src/Color.cpp

   1 /**
   2  * \file Color.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Matthias Ettrich
   9  * \author Jean-Marc Lasgouttes
  10  * \author John Levon
  11  * \author André Pönitz
  12  * \author Martin Vermeer
  13  *
  14  * Full author contact details are available in file CREDITS.
  15  */
  16
  17 #include <config.h>
  18
  19 #include "Color.h"
  20 #include "ColorSet.h"
  21
  22 #include "support/convert.h"
  23 #include "support/debug.h"
  24 #include "support/gettext.h"
  25 #include "support/lstrings.h"
  26 #include "support/lassert.h"
  27
  28 #include <map>
  29 #include <cmath>
  30 #include <sstream>
  31 #include <iomanip>
  32
  33
  34 using namespace std;
  35 using namespace lyx::support;
  36
  37 namespace lyx {
  38
  39
  40 struct ColorSet::ColorEntry {
  41         ColorCode lcolor;
  42         char const * guiname;
  43         char const * latexname;
  44         char const * x11hexname;
  45         char const * x11darkhexname;
  46         char const * lyxname;
  47 };
  48
  49
  50 static int hexstrToInt(string const & str)
  51 {
  52         int val = 0;
  53         istringstream is(str);
  54         is >> setbase(16) >> val;
  55         return val;
  56 }
  57
  58
  59 /////////////////////////////////////////////////////////////////////
  60 //
  61 // RGBColor
  62 //
  63 /////////////////////////////////////////////////////////////////////
  64
  65
  66 string const X11hexname(RGBColor const & col)
  67 {
  68         ostringstream ostr;
  69
  70         ostr << '#' << setbase(16) << setfill('0')
  71              << setw(2) << col.r
  72              << setw(2) << col.g
  73              << setw(2) << col.b;
  74
  75         return ostr.str();
  76 }
  77
  78
  79 RGBColor rgbFromHexName(string const & x11hexname)
  80 {
  81         RGBColor c;
  82         LASSERT(x11hexname.size() == 7 && x11hexname[0] == '#',
  83                 return c);
  84         c.r = hexstrToInt(x11hexname.substr(1, 2));
  85         c.g = hexstrToInt(x11hexname.substr(3, 2));
  86         c.b = hexstrToInt(x11hexname.substr(5, 2));
  87         return c;
  88 }
  89
  90
  91 string const outputLaTeXColor(RGBColor const & color)
  92 {
  93         // this routine returns a LaTeX readable color string in the form
  94         // "red, green, blue" where the colors are a number in the range 0-1
  95         int red = color.r;
  96         int green = color.g;
  97         int blue = color.b;
  98 #ifdef USE_CORRECT_RGB_CONVERSION
  99         int const scale = 255;
 100 #else
 101         // the color values are given in the range of 0-255, so to get
 102         // an output of "0.5" for the value 127 we need to do the following
 103         // FIXME: This is wrong, since it creates a nonlinear mapping:
 104         //        There is a gap between 0/256 and 2/256!
 105         //        0.5 cannot be represented in 8bit hex RGB, it would be 127.5.
 106         if (red != 0)
 107                 ++red;
 108         if (green != 0)
 109                 ++green;
 110         if (blue != 0)
 111                 ++blue;
 112         int const scale = 256;
 113 #endif
 114         string output;
 115         output = convert<string>(float(red) / scale) + ", "
 116                          + convert<string>(float(green) / scale) + ", "
 117                          + convert<string>(float(blue) / scale);
 118         return output;
 119 }
 120
 121
 122 RGBColor const RGBColorFromLaTeX(string const & color)
 123 {
 124         vector<string> rgb = getVectorFromString(color);
 125         while (rgb.size() < 3)
 126                 rgb.push_back("0");
 127         RGBColor c;
 128         for (int i = 0; i < 3; ++i) {
 129                 rgb[i] = trim(rgb[i]);
 130                 if (!isStrDbl(rgb[i]))
 131                         return c;
 132         }
 133 #ifdef USE_CORRECT_RGB_CONVERSION
 134         int const scale = 255;
 135 #else
 136         // FIXME: This is wrong, since it creates a nonlinear mapping:
 137         //        Both 0/256 and 1/256 are mapped to 0!
