1 /* This file is part of
2 * ======================================================
4 * LyX, The Document Processor
6 * Copyright (C) 1995 Matthias Ettrich
7 * Copyright (C) 1995-1999 The LyX Team.
9 * ======================================================*/
15 #pragma implementation "lyxfont.h"
20 #include "definitions.h"
26 #include "FontLoader.h"
27 #include "support/lstrings.h"
31 // The global fontloader
32 FontLoader fontloader;
38 string const GUIFamilyNames[6] =
39 { N_("Roman"), N_("Sans serif"), N_("Typewriter"), N_("Symbol"), N_("Inherit"),
42 string const GUISeriesNames[4] =
43 { N_("Medium"), N_("Bold"), N_("Inherit"), N_("Ignore") };
45 string const GUIShapeNames[6] =
46 { N_("Upright"), N_("Italic"), N_("Slanted"), N_("Smallcaps"), N_("Inherit"),
49 string const GUISizeNames[14] =
50 { N_("Tiny"), N_("Smallest"), N_("Smaller"), N_("Small"), N_("Normal"), N_("Large"),
51 N_("Larger"), N_("Largest"), N_("Huge"), N_("Huger"), N_("Increase"), N_("Decrease"),
52 N_("Inherit"), N_("Ignore") };
54 string const lGUISizeNames[15] =
55 { N_("tiny"), N_("smallest"), N_("smaller"), N_("small"), N_("normal"), N_("large"),
56 N_("larger"), N_("largest"), N_("huge"), N_("huger"), N_("increase"), N_("decrease"),
57 N_("inherit"), N_("ignore"), string() };
59 string const GUIMiscNames[5] =
60 { N_("Off"), N_("On"), N_("Toggle"), N_("Inherit"), N_("Ignore") };
62 string const GUIColorNames[13] =
63 { N_("None"), N_("Black"), N_("White"), N_("Red"), N_("Green"), N_("Blue"),
64 N_("Cyan"), N_("Magenta"),
65 N_("Yellow"), N_("Math"), N_("Inset"), N_("Inherit"), N_("Ignore") };
68 // Strings used to read and write .lyx format files
70 string const LyXFamilyNames[6] =
71 { "roman", "sans", "typewriter", "symbol", "default", "error" };
73 string const LyXSeriesNames[4] =
74 { "medium", "bold", "default", "error" };
76 string const LyXShapeNames[6] =
77 { "up", "italic", "slanted", "smallcaps", "default", "error" };
79 string const LyXSizeNames[14] =
80 { "tiny", "scriptsize", "footnotesize", "small", "normal", "large",
81 "larger", "largest", "huge", "giant",
82 "increase-error", "decrease-error", "default", "error" };
84 string const LyXMiscNames[12] =
85 { "off", "on", "toggle", "default", "error" };
87 string const LyXColorNames[13] =
88 { "none", "black", "white", "red", "green", "blue", "cyan", "magenta",
89 "yellow", "matherror", "inseterror", "default", "error" };
92 // Strings used to write LaTeX files
95 string const LaTeXFamilyNames[6] =
96 { "textrm", "textsf", "texttt", "error1", "error2", "error3" };
98 string const LaTeXSeriesNames[4] =
99 { "textmd", "textbf", "error4", "error5" };
101 string const LaTeXShapeNames[6] =
