/**
- * \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/gettext.h"
#include "support/lstrings.h"
#include "support/Systemcall.h"
#include "support/Package.h"
#include <QFontInfo>
#include <QFontDatabase>
+#include "support/lassert.h"
+
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", "stmary10",
+ "wasy10"};
int const num_math_fonts = sizeof(math_fonts) / sizeof(*math_fonts);
-
namespace lyx {
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-*-*-*-*-*-*-*-*-*-*-*-*" },
+ { 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-*-*-*-*-*-*-*-*-*-*-*" },
+ { STMARY_FAMILY,"stmary10","-*-stmary10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+ { WASY_FAMILY, "wasy10", "-*-wasy10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+ { ESINT_FAMILY, "esint10","-*-esint10-medium-*-*-*-*-*-*-*-*-*-*-*" }
+};
- { MSA_FAMILY,
- "msam10",
- "-*-msam10-*-*-*-*-*-*-*-*-*-*-*-*" },
+size_t const nr_symbol_fonts = sizeof(symbol_fonts) / sizeof(symbol_fonts[0]);
- { MSB_FAMILY,
- "msbm10",
- "-*-msbm10-*-*-*-*-*-*-*-*-*-*-*-*" },
+/// BUTT ugly !
+static GuiFontInfo *
+fontinfo_[NUM_FAMILIES][NUM_SERIES][NUM_SHAPE][NUM_SIZE][NUM_STYLE];
- { EUFRAK_FAMILY,
- "eufm10",
- "-*-eufm10-medium-*-*-*-*-*-*-*-*-*-*-*" },
- { WASY_FAMILY,
- "wasy10",
- "-*-wasy10-medium-*-*-*-*-*-*-*-*-*-*-*" },
+// returns a reference to the pointer type (GuiFontInfo *) in the
+// fontinfo_ table.
+GuiFontInfo * & fontinfo_ptr(FontInfo const & f)
+{
+ // The display font and the text font are the same
+ size_t const style = (f.style() == LM_ST_DISPLAY) ? LM_ST_TEXT : f.style();
+ return fontinfo_[f.family()][f.series()][f.realShape()][f.size()][style];
+}
- { 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)
+{
+ bool const fontIsRealized =
+ (f.family() < NUM_FAMILIES) &&
+ (f.series() < NUM_SERIES) &&
+ (f.realShape() < NUM_SHAPE) &&
+ (f.size() < NUM_SIZE);
+ if (!fontIsRealized) {
+ // We can reset the font to something sensible in release mode.
+ LATTEST(false);
+ LYXERR0("Unrealized font!");
+ FontInfo f2 = f;
+ f2.realize(sane_font);
+ GuiFontInfo * & fi = fontinfo_ptr(f2);
+ if (!fi)
+ fi = new GuiFontInfo(f2);
+ return *fi;
+ }
+ GuiFontInfo * & fi = fontinfo_ptr(f);
+ 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)
}
+#if 0
bool isSymbolFamily(FontFamily family)
{
return family >= SYMBOL_FAMILY && family <= ESINT_FAMILY;
}
+#endif
-static bool isChosenFont(QFont & font, QString const & family)
+static bool isChosenFont(QFont & font, QString const & family,
+ QString const & style)
{
// QFontInfo won't find a font that has only a few glyphs at unusual
// positions, e.g. the original esint10 font.
// positions.
QFontInfo fi(font);
- LYXERR(Debug::FONT, "got: " << fromqstr(fi.family()));
+ LYXERR(Debug::FONT, "got: " << fi.family());
- if (fi.family().contains(family)) {
+ if (fi.family().contains(family)
+#if QT_VERSION >= 0x040800
+ && (style.isEmpty() || fi.styleName().contains(style))
+#endif
+ ) {
LYXERR(Debug::FONT, " got it ");
return true;
}
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();
QFont font;
- font.setKerning(false);
font.setFamily(family);
+#if QT_VERSION >= 0x040800
+ font.setStyleName("LyX");
+
+ if (isChosenFont(font, family, "LyX")) {
+ LYXERR(Debug::FONT, "lyx!");
+ *ok = true;
+ return font;
+ }
+
+ LYXERR(Debug::FONT, "Trying normal " << family << " ... ");
+ font.setStyleName(QString());
+#endif
- if (isChosenFont(font, family)) {
+ if (isChosenFont(font, family, QString())) {
LYXERR(Debug::FONT, "normal!");
*ok = true;
return font;
}
- LYXERR(Debug::FONT, "Trying " << fromqstr(upper) << " ... ");
+ LYXERR(Debug::FONT, "Trying " << upper << " ... ");
font.setFamily(upper);
- if (isChosenFont(font, upper)) {
+ if (isChosenFont(font, upper, QString())) {
LYXERR(Debug::FONT, "upper!");
*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)) {
