/**
- * \file GuiFontLoader.cpp
+ * \file FontLoader.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
#include <config.h>
-#include "GuiFontLoader.h"
+#include "FontLoader.h"
+
+#include "FontInfo.h"
+#include "GuiFontMetrics.h"
#include "qt_helpers.h"
-#include "support/debug.h"
#include "LyXRC.h"
#include "support/convert.h"
+#include "support/debug.h"
#include "support/filetools.h"
#include "support/lstrings.h"
#include "support/Systemcall.h"
#include "support/Package.h"
#include "support/os.h"
-#include <boost/tuple/tuple.hpp>
-
#include <QFontInfo>
#include <QFontDatabase>
-using std::make_pair;
+#include "support/lassert.h"
-using std::pair;
-using std::vector;
+using namespace std;
+using namespace lyx::support;
QString const math_fonts[] = {"cmex10", "cmmi10", "cmr10", "cmsy10",
- "eufm10", "msam10", "msbm10", "wasy10", "esint10"};
+ "esint10", "eufm10", "msam10", "msbm10", "rsfs10", "wasy10"};
int const num_math_fonts = sizeof(math_fonts) / sizeof(*math_fonts);
-
namespace lyx {
-using support::contains;
-using support::package;
-using support::addPath;
-using support::addName;
-
extern docstring const stateText(FontInfo const & f);
namespace frontend {
+/**
+ * Matches Fonts against
+ * actual QFont instances, and also caches metrics.
+ */
+class GuiFontInfo
+{
+public:
+ GuiFontInfo(FontInfo const & f);
+
+ /// The font instance
+ QFont font;
+ /// Metrics on the font
+ GuiFontMetrics metrics;
+};
+
namespace {
struct SymbolFont {
};
SymbolFont symbol_fonts[] = {
- { SYMBOL_FAMILY,
- "symbol",
- "-*-symbol-*-*-*-*-*-*-*-*-*-*-adobe-fontspecific" },
-
- { CMR_FAMILY,
- "cmr10",
- "-*-cmr10-medium-*-*-*-*-*-*-*-*-*-*-*" },
-
- { CMSY_FAMILY,
- "cmsy10",
- "-*-cmsy10-*-*-*-*-*-*-*-*-*-*-*-*" },
-
- { CMM_FAMILY,
- "cmmi10",
- "-*-cmmi10-medium-*-*-*-*-*-*-*-*-*-*-*" },
-
- { CMEX_FAMILY,
- "cmex10",
- "-*-cmex10-*-*-*-*-*-*-*-*-*-*-*-*" },
-
- { MSA_FAMILY,
- "msam10",
- "-*-msam10-*-*-*-*-*-*-*-*-*-*-*-*" },
-
- { MSB_FAMILY,
- "msbm10",
- "-*-msbm10-*-*-*-*-*-*-*-*-*-*-*-*" },
+ { SYMBOL_FAMILY,"symbol", "-*-symbol-*-*-*-*-*-*-*-*-*-*-adobe-fontspecific"},
+ { CMR_FAMILY, "cmr10", "-*-cmr10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+ { CMSY_FAMILY, "cmsy10", "-*-cmsy10-*-*-*-*-*-*-*-*-*-*-*-*" },
+ { CMM_FAMILY, "cmmi10", "-*-cmmi10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+ { CMEX_FAMILY, "cmex10", "-*-cmex10-*-*-*-*-*-*-*-*-*-*-*-*" },
+ { MSA_FAMILY, "msam10", "-*-msam10-*-*-*-*-*-*-*-*-*-*-*-*" },
+ { MSB_FAMILY, "msbm10", "-*-msbm10-*-*-*-*-*-*-*-*-*-*-*-*" },
+ { EUFRAK_FAMILY,"eufm10", "-*-eufm10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+ { RSFS_FAMILY, "rsfs10", "-*-rsfs10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+ { WASY_FAMILY, "wasy10", "-*-wasy10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+ { ESINT_FAMILY, "esint10","-*-esint10-medium-*-*-*-*-*-*-*-*-*-*-*" }
+};
- { EUFRAK_FAMILY,
- "eufm10",
- "-*-eufm10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+size_t const nr_symbol_fonts = sizeof(symbol_fonts) / sizeof(symbol_fonts[0]);
- { WASY_FAMILY,
- "wasy10",
- "-*-wasy10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+/// BUTT ugly !
