/************************************************************************
 * This file has been generated automatically from                      *
 *                                                                      *
 * src/core/diagram/qgsdiagram.h                                        *
 *                                                                      *
 * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
 ************************************************************************/




class QgsDiagram
{
%Docstring
 Base class for all diagram types*
%End

%TypeHeaderCode
#include "qgsdiagram.h"
%End
  public:

    virtual ~QgsDiagram();

    virtual QgsDiagram *clone() const = 0 /Factory/;
%Docstring
 Returns an instance that is equivalent to this one
.. versionadded:: 2.4
 :rtype: QgsDiagram
%End

    void clearCache();

    QgsExpression *getExpression( const QString &expression, const QgsExpressionContext &context );
%Docstring
 Returns a prepared expression for the specified context.
 \param expression expression string
 \param context expression context
.. versionadded:: 2.12
 :rtype: QgsExpression
%End

    virtual void renderDiagram( const QgsFeature &feature, QgsRenderContext &c, const QgsDiagramSettings &s, QPointF position ) = 0;
%Docstring
Draws the diagram at the given position (in pixel coordinates)
%End

    virtual QString diagramName() const = 0;
%Docstring
 Get a descriptive name for this diagram type.
 :rtype: str
%End
    virtual QSizeF diagramSize( const QgsAttributes &attributes, const QgsRenderContext &c, const QgsDiagramSettings &s ) = 0;
%Docstring
Returns the size in map units the diagram will use to render.
 :rtype: QSizeF
%End
    virtual QSizeF diagramSize( const QgsFeature &feature, const QgsRenderContext &c, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &is ) = 0;
%Docstring
Returns the size in map units the diagram will use to render. Interpolate size
 :rtype: QSizeF
%End

    virtual double legendSize( double value, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &is ) const = 0;
%Docstring
 Returns the size of the legend item for the diagram corresponding to a specified value.
 \param value value to return legend item size for
 \param s diagram settings
 \param is interpolation settings
.. versionadded:: 2.16
 :rtype: float
%End

  protected:

    QgsDiagram();
%Docstring
 Constructor for QgsDiagram.
%End
    QgsDiagram( const QgsDiagram &other );

    void setPenWidth( QPen &pen, const QgsDiagramSettings &s, const QgsRenderContext &c );
%Docstring
 Changes the pen width to match the current settings and rendering context
  \param pen The pen to modify
  \param s   The settings that specify the pen width
  \param c   The rendering specifying the proper scale units for pixel conversion
%End

    QSizeF sizePainterUnits( QSizeF size, const QgsDiagramSettings &s, const QgsRenderContext &c );
%Docstring
 Calculates a size to match the current settings and rendering context
  \param size The size to convert
  \param s    The settings that specify the size type
  \param c    The rendering specifying the proper scale units for pixel conversion

  :return: The converted size for rendering
 :rtype: QSizeF
%End

    double sizePainterUnits( double l, const QgsDiagramSettings &s, const QgsRenderContext &c );
%Docstring
 Calculates a length to match the current settings and rendering context
  \param l    The length to convert
  \param s    Unused
  \param c    The rendering specifying the proper scale units for pixel conversion

  :return: The converted length for rendering
 :rtype: float
%End

    QFont scaledFont( const QgsDiagramSettings &s, const QgsRenderContext &c );
%Docstring
 Calculates a size to match the current settings and rendering context
  \param s    The settings that contain the font size and size type
  \param c    The rendering specifying the proper scale units for pixel conversion

  :return: The properly scaled font for rendering
 :rtype: QFont
%End

    QSizeF sizeForValue( double value, const QgsDiagramSettings &s, const QgsDiagramInterpolationSettings &is ) const;
%Docstring
 Returns the scaled size of a diagram for a value, respecting the specified diagram interpolation settings.
 \param value value to calculate corresponding circular size for
 \param s diagram settings
 \param is interpolation settings
.. versionadded:: 2.16
 :rtype: QSizeF
%End

};

/************************************************************************
 * This file has been generated automatically from                      *
 *                                                                      *
 * src/core/diagram/qgsdiagram.h                                        *
 *                                                                      *
 * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
 ************************************************************************/