102 { "textup", "textit", "textsl", "textsc", "error6", "error7" };
104 string const LaTeXSizeNames[14] =
105 { "tiny", "scriptsize", "footnotesize", "small", "normalsize", "large",
106 "Large", "LARGE", "huge", "Huge", "error8", "error9", "error10", "error11" };
108 string const LaTeXColorNames[13] =
109 { "none", "black", "white", "red", "green", "blue", "cyan", "magenta",
110 "yellow", "error12", "error13", "error14", "error15" };
112 /// Decreases font size by one
113 LyXFont& LyXFont::decSize()
116 case SIZE_HUGER: setSize(SIZE_HUGE); break;
117 case SIZE_HUGE: setSize(SIZE_LARGEST); break;
118 case SIZE_LARGEST: setSize(SIZE_LARGER); break;
119 case SIZE_LARGER: setSize(SIZE_LARGE); break;
120 case SIZE_LARGE: setSize(SIZE_NORMAL); break;
121 case SIZE_NORMAL: setSize(SIZE_SMALL); break;
122 case SIZE_SMALL: setSize(SIZE_FOOTNOTE); break;
123 case SIZE_FOOTNOTE: setSize(SIZE_SCRIPT); break;
124 case SIZE_SCRIPT: setSize(SIZE_TINY); break;
125 case SIZE_TINY: break;
127 lyxerr << "Can't LyXFont::decSize on INCREASE_SIZE" << endl;
130 lyxerr <<"Can't LyXFont::decSize on DECREASE_SIZE" << endl;
133 lyxerr <<"Can't LyXFont::decSize on INHERIT_SIZE" << endl;
136 lyxerr <<"Can't LyXFont::decSize on IGNORE_SIZE" << endl;
143 /// Increases font size by one
144 LyXFont& LyXFont::incSize()
147 case SIZE_HUGER: break;
148 case SIZE_HUGE: setSize(SIZE_HUGER); break;
149 case SIZE_LARGEST: setSize(SIZE_HUGE); break;
150 case SIZE_LARGER: setSize(SIZE_LARGEST); break;
151 case SIZE_LARGE: setSize(SIZE_LARGER); break;
152 case SIZE_NORMAL: setSize(SIZE_LARGE); break;
153 case SIZE_SMALL: setSize(SIZE_NORMAL); break;
154 case SIZE_FOOTNOTE: setSize(SIZE_SMALL); break;
155 case SIZE_SCRIPT: setSize(SIZE_FOOTNOTE); break;
156 case SIZE_TINY: setSize(SIZE_SCRIPT); break;
158 lyxerr <<"Can't LyXFont::incSize on INCREASE_SIZE" << endl;
161 lyxerr <<"Can't LyXFont::incSize on DECREASE_SIZE" << endl;
164 lyxerr <<"Can't LyXFont::incSize on INHERIT_SIZE" << endl;
167 lyxerr <<"Can't LyXFont::incSize on IGNORE_SIZE" << endl;
174 /// Updates a misc setting according to request
175 LyXFont::FONT_MISC_STATE LyXFont::setMisc(FONT_MISC_STATE newfont,
178 if (newfont == TOGGLE) {
184 lyxerr <<"LyXFont::setMisc: Need state"
185 " ON or OFF to toggle. Setting to ON" << endl;
188 } else if (newfont == IGNORE)
195 /// Updates font settings according to request
196 void LyXFont::update(LyXFont const & newfont, bool toggleall)
198 if(newfont.family() == family() && toggleall)
199 setFamily(INHERIT_FAMILY); // toggle 'back'
200 else if (newfont.family() != IGNORE_FAMILY)
201 setFamily(newfont.family());
202 // else it's IGNORE_SHAPE
204 // "Old" behaviour: "Setting" bold will toggle bold on/off.