+static GuiFontInfo * fontinfo_[NUM_FAMILIES][2][4][10];
- { ESINT_FAMILY,
- "esint10",
- "-*-esint10-medium-*-*-*-*-*-*-*-*-*-*-*" }
-};
-size_t const nr_symbol_fonts = sizeof(symbol_fonts) / sizeof(SymbolFont);
+/// Get font info (font + metrics) for the given LyX font.
+// if not cached, create it.
+GuiFontInfo & fontinfo(FontInfo const & f)
+{
+ LASSERT(f.family() < NUM_FAMILIES, /**/);
+ LASSERT(f.series() < 2, /**/);
+ LASSERT(f.realShape() < 4, /**/);
+ LASSERT(f.size() < 10, /**/);
+ // fi is a reference to the pointer type (GuiFontInfo *) in the
+ // fontinfo_ table.
+ GuiFontInfo * & fi =
+ fontinfo_[f.family()][f.series()][f.realShape()][f.size()];
+ if (!fi)
+ fi = new GuiFontInfo(f);
+ return *fi;
+}
-QString getRawName(QString const & family)
+QString rawName(QString const & family)
{
for (size_t i = 0; i < nr_symbol_fonts; ++i)
if (family == symbol_fonts[i].family)
}
-QString const symbolFamily(FontFamily family)
+QString symbolFamily(FontFamily family)
{
for (size_t i = 0; i < nr_symbol_fonts; ++i) {
if (family == symbol_fonts[i].lyx_family)
// positions.
QFontInfo fi(font);
- LYXERR(Debug::FONT, "got: " << fromqstr(fi.family()));
+ LYXERR(Debug::FONT, "got: " << fi.family());
if (fi.family().contains(family)) {
LYXERR(Debug::FONT, " got it ");
}
-static pair<QFont, bool> const getSymbolFont(QString const & family)
+QFont symbolFont(QString const & family, bool * ok)
{
- LYXERR(Debug::FONT, "Looking for font family "
- << fromqstr(family) << " ... ");
+ LYXERR(Debug::FONT, "Looking for font family " << family << " ... ");
QString upper = family;
upper[0] = family[0].toUpper();
if (isChosenFont(font, family)) {
LYXERR(Debug::FONT, "normal!");
- return make_pair<QFont, bool>(font, true);
+ *ok = true;
+ return font;
}
- LYXERR(Debug::FONT, "Trying " << fromqstr(upper) << " ... ");
+ LYXERR(Debug::FONT, "Trying " << upper << " ... ");
font.setFamily(upper);
if (isChosenFont(font, upper)) {
LYXERR(Debug::FONT, "upper!");
- return make_pair<QFont, bool>(font, true);
+ *ok = true;
+ return font;
}
// A simple setFamily() fails on Qt 2
- QString const rawName = getRawName(family);
- LYXERR(Debug::FONT, "Trying " << fromqstr(rawName) << " ... ");
- font.setRawName(rawName);
+ QString const raw = rawName(family);
+ LYXERR(Debug::FONT, "Trying " << raw << " ... ");
+ font.setRawName(raw);
if (isChosenFont(font, family)) {
LYXERR(Debug::FONT, "raw version!");
- return make_pair<QFont, bool>(font, true);
+ *ok = true;
+ return font;
}
LYXERR(Debug::FONT, " FAILED :-(");
- return make_pair<QFont, bool>(font, false);
+ *ok = false;
+ return font;
}
} // namespace anon
-GuiFontLoader::GuiFontLoader()
+FontLoader::FontLoader()
{
QString const fonts_dir =
- toqstr(addPath(package().system_support().absFilename(), "fonts"));
+ toqstr(addPath(package().system_support().absFileName(), "fonts"));
for (int i = 0 ; i < num_math_fonts; ++i) {
QString const font_file = fonts_dir + '/' + math_fonts[i] + ".ttf";
int fontID = QFontDatabase::addApplicationFont(font_file);
- LYXERR(Debug::FONT, "Adding font " << fromqstr(font_file)
- << static_cast<const char *>
- (fontID < 0 ? " FAIL" : " OK"));
+ LYXERR(Debug::FONT, "Adding font " << font_file
+ << (fontID < 0 ? " FAIL" : " OK"));
