2002-06-19 03:38:44 +00:00
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/**
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* \file qfont_loader.C
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2002-09-24 13:57:09 +00:00
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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2002-06-19 03:38:44 +00:00
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*
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* \author Asger Alstrup
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2002-10-16 16:11:12 +00:00
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* \author John Levon
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2002-09-24 13:57:09 +00:00
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*
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* Full author contact details are available in file CREDITS
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2002-06-19 03:38:44 +00:00
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*/
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "qfont_loader.h"
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2002-12-17 20:37:13 +00:00
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#include "qt_helpers.h"
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2002-06-19 03:38:44 +00:00
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#include "debug.h"
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#include "lyxrc.h"
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#include "BufferView.h"
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2002-11-27 21:49:50 +00:00
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#include "qt_helpers.h"
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2002-10-15 12:59:08 +00:00
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#include <qglobal.h>
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2002-12-11 00:22:37 +00:00
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#include <qfontmetrics.h>
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2002-12-18 02:31:47 +00:00
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#include <qfontdatabase.h>
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#include <qstringlist.h>
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2002-10-15 12:59:08 +00:00
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#include "support/lstrings.h"
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2002-10-16 16:11:12 +00:00
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2002-10-28 07:45:39 +00:00
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#ifdef Q_WS_X11
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#include <qwidget.h>
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#include <X11/Xlib.h>
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#include "support/systemcall.h"
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#include "support/filetools.h"
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#endif
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2002-09-07 19:51:58 +00:00
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using std::endl;
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2002-10-16 16:11:12 +00:00
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2002-10-20 01:48:28 +00:00
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2002-12-18 02:31:47 +00:00
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namespace {
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void addFontPath()
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2002-06-19 03:38:44 +00:00
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{
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2002-12-18 02:31:47 +00:00
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#ifdef Q_WS_X11
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string const dir = OnlyPath(LibFileSearch("xfonts", "fonts.dir"));
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if (!dir.empty()) {
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QWidget w;
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int n;
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char ** p = XGetFontPath(w.x11Display(), &n);
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if (std::find(p, p + n, dir) != p + n)
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return;
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lyxerr << "Adding " << dir << " to the font path.\n";
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string const command = "xset fp+ " + dir;
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Systemcall s;
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if (!s.startscript(Systemcall::Wait, command))
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return;
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lyxerr << "Unable to add font path.\n";
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2002-11-17 10:34:17 +00:00
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}
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2002-12-18 02:31:47 +00:00
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#endif
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2002-06-19 03:38:44 +00:00
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}
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2002-12-18 02:31:47 +00:00
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struct symbol_font {
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LyXFont::FONT_FAMILY lyx_family;
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string family;
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string xlfd;
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};
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symbol_font symbol_fonts[] = {
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{ LyXFont::SYMBOL_FAMILY,
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"symbol",
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"-*-symbol-*-*-*-*-*-*-*-*-*-*-adobe-fontspecific" },
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{ LyXFont::CMR_FAMILY,
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"cmr10",
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"-*-cmr10-medium-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::CMSY_FAMILY,
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"cmsy10",
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"-*-cmsy10-*-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::CMM_FAMILY,
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"cmmi10",
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"-*-cmmi10-medium-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::CMEX_FAMILY,
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"cmex10",
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"-*-cmex10-*-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::MSA_FAMILY,
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"msam10",
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"-*-msam10-*-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::MSB_FAMILY,
