mirror of
https://github.com/qgis/QGIS.git
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945 lines
22 KiB
Plaintext
945 lines
22 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/qgsdiagramrenderer.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsDiagramLayerSettings
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{
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%Docstring
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Stores the settings for rendering of all diagrams for a layer.
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QgsDiagramSettings stores the settings related to rendering the individual diagrams themselves, while
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QgsDiagramLayerSettings stores settings which control how ALL diagrams within a layer are rendered.
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%End
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%TypeHeaderCode
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#include "qgsdiagramrenderer.h"
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%End
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public:
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enum Placement
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{
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AroundPoint,
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OverPoint,
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Line,
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Curved,
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Horizontal,
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Free
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};
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enum LinePlacementFlag
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{
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OnLine,
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AboveLine,
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BelowLine,
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MapOrientation,
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};
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typedef QFlags<QgsDiagramLayerSettings::LinePlacementFlag> LinePlacementFlags;
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enum Property
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{
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BackgroundColor,
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StrokeColor,
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StrokeWidth,
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PositionX,
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PositionY,
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Distance,
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Priority,
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ZIndex,
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IsObstacle,
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Show,
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AlwaysShow,
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StartAngle,
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};
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static const QgsPropertiesDefinition &propertyDefinitions();
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%Docstring
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Returns the diagram property definitions.
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.. versionadded:: 3.0
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%End
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QgsDiagramLayerSettings();
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%Docstring
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Constructor for QgsDiagramLayerSettings.
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%End
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QgsDiagramLayerSettings( const QgsDiagramLayerSettings &rh );
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%Docstring
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Copy constructor
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%End
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~QgsDiagramLayerSettings();
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Placement placement() const;
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%Docstring
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Returns the diagram placement.
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.. seealso:: :py:func:`setPlacement`
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.. versionadded:: 2.16
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%End
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void setPlacement( Placement value );
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%Docstring
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Sets the diagram placement.
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:param value: placement value
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.. seealso:: :py:func:`placement`
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.. versionadded:: 2.16
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%End
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LinePlacementFlags linePlacementFlags() const;
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%Docstring
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Returns the diagram placement flags. These are only used if the diagram placement
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is set to a line type.
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.. seealso:: :py:func:`setLinePlacementFlags`
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.. versionadded:: 2.16
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%End
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void setLinePlacementFlags( LinePlacementFlags flags );
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%Docstring
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Sets the the diagram placement flags. These are only used if the diagram placement
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is set to a line type.
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:param flags: placement value
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.. seealso:: :py:func:`linePlacementFlags`
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.. versionadded:: 2.16
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%End
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int priority() const;
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%Docstring
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Returns the diagram priority.
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:return: diagram priority, where 0 = low and 10 = high
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.. note::
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placement priority is shared with labeling, so diagrams with a high priority may displace labels
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and vice-versa
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.. seealso:: :py:func:`setPriority`
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.. versionadded:: 2.16
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%End
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void setPriority( int value );
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%Docstring
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Sets the diagram priority.
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:param value: priority, where 0 = low and 10 = high
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.. seealso:: :py:func:`priority`
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.. versionadded:: 2.16
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%End
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double zIndex() const;
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%Docstring
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Returns the diagram z-index. Diagrams (or labels) with a higher z-index are drawn over diagrams
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with a lower z-index.
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.. note::
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z-index ordering is shared with labeling, so diagrams with a high z-index may be drawn over labels
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with a low z-index and vice-versa
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.. seealso:: :py:func:`setZIndex`
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.. versionadded:: 2.16
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%End
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void setZIndex( double index );
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%Docstring
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Sets the diagram z-index. Diagrams (or labels) with a higher z-index are drawn over diagrams
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with a lower z-index.
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:param index: diagram z-index
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.. seealso:: :py:func:`zIndex`
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.. versionadded:: 2.16
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%End
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bool isObstacle() const;
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%Docstring
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Returns whether the feature associated with a diagram acts as an obstacle for other labels or diagrams.
