git.oblomov.eu Git - wine/blob - dlls/wineps/font.c

   1 /*
   2  *      PostScript driver font functions
   3  *
   4  *      Copyright 1998  Huw D M Davies
   5  *
   6  */
   7 #include <string.h>
   8 #include "winspool.h"
   9 #include "psdrv.h"
  10 #include "debugtools.h"
  11 #include "gdi.h"
  12 #include "winerror.h"
  13
  14 DEFAULT_DEBUG_CHANNEL(psdrv);
  15
  16
  17 /***********************************************************************
  18  *           PSDRV_FONT_SelectObject
  19  */
  20 HFONT16 PSDRV_FONT_SelectObject( DC * dc, HFONT16 hfont,
  21                                  FONTOBJ *font )
  22 {
  23     HFONT16 prevfont = dc->hFont;
  24     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
  25     LOGFONTW *lf = &(font->logfont);
  26     BOOL bd = FALSE, it = FALSE;
  27     AFMLISTENTRY *afmle;
  28     AFM *afm;
  29     FONTFAMILY *family;
  30     char FaceName[LF_FACESIZE];
  31
  32
  33     TRACE("FaceName = '%s' Height = %ld Italic = %d Weight = %ld\n",
  34           debugstr_w(lf->lfFaceName), lf->lfHeight, lf->lfItalic,
  35           lf->lfWeight);
  36
  37     dc->hFont = hfont;
  38
  39     if(lf->lfItalic)
  40         it = TRUE;
  41     if(lf->lfWeight > 550)
  42         bd = TRUE;
  43     WideCharToMultiByte(CP_ACP, 0, lf->lfFaceName, -1,
  44                         FaceName, sizeof(FaceName), NULL, NULL);
  45
  46     if(FaceName[0] == '\0') {
  47         switch(lf->lfPitchAndFamily & 0xf0) {
  48         case FF_DONTCARE:
  49             break;
  50         case FF_ROMAN:
  51         case FF_SCRIPT:
  52             strcpy(FaceName, "Times");
  53             break;
  54         case FF_SWISS:
  55             strcpy(FaceName, "Helvetica");
  56             break;
  57         case FF_MODERN:
  58             strcpy(FaceName, "Courier");
  59             break;
  60         case FF_DECORATIVE:
  61             strcpy(FaceName, "Symbol");
  62             break;
  63         }
  64     }
  65
  66     if(FaceName[0] == '\0') {
  67         switch(lf->lfPitchAndFamily & 0x0f) {
  68         case VARIABLE_PITCH:
  69             strcpy(FaceName, "Times");
  70             break;
  71         default:
  72             strcpy(FaceName, "Courier");
  73             break;
  74         }
  75     }
  76
  77     if (physDev->pi->FontSubTableSize != 0)
  78     {
  79         DWORD i;
  80
  81         for (i = 0; i < physDev->pi->FontSubTableSize; ++i)
  82         {
  83             if (!strcasecmp (FaceName,
  84                     physDev->pi->FontSubTable[i].pValueName))
  85             {
  86                 TRACE ("substituting facename '%s' for '%s'\n",
  87                         (LPSTR) physDev->pi->FontSubTable[i].pData, FaceName);
  88                 if (strlen ((LPSTR) physDev->pi->FontSubTable[i].pData) <
  89                         LF_FACESIZE)
  90                     strcpy (FaceName,
  91                             (LPSTR) physDev->pi->FontSubTable[i].pData);
  92                 else
  93                     WARN ("Facename '%s' is too long; ignoring substitution\n",
  94                             (LPSTR) physDev->pi->FontSubTable[i].pData);
  95                 break;
  96             }
  97         }
  98     }
  99
 100     TRACE("Trying to find facename '%s'\n", FaceName);
 101
 102     /* Look for a matching font family */
 103     for(family = physDev->pi->Fonts; family; family = family->next) {
 104         if(!strcasecmp(FaceName, family->FamilyName))
 105             break;
 106     }
 107     if(!family) {
 108         /* Fallback for Window's font families to common PostScript families */
 109         if(!strcmp(FaceName, "Arial"))
 110             strcpy(FaceName, "Helvetica");
 111         else if(!strcmp(FaceName, "System"))
