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74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
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// -*- C++ -*-
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/**
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* \file qfont_loader.h
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* Copyright 1997 the LyX Team
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* Read the file COPYING
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*
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* \author John Levon <moz@compsoc.man.ac.uk>
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*/
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#ifndef QFONTLOADER_H
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#define QFONTLOADER_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include <config.h>
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#include <boost/smart_ptr.hpp>
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#include "lyxfont.h"
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#include "LString.h"
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#include <qfont.h>
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#include <qfontmetrics.h>
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/**
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* Qt font loader for LyX. Matches LyXFonts against
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* actual QFont instances, and also caches metrics.
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*/
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class qfont_loader {
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public:
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qfont_loader();
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virtual ~qfont_loader();
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/// update fonts after zoom, dpi, font names, or norm change
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virtual void update();
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/// do we have anything matching?
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virtual bool available(LyXFont const & f);
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/// get the QFont for this LyXFont
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QFont const & get(LyXFont const & f) {
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return getfontinfo(f)->font;
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}
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/// get the QFont metrics for this LyXFont
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QFontMetrics const & metrics(LyXFont const & f) {
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return getfontinfo(f)->metrics;
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}
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private:
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/// hold info about a particular font
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struct font_info {
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font_info(LyXFont const & f);
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/// the font instance
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QFont font;
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/// metrics on the font
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QFontMetrics metrics;
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};
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/// get font info (font + metrics) for the given LyX font. Does not fail.
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font_info const * getfontinfo(LyXFont const & f);
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/// BUTT ugly !
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boost::scoped_ptr<font_info> fontinfo_[LyXFont::NUM_FAMILIES][2][4][10];
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};
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extern qfont_loader fontloader;
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#endif // QFONT_LOADER_H
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