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Sweden-Number/graphics/x11drv/xfont.c

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/*
* X11 physical font objects
*
* Copyright 1997 Alex Korobka
*
* TODO: Mapping algorithm tweaks, FO_SYNTH_... flags (ExtTextOut() will
* have to be changed for that), dynamic font loading (FreeType).
*/
#include "config.h"
#include <X11/Xatom.h>
#include "ts_xlib.h"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <math.h>
#include <assert.h>
#include "windef.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "heap.h"
#include "options.h"
#include "font.h"
#include "debugtools.h"
#include "ldt.h"
#include "tweak.h"
#include "x11font.h"
#include "server.h"
DEFAULT_DEBUG_CHANNEL(font);
#define X_PFONT_MAGIC (0xFADE0000)
#define X_FMC_MAGIC (0x0000CAFE)
#define MAX_FONTS 1024*16
#define MAX_LFD_LENGTH 256
#define TILDE '~'
#define HYPHEN '-'
#define DEF_POINT_SIZE 8 /* CreateFont(0 .. ) gets this */
#define DEF_SCALABLE_HEIGHT 100 /* pixels */
#define MIN_FONT_SIZE 2 /* Min size in pixels */
#define MAX_FONT_SIZE 1000 /* Max size in pixels */
#define REMOVE_SUBSETS 1
#define UNMARK_SUBSETS 0
#define FF_FAMILY (FF_MODERN | FF_SWISS | FF_ROMAN | FF_DECORATIVE | FF_SCRIPT)
typedef struct __fontAlias
{
LPSTR faTypeFace;
LPSTR faAlias;
struct __fontAlias* next;
} fontAlias;
static fontAlias *aliasTable = NULL;
UINT16 XTextCaps = TC_OP_CHARACTER | TC_OP_STROKE |
TC_CP_STROKE | TC_CR_ANY |
TC_SA_DOUBLE | TC_SA_INTEGER | TC_SA_CONTIN |
TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE;
/* X11R6 adds TC_SF_X_YINDEP, maybe more... */
static const char* INIFontMetrics = "/cachedmetrics.";
static const char* INIFontSection = "fonts";
static const char* INIAliasSection = "Alias";
static const char* INIIgnoreSection = "Ignore";
static const char* INIDefault = "Default";
static const char* INIDefaultFixed = "DefaultFixed";
static const char* INIResolution = "Resolution";
static const char* INIGlobalMetrics = "FontMetrics";
static const char* INIDefaultSerif = "DefaultSerif";
static const char* INIDefaultSansSerif = "DefaultSansSerif";
/* FIXME - are there any more Latin charsets ? */
#define IS_LATIN_CHARSET(ch) \
((ch)==ANSI_CHARSET ||\
(ch)==EE_CHARSET ||\
(ch)==ISO3_CHARSET ||\
(ch)==ISO4_CHARSET ||\
(ch)==RUSSIAN_CHARSET ||\
(ch)==ARABIC_CHARSET ||\
(ch)==GREEK_CHARSET ||\
(ch)==HEBREW_CHARSET ||\
(ch)==TURKISH_CHARSET ||\
(ch)==BALTIC_CHARSET)
/* suffix-charset mapping tables - must be less than 254 entries long */
typedef struct __sufch
{
LPSTR psuffix;
BYTE charset;
UINT16 codepage;
} SuffixCharset;
static SuffixCharset sufch_ansi[] = {
{ "0", ANSI_CHARSET, 1252 },
{ NULL, ANSI_CHARSET, 1252 }};
static SuffixCharset sufch_iso646[] = {
{ "irv", ANSI_CHARSET, 1252 },
{ NULL, ANSI_CHARSET, 1252 }};
static SuffixCharset sufch_iso8859[] = {
{ "1", ANSI_CHARSET, 28591 },
{ "2", EE_CHARSET, 28592 },
{ "3", ISO3_CHARSET, 28593 },
{ "4", ISO4_CHARSET, 28594 },
{ "5", RUSSIAN_CHARSET, 28595 },
{ "6", ARABIC_CHARSET, 28596 },
{ "7", GREEK_CHARSET, 28597 },
{ "8", HEBREW_CHARSET, 28598 },
{ "9", TURKISH_CHARSET, 28599 },
{ "10", BALTIC_CHARSET, 1257 }, /* FIXME */
{ "11", THAI_CHARSET, 874 }, /* FIXME */
{ "12", SYMBOL_CHARSET, CP_SYMBOL },
{ "13", SYMBOL_CHARSET, CP_SYMBOL },
{ "14", SYMBOL_CHARSET, CP_SYMBOL },
{ "15", ANSI_CHARSET, 1252 },
{ NULL, ANSI_CHARSET, 1252 }};
static SuffixCharset sufch_microsoft[] = {
{ "cp1250", EE_CHARSET, 1250 },
{ "cp1251", RUSSIAN_CHARSET, 1251 },
{ "cp1252", ANSI_CHARSET, 1252 },
{ "cp1253", GREEK_CHARSET, 1253 },
{ "cp1254", TURKISH_CHARSET, 1254 },
{ "cp1255", HEBREW_CHARSET, 1255 },
{ "cp1256", ARABIC_CHARSET, 1256 },
{ "cp1257", BALTIC_CHARSET, 1257 },
{ "fontspecific", SYMBOL_CHARSET, CP_SYMBOL },
{ "symbol", SYMBOL_CHARSET, CP_SYMBOL },
{ NULL, ANSI_CHARSET, 1252 }};
static SuffixCharset sufch_tcvn[] = {
{ "0", TCVN_CHARSET, 1252 }, /* FIXME */
{ NULL, TCVN_CHARSET, 1252 }};
static SuffixCharset sufch_tis620[] = {
{ "0", THAI_CHARSET, 874 }, /* FIXME */
{ NULL, THAI_CHARSET, 874 }};
static SuffixCharset sufch_viscii[] = {
{ "1", VISCII_CHARSET, 1252 }, /* FIXME */
{ NULL, VISCII_CHARSET, 1252 }};
static SuffixCharset sufch_windows[] = {
{ "1250", EE_CHARSET, 1250 },
{ "1251", RUSSIAN_CHARSET, 1251 },
{ "1252", ANSI_CHARSET, 1252 },
{ "1253", GREEK_CHARSET, 1253 },
{ "1254", TURKISH_CHARSET, 1254 },
{ "1255", HEBREW_CHARSET, 1255 },
{ "1256", ARABIC_CHARSET, 1256 },
{ "1257", BALTIC_CHARSET, 1257 },
{ NULL, ANSI_CHARSET, 1252 }};
static SuffixCharset sufch_koi8[] = {
{ "r", RUSSIAN_CHARSET, 20866 },
{ "u", RUSSIAN_CHARSET, 20866 },
{ NULL, RUSSIAN_CHARSET, 20866 }};
/* Each of these must be matched explicitly */
static SuffixCharset sufch_any[] = {
{ "fontspecific", SYMBOL_CHARSET, CP_SYMBOL },
{ NULL, 0, 0 }};
typedef struct __fet
{
LPSTR prefix;
SuffixCharset* sufch;
struct __fet* next;
} fontEncodingTemplate;
/* Note: we can attach additional encoding mappings to the end
* of this table at runtime.
*/
static fontEncodingTemplate __fETTable[] = {
{ "ansi", sufch_ansi, &__fETTable[1] },
{ "ascii", sufch_ansi, &__fETTable[2] },
{ "iso646.1991", sufch_iso646, &__fETTable[3] },
{ "iso8859", sufch_iso8859, &__fETTable[4] },
{ "microsoft", sufch_microsoft, &__fETTable[5] },
{ "tcvn", sufch_tcvn, &__fETTable[6] },
{ "tis620.2533", sufch_tis620, &__fETTable[7] },
{ "viscii1.1", sufch_viscii, &__fETTable[8] },
{ "windows", sufch_windows, &__fETTable[9] },
{ "koi8", sufch_koi8, &__fETTable[10] },
/* NULL prefix matches anything so put it last */
{ NULL, sufch_any, NULL },
};
static fontEncodingTemplate* fETTable = __fETTable;
static int DefResolution = 0;
static CRITICAL_SECTION crtsc_fonts_X11 = CRITICAL_SECTION_INIT;
static fontResource* fontList = NULL;
static fontObject* fontCache = NULL; /* array */
static int fontCacheSize = FONTCACHE;
static int fontLF = -1, fontMRU = -1; /* last free, most recently used */
#define __PFONT(pFont) ( fontCache + ((UINT)(pFont) & 0x0000FFFF) )
#define CHECK_PFONT(pFont) ( (((UINT)(pFont) & 0xFFFF0000) == X_PFONT_MAGIC) &&\
(((UINT)(pFont) & 0x0000FFFF) < fontCacheSize) )
static Atom RAW_ASCENT;
static Atom RAW_DESCENT;
/***********************************************************************
* Helper macros from X distribution
*/
#define CI_NONEXISTCHAR(cs) (((cs)->width == 0) && \
(((cs)->rbearing|(cs)->lbearing| \
(cs)->ascent|(cs)->descent) == 0))
#define CI_GET_CHAR_INFO(fs,col,def,cs) \
{ \
cs = def; \
if (col >= fs->min_char_or_byte2 && col <= fs->max_char_or_byte2) { \
if (fs->per_char == NULL) { \
cs = &fs->min_bounds; \
} else { \
cs = &fs->per_char[(col - fs->min_char_or_byte2)]; \
if (CI_NONEXISTCHAR(cs)) cs = def; \
} \
} \
}
#define CI_GET_DEFAULT_INFO(fs,cs) \
CI_GET_CHAR_INFO(fs, fs->default_char, NULL, cs)
/***********************************************************************
* Checksums
*/
static UINT16 __lfCheckSum( LPLOGFONT16 plf )
{
CHAR font[LF_FACESIZE];
UINT16 checksum = 0;
UINT16 i;
#define ptr ((UINT16*)plf)
for( i = 0; i < 9; i++ ) checksum ^= *ptr++;
#undef ptr
i = 0;
#define ptr ((CHAR*)plf)
do { font[i++] = tolower(*ptr++); } while (( i < LF_FACESIZE) && (*ptr) && (*ptr!=' '));
for( ptr = font, i >>= 1; i > 0; i-- )
#undef ptr
#define ptr ((UINT16*)plf)
checksum ^= *ptr++;
#undef ptr
return checksum;
}
static UINT16 __genericCheckSum( const void *ptr, int size )
{
unsigned int checksum = 0;
const char *p = (const char *)ptr;
while (size-- > 0)
checksum ^= (checksum << 3) + (checksum >> 29) + *p++;
return checksum & 0xffff;
}
/*************************************************************************
* LFD parse/compose routines
*
* NB. LFD_Parse will use lpFont for its own ends, so if you want to keep it
* make a copy first
*
* These functions also do TILDE to HYPHEN conversion
*/
static LFD* LFD_Parse(LPSTR lpFont)
{
LFD* lfd;
char *lpch = lpFont, *lfd_fld[LFD_FIELDS], *field_start;
int i;
if (*lpch != HYPHEN)
{
WARN("font '%s' doesn't begin with '%c'\n", lpFont, HYPHEN);
return NULL;
}
field_start = ++lpch;
for( i = 0; i < LFD_FIELDS; )
{
if (*lpch == HYPHEN)
{
*lpch = '\0';
lfd_fld[i] = field_start;
i++;
field_start = ++lpch;
}
else if (!*lpch)
{
lfd_fld[i] = field_start;
i++;
break;
