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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 *    OpenOffice.org - a multi-platform office productivity suite
 *
 *    Author:
 *      Jan Holesovsky   <kendy@suse.cz>
 *      Fridrich Strba   <fridrich.strba@bluewin.ch>
 *      Thorsten Behrens <tbehrens@novell.com>
 *
 *      Copyright (C) 2008, Novell Inc.
 *
 *   The Contents of this file are made available subject to
 *   the terms of GNU Lesser General Public License Version 3.
 *
 ************************************************************************/

#ifndef INCLUDED_UNITS_HXX
#define INCLUDED_UNITS_HXX

#include <sal/config.h>

namespace rtl{ class OUString; }
namespace svgi
{
    struct State;
    enum SvgUnit
    {
        SVG_LENGTH_UNIT_CM,
        SVG_LENGTH_UNIT_EM,
        SVG_LENGTH_UNIT_EX,
        SVG_LENGTH_UNIT_IN,
        SVG_LENGTH_UNIT_MM,
        SVG_LENGTH_UNIT_PC,
        SVG_LENGTH_UNIT_PT,
        SVG_LENGTH_UNIT_PX,
        SVG_LENGTH_UNIT_PERCENTAGE,
        SVG_LENGTH_UNIT_USER
    };

    /** return svg_length_t in 100th's of mm
         @param fVal value to convert
         @param unit unit the value is in
         @param rState current state (needed for viewport dimensions etc.)
         @param dir direction - either 'h' or 'v' for horizonal or vertical, resp.
     */
    double convLength( double fVal, SvgUnit unit, const State& rState, char dir );

    /** return svg_length_t in 100th's of mm
         @param sValue value to convert
         @param rState current state (needed for viewport dimensions etc.)
         @param dir direction - either 'h' or 'v' for horizonal or vertical, resp.
     */
    double convLength( const rtl::OUString& sValue, const State& rState, char dir );

    inline double pt2mm(double fVal) { return fVal*25.4/72.0; }
    inline double pt100thmm(double fVal) { return fVal*2540.0/72.0; }

} // namespace svgi

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */