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goma / wine / a845b88ead6db51bc9e41c6bcbbd098863c5bf1b / . / graphics / x11drv / xfont.c
blob: 2378ec3ac4b0a2c74e3f876183137e419bfb5c71 [file] [log] [blame]
/*
* 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 <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pwd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "ts_xlib.h"
#include <X11/Xatom.h>
#include <math.h>
#include <assert.h>
#include "heap.h"
#include "options.h"
#include "x11font.h"
#include "font.h"
#include "debug.h"
#define X_PFONT_MAGIC (0xFADE0000)
#define X_FMC_MAGIC (0x0000CAFE)
#define MAX_FONT_FAMILIES 64
#define MAX_LFD_LENGTH 256
#define REMOVE_SUBSETS 1
#define UNMARK_SUBSETS 0
#define DEF_SCALABLE_HEIGHT 24
#define DEF_SCALABLE_DP 240
#define FF_FAMILY (FF_MODERN | FF_SWISS | FF_ROMAN | FF_DECORATIVE | FF_SCRIPT)
typedef struct __fontAlias
{
LPSTR faTypeFace;
LPSTR faAlias;
struct __fontAlias* next;
} fontAlias;
typedef struct
{
LPSTR fatResource;
LPSTR fatAlias;
} aliasTemplate;
/* Font alias table - these 2 aliases are always present */
static fontAlias __aliasTable[2] = {
{ "Helvetica", "Helv", &__aliasTable[1] },
{ "Times", "Tms Rmn", NULL }
};
static fontAlias *aliasTable = __aliasTable;
/* Optional built-in aliases, they are installed only when X
* cannot supply us with original MS fonts */
static int faTemplateNum = 4;
static aliasTemplate faTemplate[4] = {
{ "-adobe-helvetica-", "MS Sans Serif" },
{ "-bitstream-charter-", "MS Serif" },
{ "-adobe-times-", "Times New Roman" },
{ "-adobe-helvetica-", "Arial" }
};
/* Charset translation table, cp125-.. encoded fonts are produced by
* the fnt2bdf */
static int numCPTranslation = 8;
static BYTE CPTranslation[] = { EE_CHARSET, /* cp125-0 */
RUSSIAN_CHARSET, /* cp125-1 */
ANSI_CHARSET, /* cp125-2 */
GREEK_CHARSET, /* cp125-3 */
TURKISH_CHARSET, /* cp125-4 */
HEBREW_CHARSET, /* cp125-5 */
ARABIC_CHARSET, /* cp125-6 */
BALTIC_CHARSET /* cp125-7 */
};
UINT16 XTextCaps = TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
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* INIWinePrefix = "/.wine";
static const char* INIFontMetrics = "/.cachedmetrics";
static const char* INIFontSection = "fonts";
static const char* INISubSection = "Alias";
static const char* INIDefault = "Default";
static const char* INIDefaultFixed = "DefaultFixed";
static const char* INIResolution = "Resolution";
static const char* INIGlobalMetrics = "FontMetrics";
static const char* LFDSeparator = "*-";
static const char* localMSEncoding = "cp125-";
static const char* iso8859Encoding = "iso8859-";
static const char* iso646Encoding = "iso646.1991-";
static const char* ansiEncoding = "ansi-";
static unsigned DefResolution = 0;
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 + ((UINT32)(pFont) & 0x0000FFFF) )
#define CHECK_PFONT(pFont) ( (((UINT32)(pFont) & 0xFFFF0000) == X_PFONT_MAGIC) &&\
(((UINT32)(pFont) & 0x0000FFFF) < fontCacheSize) )
static INT32 XFONT_IsSubset(fontInfo*, fontInfo*);
static void XFONT_CheckFIList(fontResource*, fontInfo*, int subset_action);
static void XFONT_GrowFreeList(int start, int end);
/***********************************************************************
* 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 (*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
*/
static char* LFD_Advance(LPSTR lpFont, UINT16 uParmsNo)
{
int j = 0;
char* lpch = lpFont;
for( ; j < uParmsNo && *lpch; lpch++ ) if( *lpch == LFDSeparator[1] ) j++;
return lpch;
}
static void LFD_GetWeight( fontInfo* fi, LPSTR lpStr, int j)
{
if( j == 1 && *lpStr == '0' )
fi->fi_flags |= FI_POLYWEIGHT;
else if( j == 4 )
{
if( !lstrncmpi32A( "bold", lpStr, 4) )
fi->df.dfWeight = FW_BOLD;
else if( !lstrncmpi32A( "demi", lpStr, 4) )
{
fi->fi_flags |= FI_FW_DEMI;
fi->df.dfWeight = FW_DEMIBOLD;
}
else if( !lstrncmpi32A( "book", lpStr, 4) )
{
fi->fi_flags |= FI_FW_BOOK;
fi->df.dfWeight = FW_REGULAR;
}
}
else if( j == 5 )
{
if( !lstrncmpi32A( "light", lpStr, 5) )
fi->df.dfWeight = FW_LIGHT;
else if( !lstrncmpi32A( "black", lpStr, 5) )
fi->df.dfWeight = FW_BLACK;
}
else if( j == 6 && !lstrncmpi32A( "medium", lpStr, 6) )
fi->df.dfWeight = FW_REGULAR;
else if( j == 8 && !lstrncmpi32A( "demibold", lpStr, 8) )
fi->df.dfWeight = FW_DEMIBOLD;
else
fi->df.dfWeight = FW_DONTCARE; /* FIXME: try to get something
* from the weight property */
}
static int LFD_GetSlant( fontInfo* fi, LPSTR lpStr, int l)
{
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 0;
}
return 1;
}
/*************************************************************************
* LFD_InitFontInfo
*
* Fill in some fields in the fontInfo struct.