}
else if (*lpch == TILDE)
{
*lpch = HYPHEN;
++lpch;
}
else
++lpch;
}
/* Fill in the empty fields with NULLS */
for (; i< LFD_FIELDS; i++)
lfd_fld[i] = NULL;
if (*lpch)
WARN("Extra ignored in font '%s'\n", lpFont);
lfd = HeapAlloc( GetProcessHeap(), 0, sizeof(LFD) );
if (lfd)
{
lfd->foundry = lfd_fld[0];
lfd->family = lfd_fld[1];
lfd->weight = lfd_fld[2];
lfd->slant = lfd_fld[3];
lfd->set_width = lfd_fld[4];
lfd->add_style = lfd_fld[5];
lfd->pixel_size = lfd_fld[6];
lfd->point_size = lfd_fld[7];
lfd->resolution_x = lfd_fld[8];
lfd->resolution_y = lfd_fld[9];
lfd->spacing = lfd_fld[10];
lfd->average_width = lfd_fld[11];
lfd->charset_registry = lfd_fld[12];
lfd->charset_encoding = lfd_fld[13];
}
return lfd;
}
static void LFD_UnParse(LPSTR dp, UINT buf_size, LFD* lfd)
{
char* lfd_fld[LFD_FIELDS];
int i;
if (!buf_size)
return; /* Dont be silly */
lfd_fld[0] = lfd->foundry;
lfd_fld[1] = lfd->family;
lfd_fld[2] = lfd->weight ;
lfd_fld[3] = lfd->slant ;
lfd_fld[4] = lfd->set_width ;
lfd_fld[5] = lfd->add_style;
lfd_fld[6] = lfd->pixel_size;
lfd_fld[7] = lfd->point_size;
lfd_fld[8] = lfd->resolution_x;
lfd_fld[9] = lfd->resolution_y ;
lfd_fld[10] = lfd->spacing ;
lfd_fld[11] = lfd->average_width ;
lfd_fld[12] = lfd->charset_registry ;
lfd_fld[13] = lfd->charset_encoding ;
buf_size--; /* Room for the terminator */
for (i = 0; i < LFD_FIELDS; i++)
{
char* sp = lfd_fld[i];
if (!sp || !buf_size)
break;
*dp++ = HYPHEN;
buf_size--;
while (buf_size > 0 && *sp)
{
*dp = (*sp == HYPHEN) ? TILDE : *sp;
buf_size--;
dp++; sp++;
}
}
*dp = '\0';
}
static void LFD_GetWeight( fontInfo* fi, LPCSTR lpStr)
{
int j = lstrlenA(lpStr);
if( j == 1 && *lpStr == '0')
fi->fi_flags |= FI_POLYWEIGHT;
else if( j == 4 )
{
if( !strcasecmp( "bold", lpStr) )
fi->df.dfWeight = FW_BOLD;
else if( !strcasecmp( "demi", lpStr) )
{
fi->fi_flags |= FI_FW_DEMI;
fi->df.dfWeight = FW_DEMIBOLD;
}
else if( !strcasecmp( "book", lpStr) )
{
fi->fi_flags |= FI_FW_BOOK;
fi->df.dfWeight = FW_REGULAR;
}
}
else if( j == 5 )
{
if( !strcasecmp( "light", lpStr) )
fi->df.dfWeight = FW_LIGHT;
else if( !strcasecmp( "black", lpStr) )
fi->df.dfWeight = FW_BLACK;
}
else if( j == 6 && !strcasecmp( "medium", lpStr) )
fi->df.dfWeight = FW_REGULAR;
else if( j == 8 && !strcasecmp( "demibold", lpStr) )
fi->df.dfWeight = FW_DEMIBOLD;
else
fi->df.dfWeight = FW_DONTCARE; /* FIXME: try to get something
* from the weight property */
}
static BOOL LFD_GetSlant( fontInfo* fi, LPCSTR lpStr)
{
int l = lstrlenA(lpStr);
if( l == 1 )
{
switch( tolower( *lpStr ) )
{
case '0': fi->fi_flags |= FI_POLYSLANT; /* haven't seen this one yet */
default:
case 'r': fi->df.dfItalic = 0;
break;
case 'o':
fi->fi_flags |= FI_OBLIQUE;
case 'i': fi->df.dfItalic = 1;
break;
}
return FALSE;
}
return TRUE;
}
static void LFD_GetStyle( fontInfo* fi, LPCSTR lpstr, int dec_style_check)
{
int j = lstrlenA(lpstr);
if( j > 3 ) /* find out is there "sans" or "script" */
{
j = 0;
if( strstr(lpstr, "sans") )
{
fi->df.dfPitchAndFamily |= FF_SWISS;
j = 1;
}
if( strstr(lpstr, "script") )
{
fi->df.dfPitchAndFamily |= FF_SCRIPT;
j = 1;
}
if( !j && dec_style_check )
fi->df.dfPitchAndFamily |= FF_DECORATIVE;
}
}
/*************************************************************************
* LFD_InitFontInfo
*
* INIT ONLY
*
* Fill in some fields in the fontInfo struct.
*/
static int LFD_InitFontInfo( fontInfo* fi, const LFD* lfd, LPCSTR fullname )
{
int i, j, dec_style_check, scalability;
fontEncodingTemplate* boba;
const char* ridiculous = "font '%s' has ridiculous %s\n";
char* lpstr;
if (!lfd->charset_registry)
{
WARN("font '%s' does not have enough fields\n", fullname);
return FALSE;
}
memset(fi, 0, sizeof(fontInfo) );
/* weight name - */
LFD_GetWeight( fi, lfd->weight);
/* slant - */
dec_style_check = LFD_GetSlant( fi, lfd->slant);
/* width name - */
lpstr = lfd->set_width;
if( strcasecmp( "normal", lpstr) ) /* XXX 'narrow', 'condensed', etc... */
dec_style_check = TRUE;
else
fi->fi_flags |= FI_NORMAL;
/* style - */
LFD_GetStyle(fi, lfd->add_style, dec_style_check);
/* pixel & decipoint height, and res_x & y */
scalability = 0;
j = strlen(lfd->pixel_size);
if( j == 0 || j > 3 )
{
WARN(ridiculous, fullname, "pixel_size");
return FALSE;
}
if( !(fi->lfd_height = atoi(lfd->pixel_size)) )
scalability++;
j = strlen(lfd->point_size);
if( j == 0 || j > 3 )
{
WARN(ridiculous, fullname, "point_size");
return FALSE;
}
if( !(atoi(lfd->point_size)) )
scalability++;
j = strlen(lfd->resolution_x);
if( j == 0 || j > 3 )
{
WARN(ridiculous, fullname, "resolution_x");
return FALSE;
}
if( !(fi->lfd_resolution = atoi(lfd->resolution_x)) )
scalability++;
j = strlen(lfd->resolution_y);
if( j == 0 || j > 3 )
{
WARN(ridiculous, fullname, "resolution_y");
return FALSE;
}
if( !(atoi(lfd->resolution_y)) )
scalability++;
/* Check scalability */
switch (scalability)
{
case 0: /* Bitmap */
break;
case 4: /* Scalable */
fi->fi_flags |= FI_SCALABLE;
break;
case 2:
/* #$%^!!! X11R6 mutant garbage (scalable bitmap) */
TRACE("Skipping scalable bitmap '%s'\n", fullname);
return FALSE;
default:
WARN("Font '%s' has weird scalability\n", fullname);
return FALSE;
}
/* spacing - */
lpstr = lfd->spacing;
switch( *lpstr )
{
case '\0':
WARN("font '%s' has no spacing\n", fullname);
return FALSE;
case 'p': fi->fi_flags |= FI_VARIABLEPITCH;
break;
case 'c': fi->df.dfPitchAndFamily |= FF_MODERN;
fi->fi_flags |= FI_FIXEDEX;
/* fall through */
case 'm': fi->fi_flags |= FI_FIXEDPITCH;
break;
default:
/* Of course this line does nothing */
fi->df.dfPitchAndFamily |= DEFAULT_PITCH | FF_DONTCARE;
}
/* average width - */
lpstr = lfd->average_width;
j = strlen(lpstr);
if( j == 0 || j > 3 )
{
WARN(ridiculous, fullname, "average_width");
return FALSE;
}
if( !(atoi(lpstr)) && !scalability )
{
WARN("font '%s' has average_width 0 but is not scalable!!\n", fullname);
return FALSE;
}
/* charset registry, charset encoding - */
lpstr = lfd->charset_registry;
if( strstr(lpstr, "jisx") ||
strstr(lpstr, "ksc") ||
strstr(lpstr, "gb2312") ||
strstr(lpstr, "big5") ||
strstr(lpstr, "unicode") )
{
TRACE(" 2-byte fonts like '%s' are not supported\n", fullname);
return FALSE;
}
fi->df.dfCharSet = ANSI_CHARSET;
for( i = 0, boba = fETTable; boba; boba = boba->next, i++ )
{
if (!boba->prefix || !strcasecmp(lpstr, boba->prefix))
{
if (lfd->charset_encoding)
{
for( j = 0; boba->sufch[j].psuffix; j++ )
{
if( !strcasecmp(lfd->charset_encoding, boba->sufch[j].psuffix ))
{
fi->df.dfCharSet = boba->sufch[j].charset;
fi->codepage = boba->sufch[j].codepage;
goto done;
}
}
if (boba->prefix)
{
WARN("font '%s' has unknown character encoding '%s'\n",
fullname, lfd->charset_encoding);
fi->df.dfCharSet = boba->sufch[j].charset;
fi->codepage = boba->sufch[j].codepage;
j = 254;
goto done;
}
}
else if (boba->prefix)
{
for( j = 0; boba->sufch[j].psuffix; j++ )
;
fi->df.dfCharSet = boba->sufch[j].charset;
fi->codepage = boba->sufch[j].codepage;
j = 255;
goto done;
}
}
}
WARN("font '%s' has unknown character set '%s'\n", fullname, lpstr);
return FALSE;
done:
/* i - index into fETTable
* j - index into suffix array for fETTable[i]
* except:
* 254 - unknown suffix
* 255 - no suffix at all.
*/
fi->fi_encoding = 256 * (UINT16)i + (UINT16)j;
return TRUE;
}
/*************************************************************************
* LFD_AngleMatrix
*
* make a matrix suitable for LFD based on theta radians
*/
static void LFD_AngleMatrix( char* buffer, int h, double theta)
{
double matrix[4];
matrix[0] = h*cos(theta);
matrix[1] = h*sin(theta);
matrix[2] = -h*sin(theta);
matrix[3] = h*cos(theta);
sprintf(buffer, "[%+f%+f%+f%+f]", matrix[0], matrix[1], matrix[2], matrix[3]);
}
/*************************************************************************
* LFD_ComposeLFD
*
* Note: uRelax is a treatment not a cure. Font mapping algorithm
* should be bulletproof enough to allow us to avoid hacks like
* this despite LFD being so braindead.
*/
static BOOL LFD_ComposeLFD( const fontObject* fo,
INT height, LPSTR lpLFD, UINT uRelax )
{
int i, h;
char *any = "*";
char h_string[64], resx_string[64], resy_string[64];
LFD aLFD;
/* Get the worst case over with first */
/* RealizeFont() will call us repeatedly with increasing uRelax
* until XLoadFont() succeeds.
