src/FontInfo.cpp

   1 /**
   2  * \file src/FontInfo.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Jean-Marc Lasgouttes
   8  * \author Angus Leeming
   9  * \author André Pönitz
  10  * \author Dekel Tsur
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "ColorSet.h"
  18 #include "FontInfo.h"
  19 #include "Lexer.h"
  20 #include "LyXRC.h"
  21
  22 #include "support/convert.h"
  23 #include "support/debug.h"
  24 #include "support/docstring.h"
  25 #include "support/lstrings.h"
  26 #include "support/RefChanger.h"
  27
  28 #include <algorithm>
  29 #include <ostream>
  30 #include <sstream>
  31
  32 using namespace std;
  33 using namespace lyx::support;
  34
  35 namespace lyx {
  36
  37 //
  38 // Strings used to read and write .lyx format files
  39 //
  40 char const * LyXFamilyNames[NUM_FAMILIES + 2 /* default & error */] =
  41 { "roman", "sans", "typewriter", "symbol",
  42   "cmr", "cmsy", "cmm", "cmex", "msa", "msb", "eufrak", "rsfs", "stmry",
  43   "wasy", "esint", "default", "error" };
  44
  45 char const * LyXSeriesNames[NUM_SERIES + 2 /* default & error */] =
  46 { "medium", "bold", "default", "error" };
  47
  48 char const * LyXShapeNames[NUM_SHAPE + 2 /* default & error */] =
  49 { "up", "italic", "slanted", "smallcaps", "default", "error" };
  50
  51 char const * LyXSizeNames[NUM_SIZE + 4 /* increase, decrease, default & error */] =
  52 { "tiny", "scriptsize", "footnotesize", "small", "normal", "large",
  53   "larger", "largest", "huge", "giant",
  54   "increase", "decrease", "default", "error" };
  55
  56 char const * LyXMiscNames[5] =
  57 { "off", "on", "toggle", "default", "error" };
  58
  59
  60 FontInfo const sane_font(
  61         ROMAN_FAMILY,
  62         MEDIUM_SERIES,
  63         UP_SHAPE,
  64         FONT_SIZE_NORMAL,
  65         Color_none,
  66         Color_background,
  67         FONT_OFF,
  68         FONT_OFF,
  69         FONT_OFF,
  70         FONT_OFF,
  71         FONT_OFF,
  72         FONT_OFF,
  73         FONT_OFF,
  74         FONT_OFF,
  75         FONT_OFF);
  76
  77 FontInfo const inherit_font(
  78         INHERIT_FAMILY,
  79         INHERIT_SERIES,
  80         INHERIT_SHAPE,
  81         FONT_SIZE_INHERIT,
  82         Color_inherit,
  83         Color_inherit,
  84         FONT_INHERIT,
  85         FONT_INHERIT,
  86         FONT_INHERIT,
  87         FONT_INHERIT,
  88         FONT_INHERIT,
  89         FONT_INHERIT,
  90         FONT_INHERIT,
  91         FONT_OFF,
  92         FONT_INHERIT);
  93
  94 FontInfo const ignore_font(
  95         IGNORE_FAMILY,
  96         IGNORE_SERIES,
  97         IGNORE_SHAPE,
  98         FONT_SIZE_IGNORE,
  99         Color_ignore,
 100         Color_ignore,
 101         FONT_IGNORE,
 102         FONT_IGNORE,
 103         FONT_IGNORE,
 104         FONT_IGNORE,
 105         FONT_IGNORE,
 106         FONT_IGNORE,
 107         FONT_IGNORE,
 108         FONT_IGNORE,
 109         FONT_IGNORE);
 110
 111
 112 FontInfo::FontInfo()
 113 {
 114         *this = sane_font;
 115 }
 116
 117
 118 /// Decreases font size_ by one
 119 FontInfo & FontInfo::decSize()
 120 {
 121         switch (size_) {
 122         case FONT_SIZE_HUGER:        size_ = FONT_SIZE_HUGE;     break;
