/*
    Scan Tailor - Interactive post-processing tool for scanned pages.
    Copyright (C) 2007-2009  Joseph Artsimovich <joseph_a@mail.ru>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef BASIC_SPLINE_VISUALIZER_H_
#define BASIC_SPLINE_VISUALIZER_H_

#include "EditableZoneSet.h"
#include "EditableEllipse.h"
#include <QPen>
#include <QColor>

class QPainter;
class QTransform;

class BasicSplineVisualizer
{
public:
    BasicSplineVisualizer();

    QRgb solidColor() const
    {
        return m_solidColor;
    }

    QRgb highlightBrightColor() const
    {
        return m_highlightBrightColor;
    }

    QRgb highlightDarkColor() const
    {
        return m_highlightDarkColor;
    }

    void drawVertex(QPainter& painter, QPointF const& pt, QColor const& color);

    void drawZones(QPainter& painter, QTransform const& to_screen,
                     EditableZoneSet const& zones);

    void drawZone(QPainter& painter, QTransform const& to_screen,
                  EditableZoneSet::Zone const& zone);

    virtual void drawSpline(QPainter& painter, QTransform const& to_screen,
                            EditableSpline::Ptr const& spline);

    virtual void drawEllipse(QPainter& painter, QTransform const& to_screen,
                            EditableEllipse::Ptr const& ellipse);

    virtual void prepareForSpline(QPainter& painter, EditableSpline::Ptr const& spline);

    virtual void prepareForEllipse(QPainter& painter, EditableEllipse::Ptr const& ellipse);
protected:
    QRgb m_solidColor;
    QRgb m_highlightBrightColor;
    QRgb m_highlightDarkColor;
    QPen m_pen;
};

#endif