* to avoid an infinite loop; these will always match
*/
if (uRelax >= 5)
{
if (uRelax == 5)
sprintf( lpLFD, "-*-*-*-*-*-*-*-*-*-*-*-*-iso8859-1" );
else
sprintf( lpLFD, "-*-*-*-*-*-*-*-*-*-*-*-*-*-*" );
return TRUE;
}
/* read foundry + family from fo */
aLFD.foundry = fo->fr->resource->foundry;
aLFD.family = fo->fr->resource->family;
/* add weight */
switch( fo->fi->df.dfWeight )
{
case FW_BOLD:
aLFD.weight = "bold"; break;
case FW_REGULAR:
if( fo->fi->fi_flags & FI_FW_BOOK )
aLFD.weight = "book";
else
aLFD.weight = "medium";
break;
case FW_DEMIBOLD:
aLFD.weight = "demi";
if( !( fo->fi->fi_flags & FI_FW_DEMI) )
aLFD.weight = "bold";
break;
case FW_BLACK:
aLFD.weight = "black"; break;
case FW_LIGHT:
aLFD.weight = "light"; break;
default:
aLFD.weight = any;
}
/* add slant */
if( fo->fi->df.dfItalic )
if( fo->fi->fi_flags & FI_OBLIQUE )
aLFD.slant = "o";
else
aLFD.slant = "i";
else
aLFD.slant = (uRelax < 1) ? "r" : any;
/* add width */
if( fo->fi->fi_flags & FI_NORMAL )
aLFD.set_width = "normal";
else
aLFD.set_width = any;
/* ignore style */
aLFD.add_style = any;
/* add pixelheight
*
* FIXME: fill in lpXForm and lpPixmap for rotated fonts
*/
if( fo->fo_flags & FO_SYNTH_HEIGHT )
h = fo->fi->lfd_height;
else
{
h = (fo->fi->lfd_height * height + (fo->fi->df.dfPixHeight>>1));
h /= fo->fi->df.dfPixHeight;
}
if (h < MIN_FONT_SIZE) /* Resist rounding down to 0 */
h = MIN_FONT_SIZE;
else if (h > MAX_FONT_SIZE) /* Sanity check as huge fonts can lock up the font server */
{
WARN("Huge font size %d pixels has been reduced to %d\n", h, MAX_FONT_SIZE);
h = MAX_FONT_SIZE;
}
if (uRelax <= 2)
/* handle rotated fonts */
if (fo->lf.lfEscapement) {
/* escapement is in tenths of degrees, theta is in radians */
double theta = M_PI*fo->lf.lfEscapement/1800.;
LFD_AngleMatrix(h_string, h, theta);
}
else
{
sprintf(h_string, "%d", h);
}
else
sprintf(h_string, "%d", fo->fi->lfd_height);
aLFD.pixel_size = h_string;
aLFD.point_size = any;
/* resolution_x,y, average width */
/* FOX ME - Why do some font servers ignore average width ?
* so that you have to mess around with res_y
*/
aLFD.average_width = any;
if (uRelax <= 3)
{
sprintf(resx_string, "%d", fo->fi->lfd_resolution);
aLFD.resolution_x = resx_string;
strcpy(resy_string, resx_string);
if( uRelax == 0 && XTextCaps & TC_SF_X_YINDEP )
{
if( fo->lf.lfWidth && !(fo->fo_flags & FO_SYNTH_WIDTH))
{
int resy = 0.5 + fo->fi->lfd_resolution *
(fo->fi->df.dfAvgWidth * height) /
(fo->lf.lfWidth * fo->fi->df.dfPixHeight) ;
sprintf(resy_string, "%d", resy);
}
else
; /* FIXME - synth width */
}
aLFD.resolution_y = resy_string;
}
else
{
aLFD.resolution_x = aLFD.resolution_y = any;
}
/* spacing */
{
char* w;
if( fo->fi->fi_flags & FI_FIXEDPITCH )
w = ( fo->fi->fi_flags & FI_FIXEDEX ) ? "c" : "m";
else
w = ( fo->fi->fi_flags & FI_VARIABLEPITCH ) ? "p" : any;
aLFD.spacing = (uRelax <= 1) ? w : any;
}
/* encoding */
if (uRelax <= 4)
{
fontEncodingTemplate* boba;
i = fo->fi->fi_encoding >> 8;
for( boba = fETTable; i; i--, boba = boba->next );
aLFD.charset_registry = boba->prefix ? boba->prefix : any;
i = fo->fi->fi_encoding & 255;
switch( i )
{
default:
aLFD.charset_encoding = boba->sufch[i].psuffix;
break;
case 254:
aLFD.charset_encoding = any;
break;
case 255: /* no suffix - it ends eg "-ascii" */
aLFD.charset_encoding = NULL;
break;
}
}
else
{
aLFD.charset_registry = any;
aLFD.charset_encoding = any;
}
LFD_UnParse(lpLFD, MAX_LFD_LENGTH, &aLFD);
TRACE("\tLFD(uRelax=%d): %s\n", uRelax, lpLFD );
return TRUE;
}
/***********************************************************************
* X Font Resources
*
* font info - http://www.microsoft.com/kb/articles/q65/1/23.htm
* Windows font metrics - http://www.microsoft.com/kb/articles/q32/6/67.htm
*/
static void XFONT_GetLeading( const LPIFONTINFO16 pFI, const XFontStruct* x_fs,
INT16* pIL, INT16* pEL, const XFONTTRANS *XFT )
{
unsigned long height;
unsigned min = (unsigned char)pFI->dfFirstChar;
BOOL bIsLatin = IS_LATIN_CHARSET(pFI->dfCharSet);
if( pEL ) *pEL = 0;
if(XFT) {
Atom RAW_CAP_HEIGHT = TSXInternAtom(display, "RAW_CAP_HEIGHT", TRUE);
if(TSXGetFontProperty((XFontStruct*)x_fs, RAW_CAP_HEIGHT, &height))
*pIL = XFT->ascent -
(INT)(XFT->pixelsize / 1000.0 * height);
else
*pIL = 0;
return;
}
if( TSXGetFontProperty((XFontStruct*)x_fs, XA_CAP_HEIGHT, &height) == FALSE )
{
if( x_fs->per_char )
if( bIsLatin )
height = x_fs->per_char['X' - min].ascent;
else
if (x_fs->ascent >= x_fs->max_bounds.ascent)
height = x_fs->max_bounds.ascent;
else
{
height = x_fs->ascent;
if( pEL )
*pEL = x_fs->max_bounds.ascent - height;
}
else
height = x_fs->min_bounds.ascent;
}
*pIL = x_fs->ascent - height;
}
/***********************************************************************
* XFONT_CharWidth
*/
static int XFONT_CharWidth(const XFontStruct* x_fs,
const XFONTTRANS *XFT, int ch)
{
if(!XFT)
return x_fs->per_char[ch].width;
else
return x_fs->per_char[ch].attributes * XFT->pixelsize / 1000.0;
}
/***********************************************************************
* XFONT_GetAvgCharWidth
*/
static INT XFONT_GetAvgCharWidth( LPIFONTINFO16 pFI, const XFontStruct* x_fs,
const XFONTTRANS *XFT)
{
unsigned min = (unsigned char)pFI->dfFirstChar;
unsigned max = (unsigned char)pFI->dfLastChar;
INT avg;
if( x_fs->per_char )
{
int width = 0, chars = 0, j;
if( IS_LATIN_CHARSET(pFI->dfCharSet))
{
/* FIXME - should use a weighted average */
for( j = 0; j < 26; j++ )
width += XFONT_CharWidth(x_fs, XFT, 'a' + j - min) +
XFONT_CharWidth(x_fs, XFT, 'A' + j - min);
chars = 52;
}
else /* unweighted average of everything */
{
for( j = 0, max -= min; j <= max; j++ )
if( !CI_NONEXISTCHAR(x_fs->per_char + j) )
{
width += XFONT_CharWidth(x_fs, XFT, j);
chars++;
}
}
if (chars) avg = (width + (chars>>1))/ chars;
else avg = 0; /* No characters exist at all */
}
else /* uniform width */
avg = x_fs->min_bounds.width;
return avg;
}
/***********************************************************************
* XFONT_GetMaxCharWidth
*/
static INT XFONT_GetMaxCharWidth(const XFontStruct* xfs, const XFONTTRANS *XFT)
{
unsigned min = (unsigned char)xfs->min_char_or_byte2;
unsigned max = (unsigned char)xfs->max_char_or_byte2;
int maxwidth, j;
if(!XFT || !xfs->per_char)
return abs(xfs->max_bounds.width);
for( j = 0, maxwidth = 0, max -= min; j <= max; j++ )
if( !CI_NONEXISTCHAR(xfs->per_char + j) )
if(maxwidth < xfs->per_char[j].attributes)
maxwidth = xfs->per_char[j].attributes;
maxwidth *= XFT->pixelsize / 1000.0;
return maxwidth;
}
/***********************************************************************
* XFONT_SetFontMetric
*
* INIT ONLY
*
* Initializes IFONTINFO16.
*/
static void XFONT_SetFontMetric(fontInfo* fi, const fontResource* fr, XFontStruct* xfs)
{
unsigned min, max;
fi->df.dfFirstChar = (BYTE)(min = xfs->min_char_or_byte2);
fi->df.dfLastChar = (BYTE)(max = xfs->max_char_or_byte2);
fi->df.dfDefaultChar = (BYTE)xfs->default_char;
fi->df.dfBreakChar = (BYTE)(( ' ' < min || ' ' > max) ? xfs->default_char: ' ');
fi->df.dfPixHeight = (INT16)((fi->df.dfAscent = (INT16)xfs->ascent) + xfs->descent);
fi->df.dfPixWidth = (xfs->per_char) ? 0 : xfs->min_bounds.width;
XFONT_GetLeading( &fi->df, xfs, &fi->df.dfInternalLeading, &fi->df.dfExternalLeading, NULL );
fi->df.dfAvgWidth = (INT16)XFONT_GetAvgCharWidth(&fi->df, xfs, NULL );
fi->df.dfMaxWidth = (INT16)XFONT_GetMaxCharWidth(xfs, NULL);
if( xfs->min_bounds.width != xfs->max_bounds.width )
fi->df.dfPitchAndFamily |= TMPF_FIXED_PITCH; /* au contraire! */
if( fi->fi_flags & FI_SCALABLE )
{
fi->df.dfType = DEVICE_FONTTYPE;
fi->df.dfPitchAndFamily |= TMPF_DEVICE;
}
else if( fi->fi_flags & FI_TRUETYPE )
fi->df.dfType = TRUETYPE_FONTTYPE;
else
fi->df.dfType = RASTER_FONTTYPE;
fi->df.dfFace = fr->lfFaceName;
}
/***********************************************************************
* XFONT_GetTextMetrics
*
* GetTextMetrics() back end.
*/
static void XFONT_GetTextMetrics( const fontObject* pfo, const LPTEXTMETRICA pTM )
{
LPIFONTINFO16 pdf = &pfo->fi->df;
if( ! pfo->lpX11Trans ) {
pTM->tmAscent = pfo->fs->ascent;
pTM->tmDescent = pfo->fs->descent;
} else {
pTM->tmAscent = pfo->lpX11Trans->ascent;
pTM->tmDescent = pfo->lpX11Trans->descent;
}
pTM->tmAscent *= pfo->rescale;
pTM->tmDescent *= pfo->rescale;
pTM->tmHeight = pTM->tmAscent + pTM->tmDescent;
pTM->tmAveCharWidth = pfo->foAvgCharWidth * pfo->rescale;
pTM->tmMaxCharWidth = pfo->foMaxCharWidth * pfo->rescale;
pTM->tmInternalLeading = pfo->foInternalLeading * pfo->rescale;
pTM->tmExternalLeading = pdf->dfExternalLeading * pfo->rescale;
pTM->tmStruckOut = (pfo->fo_flags & FO_SYNTH_STRIKEOUT )
? 1 : pdf->dfStrikeOut;
pTM->tmUnderlined = (pfo->fo_flags & FO_SYNTH_UNDERLINE )
? 1 : pdf->dfUnderline;
pTM->tmOverhang = 0;
if( pfo->fo_flags & FO_SYNTH_ITALIC )
{
pTM->tmOverhang += pTM->tmHeight/3;
pTM->tmItalic = 1;
} else
pTM->tmItalic = pdf->dfItalic;
pTM->tmWeight = pdf->dfWeight;
if( pfo->fo_flags & FO_SYNTH_BOLD )
{
pTM->tmOverhang++;
pTM->tmWeight += 100;
}
pTM->tmFirstChar = pdf->dfFirstChar;
pTM->tmLastChar = pdf->dfLastChar;
pTM->tmDefaultChar = pdf->dfDefaultChar;
pTM->tmBreakChar = pdf->dfBreakChar;
pTM->tmCharSet = pdf->dfCharSet;
pTM->tmPitchAndFamily = pdf->dfPitchAndFamily;
pTM->tmDigitizedAspectX = pdf->dfHorizRes;
pTM->tmDigitizedAspectY = pdf->dfVertRes;
}
/***********************************************************************
* XFONT_GetFontMetric
*
* Retrieve font metric info (enumeration).