+ if (isChosenFont(font, family, QString())) {
LYXERR(Debug::FONT, "raw version!");
*ok = true;
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";
+ 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)
- for (int i2 = 0; i2 < 2; ++i2)
- for (int i3 = 0; i3 < 4; ++i3)
- for (int i4 = 0; i4 < 10; ++i4)
- fontinfo_[i1][i2][i3][i4] = 0;
+ for (int i2 = 0; i2 < NUM_SERIES; ++i2)
+ for (int i3 = 0; i3 < NUM_SHAPE; ++i3)
+ for (int i4 = 0; i4 < NUM_SIZE; ++i4)
+ for (int i5 = 0; i5 < NUM_STYLE; ++i5)
+ fontinfo_[i1][i2][i3][i4][i5] = 0;
}
-void GuiFontLoader::update()
+void FontLoader::update()
{
- 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;
+ for (int i1 = 0; i1 < NUM_FAMILIES; ++i1)
+ for (int i2 = 0; i2 < NUM_SERIES; ++i2)
+ for (int i3 = 0; i3 < NUM_SHAPE; ++i3)
+ for (int i4 = 0; i4 < NUM_SIZE; ++i4)
+ for (int i5 = 0; i5 < NUM_STYLE; ++i5) {
+ delete fontinfo_[i1][i2][i3][i4][i5];
+ fontinfo_[i1][i2][i3][i4][i5] = 0;
}
- }
}
-GuiFontLoader::~GuiFontLoader()
+FontLoader::~FontLoader()
{
update();
}
/////////////////////////////////////////////////
+namespace {
-static QString makeFontName(QString const & family, QString const & foundry)
+QString makeFontName(QString const & family, QString const & foundry)
{
QString res = family;
if (!foundry.isEmpty())
}
-GuiFontInfo::GuiFontInfo(FontInfo const & f)
- : metrics(QFont())
+QFont makeQFont(FontInfo const & f)
{
- font.setKerning(false);
+ QFont font;
QString const pat = symbolFamily(f.family());
if (!pat.isEmpty()) {
bool ok;
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.
+#ifdef Q_OS_MAC
+#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
switch (f.realShape()) {
case ITALIC_SHAPE:
+ font.setStyle(QFont::StyleItalic);
+ break;
case SLANTED_SHAPE:
- font.setItalic(true);
+ font.setStyle(QFont::StyleOblique);
+ break;
+ case SMALLCAPS_SHAPE:
+ font.setCapitalization(QFont::SmallCaps);
break;
default:
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);
+ font.setPointSizeF(f.realSize() * lyxrc.zoom / 100.0);
LYXERR(Debug::FONT, "The font has size: " << font.pointSizeF());
- if (f.realShape() != SMALLCAPS_SHAPE) {
- metrics = GuiFontMetrics(font);
- } else {
- // handle small caps ourselves ...
- FontInfo smallfont = f;
- smallfont.decSize().decSize().setShape(UP_SHAPE);
- QFont font2(font);
- font2.setKerning(false);
- font2.setPointSizeF(convert<double>(lyxrc.font_sizes[smallfont.size()])
- * lyxrc.zoom / 100.0);
-
- metrics = GuiFontMetrics(font, font2);
- }
+ return font;
}
+} // anon namespace
-bool GuiFontLoader::available(FontInfo const & f)
+
+GuiFontInfo::GuiFontInfo(FontInfo const & f)
+ : font(makeQFont(f)), metrics(font)
+{}
+
+
+bool FontLoader::available(FontInfo const & f)
{
+ // FIXME THREAD
static vector<int> cache_set(NUM_FAMILIES, false);
static vector<int> cache(NUM_FAMILIES, false);
FontFamily family = f.family();
+#ifdef Q_OS_MAC
+ // Apple ships a font name "Symbol", which has more or less the same
+ // glyphs as the original PostScript Symbol font, but it uses a different
+ // encoding (see https://en.wikipedia.org/wiki/Symbol_(typeface)#cite_note-2).
+ // Since we expect the font specific encoding of the original
+ // PostScript Symbol font, we can't use the one provided on OS X.
+ // See also the discussion in bug 7954.
+ if (f.family() == SYMBOL_FAMILY)
+ return false;
+#endif
if (cache_set[family])
return cache[family];
cache_set[family] = true;
return true;
}
+
+bool FontLoader::canBeDisplayed(char_type c)
+{
+ // bug 8493
+ if (c == 0x0009)
+ // FIXME check whether this is still needed for Qt5
+ return false;
+#if QT_VERSION < 0x050000 && defined(QT_MAC_USE_COCOA) && (QT_MAC_USE_COCOA > 0)
+ // bug 7954, see also comment in GuiPainter::text()
+ if (c == 0x00ad)
+ return false;
+#endif
+ 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