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.. seealso:: :py:func:`setIsObstacle`
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.. versionadded:: 2.16
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%End
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void setIsObstacle( bool isObstacle );
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%Docstring
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Sets whether the feature associated with a diagram acts as an obstacle for other labels or diagrams.
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:param isObstacle: set to ``True`` for feature to act as obstacle
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.. seealso:: :py:func:`isObstacle`
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.. versionadded:: 2.16
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%End
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double distance() const;
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%Docstring
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Returns the distance between the diagram and the feature (in mm).
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.. seealso:: :py:func:`setDistance`
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.. versionadded:: 2.16
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%End
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void setDistance( double distance );
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%Docstring
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Sets the distance between the diagram and the feature.
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:param distance: distance in mm
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.. seealso:: :py:func:`distance`
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.. versionadded:: 2.16
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%End
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QgsDiagramRenderer *renderer();
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%Docstring
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Returns the diagram renderer associated with the layer.
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.. seealso:: :py:func:`setRenderer`
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.. versionadded:: 2.16
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%End
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void setRenderer( QgsDiagramRenderer *diagramRenderer /Transfer/ );
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%Docstring
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Sets the diagram renderer associated with the layer.
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:param diagramRenderer: diagram renderer. Ownership is transferred to the object.
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.. seealso:: :py:func:`renderer`
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.. versionadded:: 2.16
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%End
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QgsCoordinateTransform coordinateTransform() const;
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%Docstring
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Returns the coordinate transform associated with the layer, or an
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invalid transform if no transformation is required.
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.. seealso:: :py:func:`setCoordinateTransform`
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.. versionadded:: 2.16
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%End
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void setCoordinateTransform( const QgsCoordinateTransform &transform );
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%Docstring
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Sets the coordinate transform associated with the layer.
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:param transform: coordinate transform. Ownership is transferred to the object.
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.. seealso:: :py:func:`coordinateTransform`
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.. versionadded:: 2.16
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%End
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bool showAllDiagrams() const;
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%Docstring
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Returns whether the layer should show all diagrams, including overlapping diagrams
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.. seealso:: :py:func:`setShowAllDiagrams`
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.. versionadded:: 2.16
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%End
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void setShowAllDiagrams( bool showAllDiagrams );
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%Docstring
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Sets whether the layer should show all diagrams, including overlapping diagrams
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:param showAllDiagrams: set to ``True`` to show all diagrams
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.. seealso:: :py:func:`showAllDiagrams`
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.. versionadded:: 2.16
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%End
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void readXml( const QDomElement &elem );
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%Docstring
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Reads the diagram settings from a DOM element.
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.. seealso:: :py:func:`writeXml`
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%End
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void writeXml( QDomElement &layerElem, QDomDocument &doc ) const;
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%Docstring
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Writes the diagram settings to a DOM element.
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.. seealso:: :py:func:`readXml`
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%End
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bool prepare( const QgsExpressionContext &context = QgsExpressionContext() ) const;
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%Docstring
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Prepares the diagrams for a specified expression context. Calling prepare before rendering
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multiple diagrams allows precalculation of expensive setup tasks such as parsing expressions.
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Returns ``True`` if preparation was successful.
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.. versionadded:: 3.0
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%End
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QSet< QString > referencedFields( const QgsExpressionContext &context = QgsExpressionContext() ) const;
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%Docstring
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Returns the set of any fields referenced by the layer's diagrams.
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:param context: expression context the diagrams will be drawn using
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.. versionadded:: 2.16
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%End
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QgsPropertyCollection &dataDefinedProperties();
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%Docstring
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Returns a reference to the diagram's property collection, used for data defined overrides.
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.. seealso:: :py:func:`setDataDefinedProperties`
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.. versionadded:: 3.0
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%End
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void setDataDefinedProperties( const QgsPropertyCollection &collection );
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%Docstring
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Sets the diagram's property collection, used for data defined overrides.