205 switch (newfont.series()) {
208 if (series() == BOLD_SERIES && toggleall)
209 setSeries(MEDIUM_SERIES);
211 setSeries(BOLD_SERIES);
215 setSeries(newfont.series());
221 if(newfont.shape() == shape() && toggleall)
222 setShape(INHERIT_SHAPE); // toggle 'back'
223 else if (newfont.shape() != IGNORE_SHAPE)
224 setShape(newfont.shape());
225 // else it's IGNORE_SHAPE
227 if (newfont.size() != IGNORE_SIZE) {
228 if (newfont.size() == INCREASE_SIZE)
230 else if (newfont.size() == DECREASE_SIZE)
232 else if (newfont.size() == size() && toggleall)
233 setSize(INHERIT_SIZE); // toggle 'back'
235 setSize(newfont.size());
238 setEmph(setMisc(newfont.emph(), emph()));
239 setUnderbar(setMisc(newfont.underbar(), underbar()));
240 setNoun(setMisc(newfont.noun(), noun()));
241 setLatex(setMisc(newfont.latex(), latex()));
243 if(newfont.color() == color() && toggleall)
244 setColor(INHERIT_COLOR); // toggle 'back'
245 else if (newfont.color() != IGNORE_COLOR)
246 setColor(newfont.color());
250 /// Reduce font to fall back to template where possible
251 void LyXFont::reduce(LyXFont const & tmplt)
253 if (family() == tmplt.family())
254 setFamily(INHERIT_FAMILY);
255 if (series() == tmplt.series())
256 setSeries(INHERIT_SERIES);
257 if (shape() == tmplt.shape())
258 setShape(INHERIT_SHAPE);
259 if (size() == tmplt.size())
260 setSize(INHERIT_SIZE);
261 if (emph() == tmplt.emph())
263 if (underbar() == tmplt.underbar())
264 setUnderbar(INHERIT);
265 if (noun() == tmplt.noun())
267 if (latex() == tmplt.latex())
269 if (color() == tmplt.color())
270 setColor(INHERIT_COLOR);
274 /// Realize font from a template
275 // This one is not pretty, but it's extremely fast (Asger)
276 LyXFont & LyXFont::realize(LyXFont const & tmplt)
278 if (bits == inherit) {
283 if ((bits & (Fam_Mask<<Fam_Pos)) == (ui32(INHERIT_FAMILY)<<Fam_Pos))
285 bits &= ~(Fam_Mask << Fam_Pos);
286 bits |= (tmplt.bits & Fam_Mask << Fam_Pos);
288 if ((bits & (Ser_Mask<<Ser_Pos)) == (ui32(INHERIT_SERIES)<<Ser_Pos))
290 bits &= ~(Ser_Mask << Ser_Pos);
291 bits |= (tmplt.bits & Ser_Mask << Ser_Pos);
293 if ((bits & (Sha_Mask << Sha_Pos)) == ui32(INHERIT_SHAPE) << Sha_Pos)
295 bits &= ~(Sha_Mask << Sha_Pos);
296 bits |= (tmplt.bits & Sha_Mask << Sha_Pos);
298 if ((bits & (Siz_Mask << Siz_Pos)) == ui32(INHERIT_SIZE) << Siz_Pos)
300 bits &= ~(Siz_Mask << Siz_Pos);
301 bits |= (tmplt.bits & Siz_Mask << Siz_Pos);
303 if ((bits & (Misc_Mask << Emp_Pos)) == ui32(INHERIT) << Emp_Pos)
305 bits &= ~(Misc_Mask << Emp_Pos);
306 bits |= (tmplt.bits & Misc_Mask << Emp_Pos);
308 if ((bits & (Misc_Mask << Und_Pos)) == ui32(INHERIT) << Und_Pos)
310 bits &= ~(Misc_Mask << Und_Pos);
311 bits |= (tmplt.bits & Misc_Mask << Und_Pos);
313 if ((bits & (Misc_Mask << Nou_Pos)) == ui32(INHERIT) << Nou_Pos)
315 bits &= ~(Misc_Mask << Nou_Pos);
316 bits |= (tmplt.bits & Misc_Mask << Nou_Pos);
318 if ((bits & (Misc_Mask << Lat_Pos)) == ui32(INHERIT) << Lat_Pos)
320 bits &= ~(Misc_Mask << Lat_Pos);
321 bits |= (tmplt.bits & Misc_Mask << Lat_Pos);
323 if ((bits & (Col_Mask << Col_Pos)) == ui32(INHERIT_COLOR) << Col_Pos)
325 bits &= ~(Col_Mask << Col_Pos);
326 bits |= (tmplt.bits & Col_Mask << Col_Pos);
332 /// Is font resolved?