*/
static UINT XFONT_GetFontMetric( const fontInfo* pfi, const LPENUMLOGFONTEX16 pLF,
const LPNEWTEXTMETRIC16 pTM )
{
memset( pLF, 0, sizeof(*pLF) );
memset( pTM, 0, sizeof(*pTM) );
#define plf ((LPLOGFONT16)pLF)
plf->lfHeight = pTM->tmHeight = pfi->df.dfPixHeight;
plf->lfWidth = pTM->tmAveCharWidth = pfi->df.dfAvgWidth;
plf->lfWeight = pTM->tmWeight = pfi->df.dfWeight;
plf->lfItalic = pTM->tmItalic = pfi->df.dfItalic;
plf->lfUnderline = pTM->tmUnderlined = pfi->df.dfUnderline;
plf->lfStrikeOut = pTM->tmStruckOut = pfi->df.dfStrikeOut;
plf->lfCharSet = pTM->tmCharSet = pfi->df.dfCharSet;
/* convert pitch values */
pTM->tmPitchAndFamily = pfi->df.dfPitchAndFamily;
plf->lfPitchAndFamily = (pfi->df.dfPitchAndFamily & 0xF1) + 1;
lstrcpynA( plf->lfFaceName, pfi->df.dfFace, LF_FACESIZE );
#undef plf
/* FIXME: fill in rest of plF values
lstrcpynA(plF->elfFullName, , LF_FULLFACESIZE);
lstrcpynA(plF->elfStyle, , LF_FACESIZE);
lstrcpynA(plF->elfScript, , LF_FACESIZE);
*/
pTM->tmAscent = pfi->df.dfAscent;
pTM->tmDescent = pTM->tmHeight - pTM->tmAscent;
pTM->tmInternalLeading = pfi->df.dfInternalLeading;
pTM->tmMaxCharWidth = pfi->df.dfMaxWidth;
pTM->tmDigitizedAspectX = pfi->df.dfHorizRes;
pTM->tmDigitizedAspectY = pfi->df.dfVertRes;
pTM->tmFirstChar = pfi->df.dfFirstChar;
pTM->tmLastChar = pfi->df.dfLastChar;
pTM->tmDefaultChar = pfi->df.dfDefaultChar;
pTM->tmBreakChar = pfi->df.dfBreakChar;
/* return font type */
return pfi->df.dfType;
}
/***********************************************************************
* XFONT_FixupFlags
*
* INIT ONLY
*
* dfPitchAndFamily flags for some common typefaces.
*/
static BYTE XFONT_FixupFlags( LPCSTR lfFaceName )
{
switch( lfFaceName[0] )
{
case 'a':
case 'A': if(!strncasecmp(lfFaceName, "Arial", 5) )
return FF_SWISS;
break;
case 'h':
case 'H': if(!strcasecmp(lfFaceName, "Helvetica") )
return FF_SWISS;
break;
case 'c':
case 'C': if(!strncasecmp(lfFaceName, "Courier", 7))
return FF_MODERN;
if (!strcasecmp(lfFaceName, "Charter") )
return FF_ROMAN;
break;
case 'p':
case 'P': if( !strcasecmp(lfFaceName,"Palatino") )
return FF_ROMAN;
break;
case 't':
case 'T': if(!strncasecmp(lfFaceName, "Times", 5) )
return FF_ROMAN;
break;
case 'u':
case 'U': if(!strcasecmp(lfFaceName, "Utopia") )
return FF_ROMAN;
break;
case 'z':
case 'Z': if(!strcasecmp(lfFaceName, "Zapf Dingbats") )
return FF_DECORATIVE;
}
return 0;
}
/***********************************************************************
* XFONT_SameFoundryAndFamily
*
* INIT ONLY
*/
static BOOL XFONT_SameFoundryAndFamily( const LFD* lfd1, const LFD* lfd2 )
{
return ( !strcasecmp( lfd1->foundry, lfd2->foundry ) &&
!strcasecmp( lfd1->family, lfd2->family ) );
}
/***********************************************************************
* XFONT_InitialCapitals
*
* INIT ONLY
*
* Upper case first letters of words & remove multiple spaces
*/
static void XFONT_InitialCapitals(LPSTR lpch)
{
int i;
BOOL up;
char* lpstr = lpch;
for( i = 0, up = TRUE; *lpch; lpch++, i++ )
{
if( isspace(*lpch) )
{
if (!up) /* Not already got one */
{
*lpstr++ = ' ';
up = TRUE;
}
}
else if( isalpha(*lpch) && up )
{
*lpstr++ = toupper(*lpch);
up = FALSE;
}
else
{
*lpstr++ = *lpch;
up = FALSE;
}
}
/* Remove possible trailing space */
if (up && i > 0)
--lpstr;
*lpstr = '\0';
}
/***********************************************************************
* XFONT_WindowsNames
*
* INIT ONLY
*
* Build generic Windows aliases for X font names.
*
* -misc-fixed- -> "Fixed"
* -sony-fixed- -> "Sony Fixed", etc...
*/
static void XFONT_WindowsNames(void)
{
fontResource* fr;
for( fr = fontList; fr ; fr = fr->next )
{
fontResource* pfr;
char* lpch;
if( fr->fr_flags & FR_NAMESET ) continue; /* skip already assigned */
for( pfr = fontList; pfr != fr ; pfr = pfr->next )
if( pfr->fr_flags & FR_NAMESET )
{
if (!strcasecmp( pfr->resource->family, fr->resource->family))
break;
}
lpch = fr->lfFaceName;
wsnprintfA( fr->lfFaceName, sizeof(fr->lfFaceName), "%s %s",
/* prepend vendor name */
(pfr==fr) ? "" : fr->resource->foundry,
fr->resource->family);
XFONT_InitialCapitals(fr->lfFaceName);
{
BYTE bFamilyStyle = XFONT_FixupFlags( fr->lfFaceName );
if( bFamilyStyle)
{
fontInfo* fi;
for( fi = fr->fi ; fi ; fi = fi->next )
fi->df.dfPitchAndFamily |= bFamilyStyle;
}
}
TRACE("typeface '%s'\n", fr->lfFaceName);
fr->fr_flags |= FR_NAMESET;
}
}
/***********************************************************************
* XFONT_LoadDefaultLFD
*
* Move lfd to the head of fontList to make it more likely to be matched
*/
static void XFONT_LoadDefaultLFD(LFD* lfd, LPCSTR fonttype)
{
{
fontResource *fr, *pfr;
for( fr = NULL, pfr = fontList; pfr; pfr = pfr->next )
{
if( XFONT_SameFoundryAndFamily(pfr->resource, lfd) )
{
if( fr )
{
fr->next = pfr->next;
pfr->next = fontList;
fontList = pfr;
}
break;
}
fr = pfr;
}
if (!pfr)
WARN("Default %sfont '-%s-%s-' not available\n", fonttype,
lfd->foundry, lfd->family);
}
}
/***********************************************************************
* XFONT_LoadDefault
*/
static void XFONT_LoadDefault(LPCSTR ini, LPCSTR fonttype)
{
char buffer[MAX_LFD_LENGTH];
if( PROFILE_GetWineIniString( INIFontSection, ini, "", buffer, sizeof buffer ) )
{
if (*buffer)
{
LFD* lfd;
char* pch = buffer;
while( *pch && isspace(*pch) ) pch++;
TRACE("Using '%s' as default %sfont\n", pch, fonttype);
lfd = LFD_Parse(pch);
if (lfd && lfd->foundry && lfd->family)
XFONT_LoadDefaultLFD(lfd, fonttype);
else
WARN("Ini section [%s]%s is malformed\n", INIFontSection, ini);
HeapFree(GetProcessHeap(), 0, lfd);
}
}
}
/***********************************************************************
* XFONT_LoadDefaults
*/
static void XFONT_LoadDefaults(void)
{
XFONT_LoadDefault(INIDefaultFixed, "fixed ");
XFONT_LoadDefault(INIDefault, "");
}
/***********************************************************************
* XFONT_CreateAlias
*/
static fontAlias* XFONT_CreateAlias( LPCSTR lpTypeFace, LPCSTR lpAlias )
{
int j;
fontAlias *pfa, *prev = NULL;
for(pfa = aliasTable; pfa; pfa = pfa->next)
{
/* check if we already got one */
if( !strcasecmp( pfa->faTypeFace, lpAlias ) )
{
TRACE("redundant alias '%s' -> '%s'\n",
lpAlias, lpTypeFace );
return NULL;
}
prev = pfa;
}
j = lstrlenA(lpTypeFace) + 1;
pfa = HeapAlloc( GetProcessHeap(), 0, sizeof(fontAlias) +
j + lstrlenA(lpAlias) + 1 );
if (pfa)
{
if (!prev)
aliasTable = pfa;
else
prev->next = pfa;
pfa->next = NULL;
pfa->faTypeFace = (LPSTR)(pfa + 1);
lstrcpyA( pfa->faTypeFace, lpTypeFace );
pfa->faAlias = pfa->faTypeFace + j;
lstrcpyA( pfa->faAlias, lpAlias );
TRACE("added alias '%s' for %s\n", lpAlias, lpTypeFace );
return pfa;
}
return NULL;
}
/***********************************************************************
* XFONT_LoadAlias
*/
static void XFONT_LoadAlias(const LFD* lfd, LPCSTR lpAlias, BOOL bSubst)
{
fontResource *fr, *frMatch = NULL;
if (!lfd->foundry || ! lfd->family)
{
WARN("Malformed font resource for alias '%s'\n", lpAlias);
return;
}
for (fr = fontList; fr ; fr = fr->next)
{
if(!strcasecmp(fr->resource->family, lpAlias))
{
/* alias is not needed since the real font is present */
TRACE("Ignoring font alias '%s' as it is already available as a real font\n", lpAlias);
return;
}
if( XFONT_SameFoundryAndFamily( fr->resource, lfd ) )
{
frMatch = fr;
break;
}
}
if( frMatch )
{
if( bSubst )
{
fontAlias *pfa, *prev = NULL;
for(pfa = aliasTable; pfa; pfa = pfa->next)
{
/* Remove lpAlias from aliasTable - we should free the old entry */
if(!strcmp(lpAlias, pfa->faAlias))
{
if(prev)
prev->next = pfa->next;
else
aliasTable = pfa->next;
}
/* Update any references to the substituted font in aliasTable */
if(!strcmp(frMatch->lfFaceName, pfa->faTypeFace))
pfa->faTypeFace = HEAP_strdupA( GetProcessHeap(), 0, lpAlias );
prev = pfa;
}
TRACE("\tsubstituted '%s' with %s\n", frMatch->lfFaceName, lpAlias );
lstrcpynA( frMatch->lfFaceName, lpAlias, LF_FACESIZE );
frMatch->fr_flags |= FR_NAMESET;
}
else
{
/* create new entry in the alias table */
XFONT_CreateAlias( frMatch->lfFaceName, lpAlias );
}
}
else
{
WARN("Font alias '-%s-%s-' is not available\n", lfd->foundry, lfd->family);
}
}
/***********************************************************************
* XFONT_LoadAliases
*
* INIT ONLY
*
* Create font aliases for some standard windows fonts using users
* default choice of (sans-)serif fonts
*
* Read user-defined aliases from wine.conf. Format is as follows
*
* Alias# = [Windows font name],[LFD font name], <substitute original name>
*
* Example:
* Alias0 = Arial, -adobe-helvetica-
* Alias1 = Times New Roman, -bitstream-courier-, 1
* ...