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:param collection: property collection. Existing properties will be replaced.
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.. seealso:: :py:func:`dataDefinedProperties`
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.. seealso:: Property
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.. versionadded:: 3.0
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%End
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};
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class QgsDiagramSettings
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{
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%Docstring
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Stores the settings for rendering a single diagram.
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QgsDiagramSettings stores the settings related to rendering the individual diagrams themselves, while
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QgsDiagramLayerSettings stores settings which control how ALL diagrams within a layer are rendered.
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%End
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%TypeHeaderCode
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#include "qgsdiagramrenderer.h"
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%End
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public:
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enum LabelPlacementMethod
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{
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Height,
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XHeight
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};
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enum DiagramOrientation
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{
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Up,
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Down,
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Left,
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Right
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};
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enum Direction
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{
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Clockwise,
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Counterclockwise,
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};
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QgsDiagramSettings();
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%Docstring
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Constructor for QgsDiagramSettings
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%End
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~QgsDiagramSettings();
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QgsDiagramSettings( const QgsDiagramSettings &other );
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%Docstring
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Copy constructor
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%End
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bool enabled;
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QFont font;
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QList< QColor > categoryColors;
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QList< QString > categoryAttributes;
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QList< QString > categoryLabels;
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QSizeF size; //size
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QgsUnitTypes::RenderUnit sizeType;
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QgsMapUnitScale sizeScale;
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QgsUnitTypes::RenderUnit lineSizeUnit;
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QgsMapUnitScale lineSizeScale;
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QColor backgroundColor;
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QColor penColor;
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double penWidth;
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LabelPlacementMethod labelPlacementMethod;
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DiagramOrientation diagramOrientation;
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double barWidth;
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double opacity;
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bool scaleByArea;
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double rotationOffset;
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bool scaleBasedVisibility;
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double maximumScale;
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double minimumScale;
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double minimumSize;
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double spacing() const;
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%Docstring
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Returns the spacing between diagram contents.
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Spacing units can be retrieved by calling :py:func:`~QgsDiagramSettings.spacingUnit`.
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.. seealso:: :py:func:`setSpacing`
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.. seealso:: :py:func:`spacingUnit`
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.. seealso:: :py:func:`spacingMapUnitScale`
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.. versionadded:: 3.12
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%End
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void setSpacing( double spacing );
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%Docstring
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Sets the ``spacing`` between diagram contents.
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Spacing units are set via :py:func:`~QgsDiagramSettings.setSpacingUnit`.
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.. seealso:: :py:func:`spacing`
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.. seealso:: :py:func:`setSpacingUnit`
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.. seealso:: :py:func:`setSpacingMapUnitScale`
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.. versionadded:: 3.12
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%End
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void setSpacingUnit( QgsUnitTypes::RenderUnit unit );
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%Docstring
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Sets the ``unit`` for the content spacing.
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.. seealso:: :py:func:`spacingUnit`
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.. seealso:: :py:func:`setSpacing`
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.. seealso:: :py:func:`setSpacingMapUnitScale`
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.. versionadded:: 3.12
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%End
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QgsUnitTypes::RenderUnit spacingUnit() const;
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%Docstring
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Returns the units for the content spacing.
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.. seealso:: :py:func:`setSpacingUnit`
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.. seealso:: :py:func:`spacing`
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.. seealso:: :py:func:`spacingMapUnitScale`
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.. versionadded:: 3.12
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%End
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void setSpacingMapUnitScale( const QgsMapUnitScale &scale );
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%Docstring
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Sets the map unit ``scale`` for the content spacing.
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.. seealso:: :py:func:`spacingMapUnitScale`
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.. seealso:: :py:func:`setSpacing`
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.. seealso:: :py:func:`setSpacingUnit`
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.. versionadded:: 3.12
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%End
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const QgsMapUnitScale &spacingMapUnitScale() const;
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%Docstring
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Returns the map unit scale for the content spacing.