 123         case FONT_SIZE_HUGE:         size_ = FONT_SIZE_LARGEST;  break;
 124         case FONT_SIZE_LARGEST:      size_ = FONT_SIZE_LARGER;   break;
 125         case FONT_SIZE_LARGER:       size_ = FONT_SIZE_LARGE;    break;
 126         case FONT_SIZE_LARGE:        size_ = FONT_SIZE_NORMAL;   break;
 127         case FONT_SIZE_NORMAL:       size_ = FONT_SIZE_SMALL;    break;
 128         case FONT_SIZE_SMALL:        size_ = FONT_SIZE_FOOTNOTE; break;
 129         case FONT_SIZE_FOOTNOTE:     size_ = FONT_SIZE_SCRIPT;   break;
 130         case FONT_SIZE_SCRIPT:       size_ = FONT_SIZE_TINY;     break;
 131         case FONT_SIZE_TINY:         break;
 132         case FONT_SIZE_INCREASE:
 133                 LYXERR0("Can't FontInfo::decSize on FONT_SIZE_INCREASE");
 134                 break;
 135         case FONT_SIZE_DECREASE:
 136                 LYXERR0("Can't FontInfo::decSize on FONT_SIZE_DECREASE");
 137                 break;
 138         case FONT_SIZE_INHERIT:
 139                 LYXERR0("Can't FontInfo::decSize on FONT_SIZE_INHERIT");
 140                 break;
 141         case FONT_SIZE_IGNORE:
 142                 LYXERR0("Can't FontInfo::decSize on FONT_SIZE_IGNORE");
 143                 break;
 144         }
 145         return *this;
 146 }
 147
 148
 149 /// Increases font size_ by one
 150 FontInfo & FontInfo::incSize()
 151 {
 152         switch (size_) {
 153         case FONT_SIZE_HUGER:   break;
 154         case FONT_SIZE_HUGE:         size_ = FONT_SIZE_HUGER;    break;
 155         case FONT_SIZE_LARGEST:      size_ = FONT_SIZE_HUGE;     break;
 156         case FONT_SIZE_LARGER:       size_ = FONT_SIZE_LARGEST;  break;
 157         case FONT_SIZE_LARGE:        size_ = FONT_SIZE_LARGER;   break;
 158         case FONT_SIZE_NORMAL:       size_ = FONT_SIZE_LARGE;    break;
 159         case FONT_SIZE_SMALL:        size_ = FONT_SIZE_NORMAL;   break;
 160         case FONT_SIZE_FOOTNOTE:     size_ = FONT_SIZE_SMALL;    break;
 161         case FONT_SIZE_SCRIPT:       size_ = FONT_SIZE_FOOTNOTE; break;
 162         case FONT_SIZE_TINY:         size_ = FONT_SIZE_SCRIPT;   break;
 163         case FONT_SIZE_INCREASE:
 164                 LYXERR0("Can't FontInfo::incSize on FONT_SIZE_INCREASE");
 165                 break;
 166         case FONT_SIZE_DECREASE:
 167                 LYXERR0("Can't FontInfo::incSize on FONT_SIZE_DECREASE");
 168                 break;
 169         case FONT_SIZE_INHERIT:
 170                 LYXERR0("Can't FontInfo::incSize on FONT_SIZE_INHERIT");
 171                 break;
 172         case FONT_SIZE_IGNORE:
 173                 LYXERR0("Can't FontInfo::incSize on FONT_SIZE_IGNORE");
 174                 break;
 175         }
 176         return *this;
 177 }
 178
 179
 180 double FontInfo::realSize() const
 181 {
 182         double d = convert<double>(lyxrc.font_sizes[size()]);
 183         // The following is according to the average of the values in the
 184         // definitions of \defaultscriptratio and \defaultscriptscriptratio in LaTeX
 185         // font packages. No attempt is made to implement the actual values from
 186         // \DefineMathSizes.