*
* Note that from 081797 and on we have built-in alias templates that take
* care of the necessary Windows typefaces.
*/
typedef struct
{
LPSTR fatResource;
LPSTR fatAlias;
} aliasTemplate;
static void XFONT_LoadAliases(void)
{
char *lpResource;
char buffer[MAX_LFD_LENGTH];
int i = 0;
LFD* lfd;
/* built-ins first */
PROFILE_GetWineIniString( INIFontSection, INIDefaultSerif,
"-bitstream-charter-", buffer, sizeof buffer );
TRACE("Using '%s' as default serif font\n", buffer);
lfd = LFD_Parse(buffer);
/* NB XFONT_InitialCapitals should not change these standard aliases */
if (lfd)
{
XFONT_LoadAlias( lfd, "Tms Roman", FALSE);
XFONT_LoadAlias( lfd, "MS Serif", FALSE);
XFONT_LoadAlias( lfd, "Times New Roman", FALSE);
XFONT_LoadDefaultLFD( lfd, "serif ");
HeapFree(GetProcessHeap(), 0, lfd);
}
PROFILE_GetWineIniString( INIFontSection, INIDefaultSansSerif,
"-adobe-helvetica-", buffer, sizeof buffer);
TRACE("Using '%s' as default sans serif font\n", buffer);
lfd = LFD_Parse(buffer);
if (lfd)
{
XFONT_LoadAlias( lfd, "Helv", FALSE);
XFONT_LoadAlias( lfd, "MS Sans Serif", FALSE);
XFONT_LoadAlias( lfd, "Arial", FALSE);
XFONT_LoadDefaultLFD( lfd, "sans serif ");
HeapFree(GetProcessHeap(), 0, lfd);
}
/* then user specified aliases */
do
{
BOOL bHaveAlias, bSubst;
char subsection[32];
wsnprintfA( subsection, sizeof subsection, "%s%i", INIAliasSection, i++ );
bHaveAlias = PROFILE_GetWineIniString( INIFontSection,
subsection, "", buffer, sizeof buffer);
if (!bHaveAlias)
break;
XFONT_InitialCapitals(buffer);
lpResource = PROFILE_GetStringItem( buffer );
bSubst = (PROFILE_GetStringItem( lpResource )) ? TRUE : FALSE;
if( lpResource && *lpResource )
{
lfd = LFD_Parse(lpResource);
if (lfd)
{
XFONT_LoadAlias(lfd, buffer, bSubst);
HeapFree(GetProcessHeap(), 0, lfd);
}
}
else
WARN("malformed font alias '%s'\n", buffer );
}
while(TRUE);
}
/***********************************************************************
* XFONT_UnAlias
*
* Convert an (potential) alias into a real windows name
*
*/
static LPCSTR XFONT_UnAlias(char* font)
{
if (font[0])
{
fontAlias* fa;
XFONT_InitialCapitals(font); /* to remove extra white space */
for( fa = aliasTable; fa; fa = fa->next )
/* use case insensitive matching to handle eg "MS Sans Serif" */
if( !strcasecmp( fa->faAlias, font ) )
{
TRACE("found alias '%s'->%s'\n", font, fa->faTypeFace );
strcpy(font, fa->faTypeFace);
return fa->faAlias;
break;
}
}
return NULL;
}
/***********************************************************************
* XFONT_RemoveFontResource
*
* Caller should check if the font resource is in use. If it is it should
* set FR_REMOVED flag to delay removal until the resource is not in use
* anymore.
*/
void XFONT_RemoveFontResource( fontResource** ppfr )
{
fontResource* pfr = *ppfr;
#if 0
fontInfo* pfi;
/* FIXME - if fonts were read from a cache, these HeapFrees will fail */
while( pfr->fi )
{
pfi = pfr->fi->next;
HeapFree( GetProcessHeap(), 0, pfr->fi );
pfr->fi = pfi;
}
HeapFree( GetProcessHeap(), 0, pfr );
#endif
*ppfr = pfr->next;
}
/***********************************************************************
* XFONT_LoadIgnores
*
* INIT ONLY
*
* Removes specified fonts from the font table to prevent Wine from
* using it.
*
* Ignore# = [LFD font name]
*
* Example:
* Ignore0 = -misc-nil-
* Ignore1 = -sun-open look glyph-
* ...
*
*/
static void XFONT_LoadIgnore(char* lfdname)
{
fontResource** ppfr;
LFD* lfd = LFD_Parse(lfdname);
if (lfd && lfd->foundry && lfd->family)
{
for( ppfr = &fontList; *ppfr ; ppfr = &((*ppfr)->next))
{
if( XFONT_SameFoundryAndFamily( (*ppfr)->resource, lfd) )
{
TRACE("Ignoring '-%s-%s-'\n",
(*ppfr)->resource->foundry, (*ppfr)->resource->family );
XFONT_RemoveFontResource( ppfr );
break;
}
}
}
else
WARN("Malformed font resource\n");
HeapFree(GetProcessHeap(), 0, lfd);
}
static void XFONT_LoadIgnores(void)
{
int i = 0;
char subsection[32];
char buffer[MAX_LFD_LENGTH];
/* Standard one that noone wants */
strcpy(buffer, "-misc-nil-");
XFONT_LoadIgnore(buffer);
/* Others from INI file */
do
{
wsprintfA( subsection, "%s%i", INIIgnoreSection, i++ );
if( PROFILE_GetWineIniString( INIFontSection,
subsection, "", buffer, sizeof buffer) )
{
char* pch = buffer;
while( *pch && isspace(*pch) ) pch++;
XFONT_LoadIgnore(pch);
}
else
break;
} while(TRUE);
}
/***********************************************************************
* XFONT_UserMetricsCache
*
* Returns expanded name for the cachedmetrics file.
* Now it also appends the current value of the $DISPLAY varaible.
*/
static char* XFONT_UserMetricsCache( char* buffer, int* buf_size )
{
const char *confdir = get_config_dir();
const char *display_name = Options.display;
int len = strlen(confdir) + strlen(INIFontMetrics) + strlen(display_name) + 2;
if ((len > *buf_size) &&
!(buffer = HeapReAlloc( GetProcessHeap(), 0, buffer, *buf_size = len )))
{
ERR("out of memory\n");
ExitProcess(1);
}
sprintf( buffer, "%s/%s%s", confdir, INIFontMetrics, display_name );
return buffer;
}
/***********************************************************************
* X Font Matching
*
* Compare two fonts (only parameters set by the XFONT_InitFontInfo()).
*/
static INT XFONT_IsSubset(const fontInfo* match, const fontInfo* fi)
{
INT m;
/* 0 - keep both, 1 - keep match, -1 - keep fi */
/* Compare dfItalic, Underline, Strikeout, Weight, Charset */
m = (BYTE*)&fi->df.dfPixWidth - (BYTE*)&fi->df.dfItalic;
if( memcmp(&match->df.dfItalic, &fi->df.dfItalic, m )) return 0;
if( (!((fi->fi_flags & FI_SCALABLE) + (match->fi_flags & FI_SCALABLE))
&& fi->lfd_height != match->lfd_height) ||
(!((fi->fi_flags & FI_POLYWEIGHT) + (match->fi_flags & FI_POLYWEIGHT))
&& fi->df.dfWeight != match->df.dfWeight) ) return 0;
m = (int)(match->fi_flags & (FI_POLYWEIGHT | FI_SCALABLE)) -
(int)(fi->fi_flags & (FI_SCALABLE | FI_POLYWEIGHT));
if( m == (FI_POLYWEIGHT - FI_SCALABLE) ||
m == (FI_SCALABLE - FI_POLYWEIGHT) ) return 0; /* keep both */
else if( m >= 0 ) return 1; /* 'match' is better */
return -1; /* 'fi' is better */
}
/***********************************************************************
* XFONT_CheckFIList
*
* REMOVE_SUBSETS - attach new fi and purge subsets
* UNMARK_SUBSETS - remove subset flags from all fi entries
*/
static void XFONT_CheckFIList( fontResource* fr, fontInfo* fi, int action)
{
int i = 0;
fontInfo* pfi, *prev;
for( prev = NULL, pfi = fr->fi; pfi; )
{
if( action == REMOVE_SUBSETS )
{
if( pfi->fi_flags & FI_SUBSET )
{
fontInfo* subset = pfi;
i++;
fr->fi_count--;
if( prev ) prev->next = pfi = pfi->next;
else fr->fi = pfi = pfi->next;
HeapFree( GetProcessHeap(), 0, subset );
continue;
}
}
else pfi->fi_flags &= ~FI_SUBSET;
prev = pfi;
pfi = pfi->next;
}
if( action == REMOVE_SUBSETS ) /* also add the superset */
{
if( fi->fi_flags & FI_SCALABLE )
{
fi->next = fr->fi;
fr->fi = fi;
}
else if( prev ) prev->next = fi; else fr->fi = fi;
fr->fi_count++;
}
if( i ) TRACE("\t purged %i subsets [%i]\n", i , fr->fi_count);
}
/***********************************************************************
* XFONT_FindFIList
*/
static fontResource* XFONT_FindFIList( fontResource* pfr, const char* pTypeFace )
{
while( pfr )
{
if( !strcasecmp( pfr->lfFaceName, pTypeFace ) ) break;
pfr = pfr->next;
}
/* Give the app back the font name it asked for. Encarta checks this. */
if (pfr) strcpy(pfr->lfFaceName,pTypeFace);
return pfr;
}
/***********************************************************************
* XFONT_FixupPointSize
*/
static void XFONT_FixupPointSize(fontInfo* fi)
{
#define df (fi->df)
df.dfHorizRes = df.dfVertRes = fi->lfd_resolution;
df.dfPoints = (INT16)
(((INT)(df.dfPixHeight - df.dfInternalLeading) * 72 + (df.dfVertRes >> 1)) /
df.dfVertRes );
#undef df
}
/***********************************************************************
* XFONT_BuildMetrics
*
* Build font metrics from X font
*/
static int XFONT_BuildMetrics(char** x_pattern, int res, unsigned x_checksum, int x_count)
{
int i;
fontInfo* fi = NULL;
int n_ff = 0;
MESSAGE("Building font metrics. This may take some time...\n");