333 bool LyXFont::resolved() const
335 return (family() != INHERIT_FAMILY && series() != INHERIT_SERIES &&
336 shape() != INHERIT_SHAPE && size() != INHERIT_SIZE &&
337 emph() != INHERIT && underbar() != INHERIT &&
338 noun() != INHERIT && latex() != INHERIT &&
339 color() != INHERIT_COLOR);
342 /// Build GUI description of font state
343 string LyXFont::stateText() const
346 if (family() != INHERIT_FAMILY)
347 buf += string(_(GUIFamilyNames[family()].c_str())) + ", ";
348 if (series() != INHERIT_SERIES)
349 buf += string(_(GUISeriesNames[series()].c_str())) + ", ";
350 if (shape() != INHERIT_SHAPE)
351 buf += string(_(GUIShapeNames[shape()].c_str())) + ", ";
352 if (size() != INHERIT_SIZE)
353 buf += string(_(GUISizeNames[size()].c_str())) + ", ";
354 if (color() != INHERIT_COLOR)
355 buf += string(_(GUIColorNames[color()].c_str())) + ", ";
357 if (emph() != INHERIT)
358 buf += string(_("Emphasis ")) + _(GUIMiscNames[emph()].c_str()) + ", ";
359 if (underbar() != INHERIT)
360 buf += string(_("Underline ")) + _(GUIMiscNames[underbar()].c_str()) + ", ";
361 if (noun() != INHERIT)
362 buf += string(_("Noun ")) + _(GUIMiscNames[noun()].c_str()) + ", ";
363 if (latex() != INHERIT)
364 buf += string(_("Latex ")) + _(GUIMiscNames[latex()].c_str()) + ", ";
367 buf = strip(buf, ' ');
368 buf = strip(buf, ',');
373 // Set family according to lyx format string
374 LyXFont& LyXFont::setLyXFamily(string const & fam)
376 string s = lowercase(fam);
379 while (s != LyXFamilyNames[i] && LyXFamilyNames[i] != "error") i++;
380 if (s == LyXFamilyNames[i]) {
381 setFamily(LyXFont::FONT_FAMILY(i));
383 lyxerr << "LyXFont::setLyXFamily: Unknown family `"
384 << s << '\'' << endl;
389 // Set series according to lyx format string
390 LyXFont& LyXFont::setLyXSeries(string const & ser)
392 string s = lowercase(ser);
395 while (s != LyXSeriesNames[i] && LyXSeriesNames[i] != "error") i++;
396 if (s == LyXSeriesNames[i]) {
397 setSeries(LyXFont::FONT_SERIES(i));
399 lyxerr << "LyXFont::setLyXSeries: Unknown series `"
400 << s << '\'' << endl;
405 // Set shape according to lyx format string
406 LyXFont& LyXFont::setLyXShape(string const & sha)
408 string s = lowercase(sha);
411 while (s != LyXShapeNames[i] && LyXShapeNames[i] != "error") i++;
412 if (s == LyXShapeNames[i]) {
413 setShape(LyXFont::FONT_SHAPE(i));
415 lyxerr << "LyXFont::setLyXShape: Unknown shape `"
416 << s << '\'' << endl;
421 // Set size according to lyx format string
422 LyXFont& LyXFont::setLyXSize(string const & siz)
424 string s = lowercase(siz);
426 while (s != LyXSizeNames[i] && LyXSizeNames[i] != "error") i++;
427 if (s == LyXSizeNames[i]) {
428 setSize(LyXFont::FONT_SIZE(i));
430 lyxerr << "LyXFont::setLyXSize: Unknown size `"
431 << s << '\'' << endl;
435 // Set size according to lyx format string
436 LyXFont::FONT_MISC_STATE LyXFont::setLyXMisc(string const & siz)
438 string s = lowercase(siz);
440 while (s != LyXMiscNames[i] && LyXMiscNames[i] != "error") i++;
441 if (s == LyXMiscNames[i])
442 return FONT_MISC_STATE(i);
443 lyxerr << "LyXFont::setLyXMisc: Unknown misc flag `"
444 << s << '\'' << endl;
448 /// Sets color after LyX text format
449 LyXFont& LyXFont::setLyXColor(string const & col)
451 string s = lowercase(col);
453 while (s != LyXColorNames[i] && LyXColorNames[i] != "error") i++;