 138         //        The wrong code exists only to match outputLaTeXColor().
 139         int const scale = 256;
 140 #endif
 141         c.r = static_cast<unsigned int>(scale * convert<double>(rgb[0]) + 0.5);
 142         c.g = static_cast<unsigned int>(scale * convert<double>(rgb[1]) + 0.5);
 143         c.b = static_cast<unsigned int>(scale * convert<double>(rgb[2]) + 0.5);
 144 #ifndef USE_CORRECT_RGB_CONVERSION
 145         if (c.r != 0)
 146                 c.r--;
 147         if (c.g != 0)
 148                 c.g--;
 149         if (c.b != 0)
 150                 c.b--;
 151 #endif
 152         return c;
 153 }
 154
 155
 156 RGBColor const inverseRGBColor(RGBColor color)
 157 {
 158         color.r = 255 - color.r;
 159         color.g = 255 - color.g;
 160         color.b = 255 - color.b;
 161
 162         return color;
 163 }
 164
 165
 166 Color::Color(ColorCode base_color) : baseColor(base_color),
 167         mergeColor(Color_ignore)
 168 {}
 169
 170
 171 bool Color::operator==(Color const & color) const
 172 {
 173         return baseColor == color.baseColor;
 174 }
 175
 176
 177 bool Color::operator!=(Color const & color) const
 178 {
 179         return baseColor != color.baseColor;
 180 }
 181
 182
 183 bool Color::operator<(Color const & color) const
 184 {
 185         return baseColor < color.baseColor;
 186 }
 187
 188
 189 bool Color::operator<=(Color const & color) const
 190 {
 191         return baseColor <= color.baseColor;
 192 }
 193
 194
 195 std::ostream & operator<<(std::ostream & os, Color color)
 196 {
 197         os << to_ascii(lcolor.getGUIName(color.baseColor));
 198         if (color.mergeColor != Color_ignore)
 199                 os << "[merged with:"
 200                         << to_ascii(lcolor.getGUIName(color.mergeColor)) << "]";
 201         return os;
 202 }
 203
 204
 205 ColorSet::ColorSet()
 206 {
 207         char const * grey40 = "#666666";
 208         char const * grey60 = "#999999";
 209         char const * grey80 = "#cccccc";
 210         // latex colors (xcolor package)
 211         char const * black = "#000000";
 212         char const * white = "#ffffff";
 213         char const * blue = "#0000ff";
 214         char const * brown = "#bf8040";
 215         char const * cyan = "#00ffff";
 216         char const * darkgray = "#404040";
 217         char const * gray = "#808080";
 218         char const * green = "#00ff00";
 219         char const * lightgray = "#bfbfbf";
 220         char const * lime = "#bfff00";
 221         char const * magenta = "#ff00ff";
 222         char const * olive = "#808000";
 223         char const * orange = "#ff8000";
 224         char const * pink = "#ffbfbf";
 225         char const * purple = "#bf0040";
 226         char const * red = "#ff0000";
 227         char const * teal = "#008080";
 228         char const * violet = "#800080";
 229         char const * yellow = "#ffff00";
 230         // svg colors
 231         char const * Brown = "#a52a2a";
 232         char const * DarkRed = "#8b0000";
 233         char const * Green = "#008000";
 234         char const * IndianRed = "#cd5c5c";
 235         char const * Linen = "#faf0e6";
 236         char const * RoyalBlue = "#4169e1";
 237
 238         //char const * grey90 = "#e5e5e5";
 239         //  ColorCode, gui, latex, x11hexname, x11darkhexname, lyx
 240         // Warning: several of these entries are overridden in GuiApplication constructor
 241         // lyx color names are collected for users in Customization manual (B.# Dynamic colors)
 242         static ColorEntry const items[] = {
 243         { Color_none, N_("none"), "none", black, black, "none" },
 244         { Color_black, N_("black"), "black", black, black, "black" },
