AxisPainter.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2012.
//
// This software is released under a three-clause BSD license:
//  * Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
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//    documentation and/or other materials provided with the distribution.
//  * Neither the name of any author or any participating institution
//    may be used to endorse or promote products derived from this software
//    without specific prior written permission.
// For a full list of authors, refer to the file AUTHORS.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg $
// $Authors: Timo Sachsenberg $
// --------------------------------------------------------------------------

#ifndef OPENMS_VISUAL_AXISPAINTER_H
#define OPENMS_VISUAL_AXISPAINTER_H

#include <QtGui/QPainter>

#include <vector>
#include <OpenMS/CONCEPT/Types.h>
#include <OpenMS/DATASTRUCTURES/String.h>
#include <QtGui/QPaintEvent>

namespace OpenMS
{
  class OPENMS_GUI_DLLAPI AxisPainter
  {
public:
    typedef std::vector<std::vector<double> > GridVector;

    enum Alignment
    {
      TOP,
      BOTTOM,
      LEFT,
      RIGHT
    };

    static void paint(QPainter * painter, QPaintEvent * e, const DoubleReal & min, const DoubleReal & max, const GridVector & grid,
                      const Int width, const Int height, const Alignment alignment, const UInt margin,
                      const bool show_legend, const String legend, const bool shorten_number,
                      const bool is_log, const bool is_inverse_orientation);
private:
    AxisPainter();

    static void getShortenedNumber_(QString & short_num, DoubleReal number);

    static DoubleReal scale_(DoubleReal x, bool is_log);
  };
}
#endif