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"msbm10",
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"-*-msbm10-*-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::EUFRAK_FAMILY,
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"eufm10",
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"-*-eufm10-medium-*-*-*-*-*-*-*-*-*-*-*" },
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{ LyXFont::WASY_FAMILY,
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"wasy10",
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"-*-wasy10-medium-*-*-*-*-*-*-*-*-*-*-*" }
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};
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size_t const nr_symbol_fonts = sizeof(symbol_fonts) / sizeof(symbol_font);
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string getRawName(string const & family)
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2002-06-19 03:38:44 +00:00
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{
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2002-12-18 02:31:47 +00:00
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for (size_t i = 0; i < nr_symbol_fonts; ++i) {
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if (family == symbol_fonts[i].family)
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return symbol_fonts[i].xlfd;
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}
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lyxerr[Debug::FONT] << "BUG: family not found !" << endl;
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return string();
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2002-06-19 03:38:44 +00:00
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}
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2002-12-18 02:31:47 +00:00
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string const symbolFamily(LyXFont::FONT_FAMILY family)
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2002-06-19 03:38:44 +00:00
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{
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2002-12-18 02:31:47 +00:00
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for (size_t i = 0; i < nr_symbol_fonts; ++i) {
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if (family == symbol_fonts[i].lyx_family)
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return symbol_fonts[i].family;
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2002-06-19 03:38:44 +00:00
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}
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2002-12-18 02:31:47 +00:00
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return string();
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2002-06-19 03:38:44 +00:00
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}
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2002-10-16 16:11:12 +00:00
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2002-12-18 02:31:47 +00:00
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QFont const getSymbolFont(string const & family)
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2002-09-07 19:51:58 +00:00
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{
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2002-12-18 02:31:47 +00:00
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lyxerr[Debug::FONT] << "Looking for font family "
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<< family << " ... ";
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string upper = family;
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upper[0] = toupper(family[0]);
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QFont font;
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font.setFamily(toqstr(family));
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// Note Qt lies about family, so we use rawName.
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if (contains(fromqstr(font.rawName()), family)) {
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lyxerr[Debug::FONT] << " got it !" << endl;
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return font;
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}
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2002-10-16 16:11:12 +00:00
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2002-12-18 02:31:47 +00:00
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font.setFamily(toqstr(upper));
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if (contains(fromqstr(font.rawName()), upper)) {
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lyxerr[Debug::FONT] << " got it (uppercase version) !" << endl;
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return font;
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2002-09-07 19:51:58 +00:00
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}
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2002-10-19 10:32:57 +00:00
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2002-12-18 02:31:47 +00:00
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// A simple setFamily() fails on Qt 2
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2002-10-19 10:32:57 +00:00
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2002-12-18 02:31:47 +00:00
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font.setRawName(toqstr(getRawName(family)));
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if (contains(fromqstr(font.rawName()), family)) {
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lyxerr[Debug::FONT] << " got it (raw version) !" << endl;
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return font;
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}
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lyxerr[Debug::FONT] << " FAILED :(" << endl;
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return font;
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2002-09-07 19:51:58 +00:00
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}
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2002-10-28 07:45:39 +00:00
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2002-12-18 02:31:47 +00:00
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bool isAvailable(LyXFont const & f)
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2002-10-28 07:45:39 +00:00
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{
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2002-12-18 02:31:47 +00:00
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string const tmp = symbolFamily(f.family());
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2002-10-28 07:45:39 +00:00
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2002-12-18 02:31:47 +00:00
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if (tmp.empty())
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return false;
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2002-10-28 07:45:39 +00:00
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2002-12-18 02:31:47 +00:00
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QString const family(toqstr(tmp));
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2002-10-28 07:45:39 +00:00