*/
static int LFD_InitFontInfo( fontInfo* fi, LPSTR lpstr )
{
LPSTR lpch;
int i, j, dec_style_check, scalability;
UINT16 tmp[3];
memset(fi, 0, sizeof(fontInfo) );
/* weight name - */
lpch = LFD_Advance( lpstr, 1);
if( !*lpch ) return FALSE;
j = lpch - lpstr - 1;
LFD_GetWeight( fi, lpstr, j );
/* slant - */
lpch = LFD_Advance( lpstr = lpch, 1);
if( !*lpch ) return FALSE;
j = lpch - lpstr - 1;
dec_style_check = LFD_GetSlant( fi, lpstr, j );
/* width name - */
lpch = LFD_Advance( lpstr = lpch, 1);
if( !*lpch ) return FALSE;
if( lstrncmpi32A( "normal", lpstr, 6) ) /* XXX 'narrow', 'condensed', etc... */
dec_style_check = TRUE;
else
fi->fi_flags |= FI_NORMAL;
/* style - */
lpch = LFD_Advance( lpstr = lpch, 1);
if( !*lpch ) return FALSE;
j = lpch - lpstr - 1;
if( j > 3 ) /* find out is there "sans" or "script" */
{
j = 0;
*(lpch - 1) = '\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;
*(lpch - 1) = LFDSeparator[1];
}
/* pixel height, decipoint height, and res_x */
for( i = scalability = 0; i < 3; i++ )
{
lpch = LFD_Advance( lpstr = lpch, 1);
if( !*lpch ) return FALSE;
if( lpch - lpstr == 1 || lpch - lpstr > 4 ) return FALSE; /* ridiculous */
*(lpch - 1) = '\0';
if( !(tmp[i] = atoi(lpstr)) ) scalability++;
*(lpch - 1) = LFDSeparator[1];
}
if( scalability == 3 ) /* Type1 */
{
fi->fi_flags |= FI_SCALABLE;
fi->lfd_height = DEF_SCALABLE_HEIGHT; fi->lfd_decipoints = DEF_SCALABLE_DP;
fi->lfd_resolution = DefResolution;
}
else if( scalability == 0 ) /* Bitmap */
{
fi->lfd_height = tmp[0]; fi->lfd_decipoints = tmp[1];
fi->lfd_resolution = tmp[2];
}
else return FALSE; /* #$%^!!! X11R6 mutant garbage */
/* res_y - skip, spacing - */
lpstr = LFD_Advance( lpch, 1);
switch( *lpstr )
{
case '\0': 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:
fi->df.dfPitchAndFamily |= DEFAULT_PITCH | FF_DONTCARE;
}
lpstr = LFD_Advance(lpstr, 1);
if( !*lpstr ) return FALSE;
/* average width - */
lpch = LFD_Advance( lpstr, 1);
if( !*lpch ) return FALSE;
if( lpch - lpstr == 1 || lpch - lpstr > 4 ) return FALSE; /* ridiculous */
*(lpch - 1) = '\0';
if( !(fi->lfd_width = atoi(lpstr)) && !scalability ) return FALSE;
*(lpch - 1) = LFDSeparator[1];
/* charset registry, charset encoding - */
if( strstr(lpch, "jisx") ||
strstr(lpch, "ksc") ||
strstr(lpch, "gb2312") ) return FALSE; /* 2-byte stuff */
fi->df.dfCharSet = ANSI_CHARSET;
if( strstr(lpch, iso8859Encoding) )
fi->fi_flags |= FI_ENC_ISO8859;
else if( strstr(lpch, iso646Encoding) )
fi->fi_flags |= FI_ENC_ISO646;
else if( strstr(lpch, ansiEncoding) ) /* fnt2bdf produces -ansi-0 LFD */
fi->fi_flags |= FI_ENC_ANSI;
else /* ... and -cp125-x */
{
fi->df.dfCharSet = OEM_CHARSET;
if( !strncasecmp(lpch, localMSEncoding, 6) )
{
lpch = LFD_Advance( lpch, 1 );
if( lpch && (i = atoi( lpch )) < numCPTranslation )
{
fi->fi_flags |= FI_ENC_MSCODEPAGE;
fi->df.dfCharSet = CPTranslation[i];
}
}
else if( strstr(lpch, "fontspecific") )
fi->df.dfCharSet = SYMBOL_CHARSET;
}
return TRUE;
}
/*************************************************************************
* LFD_ComposeLFD
*/
static BOOL32 LFD_ComposeLFD( fontObject* fo,
INT32 height, LPSTR lpLFD, UINT32 uRelax )
{
int h, w, ch, enc_ch, point = 0;
char* lpch;
const char* lpEncoding = NULL;
char h_string[64], point_string[64];
*(lpLFD+MAX_LFD_LENGTH-1)=0;
lstrcpy32A( lpLFD, fo->fr->resource );
/* add weight */
switch( fo->fi->df.dfWeight )
{
case FW_BOLD:
strcat( lpLFD, "bold" ); break;
case FW_REGULAR:
if( fo->fi->fi_flags & FI_FW_BOOK )
strcat( lpLFD, "book" );
else
strcat( lpLFD, "medium" );
break;
case FW_DEMIBOLD:
strcat( lpLFD, "demi" );
if( !( fo->fi->fi_flags & FI_FW_DEMI) )
strcat ( lpLFD, "bold" );
break;
case FW_BLACK:
strcat( lpLFD, "black" ); break;
case FW_LIGHT:
strcat( lpLFD, "light" ); break;
default:
strcat( lpLFD, "*" );
}
/* add slant */
if( fo->fi->df.dfItalic )
if( fo->fi->fi_flags & FI_OBLIQUE )
strcat( lpLFD, "-o" );
else
strcat( lpLFD, "-i" );
else
strcat( lpLFD, (uRelax < 4) ? "-r" : "-*" );
/* add width style and skip serifs */
if( fo->fi->fi_flags & FI_NORMAL )
strcat( lpLFD, "-normal-*-");
else
strcat( lpLFD, "-*-*-" );
/* add pixelheight, pointheight, and resolution
*
* 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;
if( XTextCaps & TC_SF_X_YINDEP )
if( fo->lf.lfWidth && !(fo->fo_flags & FO_SYNTH_WIDTH) )
point = (fo->fi->lfd_decipoints * fo->lf.lfWidth) / fo->fi->df.dfAvgWidth;
else
if( fo->fi->fi_flags & FI_SCALABLE ) /* adjust h/w ratio */
point = h * 72 * 10 / fo->fi->lfd_resolution;
/* 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.;
double h_matrix[4] = {h*cos(theta), h*sin(theta), -h*sin(theta), h*cos(theta)};
double point_matrix[4] = {point*cos(theta), point*sin(theta), -point*sin(theta), point*cos(theta)};
char *s;
sprintf(h_string, "[%+f%+f%+f%+f]", h_matrix[0], h_matrix[1], h_matrix[2], h_matrix[3]);
sprintf(point_string, "[%+f%+f%+f%+f]", point_matrix[0], point_matrix[1], point_matrix[2], point_matrix[3]);
while ((s = strchr(h_string, '-'))) *s='~';
while ((s = strchr(point_string, '-'))) *s='~';
} else {
sprintf(h_string, "%d", h);
sprintf(point_string, "%d", point);
}
/* spacing and width */
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' : LFDSeparator[0];
/* encoding */
enc_ch = '*';
if( fo->fi->df.dfCharSet == ANSI_CHARSET )
{
if( fo->fi->fi_flags & FI_ENC_ISO8859 )
lpEncoding = iso8859Encoding;
else if( fo->fi->fi_flags & FI_ENC_ISO646 )
lpEncoding = iso646Encoding;
else if( fo->fi->fi_flags & FI_ENC_MSCODEPAGE )
{
enc_ch = '2';
lpEncoding = localMSEncoding;
}