for( i = 0; i < x_count; i++ )
{
char* typeface;
LFD* lfd;
fontResource* fr, *pfr;
int j;
char buffer[MAX_LFD_LENGTH];
char* lpstr;
XFontStruct* x_fs;
fontInfo* pfi;
typeface = HEAP_strdupA(GetProcessHeap(), 0, x_pattern[i]);
if (!typeface)
break;
lfd = LFD_Parse(typeface);
if (!lfd)
{
HeapFree(GetProcessHeap(), 0, typeface);
continue;
}
/* find a family to insert into */
for( pfr = NULL, fr = fontList; fr; fr = fr->next )
{
if( XFONT_SameFoundryAndFamily(fr->resource, lfd))
break;
pfr = fr;
}
if( !fi ) fi = (fontInfo*) HeapAlloc(GetProcessHeap(), 0, sizeof(fontInfo));
if( !LFD_InitFontInfo( fi, lfd, x_pattern[i]) )
goto nextfont;
if( !fr ) /* add new family */
{
n_ff++;
fr = (fontResource*) HeapAlloc(GetProcessHeap(), 0, sizeof(fontResource));
if (fr)
{
memset(fr, 0, sizeof(fontResource));
fr->resource = (LFD*) HeapAlloc(GetProcessHeap(), 0, sizeof(LFD));
memset(fr->resource, 0, sizeof(LFD));
TRACE("family: -%s-%s-\n", lfd->foundry, lfd->family );
fr->resource->foundry = HEAP_strdupA(GetProcessHeap(), 0, lfd->foundry);
fr->resource->family = HEAP_strdupA(GetProcessHeap(), 0, lfd->family);
fr->resource->weight = "";
if( pfr ) pfr->next = fr;
else fontList = fr;
}
else
WARN("Not enough memory for a new font family\n");
}
/* check if we already have something better than "fi" */
for( pfi = fr->fi, j = 0; pfi && j <= 0; pfi = pfi->next )
if( (j = XFONT_IsSubset( pfi, fi )) < 0 )
pfi->fi_flags |= FI_SUBSET; /* superseded by "fi" */
if( j > 0 ) goto nextfont;
/* add new font instance "fi" to the "fr" font resource */
if( fi->fi_flags & FI_SCALABLE )
{
LFD lfd1;
char pxl_string[4], res_string[4];
/* set scalable font height to get an basis for extrapolation */
fi->lfd_height = DEF_SCALABLE_HEIGHT;
fi->lfd_resolution = res;
sprintf(pxl_string, "%d", fi->lfd_height);
sprintf(res_string, "%d", fi->lfd_resolution);
lfd1 = *lfd;
lfd1.pixel_size = pxl_string;
lfd1.point_size = "*";
lfd1.resolution_x = res_string;
lfd1.resolution_y = res_string;
LFD_UnParse(buffer, sizeof buffer, &lfd1);
lpstr = buffer;
}
else lpstr = x_pattern[i];
if( (x_fs = TSXLoadQueryFont(display, lpstr)) )
{
XFONT_SetFontMetric( fi, fr, x_fs );
TSXFreeFont( display, x_fs );
XFONT_FixupPointSize(fi);
TRACE("\t[% 2ipt] '%s'\n", fi->df.dfPoints, x_pattern[i] );
XFONT_CheckFIList( fr, fi, REMOVE_SUBSETS );
fi = NULL; /* preventing reuse */
}
else
{
ERR("failed to load %s\n", lpstr );
XFONT_CheckFIList( fr, fi, UNMARK_SUBSETS );
}
nextfont:
HeapFree(GetProcessHeap(), 0, lfd);
HeapFree(GetProcessHeap(), 0, typeface);
}
if( fi ) HeapFree(GetProcessHeap(), 0, fi);
return n_ff;
}
/***********************************************************************
* XFONT_ReadCachedMetrics
*
* INIT ONLY
*/
static BOOL XFONT_ReadCachedMetrics( int fd, int res, unsigned x_checksum, int x_count )
{
if( fd >= 0 )
{
unsigned u;
int i, j;
/* read checksums */
read( fd, &u, sizeof(unsigned) );
read( fd, &i, sizeof(int) );
if( u == x_checksum && i == x_count )
{
off_t length, offset = 3 * sizeof(int);
/* read total size */
read( fd, &i, sizeof(int) );
length = lseek( fd, 0, SEEK_END );
if( length == (i + offset) )
{
lseek( fd, offset, SEEK_SET );
fontList = (fontResource*)HeapAlloc( GetProcessHeap(), 0, i);
if( fontList )
{
fontResource* pfr = fontList;
fontInfo* pfi = NULL;
TRACE("Reading cached font metrics:\n");
read( fd, fontList, i); /* read all metrics at once */
while( offset < length )
{
offset += sizeof(fontResource) + sizeof(fontInfo);
pfr->fi = pfi = (fontInfo*)(pfr + 1);
j = 1;
while( TRUE )
{
if( offset > length ||
(int)(pfi->next) != j++ ) goto fail;
pfi->df.dfFace = pfr->lfFaceName;
if( pfi->fi_flags & FI_SCALABLE )
{
/* we can pretend we got this font for any resolution */
pfi->lfd_resolution = res;
XFONT_FixupPointSize(pfi);
}
pfi->next = pfi + 1;
if( j > pfr->fi_count ) break;
pfi = pfi->next;
offset += sizeof(fontInfo);
}
pfi->next = NULL;
if( pfr->next )
{
pfr->next = (fontResource*)(pfi + 1);
pfr = pfr->next;
}
else break;
}
if( pfr->next == NULL &&
*(int*)(pfi + 1) == X_FMC_MAGIC )
{
/* read LFD stubs */
char* lpch = (char*)((int*)(pfi + 1) + 1);
offset += sizeof(int);
for( pfr = fontList; pfr; pfr = pfr->next )
{
size_t len = strlen(lpch) + 1;
TRACE("\t%s, %i instances\n", lpch, pfr->fi_count );
pfr->resource = LFD_Parse(lpch);
lpch += len;
offset += len;
if (offset > length)
goto fail;
}
close( fd );
return TRUE;
}
}
}
}
fail:
if( fontList ) HeapFree( GetProcessHeap(), 0, fontList );
fontList = NULL;
close( fd );
}
return FALSE;
}
/***********************************************************************
* XFONT_WriteCachedMetrics
*
* INIT ONLY
*/
static BOOL XFONT_WriteCachedMetrics( int fd, unsigned x_checksum, int x_count, int n_ff )
{
fontResource* pfr;
fontInfo* pfi;
if( fd >= 0 )
{
int i, j, k;
char buffer[MAX_LFD_LENGTH];
/* font metrics file:
*
* +0000 x_checksum
* +0004 x_count
* +0008 total size to load
* +000C prepackaged font metrics
* ...
* +...x X_FMC_MAGIC
* +...x + 4 LFD stubs
*/
write( fd, &x_checksum, sizeof(unsigned) );
write( fd, &x_count, sizeof(int) );
for( j = i = 0, pfr = fontList; pfr; pfr = pfr->next )
{
LFD_UnParse(buffer, sizeof buffer, pfr->resource);
i += strlen( buffer) + 1;
j += pfr->fi_count;
}
i += n_ff * sizeof(fontResource) + j * sizeof(fontInfo) + sizeof(int);
write( fd, &i, sizeof(int) );
TRACE("Writing font cache:\n");
for( pfr = fontList; pfr; pfr = pfr->next )
{
fontInfo fi;
TRACE("\t-%s-%s-, %i instances\n", pfr->resource->foundry, pfr->resource->family, pfr->fi_count );
i = write( fd, pfr, sizeof(fontResource) );
if( i == sizeof(fontResource) )
{
for( k = 1, pfi = pfr->fi; pfi; pfi = pfi->next )
{
fi = *pfi;
fi.df.dfFace = NULL;
fi.next = (fontInfo*)k; /* loader checks this */
j = write( fd, &fi, sizeof(fi) );
k++;
}
if( j == sizeof(fontInfo) ) continue;
}
break;
}
if( i == sizeof(fontResource) && j == sizeof(fontInfo) )
{
i = j = X_FMC_MAGIC;
write( fd, &i, sizeof(int) );
for( pfr = fontList; pfr && i == j; pfr = pfr->next )
{
LFD_UnParse(buffer, sizeof buffer, pfr->resource);
i = strlen( buffer ) + 1;
j = write( fd, buffer, i );
}
}
close( fd );
return ( i == j );
}
return FALSE;
}
/***********************************************************************
* XFONT_GetPointResolution()
*
* INIT ONLY
*
* Here we initialize DefResolution which is used in the
* XFONT_Match() penalty function. We also load the point
* resolution value (higher values result in larger fonts).
*/
static int XFONT_GetPointResolution( DeviceCaps* pDevCaps )
{
int i, j, point_resolution, num = 3;
int allowed_xfont_resolutions[3] = { 72, 75, 100 };
int best = 0, best_diff = 65536;
point_resolution = PROFILE_GetWineIniInt( INIFontSection, INIResolution, 0 );
if( !point_resolution )
point_resolution = pDevCaps->logPixelsY;
else
pDevCaps->logPixelsX = pDevCaps->logPixelsY = point_resolution;
/* FIXME We can only really guess at a best DefResolution
* - this should be configurable
*/
for( i = best = 0; i < num; i++ )
{
j = abs( point_resolution - allowed_xfont_resolutions[i] );
if( j < best_diff )
{
best = i;
best_diff = j;
}
}
DefResolution = allowed_xfont_resolutions[best];
/* FIXME - do win95,nt40,... do this as well ? */
if (TWEAK_WineLook == WIN98_LOOK)
{
/* Lie about the screen size, so that eg MM_LOMETRIC becomes MM_logical_LOMETRIC */
int denom;
denom = pDevCaps->logPixelsX * 10;
pDevCaps->horzSize = (pDevCaps->horzRes * 254 + (denom>>1)) / denom;
denom = pDevCaps->logPixelsY * 10;
pDevCaps->vertSize = (pDevCaps->vertRes * 254 + (denom>>1)) / denom;
}
return point_resolution;
}
/***********************************************************************
* XFONT_Match
*
* Compute the matching score between the logical font and the device font.
*
* contributions from highest to lowest:
* charset
* fixed pitch
* height
* family flags (only when the facename is not present)
* width
* weight, italics, underlines, strikeouts
*
* NOTE: you can experiment with different penalty weights to see what happens.
