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svg-length.h

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#ifndef __SP_SVG_LENGTH_H__
#define __SP_SVG_LENGTH_H__

/**
 *  \file src/svg/svg-length.h
 *  \brief SVG length type
 *
 * Authors:
 *   Lauris Kaplinski <lauris@kaplinski.com>
 *   Carl Hetherington <inkscape@carlh.net>
 *
 * Copyright (C) 1999-2002 Lauris Kaplinski
 * Copyright (C) 2000-2001 Ximian, Inc.
 *
 * Released under GNU GPL, read the file 'COPYING' for more information
 */

class SVGLength
{
public:
  
    enum Unit {
        NONE,
      PX,
      PT,
      PC,
      MM,
      CM,
      INCH,
      FOOT,
      EM,
      EX,
      PERCENT
    };

    bool _set;
    Unit unit;
    float value;
    float computed;

    float operator=(float v) {
        _set = true;
      unit = NONE;
      value = computed = v;
      return v;
    }

    bool read(gchar const *str);
    void readOrUnset(gchar const *str, Unit u = NONE, float v = 0, float c = 0);
    bool readAbsolute(gchar const *str);
    void set(Unit u, float v, float c);
    void unset(Unit u = NONE, float v = 0, float c = 0);
    void update(double em, double ex, double scale);
};

#endif

/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :

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