else lpEncoding = ansiEncoding;
}
else if( fo->fi->fi_flags & FI_ENC_MSCODEPAGE )
{
int i;
lpEncoding = localMSEncoding;
for( i = 0; i < numCPTranslation; i++ )
if( CPTranslation[i] == fo->fi->df.dfCharSet )
{
enc_ch = '0' + i;
break;
}
}
else lpEncoding = LFDSeparator; /* whatever */
lpch = lpLFD + lstrlen32A(lpLFD);
ch = (fo->fi->fi_flags & FI_SCALABLE) ? '0' : LFDSeparator[0];
switch( uRelax )
{
/* RealizeFont() will call us repeatedly with increasing uRelax
* until XLoadFont() succeeds. */
case 0:
if( point )
{
sprintf( lpch, "%s-%s-%i-%c-%c-*-%s%c", h_string,
point_string,
fo->fi->lfd_resolution, ch, w, lpEncoding, enc_ch );
break;
}
/* fall through */
case 1:
sprintf( lpch, "%s-*-%i-%c-%c-*-%s%c", h_string,
fo->fi->lfd_resolution, ch, w, lpEncoding, enc_ch );
break;
case 2:
sprintf( lpch, "%s-*-%i-%c-*-*-%s%c",
h_string, fo->fi->lfd_resolution, ch, lpEncoding, enc_ch );
break;
case 3:
sprintf( lpch, "%i-*-%i-%c-*-*-%s*", fo->fi->lfd_height,
fo->fi->lfd_resolution, ch, lpEncoding );
break;
default:
sprintf( lpch, "%i-*-*-*-*-*-%s*", fo->fi->lfd_height, lpEncoding );
}
TRACE(font,"\tLFD: %s\n", lpLFD );
assert(*(lpLFD+MAX_LFD_LENGTH-1)==0); /* check if overwrittem */
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 BOOL32 XFONT_GetLeading( LPIFONTINFO16 pFI, XFontStruct* x_fs, INT32* pIL, INT32* pEL )
{
unsigned long height;
unsigned min = (unsigned char)pFI->dfFirstChar;
unsigned max = (unsigned char)pFI->dfLastChar;
BOOL32 bHaveCapHeight = (pFI->dfCharSet == ANSI_CHARSET && 'X' >= min && 'X' <= max );
if( pEL ) *pEL = 0;
if( TSXGetFontProperty(x_fs, XA_CAP_HEIGHT, &height) == False )
{
if( x_fs->per_char )
if( bHaveCapHeight )
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;
return (bHaveCapHeight && x_fs->per_char);
}
static INT32 XFONT_GetAvgCharWidth( LPIFONTINFO16 pFI, XFontStruct* x_fs)
{
unsigned min = (unsigned char)pFI->dfFirstChar;
unsigned max = (unsigned char)pFI->dfLastChar;
if( x_fs->per_char )
{
int width, chars, j;
for( j = 0, width = 0, chars = 0, max -= min; j <= max; j++ )
if( !CI_NONEXISTCHAR(x_fs->per_char + j) )
{
width += x_fs->per_char[j].width;
chars++;
}
return (width / chars);
}
/* uniform width */
return x_fs->min_bounds.width;
}
/***********************************************************************
* XFONT_SetFontMetric
*
* Initializes IFONTINFO16. dfHorizRes and dfVertRes must be already set.
*/
static void XFONT_SetFontMetric(fontInfo* fi, fontResource* fr, XFontStruct* xfs)
{
unsigned min, max;
INT32 el, il;
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;
fi->df.dfMaxWidth = (INT16)abs(xfs->max_bounds.width);
if( XFONT_GetLeading( &fi->df, xfs, &il, &el ) )
fi->df.dfAvgWidth = (INT16)xfs->per_char['X' - min].width;
else
fi->df.dfAvgWidth = (INT16)XFONT_GetAvgCharWidth( &fi->df, xfs);
fi->df.dfInternalLeading = (INT16)il;
fi->df.dfExternalLeading = (INT16)el;
fi->df.dfPoints = (INT16)(((INT32)(fi->df.dfPixHeight -
fi->df.dfInternalLeading) * 72 + (fi->df.dfVertRes >> 1)) / fi->df.dfVertRes);
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_GetTextMetric
*/
static void XFONT_GetTextMetric( fontObject* pfo, LPTEXTMETRIC32A pTM )
{
LPIFONTINFO16 pdf = &pfo->fi->df;
pTM->tmAscent = pfo->fs->ascent;
pTM->tmDescent = pfo->fs->descent;
pTM->tmHeight = pTM->tmAscent + pTM->tmDescent;
pTM->tmAveCharWidth = pfo->foAvgCharWidth;
pTM->tmMaxCharWidth = abs(pfo->fs->max_bounds.width);
pTM->tmInternalLeading = pfo->foInternalLeading;
pTM->tmExternalLeading = pdf->dfExternalLeading;
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;
}
*(INT32*)&pTM->tmFirstChar = *(INT32*)&pdf->dfFirstChar;
pTM->tmCharSet = pdf->dfCharSet;
pTM->tmPitchAndFamily = pdf->dfPitchAndFamily;
pTM->tmDigitizedAspectX = pdf->dfHorizRes;
pTM->tmDigitizedAspectY = pdf->dfVertRes;
}
/***********************************************************************
* XFONT_GetFontMetric
*
* Retrieve font metric info (enumeration).
*/
static UINT32 XFONT_GetFontMetric( fontInfo* pfi, LPENUMLOGFONTEX16 pLF,
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;
lstrcpyn32A( plf->lfFaceName, pfi->df.dfFace, LF_FACESIZE );
#undef plf
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;
*(INT32*)&pTM->tmFirstChar = *(INT32*)&pfi->df.dfFirstChar;
/* return font type */
return pfi->df.dfType;
}
/***********************************************************************
* XFONT_FixupFlags
*
* dfPitchAndFamily flags for some common typefaces.
*/
static BYTE XFONT_FixupFlags( LPCSTR lfFaceName )
{
switch( lfFaceName[0] )
{
case 'h':
case 'H': if(!lstrcmpi32A(lfFaceName, "Helvetica") )
return FF_SWISS;
break;
case 'c':
case 'C': if(!lstrcmpi32A(lfFaceName, "Courier") ||
!lstrcmpi32A(lfFaceName, "Charter") )
return FF_ROMAN;
break;
case 'p':
case 'P': if( !lstrcmpi32A(lfFaceName,"Palatino") )
return FF_ROMAN;
break;
case 't':
case 'T': if(!lstrncmpi32A(lfFaceName, "Times", 5) )
return FF_ROMAN;
break;
case 'u':
case 'U': if(!lstrcmpi32A(lfFaceName, "Utopia") )
return FF_ROMAN;
break;
case 'z':
case 'Z': if(!lstrcmpi32A(lfFaceName, "Zapf Dingbats") )
return FF_DECORATIVE;
}
return 0;
}
/***********************************************************************
* XFONT_CheckResourceName
*/
static BOOL32 XFONT_CheckResourceName( LPSTR resource, LPCSTR name, INT32 n )
{
resource = LFD_Advance( resource, 2 );
if( resource )
return (!lstrncmpi32A( resource, name, n ));
return FALSE;
}
/***********************************************************************
* XFONT_WindowsNames
*
* Build generic Windows aliases for X font names.