454 if (s == LyXColorNames[i]) {
455 setColor(LyXFont::FONT_COLOR(i));
457 lyxerr << "LyXFont::setLyXColor: Unknown Color `"
458 << s << '\'' << endl;
463 /// Sets size after GUI name
464 LyXFont& LyXFont::setGUISize(string const & siz)
466 string s = lowercase(siz);
468 while (!lGUISizeNames[i].empty() &&
469 s != _(lGUISizeNames[i].c_str()))
471 if (s == _(lGUISizeNames[i].c_str())) {
472 setSize(LyXFont::FONT_SIZE(i));
474 lyxerr << "LyXFont::setGUISize: Unknown Size `"
475 << s << '\'' << endl;
480 // Returns size in latex format
481 string LyXFont::latexSize() const
483 return LaTeXSizeNames[size()];
487 // Read a font definition from given file in lyx format
489 LyXFont & LyXFont::lyxRead(LyXLex & lex)
492 bool finished = false;
493 while (!finished && lex.IsOK() && !error) {
495 string tok = lowercase(lex.GetString());
499 } else if (tok == "endfont") {
501 } else if (tok == "family") {
503 string tok = lex.GetString();
505 } else if (tok == "series") {
507 string tok = lex.GetString();
509 } else if (tok == "shape") {
511 string tok = lex.GetString();
513 } else if (tok == "size") {
515 string tok = lex.GetString();
517 } else if (tok == "latex") {
519 string tok = lowercase(lex.GetString());
521 if (tok == "no_latex") {
523 } else if (tok == "latex") {
526 lex.printError("Illegal LaTeX type`$$Token'");
528 } else if (tok == "misc") {
530 string tok = lowercase(lex.GetString());
532 if (tok == "no_bar") {
534 } else if (tok == "no_emph") {
536 } else if (tok == "no_noun") {
538 } else if (tok == "emph") {
540 } else if (tok == "underbar") {
542 } else if (tok == "noun") {
545 lex.printError("Illegal misc type `$$Token´");
547 } else if (tok == "color") {
549 string tok = lex.GetString();
552 lex.printError("Unknown tag `$$Token'");
560 /// Writes the changes from this font to orgfont in .lyx format in file
561 void LyXFont::lyxWriteChanges(LyXFont const & orgfont, FILE * file) const
564 if (orgfont.family() != family()) {
565 fprintf(file, "\\family %s \n",
566 LyXFamilyNames[family()].c_str());
568 if (orgfont.series() != series()) {
569 fprintf(file, "\\series %s \n",
570 LyXSeriesNames[series()].c_str());
572 if (orgfont.shape() != shape()) {
573 fprintf(file, "\\shape %s \n", LyXShapeNames[shape()].c_str());
575 if (orgfont.size() != size()) {
576 fprintf(file, "\\size %s \n", LyXSizeNames[size()].c_str());
578 if (orgfont.emph() != emph()) {
579 fprintf(file, "\\emph %s \n", LyXMiscNames[emph()].c_str());
581 if (orgfont.underbar() != underbar()) {
582 // This is only for backwards compatibility
583 switch (underbar()) {
584 case OFF: fprintf(file, "\\bar no \n"); break;
585 case ON: fprintf(file, "\\bar under \n"); break;
586 case TOGGLE: lyxerr << "LyXFont::lyxWriteFontChanges: "
587 "TOGGLE should not appear here!"
590 case INHERIT: fprintf(file, "\\bar default \n"); break;
591 case IGNORE: lyxerr << "LyXFont::lyxWriteFontChanges: "
592 "IGNORE should not appear here!"
597 if (orgfont.noun() != noun()) {
598 fprintf(file, "\\noun %s \n", LyXMiscNames[noun()].c_str());
600 if (orgfont.latex() != latex()) {
601 // This is only for backwards compatibility
603 case OFF: fprintf(file, "\\latex no_latex \n"); break;
604 case ON: fprintf(file, "\\latex latex \n"); break;
605 case TOGGLE: lyxerr << "LyXFont::lyxWriteFontChanges: "
606 "TOGGLE should not appear here!"