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2002-12-18 02:31:47 +00:00
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lyxerr[Debug::FONT] << "Family " << tmp
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<< " isAvailable ?" << endl;
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2002-10-28 07:45:39 +00:00
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2002-12-18 02:31:47 +00:00
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QFontDatabase db;
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// pass false for match-locale: LaTeX fonts
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// do not have non-matching locale according
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// to Qt 2
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QStringList sl(db.families(false));
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2002-10-28 07:45:39 +00:00
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2002-12-18 02:31:47 +00:00
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for (QStringList::Iterator it = sl.begin(); it != sl.end(); ++it) {
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2002-10-28 07:45:39 +00:00
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2002-12-18 02:31:47 +00:00
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// Case-insensitive for Cmmi10 vs. cmmi10
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if ((*it).contains(family, false)) {
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lyxerr[Debug::FONT]
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<< "found family "
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<< fromqstr(*it) << endl;
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return true;
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}
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}
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2002-10-28 07:45:39 +00:00
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2002-12-18 02:31:47 +00:00
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return false;
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}
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2002-10-28 07:45:39 +00:00
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2002-12-18 02:31:47 +00:00
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} // namespace anon
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qfont_loader::qfont_loader()
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{
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for (int i1 = 0; i1 < LyXFont::NUM_FAMILIES; ++i1) {
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for (int i2 = 0; i2 < 2; ++i2) {
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for (int i3 = 0; i3 < 4; ++i3) {
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for (int i4 = 0; i4 < 10; ++i4) {
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fontinfo_[i1][i2][i3][i4] = 0;
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}
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}
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}
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2002-12-01 22:59:25 +00:00
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}
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2002-10-28 07:45:39 +00:00
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}
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2002-12-18 02:31:47 +00:00
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qfont_loader::~qfont_loader()
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2002-10-28 07:45:39 +00:00
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{
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}
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2002-12-17 20:37:13 +00:00
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2002-12-18 02:31:47 +00:00
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void qfont_loader::update()
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2002-12-17 20:37:13 +00:00
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{
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2002-12-18 02:31:47 +00:00
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for (int i1 = 0; i1 < LyXFont::NUM_FAMILIES; ++i1) {
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for (int i2 = 0; i2 < 2; ++i2) {
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for (int i3 = 0; i3 < 4; ++i3) {
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for (int i4 = 0; i4 < 10; ++i4) {
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delete fontinfo_[i1][i2][i3][i4];
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fontinfo_[i1][i2][i3][i4] = 0;
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}
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}
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}
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2002-12-17 20:37:13 +00:00
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}
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2002-10-28 07:45:39 +00:00
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}
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2002-12-18 02:31:47 +00:00
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QFont const & qfont_loader::get(LyXFont const & f)
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{
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static bool first_call = true;
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if (first_call) {
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first_call = false;
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addFontPath();
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}
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QFont const & ret(getfontinfo(f)->font);
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return ret;
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}
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2002-10-16 16:11:12 +00:00
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2002-12-17 20:37:13 +00:00
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2002-06-19 03:38:44 +00:00
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qfont_loader::font_info::font_info(LyXFont const & f)
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: metrics(font)
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{
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2002-10-28 07:45:39 +00:00
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2002-12-18 02:31:47 +00:00
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string const pat = symbolFamily(f.family());
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2002-10-28 07:45:39 +00:00
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if (!pat.empty()) {
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2002-12-18 02:31:47 +00:00
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font = getSymbolFont(pat);
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2002-12-17 20:37:13 +00:00
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} else {
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2002-10-28 07:45:39 +00:00