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.. seealso:: :py:func:`setSpacingMapUnitScale`
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.. seealso:: :py:func:`spacing`
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.. seealso:: :py:func:`spacingUnit`
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.. versionadded:: 3.12
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%End
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Direction direction() const;
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%Docstring
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Returns the chart's angular direction.
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.. seealso:: :py:func:`setDirection`
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.. versionadded:: 3.12
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%End
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void setDirection( Direction direction );
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%Docstring
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Sets the chart's angular ``direction``.
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.. seealso:: :py:func:`direction`
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.. versionadded:: 3.12
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%End
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void readXml( const QDomElement &elem, const QgsReadWriteContext &context = QgsReadWriteContext() );
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%Docstring
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Reads diagram settings from XML
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%End
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void writeXml( QDomElement &rendererElem, QDomDocument &doc, const QgsReadWriteContext &context = QgsReadWriteContext() ) const;
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%Docstring
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Writes diagram settings to XML
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%End
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QList< QgsLayerTreeModelLegendNode * > legendItems( QgsLayerTreeLayer *nodeLayer ) const /Factory/;
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%Docstring
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Returns list of legend nodes for the diagram
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.. note::
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caller is responsible for deletion of :py:class:`QgsLayerTreeModelLegendNodes`
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.. versionadded:: 2.10
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%End
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QgsLineSymbol *axisLineSymbol() const;
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%Docstring
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Returns the line symbol to use for rendering axis in diagrams.
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.. seealso:: :py:func:`setAxisLineSymbol`
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.. seealso:: :py:func:`showAxis`
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.. versionadded:: 3.12
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%End
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void setAxisLineSymbol( QgsLineSymbol *symbol /Transfer/ );
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%Docstring
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Sets the line ``symbol`` to use for rendering axis in diagrams.
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Ownership of ``symbol`` is transferred to the settings.
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.. seealso:: :py:func:`axisLineSymbol`
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.. seealso:: :py:func:`setShowAxis`
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.. versionadded:: 3.12
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%End
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bool showAxis() const;
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%Docstring
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Returns ``True`` if the diagram axis should be shown.
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.. seealso:: :py:func:`setShowAxis`
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.. seealso:: :py:func:`axisLineSymbol`
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.. versionadded:: 3.12
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%End
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void setShowAxis( bool showAxis );
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%Docstring
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Sets whether the diagram axis should be shown.
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.. seealso:: :py:func:`showAxis`
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.. seealso:: :py:func:`setAxisLineSymbol`
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.. versionadded:: 3.12
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%End
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QgsPaintEffect *paintEffect() const;
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%Docstring
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Returns the paint effect to use while rendering diagrams.
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.. seealso:: :py:func:`setPaintEffect`
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.. versionadded:: 3.12
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%End
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void setPaintEffect( QgsPaintEffect *effect /Transfer/ );
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%Docstring
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Sets the paint ``effect`` to use while rendering diagrams.
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Ownership of ``effect`` is transferred to the settings.
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.. seealso:: :py:func:`paintEffect`
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.. versionadded:: 3.12
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%End
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};
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class QgsDiagramInterpolationSettings
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{
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%Docstring
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Additional diagram settings for interpolated size rendering.
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%End
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%TypeHeaderCode
|
|
#include "qgsdiagramrenderer.h"
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%End
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public:
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QSizeF lowerSize;
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QSizeF upperSize;
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double lowerValue;
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double upperValue;
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QString classificationField;
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QString classificationAttributeExpression;
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bool classificationAttributeIsExpression;
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};
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class QgsDiagramRenderer
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{
|
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%Docstring
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Evaluates and returns the diagram settings relating to a diagram for a specific feature.
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%End
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|
|
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%TypeHeaderCode
|
|
#include "qgsdiagramrenderer.h"
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%End
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|
%ConvertToSubClassCode
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if ( sipCpp->rendererName() == QStringLiteral( "SingleCategory" ) )
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sipType = sipType_QgsSingleCategoryDiagramRenderer;
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else if ( sipCpp->rendererName() == QStringLiteral( "LinearlyInterpolated" ) )
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sipType = sipType_QgsLinearlyInterpolatedDiagramRenderer;
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else
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sipType = NULL;
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%End
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public:
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QgsDiagramRenderer();
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%Docstring
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Constructor for QgsDiagramRenderer.