609 case INHERIT: fprintf(file, "\\latex default \n"); break;
610 case IGNORE: lyxerr << "LyXFont::lyxWriteFontChanges: "
611 "IGNORE should not appear here!"
616 if (orgfont.color() != color()) {
617 fprintf(file, "\\color %s\n", LyXColorNames[color()].c_str());
622 /// Writes the head of the LaTeX needed to impose this font
623 // Returns number of chars written.
624 int LyXFont::latexWriteStartChanges(FILE * file, LyXFont const & base) const
627 int count = latexWriteStartChanges(font, base);
628 fprintf(file, "%s", font.c_str());
633 /// Writes the head of the LaTeX needed to impose this font
634 // Returns number of chars written.
635 int LyXFont::latexWriteStartChanges(string & file, LyXFont const & base) const
640 if (f.bits == inherit)
646 if (f.family() != INHERIT_FAMILY) {
648 file += LaTeXFamilyNames[f.family()];
650 count += LaTeXFamilyNames[f.family()].length() + 2;
651 env = true; //We have opened a new environment
653 if (f.series() != INHERIT_SERIES) {
655 file += LaTeXSeriesNames[f.series()];
657 count += LaTeXSeriesNames[f.series()].length() + 2;
658 env = true; //We have opened a new environment
660 if (f.shape() != INHERIT_SHAPE) {
662 file += LaTeXShapeNames[f.shape()];
664 count += LaTeXShapeNames[f.shape()].length() + 2;
665 env = true; //We have opened a new environment
667 if (f.color() != INHERIT_COLOR) {
668 file += "\\textcolor{";
669 file += LaTeXColorNames[f.color()];
671 count += LaTeXColorNames[f.color()].length() + 13;
672 env = true; //We have opened a new environment
674 if (f.emph() == ON) {
677 env = true; //We have opened a new environment
679 if (f.underbar() == ON) {
680 file += "\\underbar{";
682 env = true; //We have opened a new environment
684 // \noun{} is a LyX special macro
685 if (f.noun() == ON) {
688 env = true; //We have opened a new environment
690 if (f.size() != INHERIT_SIZE) {
691 // If we didn't open an environment above, we open one here
697 file += LaTeXSizeNames[f.size()];
699 count += LaTeXSizeNames[f.size()].length() + 2;
705 /// Writes ending block of LaTeX needed to close use of this font
706 // Returns number of chars written
707 // This one corresponds to latexWriteStartChanges(). (Asger)
708 int LyXFont::latexWriteEndChanges(FILE * file, LyXFont const & base) const
711 int count = latexWriteEndChanges(ending, base);
712 fprintf(file, "%s", ending.c_str());
717 /// Writes ending block of LaTeX needed to close use of this font
718 // Returns number of chars written
719 // This one corresponds to latexWriteStartChanges(). (Asger)
720 int LyXFont::latexWriteEndChanges(string & file, LyXFont const & base) const
722 LyXFont f = *this; // why do you need this?
723 f.reduce(base); // why isn't this just "reduce(base);" (Lgb)
724 // Because this function is const. Everything breaks if this
725 // method changes the font it represents. There is no speed penalty
726 // by using the temporary. (Asger)
728 if (f.bits == inherit)
733 if (f.family() != INHERIT_FAMILY) {
736 env = true; // Size change need not bother about closing env.
738 if (f.series() != INHERIT_SERIES) {
741 env = true; // Size change need not bother about closing env.
743 if (f.shape() != INHERIT_SHAPE) {
746 env = true; // Size change need not bother about closing env.
748 if (f.color() != INHERIT_COLOR) {
751 env = true; // Size change need not bother about closing env.
753 if (f.emph() == ON) {
756 env = true; // Size change need not bother about closing env.
758 if (f.underbar() == ON) {
761 env = true; // Size change need not bother about closing env.
763 if (f.noun() == ON) {
766 env = true; // Size change need not bother about closing env.
