VectorComposer.h

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//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2005-2007 Torsten Rahn <tackat@kde.org>
// Copyright 2007      Inge Wallin  <ingwa@kde.org>
//


//
// The VectorComposer maps the data stored as polylines onto the
// respective projection.
//
// Author: Torsten Rahn
//

#ifndef MARBLE_VECTORCOMPOSER_H
#define MARBLE_VECTORCOMPOSER_H


#include <QObject>
#include <QVector>
#include <QBrush>
#include <QPen>

class QColor;

namespace Marble
{

class GeoPainter;
class PntMap;
class VectorMap;
class ViewportParams;


class VectorComposer : public QObject
{
    Q_OBJECT
 public:
    explicit VectorComposer( QObject * parent = 0 );
    virtual ~VectorComposer();

    void  drawTextureMap( GeoPainter *painter, const ViewportParams *viewport );
    void  paintBaseVectorMap( GeoPainter *, const ViewportParams * );
    void  paintVectorMap( GeoPainter *, const ViewportParams * );

    void setShowWaterBodies( bool show );
    void setShowLakes( bool show );
    void setShowIce( bool show );
    void setShowCoastLines( bool show );
    void setShowRivers( bool show );
    void setShowBorders( bool show );

    void setOceanColor( const QColor& color ){ 
        m_oceanBrush = QBrush( color );
        m_oceanPen = QPen( Qt::NoPen );
    }

    void setLandColor( const QColor& color ){ 
        m_landBrush = QBrush( color );
    }

    void setCoastColor( const QColor& color ){ 
        m_landPen = QPen( color );
    }

    void setLakeColor( const QColor& color ){ 
        m_lakeBrush = QBrush( color );
        m_lakePen = QPen( Qt::NoPen );
    }

    void setRiverColor( const QColor& color ){ 
        m_riverBrush = QBrush( Qt::NoBrush );
        m_riverPen = QPen( color );
    }

    void setCountryBorderColor( const QColor& color ){ 
        m_countryBrush = QBrush( Qt::NoBrush );
        m_countryPen = QPen( color );
    }

    void setStateBorderColor( const QColor& color ){ 
        m_stateBrush = QBrush( Qt::NoBrush );
        m_statePen = QPen( color );
        m_statePen.setStyle( Qt::DotLine );
    }

 Q_SIGNALS:
    void datasetLoaded();

 private:
    // This method contains all the polygons that define the coast lines.
    static inline void loadCoastlines();

    // This method contains all the other polygons
    static inline void loadOverlays();

 private:
    Q_DISABLE_COPY( VectorComposer )
    VectorMap  *m_vectorMap;

    bool m_showWaterBodies;
    bool m_showLakes;
    bool m_showIce;
    bool m_showCoastLines;
    bool m_showRivers;
    bool m_showBorders;

    static QAtomicInt refCounter;

    static PntMap *s_coastLines;

    static PntMap *s_islands;
    static PntMap *s_lakeislands;
    static PntMap *s_lakes;
    static PntMap *s_glaciers;
    static PntMap *s_rivers;

    static PntMap *s_countries;    // The country borders
    static PntMap *s_usaStates;    // The states of the USA

    static PntMap *s_dateLine;

    QPen        m_oceanPen;
    QBrush      m_oceanBrush;

    QPen        m_landPen;
    QBrush      m_landBrush;

    QPen        m_lakePen;
    QBrush      m_lakeBrush;

    QPen        m_countryPen;
    QBrush      m_countryBrush;

    QPen        m_statePen;
    QBrush      m_stateBrush;

    QPen        m_riverPen;
    QBrush      m_riverBrush;

    QPen        m_textureLandPen;
    QBrush      m_textureLandBrush;
    QPen        m_textureBorderPen;
    QBrush      m_textureGlacierBrush;
    QBrush      m_textureLakeBrush;

    QPen        m_dateLinePen;
    QBrush      m_dateLineBrush;

    QVector<qreal> m_dashes;

    static bool s_coastLinesLoaded;
    static bool s_overlaysLoaded;
};

}

#endif