QGIS/python/core/dxf/qgsdxfexport.sip

/***************************************************************************
                         qgsdxfexport.sip
                         ----------------
    begin                : September 2013
    copyright            : (C) 2013 by Marco Hugentobler
    email                : marco at sourcepole dot ch
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

class QgsDxfExport
{
%TypeHeaderCode
#include <qgsdxfexport.h>
%End
  public:
    enum SymbologyExport
    {
      NoSymbology, //export only data
      FeatureSymbology, //Keeps the number of features and export symbology per feature (using the first symbol level)
      SymbolLayerSymbology //Exports one feature per symbol layer (considering symbol levels)
    };

    QgsDxfExport();
    ~QgsDxfExport();

    void addLayers( const QList< QPair<QgsVectorLayer *, int > > &layers );
    int writeToFile( QIODevice *d, QString codec );  //maybe add progress dialog? other parameters (e.g. scale, dpi)?

    void setSymbologyScaleDenominator( double d );
    double symbologyScaleDenominator() const;

    void setMapUnits( QGis::UnitType u );
    QGis::UnitType mapUnits() const;

    void setSymbologyExport( QgsDxfExport::SymbologyExport e );
    QgsDxfExport::SymbologyExport symbologyExport() const;

    void setExtent( const QgsRectangle &r );
    QgsRectangle extent() const;

    //get closest entry in dxf palette
    static int closestColorMatch( QRgb pixel );

    QString layerName( const QString &id, const QgsFeature &f ) const;

    //! @note available in python bindings as writeGroupInt
    void writeGroup( int code, int i ) /PyName=writeGroupInt/;
    //! @note available in python bindings as writeGroupDouble
    void writeGroup( int code, double d ) /PyName=writeGroupDouble/;
    void writeGroup( int code, const QString &s );
    void writeGroupCode( int code );
    void writeInt( int i );
    void writeDouble( double d );
    void writeString( const QString &s );
    void writeGroup( int code, const QgsPoint &p, double z = 0.0, bool skipz = false ) /PyName=writeGroupPoint/;
    void writeGroup( QColor color, int exactMatch = 62, int rgbCode = 420, int transparencyCode = 440 );

    int writeHandle( int code = 5, int handle = 0 );

    //draw dxf primitives
    void writePolyline( const QgsPolyline &line, const QString &layer, const QString &lineStyleName, QColor color,
                        double width = -1, bool polygon = false );

    void writePolygon( const QgsPolygon &polygon, const QString &layer, const QString &hatchPattern, QColor color );

    void writeSolid( const QString &layer, QColor color, const QgsPoint &pt1, const QgsPoint &pt2, const QgsPoint &pt3, const QgsPoint &pt4 );

    //write line (as a polyline)
    void writeLine( const QgsPoint &pt1, const QgsPoint &pt2, const QString &layer, const QString &lineStyleName, QColor color, double width = -1 );

    void writePoint( const QString &layer, QColor color, const QgsPoint &pt );

    void writeFilledCircle( const QString &layer, QColor color, const QgsPoint &pt, double radius );

    void writeCircle( const QString &layer, QColor color, const QgsPoint &pt, double radius, const QString &lineStyleName, double width );

    void writeText( const QString &layer, const QString &text, const QgsPoint &pt, double size, double angle, QColor color );

    void writeMText( const QString &layer, const QString &text, const QgsPoint &pt, double width, double angle, QColor color );

    static double mapUnitScaleFactor( double scaleDenominator, QgsSymbolV2::OutputUnit symbolUnits, QGis::UnitType mapUnits );

    static QString dxfLayerName( const QString &name );

};