* http://premium.microsoft.com/msdn/library/techart/f365/f36b/f37b/d38b/sa8bf.htm
*/
static UINT XFONT_Match( fontMatch* pfm )
{
fontInfo* pfi = pfm->pfi; /* device font to match */
LPLOGFONT16 plf = pfm->plf; /* wanted logical font */
UINT penalty = 0;
BOOL bR6 = pfm->flags & FO_MATCH_XYINDEP; /* from TextCaps */
BOOL bScale = pfi->fi_flags & FI_SCALABLE;
int d = 0, height;
TRACE("\t[ %-2ipt h=%-3i w=%-3i %s%s]\n", pfi->df.dfPoints,
pfi->df.dfPixHeight, pfi->df.dfAvgWidth,
(pfi->df.dfWeight > FW_NORMAL) ? "Bold " : "Normal ",
(pfi->df.dfItalic) ? "Italic" : "" );
pfm->flags &= FO_MATCH_MASK;
/* Charset */
if( plf->lfCharSet == DEFAULT_CHARSET )
{
if( (pfi->df.dfCharSet != ANSI_CHARSET) && (pfi->df.dfCharSet != DEFAULT_CHARSET) )
penalty += 0x200;
}
else if (plf->lfCharSet != pfi->df.dfCharSet) penalty += 0x200;
/* Height */
height = -1;
{
if( plf->lfHeight > 0 )
{
int h = pfi->df.dfPixHeight;
d = h - plf->lfHeight;
height = plf->lfHeight;
}
else
{
int h = pfi->df.dfPixHeight - pfi->df.dfInternalLeading;
if (h)
{
d = h + plf->lfHeight;
height = (-plf->lfHeight * pfi->df.dfPixHeight) / h;
}
else
{
ERR("PixHeight == InternalLeading\n");
penalty += 0x1000; /* dont want this */
}
}
}
if( height == 0 )
pfm->height = 1; /* Very small */
else if( d )
{
if( bScale )
pfm->height = height;
else if( (plf->lfQuality != PROOF_QUALITY) && bR6 )
{
if( d > 0 ) /* do not shrink raster fonts */
{
pfm->height = pfi->df.dfPixHeight;
penalty += (pfi->df.dfPixHeight - height) * 0x4;
}
else /* expand only in integer multiples */
{
pfm->height = height - height%pfi->df.dfPixHeight;
penalty += (height - pfm->height + 1) * height / pfi->df.dfPixHeight;
}
}
else /* can't be scaled at all */
{
if( plf->lfQuality != PROOF_QUALITY) pfm->flags |= FO_SYNTH_HEIGHT;
pfm->height = pfi->df.dfPixHeight;
penalty += (d > 0)? d * 0x8 : -d * 0x10;
}
}
else
pfm->height = pfi->df.dfPixHeight;
/* Pitch and Family */
if( pfm->flags & FO_MATCH_PAF ) {
int family = plf->lfPitchAndFamily & FF_FAMILY;
/* TMPF_FIXED_PITCH means exactly the opposite */
if( plf->lfPitchAndFamily & FIXED_PITCH ) {
if( pfi->df.dfPitchAndFamily & TMPF_FIXED_PITCH ) penalty += 0x100;
} else /* Variable is the default */
if( !(pfi->df.dfPitchAndFamily & TMPF_FIXED_PITCH) ) penalty += 0x2;
if (family != FF_DONTCARE && family != (pfi->df.dfPitchAndFamily & FF_FAMILY) )
penalty += 0x10;
}
/* Width */
if( plf->lfWidth )
{
int h;
if( bR6 || bScale ) h = 0;
else
{
/* FIXME: not complete */
pfm->flags |= FO_SYNTH_WIDTH;
h = abs(plf->lfWidth - (pfm->height * pfi->df.dfAvgWidth)/pfi->df.dfPixHeight);
}
penalty += h * ( d ) ? 0x2 : 0x1 ;
}
else if( !(pfi->fi_flags & FI_NORMAL) ) penalty++;
/* Weight */
if( plf->lfWeight != FW_DONTCARE )
{
penalty += abs(plf->lfWeight - pfi->df.dfWeight) / 40;
if( plf->lfWeight > pfi->df.dfWeight ) pfm->flags |= FO_SYNTH_BOLD;
} else if( pfi->df.dfWeight >= FW_BOLD ) penalty++; /* choose normal by default */
/* Italic */
if( plf->lfItalic != pfi->df.dfItalic )
{
penalty += 0x4;
pfm->flags |= FO_SYNTH_ITALIC;
}
/* Underline */
if( plf->lfUnderline ) pfm->flags |= FO_SYNTH_UNDERLINE;
/* Strikeout */
if( plf->lfStrikeOut ) pfm->flags |= FO_SYNTH_STRIKEOUT;
if( penalty && !bScale && pfi->lfd_resolution != DefResolution )
penalty++;
TRACE(" returning %i\n", penalty );
return penalty;
}
/***********************************************************************
* XFONT_MatchFIList
*
* Scan a particular font resource for the best match.
*/
static UINT XFONT_MatchFIList( fontMatch* pfm )
{
BOOL skipRaster = (pfm->flags & FO_MATCH_NORASTER);
UINT current_score, score = (UINT)(-1);
fontMatch fm = *pfm;
for( fm.pfi = pfm->pfr->fi; fm.pfi && score; fm.pfi = fm.pfi->next)
{
if( skipRaster && !(fm.pfi->fi_flags & FI_SCALABLE) )
continue;
current_score = XFONT_Match( &fm );
if( score > current_score )
{
*pfm = fm;
score = current_score;
}
}
return score;
}
/***********************************************************************
* XFONT_MatchDeviceFont
*
* Scan font resource tree.
*
*/
static void XFONT_MatchDeviceFont( fontResource* start, fontMatch* pfm)
{
fontMatch fm = *pfm;
UINT current_score, score = (UINT)(-1);
fontResource** ppfr;
TRACE("(%u) '%s' h=%i weight=%i %s\n",
pfm->plf->lfCharSet, pfm->plf->lfFaceName, pfm->plf->lfHeight,
pfm->plf->lfWeight, (pfm->plf->lfItalic) ? "Italic" : "" );
pfm->pfi = NULL;
if( fm.plf->lfFaceName[0] )
{
fm.pfr = XFONT_FindFIList( start, fm.plf->lfFaceName);
if( fm.pfr ) /* match family */
{
TRACE("found facename '%s'\n", fm.pfr->lfFaceName );
if( fm.pfr->fr_flags & FR_REMOVED )
fm.pfr = 0;
else
{
XFONT_MatchFIList( &fm );
*pfm = fm;
if (pfm->pfi)
return;
}
}
}
/* match all available fonts */
fm.flags |= FO_MATCH_PAF;
for( ppfr = &fontList; *ppfr && score; ppfr = &(*ppfr)->next )
{
if( (*ppfr)->fr_flags & FR_REMOVED )
{
if( (*ppfr)->fo_count == 0 )
XFONT_RemoveFontResource( ppfr );
continue;
}
fm.pfr = *ppfr;
TRACE("%s\n", fm.pfr->lfFaceName );
current_score = XFONT_MatchFIList( &fm );
if( current_score < score )
{
score = current_score;
*pfm = fm;
}
}
}
/***********************************************************************
* X Font Cache
*/
static void XFONT_GrowFreeList(int start, int end)
{
/* add all entries from 'start' up to and including 'end' */
memset( fontCache + start, 0, (end - start + 1) * sizeof(fontObject) );
fontCache[end].lru = fontLF;
fontCache[end].count = -1;
fontLF = start;
while( start < end )
{
fontCache[start].count = -1;
fontCache[start].lru = start + 1;
start++;
}
}
static fontObject* XFONT_LookupCachedFont( const LPLOGFONT16 plf, UINT16* checksum )
{
UINT16 cs = __lfCheckSum( plf );
int i = fontMRU, prev = -1;
*checksum = cs;
while( i >= 0 )
{
if( fontCache[i].lfchecksum == cs &&
!(fontCache[i].fo_flags & FO_REMOVED) )
{
/* FIXME: something more intelligent here ? */
if( !memcmp( plf, &fontCache[i].lf,
sizeof(LOGFONT16) - LF_FACESIZE ) &&
!strcmp( plf->lfFaceName, fontCache[i].lf.lfFaceName) )
{
/* remove temporarily from the lru list */
if( prev >= 0 )
fontCache[prev].lru = fontCache[i].lru;
else
fontMRU = (INT16)fontCache[i].lru;
return (fontCache + i);
}
}
prev = i;
i = (INT16)fontCache[i].lru;
}
return NULL;
}
static fontObject* XFONT_GetCacheEntry(void)
{
int i;
if( fontLF == -1 )
{
int prev_i, prev_j, j;
TRACE("font cache is full\n");
/* lookup the least recently used font */
for( prev_i = prev_j = j = -1, i = fontMRU; i >= 0; i = (INT16)fontCache[i].lru )
{
if( fontCache[i].count <= 0 &&
!(fontCache[i].fo_flags & FO_SYSTEM) )
{
prev_j = prev_i;
j = i;
}
prev_i = i;
}
if( j >= 0 ) /* unload font */
{
/* detach from the lru list */
TRACE("\tfreeing entry %i\n", j );
fontCache[j].fr->fo_count--;
if( prev_j >= 0 )
fontCache[prev_j].lru = fontCache[j].lru;
else fontMRU = (INT16)fontCache[j].lru;
/* FIXME: lpXForm, lpPixmap */
if(fontCache[j].lpX11Trans)
HeapFree( GetProcessHeap(), 0, fontCache[j].lpX11Trans );
TSXFreeFont( display, fontCache[j].fs );
memset( fontCache + j, 0, sizeof(fontObject) );
return (fontCache + j);
}
else /* expand cache */
{
fontObject* newCache;
prev_i = fontCacheSize + FONTCACHE;
TRACE("\tgrowing font cache from %i to %i\n", fontCacheSize, prev_i );
if( (newCache = (fontObject*)HeapReAlloc(GetProcessHeap(), 0,
fontCache, prev_i)) )
{
i = fontCacheSize;
fontCacheSize = prev_i;
fontCache = newCache;
XFONT_GrowFreeList( i, fontCacheSize - 1);
}
else return NULL;
}
}
/* detach from the free list */
i = fontLF;
fontLF = (INT16)fontCache[i].lru;
fontCache[i].count = 0;
return (fontCache + i);
}
static int XFONT_ReleaseCacheEntry(const fontObject* pfo)
{
UINT u = (UINT)(pfo - fontCache);
if( u < fontCacheSize ) return (--fontCache[u].count);
return -1;
}
/***********************************************************************
* X11DRV_FONT_Init
*
* Initialize font resource list and allocate font cache.
