[ #813. 更多...

宏定义
#define	tightfit 3

#define	loosefit 1

#define	veryloosefit 0

#define	decentfit 2

#define	activenodesize 3

#define	unhyphenated 0

#define	hyphenated 1

#define	lastactive active

#define	passivenodesize 2

#define	deltanodesize 7

#define	deltanode 2

#define	deactivate 60

#define	fitness subtype /* \|veryloosefit..tightfit\| on final line for this break}*/
	[p304#819] 更多...

#define	breaknode rlink /* pointer to the corresponding passive node}*/

#define	linenumber llink /* line that begins at this breakpoint}*/

#define	totaldemerits(x) mem[x+2].int_ /* the quantity that \TeX\ minimizes}*/

#define	curbreak rlink /* in passive node, points to position of this breakpoint}*/
	[p304#821] 更多...

#define	prevbreak llink /* points to passive node that should precede this one}*/

#define	serial info /* serial number for symbolic identification}*/

#define	checkshrinkage(x) ((shrinkorder(x) != NORMAL) && (shrink(x) != 0) ? (x) = finiteshrink(x) : 0)
	[p306#825] 更多...

#define	copytocuractive(x) (curactivewidth[(x)-1] = activewidth[(x)-1])
	[p308#829] 更多...

#define	updatewidth(x) (curactivewidth[(x)-1] += mem[r + (x)].sc)
	[p309#832] 更多...

#define	awfulbad 1073741823L
	[#833] 更多...

#define	setbreakwidthtobackground(x) (breakwidth[(x)-1] = background[(x)-1])
	[p310#837] 更多...

#define	converttobreakwidth(x) (mem[prevr + (x)].sc += -curactivewidth[(x)-1] + breakwidth[(x)-1])
	[p312#843] 更多...

#define	storebreakwidth(x) (activewidth[(x)-1] = breakwidth[(x)-1])

#define	newdeltatobreakwidth(x) (mem[q + (x)].sc = breakwidth[(x)-1] - curactivewidth[(x)-1])

#define	newdeltafrombreakwidth(x) (mem[q + (x)].sc = curactivewidth[(x)-1] - breakwidth[(x)-1])
	[p312#944] 更多...

#define	combinetwodeltas(x) (mem[prevr + (x)].sc = mem[prevr + (x)].sc + mem[r + (x)].sc)
	[p318#860] 更多...

#define	downdatewidth(x) (curactivewidth[(x)-1] -= mem[prevr + (x)].sc)

#define	updateactive(x) (activewidth[(x)-1] += mem[r + (x)].sc)
	[p318#861] 更多...

函数
void	linebreak (long finalwidowpenalty)

HalfWord	finiteshrink (HalfWord p)

void	trybreak (long pi, SmallNumber breaktype)
	p308#829 更多...

详细描述

[ #813.

Breaking paragraphs into lines. ]

宏定义说明

◆ activenodesize

#define activenodesize 3

◆ awfulbad

#define awfulbad 1073741823L

[#833]

◆ breaknode

#define breaknode rlink /* pointer to the corresponding passive node}*/

◆ checkshrinkage

#define checkshrinkage ( x ) ((shrinkorder(x) != NORMAL) && (shrink(x) != 0) ? (x) = finiteshrink(x) : 0)

[p306#825]

◆ combinetwodeltas

#define combinetwodeltas ( x ) (mem[prevr + (x)].sc = mem[prevr + (x)].sc + mem[r + (x)].sc)

[p318#860]

◆ converttobreakwidth

#define converttobreakwidth ( x ) (mem[prevr + (x)].sc += -curactivewidth[(x)-1] + breakwidth[(x)-1])

[p312#843]

◆ copytocuractive

#define copytocuractive ( x ) (curactivewidth[(x)-1] = activewidth[(x)-1])

[p308#829]

◆ curbreak

#define curbreak rlink /* in passive node, points to position of this breakpoint}*/

[p304#821]

◆ deactivate

#define deactivate 60

◆ decentfit

#define decentfit 2

◆ deltanode

#define deltanode 2

◆ deltanodesize

#define deltanodesize 7

◆ downdatewidth

#define downdatewidth ( x ) (curactivewidth[(x)-1] -= mem[prevr + (x)].sc)