 245         { Color_white, N_("white"), "white", white, white, "white" },
 246         { Color_blue, N_("blue"), "blue", blue, blue, "blue" },
 247         { Color_brown, N_("brown"), "brown", brown, brown, "brown" },
 248         { Color_cyan, N_("cyan"), "cyan", cyan, cyan, "cyan" },
 249         { Color_darkgray, N_("darkgray"), "darkgray", darkgray, darkgray, "darkgray" },
 250         { Color_gray, N_("gray"), "gray", gray, gray, "gray" },
 251         { Color_green, N_("green"), "green", green, green, "green" },
 252         { Color_lightgray, N_("lightgray"), "lightgray", lightgray, lightgray, "lightgray" },
 253         { Color_lime, N_("lime"), "lime", lime, lime, "lime" },
 254         { Color_magenta, N_("magenta"), "magenta", magenta, magenta, "magenta" },
 255         { Color_olive, N_("olive"), "olive", olive, olive, "olive" },
 256         { Color_orange, N_("orange"), "orange", orange, orange, "orange" },
 257         { Color_pink, N_("pink"), "pink", pink, pink, "pink" },
 258         { Color_purple, N_("purple"), "purple", purple, purple, "purple" },
 259         { Color_red, N_("red"), "red", red, red, "red" },
 260         { Color_teal, N_("teal"), "teal", teal, teal, "teal" },
 261         { Color_violet, N_("violet"), "violet", violet, violet, "violet" },
 262         { Color_yellow, N_("yellow"), "yellow", yellow, yellow, "yellow" },
 263         { Color_cursor, N_("cursor"), "cursor", black, Linen, "cursor" },
 264         { Color_background, N_("background"), "background", Linen, black, "background" },
 265         { Color_foreground, N_("text"), "foreground", black, Linen, "foreground" },
 266         { Color_selection, N_("selection"), "selection", "#add8e6", "#add8e6", "selection" },
 267         { Color_selectionmath, N_("selected math"), "selectionmath", "#00008B", "#00008B", "selectionmath" },
 268         { Color_selectiontext, N_("selected text"), "selectiontext", black, black, "selectiontext" },
 269         { Color_latex, N_("LaTeX text"), "latex", DarkRed, "#D66613", "latex" },
 270         { Color_textlabel1, N_("Text label 1"), "textlabel1", blue, "#86a4ff", "textlabel1" },
 271         { Color_textlabel2, N_("Text label 2"), "textlabel2", Green, green, "textlabel2" },
 272         { Color_textlabel3, N_("Text label 3"), "textlabel3", magenta, magenta, "textlabel3" },
 273         { Color_inlinecompletion, N_("inline completion"),
 274                 "inlinecompletion", grey60, grey40, "inlinecompletion" },
 275         { Color_nonunique_inlinecompletion, N_("inline completion (non-unique)"),
 276                 "nonuniqueinlinecompletion", grey80, grey60, "nonuniqueinlinecompletion" },
 277         { Color_preview, N_("previewed snippet"), "preview", black, Linen, "preview" },
 278         { Color_notelabel, N_("note label"), "note", yellow, "#FF6200", "note" },
 279         { Color_notebg, N_("note background"), "notebg", yellow, "#5b5903", "notebg" },
 280         { Color_commentlabel, N_("comment label"), "comment", magenta, olive, "comment" },
 281         { Color_commentbg, N_("comment background"), "commentbg", Linen, black, "commentbg" },
 282         { Color_greyedoutlabel, N_("greyedout inset label"), "greyedout", "#ff0080", "#ff0080", "greyedout" },
 283         { Color_greyedouttext, N_("greyedout inset text"), "greyedouttext", grey80, grey40, "greyedouttext" },
 284         { Color_greyedoutbg, N_("greyedout inset background"), "greyedoutbg", Linen, black, "greyedoutbg" },
 285         { Color_phantomtext, N_("phantom inset text"), "phantomtext", "#7f7f7f", "#7f7f7f", "phantomtext" },
 286         { Color_shadedbg, N_("shaded box"), "shaded", "#ff0000", "#f2af7d", "shaded" },
 287         { Color_listingsbg, N_("listings background"), "listingsbg", white, black, "listingsbg" },
