Font.h

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/*
 Font.h
 Copyright 1988, NeXT, Inc.
*/
 
#ifndef FONT_H
#define FONT_H
 
#import <objc/Object.h>
 
#import <objc/typedstream.h>
 
#define NX_IDENTITYMATRIX ((float *) 0)
#define NX_FLIPPEDMATRIX ((float *) -1)
 
#define NX_FONTHEADER 1
#define NX_FONTMETRICS 2
#define NX_FONTWIDTHS 4
#define NX_FONTCHARDATA 8
#define NX_FONTKERNING 16
#define NX_FONTCOMPOSITES 32
 
/* questions: unencoded characters???
*/
 
/* 
 * first pass at four additional space characters, whose ascii codes
 * we have to talk to Adobe about. Figure is aka non-breaking space
 */
 
#define NX_FIGSPACE ((unsigned short)0x80)
#define NX_EMSPACE ((unsigned short)0x81)
#define NX_ENSPACE ((unsigned short)0x82)
#define NX_THINSPACE ((unsigned short)0x83)
 
typedef struct _NXLigature { /* a ligature */
 char *successor; /* char that follows current character */
 char *result; /* the ligature char that results */
} NXLigature;
 
typedef struct _NXCharData { /* character data besides widths */
 char *name; /* name of character */
 float charBBox[4]; /* bounding box (llx lly urx ury) */
 short numLigatures; /* number of ligature pairs */
 NXLigature *ligatures; /* the ligatures */
} NXCharData;
 
typedef struct _NXKernTrack { /* a kerning track */
 int degree; /* tightness of kerning */
 float minSize; /* kerning amounts for a min and max */
 float minAmount; /* point size. */
 float maxSize;
 float maxAmount;
} NXKernTrack;
 
typedef struct _NXKernPair { /* a kerning pair */
 char *name1; /* names of chars to kern */
 char *name2;
 float x, y; /* amount to move second character */
} NXKernPair;
 
typedef struct _NXCompositePart { /* part of a composite character */
 char *name; /* name of char */
 float dx, dy; /* displacement of part from char origin */
} NXCompositePart;
 
typedef struct _NXCompositeChar { /* a composite character */
 char *name; /* name of char */
 short numParts; /* number of parts making up the char */
 NXCompositePart *parts; /* var length array of parts */
} NXCompositeChar;
 
typedef struct _NXFontMetrics { /* data from a afm file */
 char *formatVersion; /* version of afm file format */
 char *name; /* name of font for findfont */
 char *fullName; /* full name of font */
 char *familyName; /* "font family" name */
 char *weight; /* weight of font */
 float italicAngle; /* degrees ccw from vertical */
 char isFixedPitch; /* is the font mono-spaced? */
 char isScreenFont; /* is the font a screen font? */
 short screenFontSize; /* If it is, how big is it? */
 float fontBBox[4]; /* bounding box (llx lly urx ury) */
 float underlinePosition; /* dist from basline for underlines */
 float underlineThickness; /* thickness of underline stroke */
 char *version; /* version identifier */
 char *notice; /* trademark or copyright */
 char *encodingScheme; /* default encoding vector */
 float capHeight; /* top of 'H' */
 float xHeight; /* top of 'x' */
 float ascender; /* top of 'd' */
 float descender; /* bottom of 'p' */
 short hasYWidths; /* do any chars have non-0 y width? */
 float *widths; /* character widths in x */
 float *yWidths; /* y components of width vector */
 /* a NULL if widths are only in x */
 NXCharData *charData; /* character data besides widths */
 short numKTracks; /* number of kerning tracks */
 NXKernTrack *kernTracks; /* the tracks */
 short numKPairs; /* number of kerning pairs */
 NXKernPair *kernPairs; /* the kerning pairs */
 short numCompositeChars; /* number of composite characters */
 NXCompositeChar *compositeChars; /* the composite chars */
 short numBuffers; /* # of char buffers in following array */
 char **buffers; /* buffers of characters, pointed into by */
 /* all these (char *) name fields */
} NXFontMetrics;
 
typedef struct _NXFaceInfo {
 NXFontMetrics fontMetrics;/* Information from afm file */
 int flags; /* Which font info is present */
 struct { /* Keeps track of font usage for Conforming PS */
 unsigned int usedInDoc:1; /* has font been used in doc? */
 unsigned int usedInPage:1; /* has font been used in page? */
 unsigned int usedInSheet:1; /* has font been used in sheet? */
 /* There can be more than one page printed on a sheet of paper */
 unsigned int _PADDING:13;
 } fontFlags;
 struct _NXFaceInfo *nextFInfo; /* Next faceInfo in the list */
} NXFaceInfo;
 
 
 
extern char *NXSystemFont;
extern char *NXBoldSystemFont;
 
 
@interface Font : Object
{
 char *name;
 float size;
 int style;
 float *matrix;
 int fontNum;
 NXFaceInfo *faceInfo;
 id otherFont;
 struct /*_fFlags*/ {
 unsigned int usedByWS:1;
 unsigned int usedByPrinter:1;
 unsigned int isScreenFont:1;
 unsigned int _PADDING:12;
 unsigned int _hasStyle:1;
 } fFlags;
 unsigned short _reservedFont2;
 unsigned int _reservedFont3;
}
+ initialize; 
+ newFont:(const char *)fontName size:(float )fontSize style:(int )fontStyle matrix:(float *)fontMatrix; 
+ newFont:(const char *)fontName size:(float )fontSize; 
- awake; 
- free; 
-(float ) pointSize; 
-(char *) name; 
-(int ) fontNum; 
-(int ) style; 
-(float *) matrix; 
-(NXFontMetrics *) metrics; 
-(NXFontMetrics *) readMetrics:(int )flags; 
-(BOOL ) hasMatrix; 
- set; 
-(float ) getWidthOf:(const char *)string; 
- finishUnarchiving; 
- screenFont;
- write:(NXTypedStream *) s;
- read:(NXTypedStream *) s;
 
@end
 
#endif FONT_H