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%End
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virtual ~QgsDiagramRenderer();
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virtual QgsDiagramRenderer *clone() const = 0 /Factory/;
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%Docstring
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Returns new instance that is equivalent to this one
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.. versionadded:: 2.4
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%End
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virtual QSizeF sizeMapUnits( const QgsFeature &feature, const QgsRenderContext &c ) const;
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%Docstring
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Returns size of the diagram for a feature in map units. Returns an invalid QSizeF in case of error
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%End
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virtual QString rendererName() const = 0;
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virtual QList<QString> diagramAttributes() const = 0;
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%Docstring
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Returns attribute indices needed for diagram rendering
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%End
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virtual QSet< QString > referencedFields( const QgsExpressionContext &context = QgsExpressionContext() ) const;
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%Docstring
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Returns the set of any fields required for diagram rendering
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:param context: expression context the diagrams will be drawn using
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.. versionadded:: 2.16
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%End
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void renderDiagram( const QgsFeature &feature, QgsRenderContext &c, QPointF pos, const QgsPropertyCollection &properties = QgsPropertyCollection() ) const;
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%Docstring
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Renders the diagram for a specified feature at a specific position in the passed render context.
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%End
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void setDiagram( QgsDiagram *d /Transfer/ );
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QgsDiagram *diagram() const;
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virtual QList<QgsDiagramSettings> diagramSettings() const = 0;
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%Docstring
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Returns list with all diagram settings in the renderer
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%End
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virtual void readXml( const QDomElement &elem, const QgsReadWriteContext &context ) = 0;
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%Docstring
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Reads diagram state from a DOM element. Subclasses should ensure that _readXml() is called
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by their readXml implementation to restore the general QgsDiagramRenderer settings.
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.. seealso:: :py:func:`writeXml`
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%End
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virtual void writeXml( QDomElement &layerElem, QDomDocument &doc, const QgsReadWriteContext &context ) const = 0;
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%Docstring
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Writes diagram state to a DOM element. Subclasses should ensure that _writeXml() is called
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by their writeXml implementation to save the general QgsDiagramRenderer settings.
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.. seealso:: :py:func:`readXml`
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%End
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virtual QList< QgsLayerTreeModelLegendNode * > legendItems( QgsLayerTreeLayer *nodeLayer ) const /Factory/;
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%Docstring
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Returns list of legend nodes for the diagram
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.. note::
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caller is responsible for deletion of :py:class:`QgsLayerTreeModelLegendNodes`
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.. versionadded:: 2.10
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%End
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bool attributeLegend() const;
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%Docstring
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Returns ``True`` if renderer will show legend items for diagram attributes.
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.. seealso:: :py:func:`setAttributeLegend`
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.. versionadded:: 2.16
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%End
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void setAttributeLegend( bool enabled );
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%Docstring
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Sets whether the renderer will show legend items for diagram attributes.
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:param enabled: set to ``True`` to show diagram attribute legend
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.. seealso:: :py:func:`attributeLegend`
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.. versionadded:: 2.16
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%End
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protected:
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QgsDiagramRenderer( const QgsDiagramRenderer &other );
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virtual bool diagramSettings( const QgsFeature &feature, const QgsRenderContext &c, QgsDiagramSettings &s ) const = 0;
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%Docstring
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Returns diagram settings for a feature (or ``False`` if the diagram for the feature is not to be rendered). Used internally within :py:func:`~QgsDiagramRenderer.renderDiagram`
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:param feature: the feature
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:param c: render context
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:param s: out: diagram settings for the feature
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%End
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virtual QSizeF diagramSize( const QgsFeature &features, const QgsRenderContext &c ) const = 0;
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%Docstring
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Returns size of the diagram (in painter units) or an invalid size in case of error
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%End
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void convertSizeToMapUnits( QSizeF &size, const QgsRenderContext &context ) const;
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%Docstring
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Converts size from mm to map units
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%End
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static int dpiPaintDevice( const QPainter * );
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%Docstring
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Returns the paint device dpi (or -1 in case of error
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%End
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void _readXml( const QDomElement &elem, const QgsReadWriteContext &context );
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%Docstring
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Reads internal QgsDiagramRenderer state from a DOM element.
