Coder.h File Reference

#include "CSource.h"

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Defines
#define	ARI_ENC_NORMALIZE(stream)
#define	ARI_FLUSH_ENCODER(stream)
#define	ARI_INIT_DECODER(stream)
#define	ARI_DEC_NORMALIZE(stream)
Enumerations
enum	{ TOP = 1 << 24, BOT = 1 << 15 }
Functions
void	ariInitEncoder ()
void	ariEncodeSymbol ()
void	ariShiftEncodeSymbol (UINT SHIFT)
UINT	ariGetCurrentCount ()
UINT	ariGetCurrentShiftCount (UINT SHIFT)
void	ariRemoveSubrange ()
Variables
static struct SUBRANGE	SubRange
static DWORD	low
static DWORD	code
static DWORD	range

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Define Documentation

#define ARI_DEC_NORMALIZE (  stream   )

Value: { \ while ((low ^ (low+range)) < TOP || range < BOT && \ ((range= -low & (BOT-1)),1)) { \ code=(code << 8) | _PPMD_D_GETC(stream); \ range <<= 8; low <<= 8; \ } \ } Definition at line 96 of file Coder.h. Referenced by DecodeFile().

#define ARI_ENC_NORMALIZE (  stream   )

Value: { \ while ((low ^ (low+range)) < TOP || range < BOT && \ ((range= -low & (BOT-1)),1)) { \ _PPMD_E_PUTC(low >> 24,stream); \ range <<= 8; low <<= 8; \ } \ } Definition at line 69 of file Coder.h. Referenced by EncodeFile().

#define ARI_FLUSH_ENCODER (  stream   )

Value: { \ for (UINT i=0;i < 4;i++) { \ _PPMD_E_PUTC(low >> 24,stream); low <<= 8; \ } \ } Definition at line 86 of file Coder.h. Referenced by EncodeFile().

#define ARI_INIT_DECODER (  stream   )

Value: { \ low=code=0; range=DWORD(-1); \ for (UINT i=0;i < 4;i++) \ code=(code << 8) | _PPMD_D_GETC(stream); \ } Definition at line 91 of file Coder.h. Referenced by DecodeFile().

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Enumeration Type Documentation

anonymous enum

Enumeration values: TOP  BOT  Definition at line 62 of file Coder.h.

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Function Documentation

void ariEncodeSymbol (   )  [inline]

Definition at line 76 of file Coder.h. References SUBRANGE::HighCount, low, SUBRANGE::LowCount, range, SUBRANGE::scale, and SubRange. Referenced by EncodeFile().

UINT ariGetCurrentCount (   )  [inline]

Definition at line 103 of file Coder.h. References code, low, range, SUBRANGE::scale, and SubRange. Referenced by PPM_CONTEXT::decodeSymbol1(), and PPM_CONTEXT::decodeSymbol2().

UINT ariGetCurrentShiftCount (  UINT  SHIFT  )  [inline]

Definition at line 106 of file Coder.h. References code, low, and range. Referenced by PPM_CONTEXT::decodeBinSymbol().

void ariInitEncoder (   )  [inline]

Definition at line 65 of file Coder.h. References low, and range. Referenced by EncodeFile().

void ariRemoveSubrange (   )  [inline]

Definition at line 109 of file Coder.h. References SUBRANGE::HighCount, low, SUBRANGE::LowCount, range, and SubRange. Referenced by DecodeFile().

void ariShiftEncodeSymbol (  UINT  SHIFT  )  [inline]

Definition at line 81 of file Coder.h. References SUBRANGE::HighCount, low, SUBRANGE::LowCount, range, and SubRange. Referenced by EncodeFile().

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Variable Documentation

DWORD code [static]

Definition at line 63 of file Coder.h.

DWORD low [static]

Definition at line 63 of file Coder.h. Referenced by ariEncodeSymbol(), ariGetCurrentCount(), ariGetCurrentShiftCount(), ariInitEncoder(), ariRemoveSubrange(), ariShiftEncodeSymbol(), Opie::Ui::OImageEffect::equalize(), Catalog::findDestInTree(), QRegExpEngine::getEscape(), Opie::Ui::OImageEffect::normalize(), SMTPwrapper::start_smtp_tls(), and IMAPwrapper::start_tls().

DWORD range [static]

Definition at line 63 of file Coder.h. Referenced by ariEncodeSymbol(), ariGetCurrentCount(), ariGetCurrentShiftCount(), ariInitEncoder(), ariRemoveSubrange(), ariShiftEncodeSymbol(), ArithClass::Arith_Decode(), ArithClass::Arith_DecodeVal(), Dasher::CDasherViewSquare::CheckForNewRoot(), Dasher::CDasherModel::Make_root(), UnicodeMap::parse(), Dasher::CDasherView::RenderGroups(), FreshStyle::scrollBarMetrics(), LiquidStyle::scrollBarMetrics(), FlatStyle::scrollBarMetrics(), CSoundFile::SetXBassParameters(), and Opietooth2::OTPeer::updateServices().

struct SUBRANGE SubRange [static]

Referenced by ariEncodeSymbol(), ariGetCurrentCount(), ariRemoveSubrange(), ariShiftEncodeSymbol(), PPM_CONTEXT::decodeBinSymbol(), PPM_CONTEXT::decodeSymbol1(), PPM_CONTEXT::decodeSymbol2(), PPM_CONTEXT::encodeBinSymbol(), PPM_CONTEXT::encodeSymbol1(), PPM_CONTEXT::encodeSymbol2(), and PPM_CONTEXT::makeEscFreq2().

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