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update comments.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@16142 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2006-12-02 21:55:28 +00:00
parent 75d0226ce8
commit 88d16356f2
1 changed files with 1 additions and 7 deletions
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8
src/frontends/qt4/GuiFontMetrics.h
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@ -19,8 +19,6 @@
#include <QFontMetrics>
#include <QHash>
// Starting with version 3.1.0, Qt/X11 does its own caching of
// character width, so it is not necessary to provide ours.
#if defined(Q_WS_MACX) || defined(Q_WS_WIN32)
#define USE_LYX_FONTCACHE
#endif
@ -75,17 +73,13 @@ private:
#ifdef USE_LYX_FONTCACHE
/// Cache of char widths
/** This cache adds 20Mo of memory to the LyX executable when
* loading UserGuide.lyx which contains a good number of fonts. If
* this turns out to be too much, we can switch to a \c QHash based
* solution.
**/
mutable QHash<char_type, int> width_cache_;
struct AscendDescend {
short int ascent;
short int descent;
};
/// Cache of char ascends and descends
mutable QHash<char_type, AscendDescend> metrics_cache_;
/// fill in \c metrics_cache_ at specified value.
void fillMetricsCache(char_type) const;