 112             strcpy(FaceName, "Helvetica");
 113         else if(!strcmp(FaceName, "Times New Roman"))
 114             strcpy(FaceName, "Times");
 115         else if(!strcmp(FaceName, "Courier New"))
 116             strcpy(FaceName, "Courier");
 117
 118         for(family = physDev->pi->Fonts; family; family = family->next) {
 119             if(!strcmp(FaceName, family->FamilyName))
 120                 break;
 121         }
 122     }
 123     /* If all else fails, use the first font defined for the printer */
 124     if(!family)
 125         family = physDev->pi->Fonts;
 126
 127     TRACE("Got family '%s'\n", family->FamilyName);
 128
 129     for(afmle = family->afmlist; afmle; afmle = afmle->next) {
 130         if( (bd == (afmle->afm->Weight == FW_BOLD)) &&
 131             (it == (afmle->afm->ItalicAngle != 0.0)) )
 132                 break;
 133     }
 134     if(!afmle)
 135         afmle = family->afmlist; /* not ideal */
 136
 137     afm = afmle->afm;
 138
 139     physDev->font.afm = afm;
 140     physDev->font.tm.tmHeight = INTERNAL_YWSTODS(dc, lf->lfHeight);
 141     if(physDev->font.tm.tmHeight < 0) {
 142         physDev->font.tm.tmHeight *= - (afm->FullAscender - afm->Descender) /
 143                                        (afm->Ascender - afm->Descender);
 144         TRACE("Fixed -ve height to %ld\n", physDev->font.tm.tmHeight);
 145     }
 146     physDev->font.size = physDev->font.tm.tmHeight * 1000.0 /
 147                                 (afm->FullAscender - afm->Descender);
 148     physDev->font.scale = physDev->font.size / 1000.0;
 149     physDev->font.escapement = lf->lfEscapement;
 150     physDev->font.tm.tmAscent = afm->FullAscender * physDev->font.scale;
 151     physDev->font.tm.tmDescent = -afm->Descender * physDev->font.scale;
 152     physDev->font.tm.tmInternalLeading = (afm->FullAscender - afm->Ascender)
 153                                                 * physDev->font.scale;
 154     physDev->font.tm.tmExternalLeading = (1000.0 - afm->FullAscender)
 155                                                 * physDev->font.scale; /* ?? */
 156     physDev->font.tm.tmAveCharWidth = afm->CharWidths[120] * /* x */
 157                                                    physDev->font.scale;
 158     physDev->font.tm.tmMaxCharWidth = afm->CharWidths[77] * /* M */
 159                                            physDev->font.scale;
 160     physDev->font.tm.tmWeight = afm->Weight;
 161     physDev->font.tm.tmItalic = afm->ItalicAngle != 0.0;
 162     physDev->font.tm.tmUnderlined = lf->lfUnderline;
 163     physDev->font.tm.tmStruckOut = lf->lfStrikeOut;
 164     physDev->font.tm.tmFirstChar = 32;
 165     physDev->font.tm.tmLastChar = 251;
 166     physDev->font.tm.tmDefaultChar = 128;
 167     physDev->font.tm.tmBreakChar = 32;
 168     physDev->font.tm.tmPitchAndFamily = afm->IsFixedPitch ? 0 :
 169                                           TMPF_FIXED_PITCH;
 170     physDev->font.tm.tmPitchAndFamily |= TMPF_DEVICE;
 171     physDev->font.tm.tmCharSet = ANSI_CHARSET;
 172     physDev->font.tm.tmOverhang = 0;
 173     physDev->font.tm.tmDigitizedAspectX = dc->devCaps->logPixelsY;
 174     physDev->font.tm.tmDigitizedAspectY = dc->devCaps->logPixelsX;
 175
 176     physDev->font.set = FALSE;
 177
 178     TRACE("Selected PS font '%s' size %d weight %ld.\n",
 179           physDev->font.afm->FontName, physDev->font.size,
 180           physDev->font.tm.tmWeight );
 181     TRACE("H = %ld As = %ld Des = %ld IL = %ld EL = %ld\n",
 182           physDev->font.tm.tmHeight, physDev->font.tm.tmAscent,
 183           physDev->font.tm.tmDescent, physDev->font.tm.tmInternalLeading,
 184           physDev->font.tm.tmExternalLeading);
 185
 186     return prevfont;
 187 }
 188
 189 /***********************************************************************