}
for (int i1 = 0; i1 < NUM_FAMILIES; ++i1)
}
-void GuiFontLoader::update()
+void FontLoader::update()
{
- for (int i1 = 0; i1 < NUM_FAMILIES; ++i1) {
+ for (int i1 = 0; i1 < NUM_FAMILIES; ++i1)
for (int i2 = 0; i2 < 2; ++i2)
for (int i3 = 0; i3 < 4; ++i3)
for (int i4 = 0; i4 < 10; ++i4) {
delete fontinfo_[i1][i2][i3][i4];
fontinfo_[i1][i2][i3][i4] = 0;
}
- }
}
+FontLoader::~FontLoader()
+{
+ update();
+}
+
/////////////////////////////////////////////////
GuiFontInfo::GuiFontInfo(FontInfo const & f)
+ : metrics(QFont())
{
font.setKerning(false);
QString const pat = symbolFamily(f.family());
if (!pat.isEmpty()) {
- bool tmp;
- boost::tie(font, tmp) = getSymbolFont(pat);
+ bool ok;
+ font = symbolFont(pat, &ok);
} else {
switch (f.family()) {
case ROMAN_FAMILY: {
QString family = makeFontName(toqstr(lyxrc.roman_font_name),
- toqstr(lyxrc.roman_font_foundry));
+ toqstr(lyxrc.roman_font_foundry));
font.setFamily(family);
#ifdef Q_WS_MACX
-#if QT_VERSION >= 0x040300
- // Workaround for a Qt bug, see http://bugzilla.lyx.org/show_bug.cgi?id=3684
- // It is reported to Trolltech at 02/06/07 against 4.3 final.
- // FIXME: Add an upper version limit as soon as the bug is fixed in Qt.
+#if QT_VERSION >= 0x040300 //&& QT_VERSION < 0x040800
+ // Workaround for a Qt bug, see http://www.lyx.org/trac/ticket/3684
+ // and http://bugreports.qt.nokia.com/browse/QTBUG-11145.
+ // FIXME: Check whether this is really fixed in Qt 4.8
if (family == "Times" && !font.exactMatch())
font.setFamily("Times New Roman");
#endif
break;
}
- LYXERR(Debug::FONT, "Font '" << to_utf8(stateText(f))
- << "' matched by\n" << fromqstr(font.family()));
+ LYXERR(Debug::FONT, "Font '" << stateText(f)
+ << "' matched by\n" << font.family());
// Is this an exact match?
if (font.exactMatch())
else
LYXERR(Debug::FONT, "This font is NOT an exact match");
- LYXERR(Debug::FONT, "XFLD: " << fromqstr(font.rawName()));
+ LYXERR(Debug::FONT, "XFLD: " << font.rawName());
font.setPointSizeF(convert<double>(lyxrc.font_sizes[f.size()])
* lyxrc.zoom / 100.0);
LYXERR(Debug::FONT, "The font has size: " << font.pointSizeF());
if (f.realShape() != SMALLCAPS_SHAPE) {
- metrics.reset(new GuiFontMetrics(font));
+ metrics = GuiFontMetrics(font);
} else {
// handle small caps ourselves ...
FontInfo smallfont = f;
font2.setPointSizeF(convert<double>(lyxrc.font_sizes[smallfont.size()])
* lyxrc.zoom / 100.0);
- metrics.reset(new GuiFontMetrics(font, font2));
+ metrics = GuiFontMetrics(font, font2);
}
-
}
-bool GuiFontLoader::available(FontInfo const & f)
+bool FontLoader::available(FontInfo const & f)
{
static vector<int> cache_set(NUM_FAMILIES, false);
static vector<int> cache(NUM_FAMILIES, false);
// We don't care about non-symbol fonts
return false;
- pair<QFont, bool> tmp = getSymbolFont(pat);
- if (!tmp.second)
+ bool ok;
+ symbolFont(pat, &ok);
+ if (!ok)
return false;
cache[family] = true;
return true;
}
+
+FontMetrics const & FontLoader::metrics(FontInfo const & f)
+{
+ return fontinfo(f).metrics;
+}
+
+
+GuiFontMetrics const & getFontMetrics(FontInfo const & f)
+{
+ return fontinfo(f).metrics;
+}
+
+
+QFont const & getFont(FontInfo const & f)
+{
+ return fontinfo(f).font;
+}
+
} // namespace frontend
} // namespace lyx