lyx_mirror/src/dimension.C

/**
 * \file dimension.C
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 *  \author Andr<EFBFBD> P<EFBFBD>nitz
 *
 * Full author contact details are available in file CREDITS.
 */

#include <config.h>

#include "dimension.h"
#include "frontends/FontMetrics.h"


namespace lyx {


void Dimension::operator+=(Dimension const & dim)
{
	if (asc < dim.asc)
		asc = dim.asc;
	if (des < dim.des)
		des = dim.des;
	wid += dim.wid;
}


void Dimension::clear(LyXFont const & font)
{
	frontend::FontMetrics const & fm = theFontMetrics(font);
	asc = fm.maxAscent();
	des = fm.maxDescent();
	wid = 0;
}


void Dimension::set(LyXFont const & font, char_type c)
{
	frontend::FontMetrics const & fm = theFontMetrics(font);
	des = fm.descent(c);
	asc = fm.ascent(c);
	wid = fm.width(c);
}

} // namespace lyx