 190  *           PSDRV_GetTextMetrics
 191  */
 192 BOOL PSDRV_GetTextMetrics(DC *dc, TEXTMETRICW *metrics)
 193 {
 194     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
 195
 196     memcpy(metrics, &(physDev->font.tm), sizeof(physDev->font.tm));
 197     return TRUE;
 198 }
 199
 200 /***********************************************************************
 201  *           PSDRV_UnicodeToANSI
 202  */
 203 char PSDRV_UnicodeToANSI(int u)
 204 {
 205     if((u & 0xff) == u)
 206         return u;
 207     switch(u) {
 208     case 0x2013: /* endash */
 209         return 0x96;
 210     case 0x2014: /* emdash */
 211         return 0x97;
 212     case 0x2018: /* quoteleft */
 213         return 0x91;
 214     case 0x2019: /* quoteright */
 215         return 0x92;
 216     case 0x201c: /* quotedblleft */
 217        return 0x93;
 218     case 0x201d: /* quotedblright */
 219         return 0x94;
 220     case 0x2022: /* bullet */
 221         return 0x95;
 222     default:
 223         WARN("Umapped unicode char U%04x\n", u);
 224         return 0xff;
 225     }
 226 }
 227 /***********************************************************************
 228  *           PSDRV_GetTextExtentPoint
 229  */
 230 BOOL PSDRV_GetTextExtentPoint( DC *dc, LPCWSTR str, INT count,
 231                                   LPSIZE size )
 232 {
 233     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
 234     INT i;
 235     float width;
 236
 237     width = 0.0;
 238
 239     for(i = 0; i < count && str[i]; i++) {
 240         char c = PSDRV_UnicodeToANSI(str[i]);
 241         width += physDev->font.afm->CharWidths[(int)(unsigned char)c];
 242 /*      TRACE(psdrv, "Width after %dth char '%c' = %f\n", i, str[i], width);*/
 243     }
 244     width *= physDev->font.scale;
 245     TRACE("Width after scale (%f) is %f\n", physDev->font.scale, width);
 246
 247     size->cx = GDI_ROUND((FLOAT)width * dc->xformVport2World.eM11);
 248     size->cy = GDI_ROUND((FLOAT)physDev->font.tm.tmHeight  * dc->xformVport2World.eM22);
 249
 250     return TRUE;
 251 }
 252
 253
 254 /***********************************************************************
 255  *           PSDRV_GetCharWidth
 256  */
 257 BOOL PSDRV_GetCharWidth( DC *dc, UINT firstChar, UINT lastChar,
 258                            LPINT buffer )
 259 {
 260     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
 261     UINT i;
 262
 263     TRACE("first = %d last = %d\n", firstChar, lastChar);
 264
 265     if(lastChar > 0xff) return FALSE;
 266     for( i = firstChar; i <= lastChar; i++ )
 267         *buffer++ = physDev->font.afm->CharWidths[i] * physDev->font.scale;
 268
 269     return TRUE;
 270 }
 271
 272
 273 /***********************************************************************
 274  *           PSDRV_SetFont
 275  */
 276 BOOL PSDRV_SetFont( DC *dc )
 277 {
 278     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
 279     BOOL ReEncode = FALSE;
 280
 281     PSDRV_WriteSetColor(dc, &physDev->font.color);
 282     if(physDev->font.set) return TRUE;
 283
 284     if(physDev->font.afm->EncodingScheme &&
 285        !strcmp(physDev->font.afm->EncodingScheme, "AdobeStandardEncoding"))
 286         ReEncode = TRUE;
 287     if(ReEncode)
 288         PSDRV_WriteReencodeFont(dc);
 289     PSDRV_WriteSetFont(dc, ReEncode);
 290     physDev->font.set = TRUE;
 291     return TRUE;
 292 }
 293
 294
 295 /***********************************************************************
 296  *           PSDRV_GetFontMetric
 297  */
 298 static UINT PSDRV_GetFontMetric(HDC hdc, AFM *pafm, NEWTEXTMETRICEXW *pTM,
 299                                 ENUMLOGFONTEXW *pLF, INT16 size)
 300
 301 {
 302     DC *dc = DC_GetDCPtr( hdc );