*
* -misc-fixed- -> "Fixed"
* -sony-fixed- -> "Sony Fixed", etc...
*/
static void XFONT_WindowsNames( char* buffer )
{
fontResource* fr, *pfr;
char* lpstr, *lpch;
int i, up;
BYTE bFamilyStyle;
const char* relocTable[] = { INIDefaultFixed, INIDefault, NULL };
for( fr = fontList; fr ; fr = fr->next )
{
if( fr->fr_flags & FR_NAMESET ) continue; /* skip already assigned */
lpstr = LFD_Advance(fr->resource, 2);
i = LFD_Advance( lpstr, 1 ) - lpstr;
for( pfr = fontList; pfr != fr ; pfr = pfr->next )
if( pfr->fr_flags & FR_NAMESET )
if( XFONT_CheckResourceName( pfr->resource, lpstr, i ) )
break;
if( pfr != fr ) /* prepend vendor name */
lpstr = fr->resource + 1;
for( i = 0, up = 1, lpch = fr->lfFaceName; *lpstr && i < 32;
lpch++, lpstr++, i++ )
{
if( *lpstr == LFDSeparator[1] || *lpstr == ' ' )
{
*lpch = ' ';
up = 1; continue;
}
else if( isalpha(*lpstr) && up )
{
*lpch = toupper(*lpstr);
up = 0; continue;
}
*lpch = *lpstr;
}
while (*(lpch - 1) == ' ') *(--lpch) = '\0';
if( (bFamilyStyle = XFONT_FixupFlags( fr->lfFaceName )) )
{
fontInfo* fi;
for( fi = fr->fi ; fi ; fi = fi->next )
fi->df.dfPitchAndFamily |= bFamilyStyle;
}
TRACE(font,"typeface \'%s\'\n", fr->lfFaceName);
fr->fr_flags |= FR_NAMESET;
}
for( up = 0; relocTable[up]; up++ )
if( PROFILE_GetWineIniString( INIFontSection, relocTable[up], "", buffer, 128 ) )
{
while( *buffer && isspace(*buffer) ) buffer++;
for( fr = NULL, pfr = fontList; pfr; pfr = pfr->next )
{
i = lstrlen32A( pfr->resource );
if( !lstrncmpi32A( pfr->resource, buffer, i) )
{
if( fr )
{
fr->next = pfr->next;
pfr->next = fontList;
fontList = pfr;
}
break;
}
fr = pfr;
}
}
}
/***********************************************************************
* XFONT_CreateAlias
*/
static fontAlias* XFONT_CreateAlias( LPCSTR lpTypeFace, LPCSTR lpAlias )
{
int j;
fontAlias* pfa = aliasTable;
while( 1 )
{
/* check if we already got one */
if( !lstrcmpi32A( pfa->faTypeFace, lpAlias ) )
{
TRACE(font,"\tredundant alias '%s' -> '%s'\n",
lpAlias, lpTypeFace );
return NULL;
}
if( pfa->next ) pfa = pfa->next;
else break;
}
j = lstrlen32A(lpTypeFace) + 1;
pfa->next = HeapAlloc( SystemHeap, 0, sizeof(fontAlias) +
j + lstrlen32A(lpAlias) + 1 );
if((pfa = pfa->next))
{
pfa->next = NULL;
pfa->faTypeFace = (LPSTR)(pfa + 1);
lstrcpy32A( pfa->faTypeFace, lpTypeFace );
pfa->faAlias = pfa->faTypeFace + j;
lstrcpy32A( pfa->faAlias, lpAlias );
TRACE(font, "\tadded alias '%s' for %s\n", lpAlias, lpTypeFace );
return pfa;
}
return NULL;
}
/***********************************************************************
* XFONT_LoadAliases
*
* 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.
*/
static void XFONT_LoadAliases( char** buffer, int buf_size )
{
char* lpResource, *lpAlias;
char subsection[32];
int i = 0, j = 0;
BOOL32 bHaveAlias = TRUE, bSubst = FALSE;
if( buf_size < 128 )
*buffer = HeapReAlloc(SystemHeap, 0, *buffer, 256 );
do
{
if( j < faTemplateNum )
{
/* built-in templates first */
lpResource = faTemplate[j].fatResource;
lpAlias = faTemplate[j].fatAlias;
j++;
}
else
{
/* then WINE.CONF */
wsprintf32A( subsection, "%s%i", INISubSection, i++ );
if( (bHaveAlias = PROFILE_GetWineIniString( INIFontSection,
subsection, "", *buffer, 128 )) )
{
lpAlias = *buffer;
while( isspace(*lpAlias) ) lpAlias++;
lpResource = PROFILE_GetStringItem( lpAlias );
bSubst = (PROFILE_GetStringItem( lpResource )) ? TRUE : FALSE;
}
}
if( bHaveAlias )
{
int length;
length = lstrlen32A( lpAlias );
if( lpResource && length )
{
fontResource* fr, *frMatch = NULL;
for (fr = fontList; fr ; fr = fr->next)
{
if( !lstrcmpi32A( fr->resource, lpResource ) ) frMatch = fr;
if( XFONT_CheckResourceName( fr->resource, lpAlias, length ) )
{
/* alias is not needed since the real font is present */
frMatch = NULL; 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(!lstrcmp32A(lpAlias, pfa->faAlias))
{
if(prev)
prev->next = pfa->next;
else
aliasTable = pfa->next;
}
/* Update any references to the substituted font in aliasTable */
if(!lstrcmp32A(frMatch->lfFaceName,
pfa->faTypeFace))
pfa->faTypeFace = HEAP_strdupA( SystemHeap, 0,
lpAlias );
prev = pfa;
}
TRACE(font, "\tsubstituted '%s' with %s\n",
frMatch->lfFaceName, lpAlias );
lstrcpyn32A( frMatch->lfFaceName, lpAlias, LF_FACESIZE );
frMatch->fr_flags |= FR_NAMESET;
}
else
{
/* create new entry in the alias table */
XFONT_CreateAlias( frMatch->lfFaceName, lpAlias );
}
}
}
else ERR(font, " malformed font alias '%s'\n", *buffer );
}
else break;
} while(TRUE);
}
/***********************************************************************
* XFONT_UserMetricsCache
*
* Returns expanded name for the ~/.wine/.cachedmetrics file.
