#include "support/docstring.h"
-#include <map>
-
+#include <QByteArray>
+#include <QCache>
#include <QFont>
#include <QFontMetrics>
#include <QHash>
+#include <QTextLayout>
namespace lyx {
namespace frontend {
int width(QString const & str) const;
private:
+
+ QTextLayout const &
+ getTextLayout(docstring const & s, QFont font,
+ bool const rtl, double const wordspacing) const;
+
/// The font
QFont font_;
mutable QHash<char_type, int> width_cache_;
/// Cache of string widths
- /// FIXME Try to use a QHash (this requires to define qHash(docstring))
- mutable std::map<docstring, int> strwidth_cache_;
+ mutable QCache<QByteArray, int> strwidth_cache_;
struct AscendDescend {
int ascent;
/// Cache of char right bearings
mutable QHash<char_type, int> rbearing_cache_;
+
+ // A trivial QTextLayout cache
+ mutable QTextLayout tl_cache_;
+ mutable docstring tl_cache_s_;
+ mutable QFont tl_cache_font_;
+ mutable bool tl_cache_rtl_;
+ mutable double tl_cache_wordspacing_;
+
};
} // namespace frontend