 187         switch (style()) {
 188         case LM_ST_DISPLAY:
 189         case LM_ST_TEXT:
 190                 break;
 191         case LM_ST_SCRIPT:
 192                 d *= .73;
 193                 break;
 194         case LM_ST_SCRIPTSCRIPT:
 195                 d *= .55;
 196                 break;
 197         }
 198         // Never go below the smallest size
 199         return max(d, convert<double>(lyxrc.font_sizes[FONT_SIZE_TINY]));
 200 }
 201
 202
 203 /// Reduce font to fall back to template where possible
 204 void FontInfo::reduce(FontInfo const & tmplt)
 205 {
 206         if (family_ == tmplt.family_)
 207                 family_ = INHERIT_FAMILY;
 208         if (series_ == tmplt.series_)
 209                 series_ = INHERIT_SERIES;
 210         if (shape_ == tmplt.shape_)
 211                 shape_ = INHERIT_SHAPE;
 212         if (size_ == tmplt.size_)
 213                 size_ = FONT_SIZE_INHERIT;
 214         if (emph_ == tmplt.emph_)
 215                 emph_ = FONT_INHERIT;
 216         if (underbar_ == tmplt.underbar_)
 217                 underbar_ = FONT_INHERIT;
 218         if (strikeout_ == tmplt.strikeout_)
 219                 strikeout_ = FONT_INHERIT;
 220         if (xout_ == tmplt.xout_)
 221                 xout_ = FONT_INHERIT;
 222         if (uuline_ == tmplt.uuline_)
 223                 uuline_ = FONT_INHERIT;
 224         if (uwave_ == tmplt.uwave_)
 225                 uwave_ = FONT_INHERIT;
 226         if (noun_ == tmplt.noun_)
 227                 noun_ = FONT_INHERIT;
 228         if (color_ == tmplt.color_)
 229                 color_ = Color_inherit;
 230         if (background_ == tmplt.background_)
 231                 background_ = Color_inherit;
 232         if (nospellcheck_ == tmplt.nospellcheck_)
 233                 nospellcheck_ = FONT_INHERIT;
 234 }
 235
 236
 237 /// Realize font from a template
 238 FontInfo & FontInfo::realize(FontInfo const & tmplt)
 239 {
 240         if ((*this) == inherit_font) {
 241                 operator=(tmplt);
 242                 return *this;
 243         }
 244
 245         if (family_ == INHERIT_FAMILY)
 246                 family_ = tmplt.family_;
 247
 248         if (series_ == INHERIT_SERIES)
 249                 series_ = tmplt.series_;
 250
 251         if (shape_ == INHERIT_SHAPE)
 252                 shape_ = tmplt.shape_;
 253
 254         if (size_ == FONT_SIZE_INHERIT)
 255                 size_ = tmplt.size_;
 256
 257         if (emph_ == FONT_INHERIT)
 258                 emph_ = tmplt.emph_;
 259
 260         if (underbar_ == FONT_INHERIT)
 261                 underbar_ = tmplt.underbar_;
 262
 263         if (strikeout_ == FONT_INHERIT)
 264                 strikeout_ = tmplt.strikeout_;
 265
 266         if (xout_ == FONT_INHERIT)
 267                 xout_ = tmplt.xout_;
 268
 269         if (uuline_ == FONT_INHERIT)
 270                 uuline_ = tmplt.uuline_;
 271
 272         if (uwave_ == FONT_INHERIT)
 273                 uwave_ = tmplt.uwave_;
 274
 275         if (noun_ == FONT_INHERIT)
 276                 noun_ = tmplt.noun_;
 277
 278         if (color_ == Color_inherit)
 279                 color_ = tmplt.color_;
 280
 281         if (background_ == Color_inherit)
 282                 background_ = tmplt.background_;
 283
 284         if (nospellcheck_ == FONT_INHERIT)
 285                 nospellcheck_ = tmplt.nospellcheck_;
 286
 287         return *this;
 288 }
 289
 290
 291 Changer FontInfo::changeColor(ColorCode const color)
 292 {
 293         return make_change(color_, color);
 294 }
 295
 296
 297 Changer FontInfo::changeShape(FontShape const shape)
 298 {
 299         return make_change(shape_, shape);
 300 }
 301
 302
 303 Changer FontInfo::changeStyle(MathStyle const new_style)
 304 {
 305         return make_change(style_, new_style);
 306 }
 307
 308
 309 Changer FontInfo::change(FontInfo font, bool realiz)
 310 {
 311         if (realiz)
 312                 font.realize(*this);
 313         return make_change(*this, font);
 314 }
 315
 316
 317 /// Updates a misc setting according to request
 318 static FontState setMisc(FontState newfont,
 319         FontState org)
 320 {
 321         if (newfont == FONT_TOGGLE) {
 322                 if (org == FONT_ON)
 323                         return FONT_OFF;
 324                 else if (org == FONT_OFF)
 325                         return FONT_ON;
 326                 else {
 327                         LYXERR0("Font::setMisc: Need state"
 328                                 " FONT_ON or FONT_OFF to toggle. Setting to FONT_ON");
 329                         return FONT_ON;
 330                 }
 331         } else if (newfont == FONT_IGNORE)
 332                 return org;
 333         else
 334                 return newfont;
 335 }
 336
 337 /// Updates font settings according to request
 338 void FontInfo::update(FontInfo const & newfont, bool toggleall)
 339 {
 340         if (newfont.family_ == family_ && toggleall)
 341                 setFamily(INHERIT_FAMILY); // toggle 'back'
 342         else if (newfont.family_ != IGNORE_FAMILY)
 343                 setFamily(newfont.family_);
 344         // else it's IGNORE_SHAPE
 345
 346         // "Old" behaviour: "Setting" bold will toggle bold on/off.
