#include "qfontenginemultifontconfig_p.h"
#include <QtGui/private/qfontengine_ft_p.h>
-#include <fontconfig/fontconfig.h>
#include <QtGui/private/qfontengine_ft_p.h>
QT_BEGIN_NAMESPACE
{
}
+QFontEngineMultiFontConfig::~QFontEngineMultiFontConfig()
+{
+ Q_FOREACH (FcPattern *pattern, cachedMatchPatterns) {
+ if (pattern)
+ FcPatternDestroy(pattern);
+ }
+}
+
bool QFontEngineMultiFontConfig::shouldLoadFontEngineForCharacter(int at, uint ucs4) const
{
QFontEngineFT *fontEngine = static_cast<QFontEngineFT *>(engines.at(at));
FcCharSet *charSet = fontEngine->freetype->charset;
charSetHasChar = FcCharSetHasChar(charSet, ucs4);
} else {
- FcPattern *requestPattern = FcPatternCreate();
-
- FcValue value;
- value.type = FcTypeString;
- QByteArray cs = fallbackFamilyAt(at-1).toUtf8();
- value.u.s = reinterpret_cast<const FcChar8 *>(cs.data());
- FcPatternAdd(requestPattern, FC_FAMILY, value, true);
-
- FcResult result;
- FcPattern *matchPattern = FcFontMatch(0, requestPattern, &result);
+ FcPattern *matchPattern = getMatchPatternForFallback(at - 1);
if (matchPattern != 0) {
FcCharSet *charSet;
FcPatternGetCharSet(matchPattern, FC_CHARSET, 0, &charSet);
charSetHasChar = FcCharSetHasChar(charSet, ucs4);
- FcPatternDestroy(matchPattern);
}
-
- FcPatternDestroy(requestPattern);
}
return charSetHasChar;
}
+
+FcPattern * QFontEngineMultiFontConfig::getMatchPatternForFallback(int fallBackIndex) const
+{
+ Q_ASSERT(fallBackIndex < fallbackFamilyCount());
+ if (engines.size() - 1 > cachedMatchPatterns.size())
+ cachedMatchPatterns.resize(engines.size() - 1);
+ FcPattern *ret = cachedMatchPatterns.at(fallBackIndex);
+ if (ret)
+ return ret;
+ FcPattern *requestPattern = FcPatternCreate();
+ FcValue value;
+ value.type = FcTypeString;
+ QByteArray cs = fallbackFamilyAt(fallBackIndex).toUtf8();
+ value.u.s = reinterpret_cast<const FcChar8 *>(cs.data());
+ FcPatternAdd(requestPattern, FC_FAMILY, value, true);
+ FcResult result;
+ ret = FcFontMatch(0, requestPattern, &result);
+ cachedMatchPatterns.insert(fallBackIndex, ret);
+ FcPatternDestroy(requestPattern);
+ return ret;
+}
+
QT_END_NAMESPACE
#define QFONTENGINEMULTIFONTCONFIG_H
#include <QtGui/private/qfontengine_qpa_p.h>
+#include <fontconfig/fontconfig.h>
QT_BEGIN_NAMESPACE
public:
explicit QFontEngineMultiFontConfig(QFontEngine *fe, int script, const QStringList &fallbacks);
+ ~QFontEngineMultiFontConfig();
+
bool shouldLoadFontEngineForCharacter(int at, uint ucs4) const;
+private:
+ FcPattern* getMatchPatternForFallback(int at) const;
+
+ mutable QVector<FcPattern*> cachedMatchPatterns;
};
QT_END_NAMESPACE