRandomSeed (const wide * seed) THREEWORDINLINE(0x303C, 0x0057, 0xA832);
EXTERN_API_C( wide *)
GetRandomSeed (wide * seed) THREEWORDINLINE(0x303C, 0x0058, 0xA832);
endif /* CALL_NOT_IN_CARBON */
define FixedRound(a) ((short)((Fixed)(a) + fixed1/2 >> 16))
define FixedSquareRoot(a) ((Fixed)FractSquareRoot(a) + 64 >> 7)
define FixedTruncate(a) ((short)((Fixed)(a) >> 16))
define FixedToFract(a) ((Fract)(a) << 14)
define FractToFixed(a) ((Fixed)(a) + 8192L >> 14)
define FixedToInt(a) ((short)((Fixed)(a) + fixed1/2 >> 16))
define IntToFixed(a) ((Fixed)(a) << 16)
define FixedToFloat(a) ((float)(a) / fixed1)
define FloatToFixed(a) ((Fixed)((float)(a) * fixed1))
define FractToFloat(a) ((float)(a) / fract1)
define FloatToFract(a) ((Fract)((float)(a) * fract1))
define ColorToFract(a) (((Fract) (a) << 14) + ((Fract)(a) + 2 >> 2))
define FractToColor(a) ((gxColorValue) ((a) - ((a) >> 16) + 8191 >> 14))
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__ */
(C) Æliens
04/09/2009
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.