*/
static char* XFONT_UserMetricsCache( char* buffer, int* buf_size )
{
struct passwd* pwd;
pwd = getpwuid(getuid());
if( pwd && pwd->pw_dir )
{
int i = lstrlen32A( pwd->pw_dir ) + lstrlen32A( INIWinePrefix ) +
lstrlen32A( INIFontMetrics ) + 2;
if( i > *buf_size )
buffer = (char*) HeapReAlloc( SystemHeap, 0, buffer, *buf_size = i );
lstrcpy32A( buffer, pwd->pw_dir );
strcat( buffer, INIWinePrefix );
strcat( buffer, INIFontMetrics );
} else buffer[0] = '\0';
return buffer;
}
/***********************************************************************
* XFONT_ReadCachedMetrics
*/
static BOOL32 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( SystemHeap, 0, i);
if( fontList )
{
fontResource* pfr = fontList;
fontInfo* pfi = NULL;
TRACE(font,"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;
pfi->df.dfHorizRes = pfi->df.dfVertRes = res;
pfi->df.dfPoints = (INT16)(((INT32)(pfi->df.dfPixHeight -
pfi->df.dfInternalLeading) * 72 + (res >> 1)) / res );
pfi->next = pfi + 1;
if( j > pfr->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 )
{
TRACE(font,"\t%s, %i instances\n", lpch, pfr->count );
pfr->resource = lpch;
while( TRUE )
{
if( ++offset > length ) goto fail;
if( !*lpch++ ) break;
}
}
close( fd );
return TRUE;
}
}
}
}
fail:
if( fontList ) HeapFree( SystemHeap, 0, fontList );
fontList = NULL;
close( fd );
}
return FALSE;
}
/***********************************************************************
* XFONT_WriteCachedMetrics
*/
static BOOL32 XFONT_WriteCachedMetrics( int fd, unsigned x_checksum, int x_count, int n_ff )
{
fontResource* pfr;
fontInfo* pfi;
if( fd >= 0 )
{
int i, j, k;
/* 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 )
{
i += lstrlen32A( pfr->resource ) + 1;
j += pfr->count;
}
i += n_ff * sizeof(fontResource) + j * sizeof(fontInfo) + sizeof(int);
write( fd, &i, sizeof(int) );
TRACE(font,"Writing font cache:\n");
for( pfr = fontList; pfr; pfr = pfr->next )
{
fontInfo fi;
TRACE(font,"\t%s, %i instances\n", pfr->resource, pfr->count );
i = write( fd, pfr, sizeof(fontResource) );
if( i == sizeof(fontResource) )
{
for( k = 1, pfi = pfr->fi; pfi; pfi = pfi->next )
{
memcpy( &fi, pfi, sizeof(fi) );
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 )
{
i = lstrlen32A( pfr->resource ) + 1;
j = write( fd, pfr->resource, i );
}
}
close( fd );
return ( i == j );
}
return TRUE;
}
/***********************************************************************
* XFONT_CheckIniSection
*
* Examines wine.conf for old/invalid font entries and recommend changes to
* the user.
*
* Revision history
* 05-Jul-1997 Dave Cuthbert (dacut@ece.cmu.edu)
* Original implementation.
*/
static void XFONT_CheckIniCallback(char const *, char const *, void *);
static char const *fontmsgprologue =
"Wine warning:\n"
" The following entries in the [fonts] section of the wine.conf file are\n"
" obsolete or invalid:\n";
static char const *fontmsgepilogue =
" These entries should be eliminated or updated.\n"
" See the documentation/fonts file for more information.\n";
static int XFONT_CheckIniSection()
{
int found = 0;
PROFILE_EnumerateWineIniSection("Fonts", &XFONT_CheckIniCallback,
(void *)&found);
if(found)
MSG(fontmsgepilogue);
return 1;
}
static void XFONT_CheckIniCallback(
char const *key,
char const *value,
void *found)
{
/* Ignore any keys that start with potential comment characters "'", '#',
or ';'. */
if(key[0] == '\'' || key[0] == '#' || key[0] == ';' || key[0] == '\0')
return;
/* Make sure this is a valid key */
if((strncasecmp(key, INISubSection, 5) == 0) ||
(strcasecmp( key, INIDefault) == 0) ||
(strcasecmp( key, INIDefaultFixed) == 0) ||
(strcasecmp( key, INIGlobalMetrics) == 0) ||
(strcasecmp( key, INIResolution) == 0) )
{
/* Valid key; make sure the value doesn't contain a wildcard */
if(strchr(value, '*')) {
if(*(int *)found == 0) {
MSG(fontmsgprologue);
++*(int *)found;
}
MSG(" %s=%s [no wildcards allowed]\n", key, value);
}
}
else {
/* Not a valid key */
if(*(int *)found == 0) {
MSG(fontmsgprologue);
++*(int *)found;
}
MSG(" %s=%s [obsolete]\n", key, value);
}
return;
}
/***********************************************************************
* XFONT_GetPointResolution()
*
* 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;
DefResolution = point_resolution = PROFILE_GetWineIniInt( INIFontSection, INIResolution, 0 );
if( !DefResolution ) DefResolution = point_resolution = pDevCaps->logPixelsY;
else pDevCaps->logPixelsX = pDevCaps->logPixelsY = DefResolution;
for( i = best = 0; i < num; i++ )
{
j = abs( DefResolution - allowed_xfont_resolutions[i] );
if( j < best_diff )
{
best = i;
best_diff = j;
}
}
DefResolution = allowed_xfont_resolutions[best];
return point_resolution;
}
/***********************************************************************
* X11DRV_FONT_Init
*
* Initialize font resource list and allocate font cache.