 347         switch (newfont.series_) {
 348         case BOLD_SERIES:
 349                 // We toggle...
 350                 if (series_ == BOLD_SERIES && toggleall)
 351                         setSeries(MEDIUM_SERIES);
 352                 else
 353                         setSeries(BOLD_SERIES);
 354                 break;
 355         case MEDIUM_SERIES:
 356         case INHERIT_SERIES:
 357                 setSeries(newfont.series_);
 358                 break;
 359         case IGNORE_SERIES:
 360                 break;
 361         }
 362
 363         if (newfont.shape_ == shape_ && toggleall)
 364                 shape_ = INHERIT_SHAPE; // toggle 'back'
 365         else if (newfont.shape_ != IGNORE_SHAPE)
 366                 shape_ = newfont.shape_;
 367         // else it's IGNORE_SHAPE
 368
 369         if (newfont.size_ != FONT_SIZE_IGNORE) {
 370                 if (newfont.size_ == FONT_SIZE_INCREASE)
 371                         incSize();
 372                 else if (newfont.size_ == FONT_SIZE_DECREASE)
 373                         decSize();
 374                 else
 375                         size_ = newfont.size_;
 376         }
 377
 378         setEmph(setMisc(newfont.emph_, emph_));
 379         setUnderbar(setMisc(newfont.underbar_, underbar_));
 380         setStrikeout(setMisc(newfont.strikeout_, strikeout_));
 381         setXout(setMisc(newfont.xout_, xout_));
 382         setUuline(setMisc(newfont.uuline_, uuline_));
 383         setUwave(setMisc(newfont.uwave_, uwave_));
 384         setNoun(setMisc(newfont.noun_, noun_));
 385         setNumber(setMisc(newfont.number_, number_));
 386         setNoSpellcheck(setMisc(newfont.nospellcheck_, nospellcheck_));
 387
 388         if (newfont.color_ == color_ && toggleall)
 389                 setColor(Color_inherit); // toggle 'back'
 390         else if (newfont.color_ != Color_ignore)
 391                 setColor(newfont.color_);
 392
 393         if (newfont.background_ == background_ && toggleall)
 394                 setBackground(Color_inherit); // toggle 'back'
 395         else if (newfont.background_ != Color_ignore)
 396                 setBackground(newfont.background_);
 397 }
 398
 399 /// Is font resolved?
 400 bool FontInfo::resolved() const
 401 {
 402         return (family_ != INHERIT_FAMILY && series_ != INHERIT_SERIES
 403                 && shape_ != INHERIT_SHAPE && size_ != FONT_SIZE_INHERIT
 404                 && emph_ != FONT_INHERIT && underbar_ != FONT_INHERIT
 405                 && uuline_ != FONT_INHERIT && uwave_ != FONT_INHERIT
 406                 && strikeout_ != FONT_INHERIT && xout_ != FONT_INHERIT
 407                 && noun_ != FONT_INHERIT && color_ != Color_inherit
 408                 && background_ != Color_inherit && nospellcheck_ != FONT_INHERIT);
 409 }
 410
 411
 412 Color FontInfo::realColor() const
 413 {
 414         if (paint_color_ != Color_none)
 415                 return paint_color_;
 416         if (color_ == Color_none)
 417                 return Color_foreground;
 418         return color_;
 419 }
 420
 421
 422 namespace {
 423
 424 void appendSep(string & s1, string const & s2)
 425 {
 426         if (s2.empty())
 427                 return;
 428         s1 += s1.empty() ? "" : "\n";
 429         s1 += s2;
 430 }
 431
 432
 433 string makeCSSTag(string const & key, string const & val)
 434 {
 435         return key + ": " + val + ";";
 436 }
 437
 438
 439 string getFamilyCSS(FontFamily const & f)
 440 {
 441         switch (f) {
 442         case ROMAN_FAMILY:
 443                 return "serif";
 444         case SANS_FAMILY:
 445                 return "sans-serif";
 446         case TYPEWRITER_FAMILY:
 447                 return "monospace";
 448         case SYMBOL_FAMILY:
 449         case CMR_FAMILY:
 450         case CMSY_FAMILY:
 451         case CMM_FAMILY:
 452         case CMEX_FAMILY:
 453         case MSA_FAMILY:
 454         case MSB_FAMILY:
 455         case EUFRAK_FAMILY:
 456         case RSFS_FAMILY:
 457         case STMARY_FAMILY:
 458         case WASY_FAMILY:
 459         case ESINT_FAMILY:
 460         case INHERIT_FAMILY:
 461         case IGNORE_FAMILY:
 462                 break;
 463         }
 464         return "";
 465 }
 466
 467
 468 string getSeriesCSS(FontSeries const & s)
 469 {
 470         switch (s) {
 471         case MEDIUM_SERIES:
 472                 return "normal";
 473         case BOLD_SERIES:
 474                 return "bold";
 475         case INHERIT_SERIES:
 476         case IGNORE_SERIES:
 477                 break;
 478         }
 479         return "";
 480 }
 481
 482
 483 string getShapeCSS(FontShape const & s)
 484 {
 485         string fs = "normal";
 486         string fv = "normal";
 487         switch (s) {
 488         case UP_SHAPE: break;
 489         case ITALIC_SHAPE: fs = "italic"; break;
 490         case SLANTED_SHAPE: fs = "oblique"; break;
 491         case SMALLCAPS_SHAPE: fv = "small-caps"; break;
 492         case IGNORE_SHAPE:
 493         case INHERIT_SHAPE:
 494                 fs = ""; fv = ""; break;
 495         }
 496         string retval;
 497         if (!fs.empty())
 498                 appendSep(retval, makeCSSTag("font-style", fs));
 499         if (!fv.empty())
 500                 appendSep(retval, makeCSSTag("font-variant", fv));
 501         return retval;
 502 }
 503
 504
 505 string getSizeCSS(FontSize const & s)
 506 {
 507         switch (s) {
 508         case FONT_SIZE_TINY:
 509                 return "xx-small";
 510         case FONT_SIZE_SCRIPT:
 511                 return "x-small";
 512         case FONT_SIZE_FOOTNOTE:
 513         case FONT_SIZE_SMALL:
 514                 return "small";
 515         case FONT_SIZE_NORMAL:
 516                 return "medium";
 517         case FONT_SIZE_LARGE:
 518                 return "large";
 519         case FONT_SIZE_LARGER:
 520         case FONT_SIZE_LARGEST:
 521                 return "x-large";
 522         case FONT_SIZE_HUGE:
 523         case FONT_SIZE_HUGER:
 524                 return "xx-large";
 525         case FONT_SIZE_INCREASE:
 526                 return "larger";
 527         case FONT_SIZE_DECREASE:
 528                 return "smaller";
 529         case FONT_SIZE_IGNORE:
 530         case FONT_SIZE_INHERIT:
 531                 break;
 532         }
 533         return "";
 534 }
 535
 536 } // namespace
 537
 538
 539 // FIXME This does not yet handle color
 540 docstring FontInfo::asCSS() const
 541 {
 542         string retval;
 543         string tmp = getFamilyCSS(family_);
 544         if (!tmp.empty())
 545                 appendSep(retval, makeCSSTag("font-family", tmp));
 546         tmp = getSeriesCSS(series_);
 547         if (!tmp.empty())
 548                 appendSep(retval, makeCSSTag("font-weight", tmp));
 549         appendSep(retval, getShapeCSS(shape_));
 550         tmp = getSizeCSS(size_);
 551         if (!tmp.empty())
 552                 appendSep(retval, makeCSSTag("font-size", tmp));
 553         return from_ascii(retval);
 554 }
 555
 556
 557 // Set family according to lyx format string
 558 void setLyXFamily(string const & fam, FontInfo & f)
 559 {
 560         string const s = ascii_lowercase(fam);
 561
 562         int i = 0;
 563         while (LyXFamilyNames[i] != s &&
 564                LyXFamilyNames[i] != string("error"))
 565                 ++i;
 566         if (s == LyXFamilyNames[i])
 567                 f.setFamily(FontFamily(i));
 568         else
 569                 LYXERR0("Unknown family `" << s << '\'');
 570 }
 571
 572
 573 // Set series according to lyx format string
 574 void setLyXSeries(string const & ser, FontInfo & f)
 575 {
 576         string const s = ascii_lowercase(ser);
 577
 578         int i = 0;
 579         while (LyXSeriesNames[i] != s &&
 580                LyXSeriesNames[i] != string("error")) ++i;
 581         if (s == LyXSeriesNames[i]) {
 582                 f.setSeries(FontSeries(i));
 583         } else
 584                 LYXERR0("Unknown series `" << s << '\'');
 585 }
 586
 587
 588 // Set shape according to lyx format string
 589 void setLyXShape(string const & sha, FontInfo & f)
 590 {
 591         string const s = ascii_lowercase(sha);
 592
 593         int i = 0;
 594         while (LyXShapeNames[i] != s && LyXShapeNames[i] != string("error"))
