mirror of
https://git.lyx.org/repos/lyx.git
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368 lines
8.1 KiB
C++
368 lines
8.1 KiB
C++
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/**
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* \file FontLoader.C
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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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*
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* \author Asger Alstrup
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* \author John Levon
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "qfont_loader.h"
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#include "qt_helpers.h"
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#include "debug.h"
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#include "lyxrc.h"
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#include "frontends/lyx_gui.h"
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#include "support/convert.h"
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#include "support/filetools.h"
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#include "support/lstrings.h"
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#include "support/systemcall.h"
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#include <qfontinfo.h>
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#include <boost/tuple/tuple.hpp>
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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 <algorithm>
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#endif
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using lyx::support::contains;
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using lyx::support::LibFileSearch;
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using lyx::support::OnlyPath;
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using lyx::support::QuoteName;
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using lyx::support::Systemcall;
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using std::endl;
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using std::make_pair;
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using std::pair;
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using std::vector;
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using std::string;
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#ifdef Q_WS_MACX
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#include <ApplicationServices/ApplicationServices.h>
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#endif
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void FontLoader::initFontPath()
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{
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#ifdef Q_WS_MACX
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CFBundleRef myAppBundle = CFBundleGetMainBundle();
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CFURLRef myAppResourcesURL, FontsURL;
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FSRef fontDirRef;
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FSSpec fontDirSpec;
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CFStringRef filePath = CFStringCreateWithBytes(kCFAllocatorDefault,
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(UInt8 *) "Fonts", strlen("Fonts"),
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kCFStringEncodingISOLatin1, false);
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myAppResourcesURL = CFBundleCopyResourcesDirectoryURL(myAppBundle);
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FontsURL = CFURLCreateCopyAppendingPathComponent(kCFAllocatorDefault,
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myAppResourcesURL, filePath, true);
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if (lyxerr.debugging(Debug::FONT)) {
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UInt8 buf[255];
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if (CFURLGetFileSystemRepresentation(FontsURL, true, buf, 255))
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lyxerr << "Adding Fonts directory: " << buf << endl;
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}
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CFURLGetFSRef (FontsURL, &fontDirRef);
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OSStatus err = FSGetCatalogInfo (&fontDirRef, kFSCatInfoNone,
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NULL, NULL, &fontDirSpec, NULL);
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if (err)
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lyxerr << "FSGetCatalogInfo err = " << err << endl;
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err = FMActivateFonts (&fontDirSpec, NULL, NULL,
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kFMLocalActivationContext);
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if (err)
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lyxerr << "FMActivateFonts err = " << err << endl;
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#endif
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}
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namespace {
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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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{
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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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lyxerr[Debug::FONT] << "BUG: family not found !" << endl;
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return string();
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}
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string const symbolFamily(LyXFont::FONT_FAMILY family)
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{
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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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}
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return string();
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}
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bool isSymbolFamily(LyXFont::FONT_FAMILY family)
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{
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return family >= LyXFont::SYMBOL_FAMILY &&
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family <= LyXFont::WASY_FAMILY;
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}
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bool isChosenFont(QFont & font, string const & family)
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{
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lyxerr[Debug::FONT] << "raw: " << fromqstr(font.rawName()) << endl;
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QFontInfo fi(font);
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// Note Qt lies about family quite often
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lyxerr[Debug::FONT] << "alleged fi family: "
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<< fromqstr(fi.family()) << endl;
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// So we check rawName first
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if (contains(fromqstr(font.rawName()), family)) {
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lyxerr[Debug::FONT] << " got it ";
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return true;
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}
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// Qt 3.2 beta1 returns "xft" for all xft fonts
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if (font.rawName() == "xft") {
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if (contains(fromqstr(fi.family()), family)) {
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lyxerr[Debug::FONT] << " got it (Xft) ";
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return true;
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}
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}
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return false;
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}
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pair<QFont, bool> const getSymbolFont(string const & family)
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{
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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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if (isChosenFont(font, family)) {
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lyxerr[Debug::FONT] << "normal!" << endl;
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return make_pair<QFont, bool>(font, true);
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}
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font.setFamily(toqstr(upper));
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if (isChosenFont(font, upper)) {
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lyxerr[Debug::FONT] << "upper!" << endl;
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return make_pair<QFont, bool>(font, true);
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}
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// A simple setFamily() fails on Qt 2
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font.setRawName(toqstr(getRawName(family)));
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if (isChosenFont(font, family)) {
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lyxerr[Debug::FONT] << "raw version!" << endl;
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return make_pair<QFont, bool>(font, true);
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}
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lyxerr[Debug::FONT] << " FAILED :-(" << endl;
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return make_pair<QFont, bool>(font, false);
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}
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} // namespace anon
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FontLoader::FontLoader()
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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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void FontLoader::update()
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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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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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QLFontInfo::QLFontInfo(LyXFont const & f)
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: metrics(font)
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{
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string const pat = symbolFamily(f.family());
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if (!pat.empty()) {
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bool tmp;
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boost::tie(font, tmp) = getSymbolFont(pat);
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} else {
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switch (f.family()) {
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case LyXFont::ROMAN_FAMILY:
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font.setFamily(toqstr(makeFontName(lyxrc.roman_font_name,
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lyxrc.roman_font_foundry)));
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break;
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case LyXFont::SANS_FAMILY:
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font.setFamily(toqstr(makeFontName(lyxrc.sans_font_name,
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lyxrc.sans_font_foundry)));
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break;
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case LyXFont::TYPEWRITER_FAMILY:
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font.setFamily(toqstr(makeFontName(lyxrc.typewriter_font_name,
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lyxrc.typewriter_font_foundry)));
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break;
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default:
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break;
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}
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}
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font.setPointSizeFloat(convert<double>(lyxrc.font_sizes[f.size()])
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* lyxrc.zoom / 100.0);
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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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default:
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break;
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}
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switch (f.realShape()) {
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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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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" << (const char *) font.rawName() << endl;
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}
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lyxerr[Debug::FONT] << "The font has size: "
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<< font.pointSizeFloat() << endl;
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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;
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lyxerr[Debug::FONT] << "XFLD: " << (const char *) font.rawName() << endl;
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metrics = QFontMetrics(font);
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}
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int QLFontInfo::width(Uchar val) const
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{
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// Starting with version 3.1.0, Qt/X11 does its own caching of
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// character width, so it is not necessary to provide ours.
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#if defined (USE_LYX_FONTCACHE)
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QLFontInfo::WidthCache::const_iterator cit = widthcache.find(val);
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if (cit != widthcache.end())
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return cit->second;
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int const w = metrics.width(QChar(val));
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widthcache[val] = w;
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return w;
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#else
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return metrics.width(QChar(val));
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#endif
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}
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bool FontLoader::available(LyXFont const & f)
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{
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if (!lyx_gui::use_gui)
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return false;
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static vector<int> cache_set(LyXFont::NUM_FAMILIES, false);
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static vector<int> cache(LyXFont::NUM_FAMILIES, false);
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LyXFont::FONT_FAMILY family = f.family();
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if (cache_set[family])
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return cache[family];
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cache_set[family] = true;
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string const pat = symbolFamily(family);
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if (pat.empty())
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// We don't care about non-symbol fonts
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return false;
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pair<QFont, bool> tmp = getSymbolFont(pat);
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if (!tmp.second)
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return false;
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cache[family] = true;
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return true;
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}
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