 288         { Color_branchlabel, N_("branch label"), "branchlabel", "#c88000", "#c88000", "branchlabel" },
 289         { Color_footlabel, N_("footnote label"), "footlabel", "#00aaff", blue, "footlabel" },
 290         { Color_indexlabel, N_("index label"), "indexlabel", Green, teal, "indexlabel" },
 291         { Color_marginlabel, N_("margin note label"), "marginlabel", "#aa55ff", violet, "marginlabel" },
 292         { Color_urllabel, N_("URL label"), "urllabel", blue, blue, "urllabel" },
 293         { Color_urltext, N_("URL text"), "urltext", blue, "#86a4ff", "urltext" },
 294         { Color_depthbar, N_("depth bar"), "depthbar", IndianRed, IndianRed, "depthbar" },
 295         { Color_scroll, N_("scroll indicator"), "scroll", IndianRed, IndianRed, "scroll" },
 296         { Color_language, N_("language"), "language", blue, "#86a4ff", "language" },
 297         { Color_command, N_("command inset"), "command", black, black, "command" },
 298         { Color_commandbg, N_("command inset background"), "commandbg", "#f0ffff", "#f0ffff", "commandbg" },
 299         { Color_commandframe, N_("command inset frame"), "commandframe", black, Linen, "commandframe" },
 300         { Color_command_broken, N_("command inset (broken reference)"), "command", white, white, "command_broken" },
 301         { Color_buttonbg_broken, N_("button background (broken reference)"), "commandbg", red, red, "commandbg_broken" },
 302         { Color_buttonframe_broken, N_("button frame (broken reference)"), "commandframe", red, red, "commandframe_broken" },
 303         { Color_buttonhoverbg_broken, N_("button background (broken reference) under focus"), "buttonhoverbg", "#DB0B0B", "#DB0B0B", "buttonhoverbg_broken" },
 304         { Color_special, N_("special character"), "special", RoyalBlue, RoyalBlue, "special" },
 305         { Color_math, N_("math text"), "math", "#00008B", "#85F0FE", "math" },
 306         { Color_mathbg, N_("math background"), "mathbg", Linen, black, "mathbg" },
 307         { Color_graphicsbg, N_("graphics background"), "graphicsbg", Linen, black, "graphicsbg" },
 308         { Color_mathmacrobg, N_("math macro background"), "mathmacrobg", Linen, black, "mathmacrobg" },
 309         { Color_mathframe, N_("math frame"), "mathframe", magenta, magenta, "mathframe" },
 310         { Color_mathcorners, N_("math corners"), "mathcorners", Linen, black, "mathcorners" },
 311         { Color_mathline, N_("math line"), "mathline", blue, "#86a4ff", "mathline" },
 312         { Color_mathmacrobg, N_("math macro background"), "mathmacrobg", "#ede2d8", black, "mathmacrobg" },
 313         { Color_mathmacrohoverbg, N_("math macro hovered background"), "mathmacrohoverbg", "#cdc3b8", grey80, "mathmacrohoverbg" },
 314         { Color_mathmacrolabel, N_("math macro label"), "mathmacrolabel", "#a19992", "#a19992", "mathmacrolabel" },
 315         { Color_mathmacroframe, N_("math macro frame"), "mathmacroframe", "#ede2d8", black, "mathmacroframe" },
 316         { Color_mathmacroblend, N_("math macro blended out"), "mathmacroblend", black, Linen, "mathmacroblend" },
 317         { Color_mathmacrooldarg, N_("math macro old parameter"), "mathmacrooldarg", grey80, grey40, "mathmacrooldarg" },
 318         { Color_mathmacronewarg, N_("math macro new parameter"), "mathmacronewarg", black, Linen, "mathmacronewarg" },
 319         { Color_collapsible, N_("collapsible inset text"), "collapsible", DarkRed, DarkRed, "collapsible" },
 320         { Color_collapsibleframe, N_("collapsible inset frame"), "collapsibleframe", IndianRed, IndianRed, "collapsibleframe" },
 321         { Color_insetbg, N_("inset background"), "insetbg", grey80, grey80, "insetbg" },
