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8283e978f8
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3803 a592a061-630c-0410-9148-cb99ea01b6c8
66 lines
1.2 KiB
C++
66 lines
1.2 KiB
C++
// -*- C++ -*-
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995-2001 The LyX Team
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*
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* ======================================================*/
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#ifndef COLOR_HANDLER_H
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#define COLOR_HANDLER_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include <boost/smart_ptr.hpp>
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// This is only included to provide stuff for the non-public sections
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#include <X11/Xlib.h>
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#include "PainterBase.h"
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class LyXFont;
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/**
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* This is a factory class that can produce GCs with a specific
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* color. It will cache GCs for performance.
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*/
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class LyXColorHandler {
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public:
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///
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LyXColorHandler();
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///
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~LyXColorHandler();
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///
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unsigned long colorPixel(LColor::color c);
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///
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GC getGCForeground(LColor::color c);
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///
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GC getGCLinepars(PainterBase::line_style,
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PainterBase::line_width, LColor::color c);
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/// update the cache after a color definition change
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void updateColor(LColor::color c);
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private:
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///
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Display * display;
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///
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Colormap colormap;
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///
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GC colorGCcache[LColor::ignore + 1];
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///
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typedef std::map<int, GC> LineGCCache;
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///
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LineGCCache lineGCcache;
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///
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Pixmap drawable;
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};
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///
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extern boost::scoped_ptr<LyXColorHandler> lyxColorHandler;
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#endif
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