 595                         ++i;
 596         if (s == LyXShapeNames[i])
 597                 f.setShape(FontShape(i));
 598         else
 599                 LYXERR0("Unknown shape `" << s << '\'');
 600 }
 601
 602
 603 // Set size according to lyx format string
 604 void setLyXSize(string const & siz, FontInfo & f)
 605 {
 606         string const s = ascii_lowercase(siz);
 607         int i = 0;
 608         while (LyXSizeNames[i] != s && LyXSizeNames[i] != string("error"))
 609                 ++i;
 610         if (s == LyXSizeNames[i]) {
 611                 f.setSize(FontSize(i));
 612         } else
 613                 LYXERR0("Unknown size `" << s << '\'');
 614 }
 615
 616
 617 // Set size according to lyx format string
 618 FontState setLyXMisc(string const & siz)
 619 {
 620         string const s = ascii_lowercase(siz);
 621         int i = 0;
 622         while (LyXMiscNames[i] != s &&
 623                LyXMiscNames[i] != string("error")) ++i;
 624         if (s == LyXMiscNames[i])
 625                 return FontState(i);
 626         LYXERR0("Unknown misc flag `" << s << '\'');
 627         return FONT_OFF;
 628 }
 629
 630
 631 /// Sets color after LyX text format
 632 void setLyXColor(string const & col, FontInfo & f)
 633 {
 634         f.setColor(lcolor.getFromLyXName(col));
 635 }
 636
 637
 638 // Read a font definition from given file in lyx format
 639 // Used for layouts
 640 FontInfo lyxRead(Lexer & lex, FontInfo const & fi)
 641 {
 642         FontInfo f = fi;
 643         bool error = false;
 644         bool finished = false;
 645         while (!finished && lex.isOK() && !error) {
 646                 lex.next();
 647                 string const tok = ascii_lowercase(lex.getString());
 648
 649                 if (tok.empty()) {
 650                         continue;
 651                 } else if (tok == "endfont") {
 652                         finished = true;
 653                 } else if (tok == "family") {
 654                         lex.next();
 655                         string const ttok = lex.getString();
 656                         setLyXFamily(ttok, f);
 657                 } else if (tok == "series") {
 658                         lex.next();
 659                         string const ttok = lex.getString();
 660                         setLyXSeries(ttok, f);
 661                 } else if (tok == "shape") {
 662                         lex.next();
 663                         string const ttok = lex.getString();
 664                         setLyXShape(ttok, f);
 665                 } else if (tok == "size") {
 666                         lex.next();
 667                         string const ttok = lex.getString();
 668                         setLyXSize(ttok, f);
 669                 } else if (tok == "misc") {
 670                         lex.next();
 671                         string const ttok = ascii_lowercase(lex.getString());
 672
 673                         if (ttok == "no_bar") {
 674                                 f.setUnderbar(FONT_OFF);
 675                         } else if (ttok == "no_strikeout") {
 676                                 f.setStrikeout(FONT_OFF);
 677                         } else if (ttok == "no_xout") {
 678                                 f.setXout(FONT_OFF);
 679                         } else if (ttok == "no_uuline") {
 680                                 f.setUuline(FONT_OFF);
 681                         } else if (ttok == "no_uwave") {
 682                                 f.setUwave(FONT_OFF);
 683                         } else if (ttok == "no_emph") {
 684                                 f.setEmph(FONT_OFF);
 685                         } else if (ttok == "no_noun") {
 686                                 f.setNoun(FONT_OFF);
 687                         } else if (ttok == "emph") {
 688                                 f.setEmph(FONT_ON);
 689                         } else if (ttok == "underbar") {
 690                                 f.setUnderbar(FONT_ON);
 691                         } else if (ttok == "strikeout") {
 692                                 f.setStrikeout(FONT_ON);