 322         { Color_insetlabel, N_("inset label"), "insetlabel", black, black, "insetlabel" },
 323         { Color_insetframe, N_("inset frame"), "insetframe", IndianRed, IndianRed, "insetframe" },
 324         { Color_error, N_("LaTeX error"), "error", red, DarkRed, "error" },
 325         { Color_eolmarker, N_("end-of-line marker"), "eolmarker", Brown, Brown, "eolmarker" },
 326         { Color_appendix, N_("appendix marker"), "appendix", Brown, Brown, "appendix" },
 327         { Color_changebar, N_("change bar"), "changebar", blue, "#86a4ff", "changebar" },
 328         { Color_deletedtext_output, N_("changes - deleted text (exported output)"), "deletedtext", "#ff0000", "#ff0000", "deletedtext" },
 329         { Color_addedtext_output, N_("changes - added text (exported output)"), "addedtext", "#0000ff", "#0000ff", "addedtext" },
 330         { Color_changedtext_workarea_author1, N_("changed text (workarea, 1st author)"), "changedtextauthor1", "#0000ff", "#86a4ff", "changedtextauthor1" },
 331         { Color_changedtext_workarea_author2, N_("changed text (workarea, 2nd author)"), "changedtextauthor2", "#ff00ff", "#ee86ee", "changedtextauthor2" },
 332         { Color_changedtext_workarea_author3, N_("changed text (workarea, 3rd author)"), "changedtextauthor3", "#ff0000", "#ea8989", "changedtextauthor3" },
 333         { Color_changedtext_workarea_author4, N_("changed text (workarea, 4th author)"), "changedtextauthor4", "#aa00ff", "#c371ec", "changedtextauthor4" },
 334         { Color_changedtext_workarea_author5, N_("changed text (workarea, 5th author)"), "changedtextauthor5", "#55aa00", "#acd780", "changedtextauthor5" },
 335         { Color_changedtext_workarea_comparison, N_("changed text (workarea, document comparison)"), "changedtextcomparison", "#008080", "#719FB0", "changedtextcomparison" },
 336         { Color_deletedtext_workarea_modifier, N_("changes - deleted text brightness (workarea)"), "deletedtextmodifier", white, white, "deletedtextmodifier" },
 337         { Color_added_space, N_("added space markers"), "added_space", Brown, Brown, "added_space" },
 338         { Color_tabularline, N_("table line"), "tabularline", black, Linen, "tabularline" },
 339         { Color_tabularonoffline, N_("table on/off line"), "tabularonoffline", "#b0c4de", "#23497b", "tabularonoffline" },
 340         { Color_bottomarea, N_("bottom area"), "bottomarea", grey40, grey80, "bottomarea" },
 341         { Color_newpage, N_("new page"), "newpage", blue, "#86a4ff", "newpage" },
 342         { Color_pagebreak, N_("page break / line break"), "pagebreak", RoyalBlue, RoyalBlue, "pagebreak" },
 343         { Color_buttonframe, N_("button frame"), "buttonframe", "#dcd2c8", "#dcd2c8", "buttonframe" },
 344         { Color_buttonbg, N_("button background"), "buttonbg", "#dcd2c8", "#dcd2c8", "buttonbg" },
 345         { Color_buttonhoverbg, N_("button background under focus"), "buttonhoverbg", "#C7C7CA", "#C7C7CA", "buttonhoverbg" },
 346         { Color_paragraphmarker, N_("paragraph marker"), "paragraphmarker", grey80, grey40, "paragraphmarker"},
 347         { Color_previewframe, N_("preview frame"), "previewframe", black, Linen, "previewframe"},
 348         { Color_regexpframe, N_("regexp frame"), "regexpframe", Green, green, "regexpframe" },
 349         { Color_bookmark, N_("bookmark"), "bookmark", RoyalBlue, RoyalBlue, "bookmark" },
 350         { Color_inherit, N_("inherit"), "inherit", black, Linen, "inherit" },
 351         { Color_ignore, N_("ignore"), "ignore", black, Linen, "ignore" },
 352         { Color_ignore, nullptr, nullptr, nullptr, nullptr, nullptr }
 353         };
 354
 355         for (int i = 0; items[i].guiname; ++i)
 356                 fill(items[i]);
 357 }
 358
 359
