// F O N T  definitions
//

manifest [
	DBNonExCode=-1
	maxPressUses=8
	lnMaxPressUses = 3
	maskMaxPressUses = 7
 ]

structure CharWidth :		//Modified version of IX.DFS defn.
 [
	WS		word 2			//Width in "scan" direction
	WB		word 2			//Width in "bit" direction
	OS		word 			//Offset in scan direction
	OB		word 			//Offset in bit direction
	DS		word			//Dimension in scan direction
	DB		word 			//Dimension in bit direction
 ]

// Font structure for describing a font while processing pages.
// It has in it citations of which Press uses (font set, font)
// are supposed to be met by this font.

structure FN :
 [
	next		word		// Pointer to keep them in a list

	fam		byte		// Description: same as in IX
	face		byte
	bc		byte
	ec		byte
	siz		word
	rotation	word
	sa		word 2		// starting addr for char. segment containing the rasters
	widthSa	word 2		// starting addr for (possibly partial) char. segment containing
					// the preferred widths (sa = widthSa, in most cases)

	name		word 10	// String name of requested font

	match		word		// Figure of merit on match so far
	ICCOffset	word		// Map to ICC
	tallest		word		// Largest bit dimension of chars in font
	widest		word		// Largest scan dimension of ditto
	widthPtr	word		// Pointer to widths (if in core)

	pressUses	word		// Number of (font set, font) uses
	useList	word		// List of (font set, font) use blocks
	newFam	byte		// used during font matching to store actual value derived.
	newFace	byte
	newSize	word
	newRot		word
]

structure FNUse: [ uSet byte; uFont byte ]

structure USeBlock:			// block of use specifications
[
	next		word		// link
	fnUse^1, maxPressUses: @FNUse
 ]

// Following structure defines a font load: a collection of characters
// required for printing a given page or pages of the document.
// The structure is always followed by a bit table that has
// 1's for ICC's that are used.

structure FI :
 [
	next		word		//Pointer to next one
	fontLoad	word		// Number of this font load
	fontLength	word		// Number of words for actual font characters
  ]
// December 3, 1978  4:37 PM derived from Spruce.z20598(1792)\f3