◆ fitness

#define fitness subtype /* |veryloosefit..tightfit| on final line for this break}*/

[p304#819]

◆ hyphenated

#define hyphenated 1

◆ lastactive

#define lastactive active

◆ linenumber

#define linenumber llink /* line that begins at this breakpoint}*/

◆ loosefit

#define loosefit 1

◆ newdeltafrombreakwidth

#define newdeltafrombreakwidth ( x ) (mem[q + (x)].sc = curactivewidth[(x)-1] - breakwidth[(x)-1])

[p312#944]

◆ newdeltatobreakwidth

#define newdeltatobreakwidth ( x ) (mem[q + (x)].sc = breakwidth[(x)-1] - curactivewidth[(x)-1])

◆ passivenodesize

#define passivenodesize 2

◆ prevbreak

#define prevbreak llink /* points to passive node that should precede this one}*/

◆ serial

#define serial info /* serial number for symbolic identification}*/

◆ setbreakwidthtobackground

#define setbreakwidthtobackground ( x ) (breakwidth[(x)-1] = background[(x)-1])

[p310#837]

◆ storebreakwidth

#define storebreakwidth ( x ) (activewidth[(x)-1] = breakwidth[(x)-1])

◆ tightfit

#define tightfit 3

◆ totaldemerits

#define totaldemerits ( x ) mem[x+2].int_ /* the quantity that \TeX\ minimizes}*/

◆ unhyphenated

#define unhyphenated 0

◆ updateactive

#define updateactive ( x ) (activewidth[(x)-1] += mem[r + (x)].sc)

[p318#861]

◆ updatewidth

#define updatewidth ( x ) (curactivewidth[(x)-1] += mem[r + (x)].sc)

[p309#832]

◆ veryloosefit

#define veryloosefit 0

函数说明

◆ finiteshrink()

HalfWord finiteshrink ( HalfWord p )

◆ linebreak()

void linebreak ( long finalwidowpenalty )

◆ trybreak()

void trybreak	(	long	pi,
		SmallNumber	breaktype
	)

p308#829

p313#845: Insert a new active node from best place[fit class] to cur p

p317#858: Update the value of printed node for symbolic displays

变量说明

◆ activewidth

Scaled activewidth[6]

◆ background

Scaled background[6]

◆ bestplace

Pointer bestplace[tightfit - veryloosefit+1]

◆ bestplline

HalfWord bestplline[tightfit - veryloosefit+1]

◆ breakwidth

Scaled breakwidth[6]

◆ curactivewidth

Scaled curactivewidth[6]

◆ curp

Pointer curp

◆ discwidth

Scaled discwidth

◆ easyline

HalfWord easyline

◆ finalpass

Boolean finalpass

◆ firstindent

Scaled firstindent

◆ firstwidth

Scaled firstwidth

◆ justbox

Pointer justbox

◆ lastspecialline

HalfWord lastspecialline

◆ minimaldemerits

Integer minimaldemerits[tightfit - veryloosefit+1]

◆ minimumdemerits

Integer minimumdemerits

◆ noshrinkerroryet

Boolean noshrinkerroryet

◆ passive

Pointer passive

◆ passnumber

HalfWord passnumber

◆ printednode

Pointer printednode

◆ secondindent

Scaled secondindent

◆ secondpass

Boolean secondpass

◆ secondwidth

Scaled secondwidth

◆ threshold

Integer threshold

变量
Pointer	justbox

Pointer	passive

Pointer	printednode

HalfWord	passnumber

Scaled	activewidth [6]

Scaled	curactivewidth [6]

Scaled	background [6]

Scaled	breakwidth [6]

Boolean	noshrinkerroryet

Boolean	secondpass

Boolean	finalpass

Pointer	curp

Integer	threshold

Integer	minimaldemerits [tightfit - veryloosefit+1]

Integer	minimumdemerits

Pointer	bestplace [tightfit - veryloosefit+1]

HalfWord	bestplline [tightfit - veryloosefit+1]

Scaled	discwidth

Scaled	firstwidth

Scaled	secondwidth

Scaled	firstindent

Scaled	secondindent

HalfWord	easyline

HalfWord	lastspecialline