 360 /// initialise a color entry
 361 void ColorSet::fill(ColorEntry const & entry)
 362 {
 363         Information in;
 364         in.lyxname   = entry.lyxname;
 365         in.latexname = entry.latexname;
 366         in.x11hexname   = entry.x11hexname;
 367         in.x11darkhexname   = entry.x11darkhexname;
 368         in.guiname   = entry.guiname;
 369         infotab[entry.lcolor] = in;
 370         lyxcolors[entry.lyxname] = entry.lcolor;
 371         latexcolors[entry.latexname] = entry.lcolor;
 372 }
 373
 374
 375 docstring const ColorSet::getGUIName(ColorCode c) const
 376 {
 377         InfoTab::const_iterator it = infotab.find(c);
 378         if (it != infotab.end())
 379                 return _(it->second.guiname);
 380         return from_ascii("none");
 381 }
 382
 383
 384 string const ColorSet::getX11HexName(ColorCode c, bool const darkmode) const
 385 {
 386         InfoTab::const_iterator it = infotab.find(c);
 387         if (it != infotab.end())
 388                 return darkmode ? it->second.x11darkhexname : it->second.x11hexname;
 389
 390         lyxerr << "LyX internal error: Missing color"
 391                   " entry in Color.cpp for " << c << '\n'
 392                << "Using black." << endl;
 393         return darkmode ? "#faf0e6" : "black";
 394 }
 395
 396
 397 pair<string, string> const ColorSet::getAllX11HexNames(ColorCode c) const
 398 {
 399         InfoTab::const_iterator it = infotab.find(c);
 400         if (it != infotab.end())
 401                 return make_pair(it->second.x11hexname, it->second.x11darkhexname);
 402
 403         lyxerr << "LyX internal error: Missing color"
 404                   " entry in Color.cpp for " << c << '\n'
 405                << "Using black." << endl;
 406         return make_pair("black", "#faf0e6");
 407 }
 408
 409
 410 string const ColorSet::getLaTeXName(ColorCode c) const
 411 {
 412         InfoTab::const_iterator it = infotab.find(c);
 413         if (it != infotab.end())
 414                 return it->second.latexname;
 415         return "black";
 416 }
 417
 418
 419 string const ColorSet::getLyXName(ColorCode c) const
 420 {
 421         InfoTab::const_iterator it = infotab.find(c);
 422         if (it != infotab.end())
 423                 return it->second.lyxname;
 424         return "black";
 425 }
 426
 427
 428 bool ColorSet::setColor(ColorCode col, string const & x11hexname,
 429                         string const & x11darkhexname)
 430 {
 431         InfoTab::iterator it = infotab.find(col);
 432         if (it == infotab.end()) {
 433                 LYXERR0("Color " << col << " not found in database.");
 434                 return false;
 435         }
 436
 437         // "inherit" is returned for colors not in the database
 438         // (and anyway should not be redefined)
 439         if (col == Color_none || col == Color_inherit || col == Color_ignore) {
 440                 LYXERR0("Color " << getLyXName(col) << " may not be redefined.");
 441                 return false;
 442         }
 443
 444         if (!x11hexname.empty())
 445                 it->second.x11hexname = x11hexname;
 446         it->second.x11darkhexname = (x11darkhexname.empty()) ? x11hexname : x11darkhexname;
 447         return true;
 448 }
 449
 450
 451 bool ColorSet::setColor(string const & lyxname, string const & x11hexname,
 452                         string const & x11darkhexname)
 453 {
 454         string const lcname = ascii_lowercase(lyxname);
 455         if (lyxcolors.find(lcname) == lyxcolors.end()) {
 456                 LYXERR(Debug::GUI, "ColorSet::setColor: Unknown color \""
 457                        << lyxname << '"');
 458                 addColor(static_cast<ColorCode>(infotab.size()), lcname);
