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/************************************************************************/
/* */
/* Data structures that describe postscript fonts. */
/* */
/************************************************************************/
# ifndef PS_FONT_H
# define PS_FONT_H
# include <docFont.h>
# include <utilFontEncoding.h>
/************************************************************************/
/* */
/* Charsets/Encodings supported by a font. */
/* */
/************************************************************************/
typedef struct SupportedCharset
{
int scSupported;
int scCodeToGlyphMapping[256];
} SupportedCharset;
/************************************************************************/
/* */
/* Information extracted fron an AFM file. */
/* */
/************************************************************************/
typedef struct AfmKerningPair
{
int akpPosition;
int akpXVec;
} AfmKerningPair;
typedef struct AfmBBox
{
int abbLeft;
int abbBottom;
int abbRight;
int abbTop;
} AfmBBox;
typedef struct AfmCharMetric
{
int acmC;
int acmWX;
AfmBBox acmBBox;
char * acmN;
AfmKerningPair * acmKernPairs;
int acmKernPairCount;
} AfmCharMetric;
typedef struct AfmFontInfo
{
char * afiFontName;
char * afiFullName;
char * afiFamilyName;
char * afiWeight;
double afiItalicAngle;
double afiTanItalicAngle;
unsigned char afiIsFixedPitch;
AfmBBox afiFontBBox;
double afiUnderlinePosition;
double afiUnderlineThickness;
char * afiEncodingScheme;
int afiCapHeight;
int afiXHeight;
int afiAscender;
int afiDescender;
char * afiCharacterSet;
int afiMetricCount;
AfmCharMetric * afiMetrics;
SupportedCharset afiSupportedCharsets[ENCODINGps_COUNT];
} AfmFontInfo;
/************************************************************************/
/* */
/* Font information. */
/* */
/* Used to map a users idea of fonts to implementation fonts. */
/* Used by the font chooser to select fonts. */
/* */
/* 1) Set width defines. The values math those in paragraph 3.2.37 */
/* of the X11R5 logical font description convention. */
/* [ The differences in value are more interesting than the values */
/* themselves. ] */
/* 1) Set weight defines. The values math those in paragraph 3.2.38 */
/* of the X11R5 logical font description convention. */
/* [ The differences in value are more interesting than the values */
/* themselves. ] */
/* */
/************************************************************************/
/* 1 */
# define FONTwidth_UNDEFINED 0
# define FONTwidth_MIN FONTwidthULTRA_CONDENSED
# define FONTwidthULTRA_CONDENSED 10
# define FONTwidthEXTRA_CONDENSED 20
# define FONTwidthCONDENSED 30
# define FONTwidthSEMI_CONDENSED 40
# define FONTwidthMEDIUM 50
# define FONTwidthSEMI_EXPANDED 60
# define FONTwidthEXPANDED 70
# define FONTwidthEXTRA_EXPANDED 80
# define FONTwidthULTRA_EXPANDED 90
# define FONTwidth_MAX FONTwidthULTRA_EXPANDED
/* 2 */
# define FONTweight_UNDEFINED 0
# define FONTweight_MIN FONTweightULTRA_LIGHT
# define FONTweightULTRA_LIGHT 10 /* = Thin */
# define FONTweightEXTRA_LIGHT 20
# define FONTweightLIGHT 30
# define FONTweightSEMI_LIGHT 40
# define FONTweightMEDIUM 50
# define FONTweightSEMI_BOLD 60
# define FONTweightBOLD 70
# define FONTweightEXTRA_BOLD 80
# define FONTweightULTRA_BOLD 90 /* = Heavy = Black */
# define FONTweight_MAX FONTweightULTRA_BOLD
typedef struct AppFontTypeface
{
char * aftFaceName;
int * aftSizes;
int aftSizeCount;
unsigned int aftIsBold:1;
unsigned int aftIsSlanted:1;
unsigned int aftIsScalable:1;
unsigned int aftIsFixedWidth:1;
void * aftPrintingData;
char * aftXQueryFormat;
int aftWidth;
int aftWeight;
int aftDefaultEncoding;
} AppFontTypeface;
typedef struct AppFontFamily
{
char * affFontFamilyName;
char * affFontFamilyText;
AppFontTypeface * affFaces;
int affFaceCount;
unsigned int affHasFixedWidth:1;
unsigned int affHasProportionalWidth:1;
int affDefaultEncoding;
SupportedCharset affSupportedCharsets[ENCODINGps_COUNT];
} AppFontFamily;
/************************************************************************/
/* */
/* Permissible aliasses for glyph names. */
/* */
/************************************************************************/
typedef struct AlternateGlyphName
{
const char * agnStandardName;
const char * agnAlternateName;
} AlternateGlyphName;
/************************************************************************/
/* */
/* Declarations. */
/* */
/************************************************************************/
extern void docInitFontFamily( AppFontFamily * aff );
extern void docInitFontTypeface( AppFontTypeface * aft );
extern const AlternateGlyphName PS_AlternateNames[];
extern int psCalculateStringExtents( AfmBBox * abb,
const unsigned char * s,
int len,
int twipsSize,
int withKerning,
int encoding,
const AfmFontInfo * afi );
extern int psFontCatalog( const char * afmDirectory,
AppFontFamily ** pFamilies,
int * pCount );
extern int psGetFontEncodings( AfmFontInfo * afi );
extern void utilFontFaceDistance( int * pDifCount,
double * pDistance,
const AppFontTypeface * aft1,
const AppFontTypeface * aft2 );
extern int utilFontGetPsFont( int * pFamily,
int * pFace,
AppFontFamily ** pAff,
AppFontTypeface ** pAft,
int * pFontEncoding,
const char * afmDirectory,
const DocumentFont * df,
TextAttribute ta );
# endif
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