 693                         } else if (ttok == "xout") {
 694                                 f.setXout(FONT_ON);
 695                         } else if (ttok == "uuline") {
 696                                 f.setUuline(FONT_ON);
 697                         } else if (ttok == "uwave") {
 698                                 f.setUwave(FONT_ON);
 699                         } else if (ttok == "noun") {
 700                                 f.setNoun(FONT_ON);
 701                         } else if (ttok == "nospellcheck") {
 702                                 f.setNoSpellcheck(FONT_ON);
 703                         } else if (ttok == "no_nospellcheck") {
 704                                 f.setNoSpellcheck(FONT_OFF);
 705                         } else {
 706                                 lex.printError("Illegal misc type");
 707                         }
 708                 } else if (tok == "color") {
 709                         lex.next();
 710                         string const ttok = lex.getString();
 711                         setLyXColor(ttok, f);
 712                 } else {
 713                         lex.printError("Unknown tag");
 714                         error = true;
 715                 }
 716         }
 717         return f;
 718 }
 719
 720
 721 void lyxWrite(ostream & os, FontInfo const & f, string const & start, int level)
 722 {
 723         string indent;
 724         for (int i = 0; i < level; ++i)
 725                 indent += '\t';
 726         ostringstream oss;
 727         if (f.family() != INHERIT_FAMILY)
 728                 oss << indent << "\tFamily " << LyXFamilyNames[f.family()]
 729                     << '\n';
 730         if (f.series() != INHERIT_SERIES)
 731                 oss << indent << "\tSeries " << LyXSeriesNames[f.series()]
 732                     << '\n';
 733         if (f.shape() != INHERIT_SHAPE)
 734                 oss << indent << "\tShape " << LyXShapeNames[f.shape()]
 735                     << '\n';
 736         if (f.size() != FONT_SIZE_INHERIT)
 737                 oss << indent << "\tSize " << LyXSizeNames[f.size()]
 738                     << '\n';
 739         if (f.underbar() == FONT_ON)
 740                 oss << indent << "\tMisc Underbar\n";
 741         else if (f.underbar() == FONT_OFF)
 742                 oss << indent << "\tMisc No_Bar\n";
 743         if (f.strikeout() == FONT_ON)
 744                 oss << indent << "\tMisc Strikeout\n";
 745         else if (f.strikeout() == FONT_OFF)
 746                 oss << indent << "\tMisc No_Strikeout\n";
 747         if (f.xout() == FONT_ON)
 748                 oss << indent << "\tMisc Xout\n";
 749         else if (f.xout() == FONT_OFF)
 750                 oss << indent << "\tMisc No_Xout\n";
 751         if (f.uuline() == FONT_ON)
 752                 oss << indent << "\tMisc Uuline\n";
 753         else if (f.uuline() == FONT_OFF)
 754                 oss << indent << "\tMisc No_Uuline\n";
 755         if (f.uwave() == FONT_ON)
 756                 oss << indent << "\tMisc Uwave\n";
 757         else if (f.uwave() == FONT_OFF)
 758                 oss << indent << "\tMisc No_Uwave\n";
 759         if (f.emph() == FONT_ON)
 760                 oss << indent << "\tMisc Emph\n";
 761         else if (f.emph() == FONT_OFF)
 762                 oss << indent << "\tMisc No_Emph\n";
 763         if (f.noun() == FONT_ON)
 764                 oss << indent << "\tMisc Noun\n";
 765         else if (f.noun() == FONT_OFF)
 766                 oss << indent << "\tMisc No_Noun\n";
 767         if (f.nospellcheck() == FONT_ON)
 768                 oss << indent << "\tMisc NoSpellcheck\n";
 769         else if (f.nospellcheck() == FONT_OFF)
 770                 oss << indent << "\tMisc No_NoSpellcheck\n";
 771         if (f.color() != Color_inherit && f.color() != Color_none)
 772                 oss << indent << "\tColor " << lcolor.getLyXName(f.color())
 773                     << '\n';
 774         if (!oss.str().empty()) {
 775                 os << indent << start << '\n'
 776                    << oss.str()
 777                    << indent << "EndFont\n";
 778         }
 779 }
 780
 781
 782 } // namespace lyx