 459         }
 460
 461         return setColor(lyxcolors[lcname], x11hexname, x11darkhexname);
 462 }
 463
 464
 465 bool ColorSet::setLaTeXName(string const & lyxname, string const & latexname)
 466 {
 467         string const lcname = ascii_lowercase(lyxname);
 468         if (lyxcolors.find(lcname) == lyxcolors.end()) {
 469                 LYXERR(Debug::GUI, "ColorSet::setLaTeXName: Unknown color \""
 470                        << lyxname << '"');
 471                 addColor(static_cast<ColorCode>(infotab.size()), lcname);
 472         }
 473
 474         ColorCode col = lyxcolors[lcname];
 475         InfoTab::iterator it = infotab.find(col);
 476         if (it == infotab.end()) {
 477                 LYXERR0("Color " << col << " not found in database.");
 478                 return false;
 479         }
 480
 481         // "inherit" is returned for colors not in the database
 482         // (and anyway should not be redefined)
 483         if (col == Color_none || col == Color_inherit || col == Color_ignore) {
 484                 LYXERR0("Color " << getLyXName(col) << " may not be redefined.");
 485                 return false;
 486         }
 487
 488         if (!latexname.empty())
 489                 it->second.latexname = latexname;
 490         return true;
 491 }
 492
 493
 494 bool ColorSet::setGUIName(string const & lyxname, string const & guiname)
 495 {
 496         string const lcname = ascii_lowercase(lyxname);
 497         if (lyxcolors.find(lcname) == lyxcolors.end()) {
 498                 LYXERR(Debug::GUI, "ColorSet::setGUIName: Unknown color \""
 499                        << lyxname << '"');
 500                 return false;
 501         }
 502
 503         ColorCode col = lyxcolors[lcname];
 504         InfoTab::iterator it = infotab.find(col);
 505         if (it == infotab.end()) {
 506                 LYXERR0("Color " << col << " not found in database.");
 507                 return false;
 508         }
 509
 510         // "inherit" is returned for colors not in the database
 511         // (and anyway should not be redefined)
 512         if (col == Color_none || col == Color_inherit || col == Color_ignore) {
 513                 LYXERR0("Color " << getLyXName(col) << " may not be redefined.");
 514                 return false;
 515         }
 516
 517         if (!guiname.empty())
 518                 it->second.guiname = guiname;
 519         return true;
 520 }
 521
 522
 523 void ColorSet::addColor(ColorCode c, string const & lyxname)
 524 {
 525         ColorEntry ce = { c, "", "", "", "", lyxname.c_str() };
 526         fill(ce);
 527 }
 528
 529
 530 ColorCode ColorSet::getFromLyXName(string const & lyxname) const
 531 {
 532         string const lcname = ascii_lowercase(lyxname);
 533         Transform::const_iterator it = lyxcolors.find(lcname);
 534         if (it == lyxcolors.end()) {
 535                 LYXERR0("ColorSet::getFromLyXName: Unknown color \""
 536                        << lyxname << '"');
 537                 return Color_none;
 538         }
 539
 540         return it->second;
 541 }
 542
 543
 544 ColorCode ColorSet::getFromLaTeXName(string const & latexname) const
 545 {
 546         Transform::const_iterator it = latexcolors.find(latexname);
 547         if (it == latexcolors.end()) {
 548                 lyxerr << "ColorSet::getFromLaTeXName: Unknown color \""
 549                        << latexname << '"' << endl;
 550                 return Color_none;
 551         }
 552
 553         return it->second;
 554 }
 555
 556
 557 // The evil global Color instance
 558 ColorSet lcolor;
 559 // An equally evil global system Color instance
 560 ColorSet system_lcolor;
 561
 562
 563 } // namespace lyx