*/
BOOL32 X11DRV_FONT_Init( DeviceCaps* pDevCaps )
{
XFontStruct* x_fs;
fontResource* fr, *pfr;
fontInfo* fi, *pfi;
unsigned x_checksum;
int i, j, res, x_count, fd = -1, buf_size = 0;
char* lpstr, *lpch, *lpmetrics, *buffer;
char** x_pattern;
XFONT_CheckIniSection();
res = XFONT_GetPointResolution( pDevCaps );
x_pattern = TSXListFonts(display, "*", MAX_FONT_FAMILIES * 16, &x_count );
TRACE(font,"Font Mapper: initializing %i fonts [LPY=%i, XDR=%i, DR=%i]\n",
x_count, pDevCaps->logPixelsY, DefResolution, res);
for( i = x_checksum = 0; i < x_count; i++ )
{
#if 0
printf("%i\t: %s\n", i, x_pattern[i] );
#endif
j = lstrlen32A( x_pattern[i] );
if( j ) x_checksum ^= __genericCheckSum( x_pattern[i], j );
}
x_checksum |= X_PFONT_MAGIC;
buf_size = 128;
buffer = HeapAlloc( SystemHeap, 0, buf_size );
lpmetrics = NULL;
/* deal with systemwide font metrics cache */
if( PROFILE_GetWineIniString( INIFontSection, INIGlobalMetrics, "", buffer, 128 ) )
fd = open( buffer, O_RDONLY );
if( XFONT_ReadCachedMetrics(fd, res, x_checksum, x_count) == FALSE )
{
/* try per-user */
buffer = XFONT_UserMetricsCache( buffer, &buf_size );
if( buffer[0] )
{
fd = open( buffer, O_RDONLY );
if( XFONT_ReadCachedMetrics(fd, res, x_checksum, x_count) == FALSE )
lpmetrics = HEAP_strdupA( SystemHeap, 0, buffer ); /* update later on */
}
}
fi = NULL;
if( fontList == NULL ) /* build metrics from scratch */
{
int n_ff;
char* typeface;
for( i = n_ff = 0; i < x_count; i++ )
{
typeface = lpch = x_pattern[i];
lpch = LFD_Advance(typeface, 3); /* extra '-' in the beginning */
if( !*lpch ) continue;
lpstr = lpch;
j = lpch - typeface; /* resource name length */
/* find a family to insert into */
for( pfr = NULL, fr = fontList; fr; fr = fr->next )
{
if( !lstrncmpi32A(fr->resource, typeface, j) &&
lstrlen32A(fr->resource) == j ) break;
pfr = fr;
}
if( !fi ) fi = (fontInfo*) HeapAlloc(SystemHeap, 0, sizeof(fontInfo));
if( !fr ) /* add new family */
{
if( n_ff >= MAX_FONT_FAMILIES ) break;
if( !LFD_InitFontInfo( fi, lpstr) ) continue;
n_ff++;
fr = (fontResource*) HeapAlloc(SystemHeap, 0, sizeof(fontResource));
memset(fr, 0, sizeof(fontResource));
fr->resource = (char*) HeapAlloc(SystemHeap, 0, j + 1 );
lstrcpyn32A( fr->resource, typeface, j + 1 );
TRACE(font," family: %s\n", fr->resource );
if( pfr ) pfr->next = fr;
else fontList = fr;
}
else if( !LFD_InitFontInfo( fi, lpstr) ) continue;
/* 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 ) continue;
/* add new font instance "fi" to the "fr" font resource */
if( fi->fi_flags & FI_SCALABLE )
{
/* set scalable font height to 24 to get an origin for extrapolation */
j = lstrlen32A(typeface); j += 0x10;
if( j > buf_size )
buffer = (char*)HeapReAlloc( SystemHeap, 0, buffer, buf_size = j );
lpch = LFD_Advance(typeface, 7);
memcpy( buffer, typeface, (j = lpch - typeface) );
lpch = LFD_Advance(lpch, 4);
sprintf( buffer + j, "%d-%d-%d-*-%c-*-", fi->lfd_height,
fi->lfd_decipoints, fi->lfd_resolution,
(*lpch == '-')?'*':*lpch );
lpch = LFD_Advance(lpch, 2);
strcat( lpstr = buffer, lpch);
}
else lpstr = typeface;
if( (x_fs = TSXLoadQueryFont(display, lpstr)) )
{
fi->df.dfHorizRes = fi->df.dfVertRes = res;
XFONT_SetFontMetric( fi, fr, x_fs );
TSXFreeFont( display, x_fs );
TRACE(font,"\t[% 2ipt] '%s'\n", fi->df.dfPoints, typeface );
XFONT_CheckFIList( fr, fi, REMOVE_SUBSETS );
fi = NULL; /* preventing reuse */
}
else
{
ERR(font, "failed to load %s\n", lpstr );
XFONT_CheckFIList( fr, fi, UNMARK_SUBSETS );
}
}
if( lpmetrics ) /* update cached metrics */
{
fd = open( lpmetrics, O_CREAT | O_TRUNC | O_RDWR, 0644 ); /* -rw-r--r-- */
if( XFONT_WriteCachedMetrics( fd, x_checksum, x_count, n_ff ) == FALSE )
if( fd ) remove( lpmetrics ); /* couldn't write entire file */
HeapFree( SystemHeap, 0, lpmetrics );
}
}
if( fi ) HeapFree(SystemHeap, 0, fi);
TSXFreeFontNames(x_pattern);
/* check if we're dealing with X11 R6 server */
lstrcpy32A(buffer, "-*-*-*-*-normal-*-[12 0 0 12]-*-72-*-*-*-iso8859-1");
if( (x_fs = TSXLoadQueryFont(display, buffer)) )
{
XTextCaps |= TC_SF_X_YINDEP;
TSXFreeFont(display, x_fs);
}
XFONT_WindowsNames( buffer );
XFONT_LoadAliases( &buffer, buf_size );
HeapFree(SystemHeap, 0, buffer);
/* fontList initialization is over, allocate X font cache */
fontCache = (fontObject*) HeapAlloc(SystemHeap, 0, fontCacheSize * sizeof(fontObject));
XFONT_GrowFreeList(0, fontCacheSize - 1);
TRACE(font,"done!\n");
/* update text caps parameter */
pDevCaps->textCaps = XTextCaps;
return TRUE;
}
/***********************************************************************
* X Font Matching
*
* Compare two fonts (only parameters set by the XFONT_InitFontInfo()).
*/
static INT32 XFONT_IsSubset(fontInfo* match, fontInfo* fi)
{
INT32 m;
/* 0 - keep both, 1 - keep match, -1 - keep fi */
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_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 UINT32 XFONT_Match( fontMatch* pfm )
{
fontInfo* pfi = pfm->pfi; /* device font to match */
LPLOGFONT16 plf = pfm->plf; /* wanted logical font */
UINT32 penalty = 0;
BOOL32 bR6 = pfm->flags & FO_MATCH_XYINDEP; /* from TextCaps */
BOOL32 bScale = pfi->fi_flags & FI_SCALABLE;
INT32 d, h;
TRACE(font,"\t[ %-2ipt h=%-3i w=%-3i %s%s]\n", pfi->df.dfPoints,
pfi->df.dfPixHeight, pfi->df.dfAvgWidth,
(pfi->df.dfWeight > 400) ? "Bold " : "Normal ",
(pfi->df.dfItalic) ? "Italic" : "" );
pfm->flags = 0;
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;
/* TMPF_FIXED_PITCH means exactly the opposite */
if( plf->lfPitchAndFamily & FIXED_PITCH )
{
if( pfi->df.dfPitchAndFamily & TMPF_FIXED_PITCH ) penalty += 0x100;
}
else if( !(pfi->df.dfPitchAndFamily & TMPF_FIXED_PITCH) ) penalty += 0x2;
if( plf->lfHeight > 0 )
d = (h = pfi->df.dfPixHeight) - plf->lfHeight;
else if( plf->lfHeight < -1 )
d = (h = pfi->df.dfPoints) + plf->lfHeight;
else d = h = 0;
if( d && plf->lfHeight )
{
UINT16 height = ( plf->lfHeight > 0 ) ? plf->lfHeight
: ((-plf->lfHeight * pfi->df.dfPixHeight) / h);
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;
if((pfm->flags & FO_MATCH_PAF) &&
(plf->lfPitchAndFamily & FF_FAMILY) != (pfi->df.dfPitchAndFamily & FF_FAMILY) )
penalty += 0x10;
if( plf->lfWidth )
{
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++;
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 */
if( plf->lfItalic != pfi->df.dfItalic )
{
penalty += 0x4;
pfm->flags |= FO_SYNTH_ITALIC;
}
if( plf->lfUnderline ) pfm->flags |= FO_SYNTH_UNDERLINE;
if( plf->lfStrikeOut ) pfm->flags |= FO_SYNTH_STRIKEOUT;
if( penalty && pfi->lfd_resolution != DefResolution )
penalty++;
TRACE(font," returning %i\n", penalty );
return penalty;
}
/***********************************************************************
* XFONT_MatchFIList
*
* Scan a particular font resource for the best match.