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switch (f.family()) {
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2002-06-19 03:38:44 +00:00
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case LyXFont::ROMAN_FAMILY:
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2002-12-17 20:37:13 +00:00
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font.setFamily(toqstr(makeFontName(lyxrc.roman_font_name,
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lyxrc.roman_font_foundry)));
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2002-06-19 03:38:44 +00:00
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break;
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case LyXFont::SANS_FAMILY:
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2002-12-17 20:37:13 +00:00
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font.setFamily(toqstr(makeFontName(lyxrc.sans_font_name,
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lyxrc.sans_font_foundry)));
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2002-06-19 03:38:44 +00:00
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break;
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case LyXFont::TYPEWRITER_FAMILY:
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2002-12-17 20:37:13 +00:00
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font.setFamily(toqstr(makeFontName(lyxrc.typewriter_font_name,
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lyxrc.typewriter_font_foundry)));
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2002-06-19 03:38:44 +00:00
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break;
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2002-10-28 07:45:39 +00:00
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default:
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break;
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2002-12-17 20:37:13 +00:00
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}
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2002-06-19 03:38:44 +00:00
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}
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2002-10-16 16:11:12 +00:00
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font.setPointSizeFloat(lyxrc.font_sizes[f.size()]
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* lyxrc.zoom / 100.0);
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2002-06-19 03:38:44 +00:00
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switch (f.series()) {
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case LyXFont::MEDIUM_SERIES:
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font.setWeight(QFont::Normal);
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break;
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case LyXFont::BOLD_SERIES:
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font.setWeight(QFont::Bold);
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break;
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2002-12-18 02:31:47 +00:00
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default:
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break;
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2002-06-19 03:38:44 +00:00
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}
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2002-10-16 16:11:12 +00:00
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2002-09-08 05:13:04 +00:00
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switch (f.realShape()) {
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2002-06-19 03:38:44 +00:00
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case LyXFont::ITALIC_SHAPE:
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case LyXFont::SLANTED_SHAPE:
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font.setItalic(true);
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break;
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2002-12-18 02:31:47 +00:00
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default:
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break;
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}
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if (lyxerr.debugging(Debug::FONT)) {
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lyxerr[Debug::FONT] << "Font '" << f.stateText(0)
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<< "' matched by\n" << font.rawName() << endl;
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2002-06-19 03:38:44 +00:00
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}
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2002-12-18 02:31:47 +00:00
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lyxerr[Debug::FONT] << "The font has size: "
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<< font.pointSizeFloat() << endl;
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2002-10-19 10:32:57 +00:00
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// Is this an exact match?
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if (font.exactMatch()) {
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lyxerr[Debug::FONT] << "This font is an exact match" << endl;
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} else {
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lyxerr[Debug::FONT] << "This font is NOT an exact match"
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|
<< endl;
|
|
|
|
}
|
|
|
|
|
|
|
|
lyxerr[Debug::FONT] << "XFLD: " << font.rawName() << endl;
|
|
|
|
|
2002-06-19 03:38:44 +00:00
|
|
|
metrics = QFontMetrics(font);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2002-12-11 00:22:37 +00:00
|
|
|
qfont_loader::font_info * qfont_loader::getfontinfo(LyXFont const & f)
|
2002-06-19 03:38:44 +00:00
|
|
|
{
|
|
|
|
if (!lyxrc.use_gui) {
|
|
|
|
// FIXME
|
|
|
|
}
|
|
|
|
|
2002-12-11 00:22:37 +00:00
|
|
|
font_info * fi = fontinfo_[f.family()][f.series()][f.realShape()][f.size()];
|
|
|
|
if (fi)
|
|
|
|
return fi;
|
|
|
|
|
|
|
|
font_info * fi2 = new font_info(f);
|
|
|
|
fontinfo_[f.family()][f.series()][f.realShape()][f.size()] = fi2;
|
|
|
|
return fi2;
|
2002-06-19 03:38:44 +00:00
|
|
|
}
|
|
|
|
|
2002-10-16 16:11:12 +00:00
|
|
|
|
2002-12-11 00:22:37 +00:00
|
|
|
int qfont_loader::charwidth(LyXFont const & f, Uchar val)
|
|
|
|
{
|
|
|
|
font_info * fi = getfontinfo(f);
|
|
|
|
|
|
|
|
font_info::WidthCache::const_iterator cit = fi->widthcache.find(val);
|
|
|
|
if (cit != fi->widthcache.end())
|
|
|
|
return cit->second;
|
|
|
|
|
|
|
|
int const w = fi->metrics.width(QChar(val));
|
|
|
|
fi->widthcache[val] = w;
|
|
|
|
return w;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2002-10-14 14:49:00 +00:00
|
|
|
bool qfont_loader::available(LyXFont const & f)
|
2002-06-19 03:38:44 +00:00
|
|
|
{
|
2002-10-14 14:49:00 +00:00
|
|
|
if (!lyxrc.use_gui)
|
|
|
|
return false;
|
|
|
|
|
2002-12-18 02:31:47 +00:00
|
|
|
bool const is_available(isAvailable(f));
|
2002-12-17 20:37:13 +00:00
|
|
|
lyxerr[Debug::FONT] << "font_loader::available returning "
|
|
|
|
<< is_available << endl;
|
|
|
|
return is_available;
|
2002-06-19 03:38:44 +00:00
|
|
|
}
|