768 if (f.size() != INHERIT_SIZE) {
769 // We only have to close if only size changed
780 // Convert logical attributes to concrete shape attribute
781 LyXFont::FONT_SHAPE LyXFont::realShape() const
783 register FONT_SHAPE s = shape();
797 GC LyXFont::getGC() const
801 gc = ::getGC(gc_latex);
804 gc = ::getGC(gc_copy);
805 else if (color() == MATH)
806 gc = ::getGC(gc_math);
807 else if (color() == INSET)
808 gc = ::getGC(gc_foot);
810 gc = ::GetColorGC(color());
813 XSetFont(fl_display, gc, getXFontstruct()->fid);
818 XFontStruct* LyXFont::getXFontstruct() const
820 return fontloader.load(family(),series(),realShape(),size());
824 int LyXFont::maxAscent() const
826 return getXFontstruct()->ascent;
830 int LyXFont::maxDescent() const
832 return getXFontstruct()->descent;
836 int LyXFont::ascent(char c) const
838 XFontStruct *finfo = getXFontstruct();
840 && (unsigned int) c >= finfo->min_char_or_byte2
841 && (unsigned int) c <= finfo->max_char_or_byte2) {
842 unsigned int index = (unsigned int) c - finfo->min_char_or_byte2;
843 return finfo->per_char[index].ascent;
845 return finfo->ascent;
849 int LyXFont::descent(char c) const
851 XFontStruct *finfo = getXFontstruct();
853 && (unsigned int) c >= finfo->min_char_or_byte2
854 && (unsigned int) c <= finfo->max_char_or_byte2) {
855 unsigned int index = (unsigned int) c - finfo->min_char_or_byte2;
856 return finfo->per_char[index].descent;
858 return finfo->descent;
862 // Specialized after profiling. (Asger)
863 int LyXFont::width(char c) const
865 if (realShape() != LyXFont::SMALLCAPS_SHAPE){
866 return XTextWidth(getXFontstruct(), &c, 1);
868 return textWidth(&c, 1);
873 int LyXFont::textWidth(char const *s, int n) const
875 if (realShape() != LyXFont::SMALLCAPS_SHAPE){
876 return XTextWidth(getXFontstruct(), s, n);
878 // emulate smallcaps since X doesn't support this
879 unsigned int result = 0;
881 LyXFont smallfont = *this;
884 smallfont.setShape(LyXFont::UP_SHAPE);
885 for (int i=0; i < n; i++){
887 if (islower((unsigned char) c)){
888 c = toupper( (unsigned char) c );
889 result += XTextWidth(smallfont.getXFontstruct(), &c, 1);
891 result += XTextWidth(getXFontstruct(), &c, 1);
899 int LyXFont::stringWidth(string const & s) const
901 if (s.empty()) return 0;
902 return textWidth(s.c_str(), s.length());
905 int LyXFont::signedStringWidth(string const & s) const
907 if (s.empty()) return 0;
908 if (s.c_str()[0] == '-')
909 return -textWidth(s.c_str()+1, s.length()-1);
911 return textWidth(s.c_str(), s.length());
915 int LyXFont::drawText(char const* s, int n, Pixmap pm,
916 int baseline, int x) const
918 if (realShape() != LyXFont::SMALLCAPS_SHAPE) {
919 XDrawString(fl_display,
925 return XTextWidth(getXFontstruct(), s, n);
928 // emulate smallcaps since X doesn't support this
932 LyXFont smallfont = *this;
935 smallfont.setShape(LyXFont::UP_SHAPE);
936 for (i=0; i < n; i++){
938 if (islower((unsigned char) c)){
939 c = toupper((unsigned char) c);
940 XDrawString(fl_display,
945 x += XTextWidth(smallfont.getXFontstruct(), &c, 1);
948 XDrawString(fl_display,
953 x += XTextWidth(getXFontstruct(), &c, 1);
962 int LyXFont::drawString(string const &s, Pixmap pm, int baseline, int x) const
964 return drawText(s.c_str(), s.length(), pm, baseline, x);
968 bool LyXFont::equalExceptLatex(LyXFont const &f) const
971 f1.setLatex(f.latex());
975 ostream & operator<<(ostream & o, LyXFont::FONT_MISC_STATE fms)
977 return o << int(fms);