*/
static UINT32 XFONT_MatchFIList( fontMatch* pfm )
{
BOOL32 skipRaster = (pfm->flags & FO_MATCH_NORASTER);
UINT32 current_score, score = (UINT32)(-1);
UINT16 origflags = pfm->flags; /* Preserve FO_MATCH_XYINDEP */
fontMatch fm = *pfm;
for( fm.pfi = pfm->pfr->fi; fm.pfi && score; fm.pfi = fm.pfi->next,
fm.flags = origflags )
{
if( skipRaster && !(fm.pfi->fi_flags & FI_SCALABLE) )
continue;
current_score = XFONT_Match( &fm );
if( score > current_score )
{
memcpy( pfm, &fm, sizeof(fontMatch) );
score = current_score;
}
}
return score;
}
/***********************************************************************
* 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->count--;
if( prev ) prev->next = pfi = pfi->next;
else fr->fi = pfi = pfi->next;
HeapFree( SystemHeap, 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->count++;
}
if( i ) TRACE(font,"\t purged %i subsets [%i]\n", i , fr->count);
}
/***********************************************************************
* XFONT_FindFIList
*/
static fontResource* XFONT_FindFIList( fontResource* pfr, const char* pTypeFace )
{
while( pfr )
{
if( !lstrcmpi32A( pfr->lfFaceName, pTypeFace ) ) break;
pfr = pfr->next;
}
return pfr;
}
/***********************************************************************
* XFONT_MatchDeviceFont
*
* Scan font resource tree.
*/
static BOOL32 XFONT_MatchDeviceFont( fontResource* start, fontMatch* pfm )
{
fontMatch fm = *pfm;
pfm->pfi = NULL;
if( fm.plf->lfFaceName[0] )
{
fontAlias* fa;
LPSTR str = NULL;
for( fa = aliasTable; fa; fa = fa->next )
if( !lstrcmpi32A( fa->faAlias, fm.plf->lfFaceName ) )
{
str = fa->faTypeFace;
break;
}
fm.pfr = XFONT_FindFIList( start, str ? str : fm.plf->lfFaceName );
}
if( fm.pfr ) /* match family */
{
TRACE(font, "%s\n", fm.pfr->lfFaceName );
XFONT_MatchFIList( &fm );
*pfm = fm;
}
if( !pfm->pfi ) /* match all available fonts */
{
UINT32 current_score, score = (UINT32)(-1);
fm.flags |= FO_MATCH_PAF;
for( start = fontList; start && score; start = start->next )
{
fm.pfr = start;
TRACE(font, "%s\n", fm.pfr->lfFaceName );
current_score = XFONT_MatchFIList( &fm );
if( current_score < score )
{
score = current_score;
*pfm = fm;
}
}
}
return TRUE;
}
/***********************************************************************
* 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( 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 ) &&
!lstrncmpi32A( plf->lfFaceName, fontCache[i].lf.lfFaceName,
LF_FACESIZE ) )
{
/* 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()
{
int i;
if( fontLF == -1 )
{
int prev_i, prev_j, j;
TRACE(font,"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(font,"\tfreeing entry %i\n", j );
if( prev_j >= 0 )
fontCache[prev_j].lru = fontCache[j].lru;
else fontMRU = (INT16)fontCache[j].lru;
/* FIXME: lpXForm, lpPixmap */
TSXFreeFont( display, fontCache[j].fs );
memset( fontCache + j, 0, sizeof(fontObject) );
return (fontCache + j);
}
else /* expand cache */
{
fontObject* newCache;
prev_i = fontCacheSize + FONTCACHE;
TRACE(font,"\tgrowing font cache from %i to %i\n", fontCacheSize, prev_i );
if( (newCache = (fontObject*)HeapReAlloc(SystemHeap, 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(fontObject* pfo)
{
UINT32 u = (UINT32)(pfo - fontCache);
if( u < fontCacheSize ) return (--fontCache[u].count);
return -1;
}
/***********************************************************************
* X Device Font Objects
*/
static X_PHYSFONT XFONT_RealizeFont( LPLOGFONT16 plf )
{
UINT16 checksum;
fontObject* pfo = XFONT_LookupCachedFont( plf, &checksum );
if( !pfo )
{
fontMatch fm = { NULL, NULL, 0, 0, plf};
INT32 i, index;
if( XTextCaps & TC_SF_X_YINDEP ) fm.flags = FO_MATCH_XYINDEP;
/* allocate new font cache entry */
if( (pfo = XFONT_GetCacheEntry()) )
{
LPSTR lpLFD = HeapAlloc( GetProcessHeap(), 0, MAX_LFD_LENGTH );
if( lpLFD ) /* initialize entry and load font */
{
UINT32 uRelaxLevel = 0;
TRACE(font,"(%u) '%s' h=%i weight=%i %s\n",
plf->lfCharSet, plf->lfFaceName, plf->lfHeight,
plf->lfWeight, (plf->lfItalic) ? "Italic" : "" );
XFONT_MatchDeviceFont( fontList, &fm );
pfo->fr = fm.pfr;
pfo->fi = fm.pfi;
pfo->fo_flags = fm.flags & ~FO_MATCH_MASK;
memcpy( &pfo->lf, plf, sizeof(LOGFONT16) );
pfo->lfchecksum = checksum;
do
{
LFD_ComposeLFD( pfo, fm.height, lpLFD, uRelaxLevel++ );
if( (pfo->fs = TSXLoadQueryFont( display, lpLFD )) ) break;
} while( uRelaxLevel );
if( XFONT_GetLeading( &pfo->fi->df, pfo->fs, &i, NULL ) )
pfo->foAvgCharWidth = (INT16)pfo->fs->per_char['X' - pfo->fs->min_char_or_byte2].width;
else
pfo->foAvgCharWidth = (INT16)XFONT_GetAvgCharWidth( &pfo->fi->df, pfo->fs );
pfo->foInternalLeading = (INT16)i;
/* 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).
* X11DRV_ExtTextOut() must be heavily modified
* to support pixmap blitting and FO_SYNTH_...
* styles.
