PART 44: Breaking vertical lists into pages

宏定义
#define	activeheight   activewidth
	[p361#970] new name for the six distance variables 更多...
#define	curheight   (activeheight[0])
	[p361#970] the natural height 更多...
#define	setheightzero(x)   (activeheight[(x)-1] = 0)
	[p361#970] initialize the height to zero. 更多...
#define	updateheights   90
#define	deplorable   100000L

函数
HalfWord	prunepagetop (HalfWord p)
HalfWord	vertbreak (HalfWord p, long h, long d)
HalfWord	vsplit (EightBits n, long h)

变量
Scaled	bestheightplusdepth
	[#971] 更多...

详细描述

宏定义说明

activeheight

#define activeheight   activewidth

[p361#970] new name for the six distance variables

curheight

#define curheight   (activeheight[0])

[p361#970] the natural height

deplorable

#define deplorable   100000L

setheightzero

#define setheightzero

(

x

)

(activeheight[(x)-1] = 0)

[p361#970] initialize the height to zero.

updateheights

#define updateheights   90

函数说明

prunepagetop()

HalfWord prunepagetop

(

HalfWord

p

)

vertbreak()

HalfWord vertbreak	(	HalfWord	p,
		long	h,
		long	d
	)

vsplit()

HalfWord vsplit	(	EightBits	n,
		long	h
	)

变量说明

bestheightplusdepth

Scaled bestheightplusdepth

[#971]