*/
BOOL X11DRV_FONT_Init( DeviceCaps* pDevCaps )
{
char** x_pattern;
unsigned x_checksum;
int i,res, x_count, fd, buf_size;
char *buffer;
res = XFONT_GetPointResolution( pDevCaps );
x_pattern = TSXListFonts(display, "*", MAX_FONTS, &x_count );
TRACE("Font Mapper: initializing %i fonts [logical dpi=%i, default dpi=%i]\n",
x_count, res, DefResolution);
if (x_count == MAX_FONTS)
MESSAGE("There may be more fonts available - try increasing the value of MAX_FONTS\n");
for( i = x_checksum = 0; i < x_count; i++ )
{
int j;
#if 0
printf("%i\t: %s\n", i, x_pattern[i] );
#endif
j = strlen( x_pattern[i] );
if( j ) x_checksum ^= __genericCheckSum( x_pattern[i], j );
}
x_checksum |= X_PFONT_MAGIC;
buf_size = 128;
buffer = HeapAlloc( GetProcessHeap(), 0, buf_size );
/* deal with systemwide font metrics cache */
if( PROFILE_GetWineIniString( INIFontSection, INIGlobalMetrics, "", buffer, buf_size ) )
{
fd = open( buffer, O_RDONLY );
XFONT_ReadCachedMetrics(fd, DefResolution, x_checksum, x_count);
}
if (fontList == NULL)
{
/* try per-user */
buffer = XFONT_UserMetricsCache( buffer, &buf_size );
if( buffer[0] )
{
fd = open( buffer, O_RDONLY );
XFONT_ReadCachedMetrics(fd, DefResolution, x_checksum, x_count);
}
}
if( fontList == NULL ) /* build metrics from scratch */
{
int n_ff = XFONT_BuildMetrics(x_pattern, DefResolution, x_checksum, x_count);
if( buffer[0] ) /* update cached metrics */
{
fd = open( buffer, O_CREAT | O_TRUNC | O_RDWR, 0644 ); /* -rw-r--r-- */
if( XFONT_WriteCachedMetrics( fd, x_checksum, x_count, n_ff ) == FALSE )
{
WARN("Unable to write to fontcache '%s'\n", buffer);
if( fd >= 0) remove( buffer ); /* couldn't write entire file */
}
}
}
TSXFreeFontNames(x_pattern);
/* check if we're dealing with X11 R6 server */
{
XFontStruct* x_fs;
strcpy(buffer, "-*-*-*-*-normal-*-[12 0 0 12]-*-72-*-*-*-iso8859-1");
if( (x_fs = TSXLoadQueryFont(display, buffer)) )
{
XTextCaps |= TC_SF_X_YINDEP;
TSXFreeFont(display, x_fs);
}
}
HeapFree(GetProcessHeap(), 0, buffer);
XFONT_WindowsNames();
XFONT_LoadAliases();
XFONT_LoadDefaults();
XFONT_LoadIgnores();
/* fontList initialization is over, allocate X font cache */
fontCache = (fontObject*) HeapAlloc(GetProcessHeap(), 0, fontCacheSize * sizeof(fontObject));
XFONT_GrowFreeList(0, fontCacheSize - 1);
TRACE("done!\n");
/* update text caps parameter */
pDevCaps->textCaps = XTextCaps;
RAW_ASCENT = TSXInternAtom(display, "RAW_ASCENT", TRUE);
RAW_DESCENT = TSXInternAtom(display, "RAW_DESCENT", TRUE);
return TRUE;
}
/**********************************************************************
* XFONT_SetX11Trans
*/
static BOOL XFONT_SetX11Trans( fontObject *pfo )
{
char *fontName;
Atom nameAtom;
LFD* lfd;
TSXGetFontProperty( pfo->fs, XA_FONT, &nameAtom );
fontName = TSXGetAtomName( display, nameAtom );
lfd = LFD_Parse(fontName);
if (!lfd)
{
TSXFree(fontName);
return FALSE;
}
if (lfd->pixel_size[0] != '[') {
HeapFree(GetProcessHeap(), 0, lfd);
TSXFree(fontName);
return FALSE;
}
#define PX pfo->lpX11Trans
sscanf(lfd->pixel_size, "[%f%f%f%f]", &PX->a, &PX->b, &PX->c, &PX->d);
TSXFree(fontName);
HeapFree(GetProcessHeap(), 0, lfd);
TSXGetFontProperty( pfo->fs, RAW_ASCENT, &PX->RAW_ASCENT );
TSXGetFontProperty( pfo->fs, RAW_DESCENT, &PX->RAW_DESCENT );
PX->pixelsize = hypot(PX->a, PX->b);
PX->ascent = PX->pixelsize / 1000.0 * PX->RAW_ASCENT;
PX->descent = PX->pixelsize / 1000.0 * PX->RAW_DESCENT;
TRACE("[%f %f %f %f] RA = %ld RD = %ld\n",
PX->a, PX->b, PX->c, PX->d,
PX->RAW_ASCENT, PX->RAW_DESCENT);
#undef PX
return TRUE;
}
/***********************************************************************
* X Device Font Objects
*/
static X_PHYSFONT XFONT_RealizeFont( const LPLOGFONT16 plf, LPCSTR* faceMatched)
{
UINT16 checksum;
INT index = 0;
fontObject* pfo;
pfo = XFONT_LookupCachedFont( plf, &checksum );
if( !pfo )
{
fontMatch fm;
INT i;
fm.pfr = NULL;
fm.pfi = NULL;
fm.height = 0;
fm.flags = 0;
fm.plf = plf;
if( XTextCaps & TC_SF_X_YINDEP ) fm.flags = FO_MATCH_XYINDEP;
/* allocate new font cache entry */
if( (pfo = XFONT_GetCacheEntry()) )
{
/* initialize entry and load font */
char lpLFD[MAX_LFD_LENGTH];
UINT uRelaxLevel = 0;
if(abs(plf->lfHeight) > MAX_FONT_SIZE) {
ERR(
"plf->lfHeight = %d, Creating a 100 pixel font and rescaling metrics \n",
plf->lfHeight);
pfo->rescale = fabs(plf->lfHeight / 100.0);
if(plf->lfHeight > 0) plf->lfHeight = 100;
else plf->lfHeight = -100;
} else
pfo->rescale = 1.0;
XFONT_MatchDeviceFont( fontList, &fm );
pfo->fr = fm.pfr;
pfo->fi = fm.pfi;
pfo->fr->fo_count++;
pfo->fo_flags = fm.flags & ~FO_MATCH_MASK;
pfo->lf = *plf;
pfo->lfchecksum = checksum;
do
{
LFD_ComposeLFD( pfo, fm.height, lpLFD, uRelaxLevel++ );
if( (pfo->fs = TSXLoadQueryFont( display, lpLFD )) ) break;
} while( uRelaxLevel );
if(pfo->lf.lfEscapement != 0) {
pfo->lpX11Trans = HeapAlloc(GetProcessHeap(), 0, sizeof(XFONTTRANS));
if(!XFONT_SetX11Trans( pfo )) {
HeapFree(GetProcessHeap(), 0, pfo->lpX11Trans);
pfo->lpX11Trans = NULL;
}
}
XFONT_GetLeading( &pfo->fi->df, pfo->fs,
&pfo->foInternalLeading, NULL, pfo->lpX11Trans );
pfo->foAvgCharWidth = (INT16)XFONT_GetAvgCharWidth(&pfo->fi->df, pfo->fs, pfo->lpX11Trans );
pfo->foMaxCharWidth = (INT16)XFONT_GetMaxCharWidth(pfo->fs, pfo->lpX11Trans);
/* FIXME: If we've got a soft font or
* there are FO_SYNTH_... flags for the
* non PROOF_QUALITY request, the engine
* should rasterize characters into mono
* pixmaps and store them in the pfo->lpPixmap
* array (pfo->fs should be updated as well).
* array (pfo->fs should be updated as well).
* X11DRV_ExtTextOut() must be heavily modified
* to support pixmap blitting and FO_SYNTH_...
* styles.
*/
pfo->lpPixmap = NULL;
}
if( !pfo ) /* couldn't get a new entry, get one of the cached fonts */
{
UINT current_score, score = (UINT)(-1);
i = index = fontMRU;
fm.flags |= FO_MATCH_PAF;
do
{
pfo = fontCache + i;
fm.pfr = pfo->fr; fm.pfi = pfo->fi;
current_score = XFONT_Match( &fm );
if( current_score < score ) index = i;
i = pfo->lru;
} while( i >= 0 );
pfo = fontCache + index;
goto END;
}
}
/* attach at the head of the lru list */
pfo->lru = fontMRU;
index = fontMRU = (pfo - fontCache);
END:
pfo->count++;
TRACE("physfont %i\n", index);
*faceMatched = pfo->fi->df.dfFace;
return (X_PHYSFONT)(X_PFONT_MAGIC | index);
}
/***********************************************************************
* XFONT_GetFontObject
*/
fontObject* XFONT_GetFontObject( X_PHYSFONT pFont )
{
if( CHECK_PFONT(pFont) ) return __PFONT(pFont);
return NULL;
}
/***********************************************************************
* XFONT_GetFontStruct
*/
XFontStruct* XFONT_GetFontStruct( X_PHYSFONT pFont )
{
if( CHECK_PFONT(pFont) ) return __PFONT(pFont)->fs;
return NULL;
}
/***********************************************************************
* XFONT_GetFontInfo
*/
LPIFONTINFO16 XFONT_GetFontInfo( X_PHYSFONT pFont )
{
if( CHECK_PFONT(pFont) ) return &(__PFONT(pFont)->fi->df);
return NULL;
}
/* X11DRV Interface ****************************************************
* *
* Exposed via the dc->funcs dispatch table. *
* *
***********************************************************************/
/***********************************************************************
* X11DRV_FONT_SelectObject
*/
HFONT X11DRV_FONT_SelectObject( DC* dc, HFONT hfont, FONTOBJ* font )
{
HFONT hPrevFont = 0;
LOGFONT16 lf;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
EnterCriticalSection( &crtsc_fonts_X11 );
if( CHECK_PFONT(physDev->font) )
XFONT_ReleaseCacheEntry( __PFONT(physDev->font) );
lf = font->logfont;
/* Make sure we don't change the sign when converting to device coords */
/* FIXME - check that the other drivers do this correctly */
if (lf.lfWidth)
{
int vpt = abs(dc->vportExtX);
int wnd = abs(dc->wndExtX);
lf.lfWidth = (abs(lf.lfWidth) * vpt + (wnd>>1))/wnd;
if (lf.lfWidth == 0)
lf.lfWidth = 1; /* Minimum width */
}
if (lf.lfHeight)
{
int vpt = abs(dc->vportExtY);
int wnd = abs(dc->wndExtY);
if (lf.lfHeight > 0)
lf.lfHeight = (lf.lfHeight * vpt + (wnd>>1))/wnd;
else
lf.lfHeight = (lf.lfHeight * vpt - (wnd>>1))/wnd;
if (lf.lfHeight == 0)
lf.lfHeight = MIN_FONT_SIZE;
}
else
lf.lfHeight = -(DEF_POINT_SIZE * dc->w.devCaps->logPixelsY + (72>>1)) / 72;
{
/* Fixup aliases before passing to RealizeFont */
/* alias = Windows name in the alias table */
LPCSTR alias = XFONT_UnAlias( lf.lfFaceName );
LPCSTR faceMatched;
TRACE("hfont=%04x\n", hfont); /* to connect with the trace from RealizeFont */
physDev->font = XFONT_RealizeFont( &lf, &faceMatched );
/* set face to the requested facename if it matched
* so that GetTextFace can get the correct face name
*/
if (alias && !strcmp(faceMatched, lf.lfFaceName))
strcpy( font->logfont.lfFaceName, alias );
else
strcpy( font->logfont.lfFaceName, faceMatched );
}
hPrevFont = dc->w.hFont;
dc->w.hFont = hfont;
LeaveCriticalSection( &crtsc_fonts_X11 );
return hPrevFont;
}
/***********************************************************************
*
* X11DRV_EnumDeviceFonts
*/
BOOL X11DRV_EnumDeviceFonts( DC* dc, LPLOGFONT16 plf,
DEVICEFONTENUMPROC proc, LPARAM lp )
{
ENUMLOGFONTEX16 lf;
NEWTEXTMETRIC16 tm;
fontResource* pfr = fontList;
BOOL b, bRet = 0;
if( plf->lfFaceName[0] )
{
/* enum all entries in this resource */
pfr = XFONT_FindFIList( pfr, plf->lfFaceName );
if( pfr )
{
fontInfo* pfi;
for( pfi = pfr->fi; pfi; pfi = pfi->next )
{
/* Note: XFONT_GetFontMetric() will have to
release the crit section, font list will
have to be retraversed on return */
if( (b = (*proc)( &lf, &tm,
XFONT_GetFontMetric( pfi, &lf, &tm ), lp )) )
bRet = b;
else break;
}
}
}
else /* enum first entry in each resource */
for( ; pfr ; pfr = pfr->next )
{
if(pfr->fi)
{
if( (b = (*proc)( &lf, &tm,
XFONT_GetFontMetric( pfr->fi, &lf, &tm ), lp )) )
bRet = b;
else break;
}
}
return bRet;
}
/***********************************************************************
* X11DRV_GetTextMetrics
*/
BOOL X11DRV_GetTextMetrics(DC *dc, TEXTMETRICA *metrics)
{
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
if( CHECK_PFONT(physDev->font) )
{
fontObject* pfo = __PFONT(physDev->font);
XFONT_GetTextMetrics( pfo, metrics );
return TRUE;
}
return FALSE;
}
/***********************************************************************
* X11DRV_GetCharWidth
*/
BOOL X11DRV_GetCharWidth( DC *dc, UINT firstChar, UINT lastChar,
LPINT buffer )
{
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
fontObject* pfo = XFONT_GetFontObject( physDev->font );
if( pfo )
{
int i;
if (pfo->fs->per_char == NULL)
for (i = firstChar; i <= lastChar; i++)
if(pfo->lpX11Trans)
*buffer++ = pfo->fs->min_bounds.attributes *
pfo->lpX11Trans->pixelsize / 1000.0 * pfo->rescale;
else
*buffer++ = pfo->fs->min_bounds.width * pfo->rescale;
else
{
XCharStruct *cs, *def;
static XCharStruct __null_char = { 0, 0, 0, 0, 0, 0 };
CI_GET_CHAR_INFO(pfo->fs, pfo->fs->default_char, &__null_char,
def);
for (i = firstChar; i <= lastChar; i++)
{
if (i >= pfo->fs->min_char_or_byte2 &&
i <= pfo->fs->max_char_or_byte2)
{
cs = &pfo->fs->per_char[(i - pfo->fs->min_char_or_byte2)];
if (CI_NONEXISTCHAR(cs)) cs = def;
} else cs = def;
if(pfo->lpX11Trans)
*buffer++ = max(cs->attributes, 0) *
pfo->lpX11Trans->pixelsize / 1000.0 * pfo->rescale;
else
*buffer++ = max(cs->width, 0 ) * pfo->rescale;
}
}
return TRUE;
}
return FALSE;
}
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