*/
pfo->lpXForm = NULL;
pfo->lpPixmap = NULL;
HeapFree( GetProcessHeap(), 0, lpLFD );
}
else /* attach back to the free list */
{
pfo->count = -1;
pfo->lru = fontLF;
fontLF = (pfo - fontCache);
pfo = NULL;
}
}
if( !pfo ) /* couldn't get a new entry, get one of the cached fonts */
{
UINT32 current_score, score = (UINT32)(-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;
pfo->count++;
return (X_PHYSFONT)(X_PFONT_MAGIC | index);
}
}
/* attach at the head of the lru list */
pfo->count++;
pfo->lru = fontMRU;
fontMRU = (pfo - fontCache);
TRACE(font,"physfont %i\n", fontMRU);
return (X_PHYSFONT)(X_PFONT_MAGIC | fontMRU);
}
/***********************************************************************
* 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
*/
HFONT32 X11DRV_FONT_SelectObject( DC* dc, HFONT32 hfont, FONTOBJ* font )
{
HFONT32 hPrevFont = 0;
LOGFONT16 lf;
if( CHECK_PFONT(dc->u.x.font) )
XFONT_ReleaseCacheEntry( __PFONT(dc->u.x.font) );
/* FIXME: do we need to pass anything back from here? */
memcpy(&lf,&font->logfont,sizeof(lf));
lf.lfWidth = font->logfont.lfWidth * dc->vportExtX/dc->wndExtX;
lf.lfHeight = font->logfont.lfHeight* dc->vportExtY/dc->wndExtY;
dc->u.x.font = XFONT_RealizeFont( &lf );
hPrevFont = dc->w.hFont;
dc->w.hFont = hfont;
return hPrevFont;
}
/***********************************************************************
*
* X11DRV_EnumDeviceFonts
*/
BOOL32 X11DRV_EnumDeviceFonts( DC* dc, LPLOGFONT16 plf,
DEVICEFONTENUMPROC proc, LPARAM lp )
{
ENUMLOGFONTEX16 lf;
NEWTEXTMETRIC16 tm;
fontResource* pfr = fontList;
BOOL32 b, bRet = 0;
if( plf->lfFaceName[0] )
{
pfr = XFONT_FindFIList( pfr, plf->lfFaceName );
if( pfr )
{
fontInfo* pfi;
for( pfi = pfr->fi; pfi; pfi = pfi->next )
if( (b = (*proc)( (LPENUMLOGFONT16)&lf, &tm,
XFONT_GetFontMetric( pfi, &lf, &tm ), lp )) )
bRet = b;
else break;
}
}
else
for( ; pfr ; pfr = pfr->next )
if( (b = (*proc)( (LPENUMLOGFONT16)&lf, &tm,
XFONT_GetFontMetric( pfr->fi, &lf, &tm ), lp )) )
bRet = b;
else break;
return bRet;
}
/***********************************************************************
* X11DRV_GetTextExtentPoint
*/
BOOL32 X11DRV_GetTextExtentPoint( DC *dc, LPCSTR str, INT32 count,
LPSIZE32 size )
{
XFontStruct* pfs = XFONT_GetFontStruct( dc->u.x.font );
if( pfs )
{
int dir, ascent, descent;
XCharStruct info;
TSXTextExtents( pfs, str, count, &dir, &ascent, &descent, &info );
size->cx = abs((info.width + dc->w.breakRem + count * dc->w.charExtra)
* dc->wndExtX / dc->vportExtX);
size->cy = abs((pfs->ascent + pfs->descent) * dc->wndExtY / dc->vportExtY);
return TRUE;
}
return FALSE;
}
/***********************************************************************
* X11DRV_GetTextMetrics
*/
BOOL32 X11DRV_GetTextMetrics(DC *dc, TEXTMETRIC32A *metrics)
{
if( CHECK_PFONT(dc->u.x.font) )
{
fontObject* pfo = __PFONT(dc->u.x.font);
XFONT_GetTextMetric( pfo, metrics );
return TRUE;
}
return FALSE;
}
/***********************************************************************
* X11DRV_GetCharWidth
*/
BOOL32 X11DRV_GetCharWidth( DC *dc, UINT32 firstChar, UINT32 lastChar,
LPINT32 buffer )
{
XFontStruct* xfs = XFONT_GetFontStruct( dc->u.x.font );
if( xfs )
{
int i;
if (xfs->per_char == NULL)
for (i = firstChar; i <= lastChar; i++)
*buffer++ = xfs->min_bounds.width;
else
{
XCharStruct *cs, *def;
static XCharStruct __null_char = { 0, 0, 0, 0, 0, 0 };
CI_GET_CHAR_INFO(xfs, xfs->default_char, &__null_char, def);
for (i = firstChar; i <= lastChar; i++)
{
if (i >= xfs->min_char_or_byte2 && i <= xfs->max_char_or_byte2)
{
cs = &xfs->per_char[(i - xfs->min_char_or_byte2)];
if (CI_NONEXISTCHAR(cs)) cs = def;
} else cs = def;
*buffer++ = MAX(cs->width, 0 );
}
}
return TRUE;
}
return FALSE;
}
/***********************************************************************
* *
* Font Resource API *
* *
***********************************************************************/
/***********************************************************************
* AddFontResource16 (GDI.119)
*
* Can be either .FON, or .FNT, or .TTF, or .FOT font file.
*
* FIXME: Load header and find the best-matching font in the fontList;
* fixup dfPoints if all metrics are identical, otherwise create
* new fontAlias. When soft font support is ready this will
* simply create a new fontResource ('filename' will go into
* the pfr->resource field) with FR_SOFTFONT/FR_SOFTRESOURCE
* flag set.
*/
INT16 WINAPI AddFontResource16( LPCSTR filename )
{
return AddFontResource32A( filename );
}
/***********************************************************************
* AddFontResource32A (GDI32.2)
*/
INT32 WINAPI AddFontResource32A( LPCSTR str )
{
FIXME(font, "(%s): stub\n", debugres_a(str));
return 1;
}
/***********************************************************************
* AddFontResource32W (GDI32.4)
*/
INT32 WINAPI AddFontResource32W( LPCWSTR str )
{
FIXME(font, "(%s): stub\n", debugres_w(str) );
return 1;
}
/***********************************************************************
* RemoveFontResource16 (GDI.136)
*/
BOOL16 WINAPI RemoveFontResource16( SEGPTR str )
{
FIXME(font, "(%s): stub\n", debugres_a(PTR_SEG_TO_LIN(str)));
return TRUE;
}
/***********************************************************************
* RemoveFontResource32A (GDI32.284)
*/
BOOL32 WINAPI RemoveFontResource32A( LPCSTR str )
{
FIXME(font, "(%s): stub\n", debugres_a(str));
return TRUE;
}
/***********************************************************************
* RemoveFontResource32W (GDI32.286)
*/
BOOL32 WINAPI RemoveFontResource32W( LPCWSTR str )
{
FIXME(font, "(%s): stub\n", debugres_w(str) );
return TRUE;
}