 303     float scale = size / (pafm->FullAscender - pafm->Descender);
 304
 305     if (!dc) return FALSE;
 306
 307     memset( pLF, 0, sizeof(*pLF) );
 308     memset( pTM, 0, sizeof(*pTM) );
 309
 310 #define plf ((LPLOGFONTW)pLF)
 311 #define ptm ((LPNEWTEXTMETRICW)pTM)
 312     plf->lfHeight    = ptm->tmHeight       = size;
 313     plf->lfWidth     = ptm->tmAveCharWidth = pafm->CharWidths[120] * scale;
 314     plf->lfWeight    = ptm->tmWeight       = pafm->Weight;
 315     plf->lfItalic    = ptm->tmItalic       = pafm->ItalicAngle != 0.0;
 316     plf->lfUnderline = ptm->tmUnderlined   = 0;
 317     plf->lfStrikeOut = ptm->tmStruckOut    = 0;
 318     plf->lfCharSet   = ptm->tmCharSet      = ANSI_CHARSET;
 319
 320     /* convert pitch values */
 321
 322     ptm->tmPitchAndFamily = pafm->IsFixedPitch ? 0 : TMPF_FIXED_PITCH;
 323     ptm->tmPitchAndFamily |= TMPF_DEVICE;
 324     plf->lfPitchAndFamily = 0;
 325
 326     MultiByteToWideChar(CP_ACP, 0, pafm->FamilyName, -1,
 327                         plf->lfFaceName, LF_FACESIZE);
 328 #undef plf
 329
 330     ptm->tmAscent = pafm->FullAscender * scale;
 331     ptm->tmDescent = -pafm->Descender * scale;
 332     ptm->tmInternalLeading = (pafm->FullAscender - pafm->Ascender) * scale;
 333     ptm->tmMaxCharWidth = pafm->CharWidths[77] * scale;
 334     ptm->tmDigitizedAspectX = dc->devCaps->logPixelsY;
 335     ptm->tmDigitizedAspectY = dc->devCaps->logPixelsX;
 336
 337     *(INT*)&ptm->tmFirstChar = 32;
 338
 339     GDI_ReleaseObj( hdc );
 340     /* return font type */
 341
 342     return DEVICE_FONTTYPE;
 343 #undef ptm
 344 }
 345
 346 /***********************************************************************
 347  *           PSDRV_EnumDeviceFonts
 348  */
 349 BOOL PSDRV_EnumDeviceFonts( HDC hdc, LPLOGFONTW plf,
 350                             DEVICEFONTENUMPROC proc, LPARAM lp )
 351 {
 352     ENUMLOGFONTEXW      lf;
 353     NEWTEXTMETRICEXW    tm;
 354     BOOL                b, bRet = 0;
 355     AFMLISTENTRY        *afmle;
 356     FONTFAMILY          *family;
 357     PSDRV_PDEVICE       *physDev;
 358     char                FaceName[LF_FACESIZE];
 359     DC *dc = DC_GetDCPtr( hdc );
 360     if (!dc) return FALSE;
 361
 362     physDev = (PSDRV_PDEVICE *)dc->physDev;
 363     /* FIXME!! should reevaluate dc->physDev after every callback */
 364     GDI_ReleaseObj( hdc );
 365
 366     if( plf->lfFaceName[0] ) {
 367         WideCharToMultiByte(CP_ACP, 0, plf->lfFaceName, -1,
 368                           FaceName, sizeof(FaceName), NULL, NULL);
 369         TRACE("lfFaceName = '%s'\n", FaceName);
 370         for(family = physDev->pi->Fonts; family; family = family->next) {
 371             if(!strncmp(FaceName, family->FamilyName,
 372                         strlen(family->FamilyName)))
 373                 break;
 374         }
 375         if(family) {
 376             for(afmle = family->afmlist; afmle; afmle = afmle->next) {
 377                 TRACE("Got '%s'\n", afmle->afm->FontName);
 378                 if( (b = (*proc)( &lf, &tm,
 379                         PSDRV_GetFontMetric( hdc, afmle->afm, &tm, &lf, 200 ),
 380                                   lp )) )
 381                      bRet = b;
 382                 else break;
 383             }
 384         }
 385     } else {
 386
 387         TRACE("lfFaceName = NULL\n");
 388         for(family = physDev->pi->Fonts; family; family = family->next) {
 389             afmle = family->afmlist;
 390             TRACE("Got '%s'\n", afmle->afm->FontName);
 391             if( (b = (*proc)( &lf, &tm,
 392                    PSDRV_GetFontMetric( hdc, afmle->afm, &tm, &lf, 200 ),
 393                               lp )) )
 394                 bRet = b;
 395             else break;
 396         }
 397     }
 398     return bRet;
 399 }