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.. seealso:: _writeXml
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%End
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void _writeXml( QDomElement &rendererElem, QDomDocument &doc, const QgsReadWriteContext &context ) const;
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%Docstring
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Writes internal QgsDiagramRenderer diagram state to a DOM element.
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.. seealso:: _readXml
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%End
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};
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class QgsSingleCategoryDiagramRenderer : QgsDiagramRenderer
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{
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%Docstring
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Renders the diagrams for all features with the same settings
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%End
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%TypeHeaderCode
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#include "qgsdiagramrenderer.h"
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%End
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public:
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QgsSingleCategoryDiagramRenderer();
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%Docstring
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Constructor for QgsSingleCategoryDiagramRenderer
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%End
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virtual QgsSingleCategoryDiagramRenderer *clone() const /Factory/;
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virtual QString rendererName() const;
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virtual QList<QString> diagramAttributes() const;
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void setDiagramSettings( const QgsDiagramSettings &s );
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virtual QList<QgsDiagramSettings> diagramSettings() const;
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virtual void readXml( const QDomElement &elem, const QgsReadWriteContext &context );
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virtual void writeXml( QDomElement &layerElem, QDomDocument &doc, const QgsReadWriteContext &context ) const;
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virtual QList< QgsLayerTreeModelLegendNode * > legendItems( QgsLayerTreeLayer *nodeLayer ) const /Factory/;
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protected:
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virtual bool diagramSettings( const QgsFeature &feature, const QgsRenderContext &c, QgsDiagramSettings &s ) const;
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virtual QSizeF diagramSize( const QgsFeature &, const QgsRenderContext &c ) const;
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};
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class QgsLinearlyInterpolatedDiagramRenderer : QgsDiagramRenderer
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{
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%TypeHeaderCode
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#include "qgsdiagramrenderer.h"
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%End
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public:
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QgsLinearlyInterpolatedDiagramRenderer();
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~QgsLinearlyInterpolatedDiagramRenderer();
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virtual QgsLinearlyInterpolatedDiagramRenderer *clone() const /Factory/;
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virtual QList<QgsDiagramSettings> diagramSettings() const;
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%Docstring
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Returns list with all diagram settings in the renderer
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%End
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void setDiagramSettings( const QgsDiagramSettings &s );
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virtual QList<QString> diagramAttributes() const;
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virtual QSet< QString > referencedFields( const QgsExpressionContext &context = QgsExpressionContext() ) const;
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virtual QString rendererName() const;
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void setLowerValue( double val );
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double lowerValue() const;
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void setUpperValue( double val );
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double upperValue() const;
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void setLowerSize( QSizeF s );
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QSizeF lowerSize() const;
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void setUpperSize( QSizeF s );
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QSizeF upperSize() const;
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QString classificationField() const;
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%Docstring
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Returns the field name used for interpolating the diagram size.
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.. seealso:: :py:func:`setClassificationField`
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.. versionadded:: 3.0
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%End
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void setClassificationField( const QString &field );
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%Docstring
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Sets the field name used for interpolating the diagram size.
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.. seealso:: :py:func:`classificationField`
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.. versionadded:: 3.0
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%End
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QString classificationAttributeExpression() const;
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void setClassificationAttributeExpression( const QString &expression );
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bool classificationAttributeIsExpression() const;
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void setClassificationAttributeIsExpression( bool isExpression );
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virtual void readXml( const QDomElement &elem, const QgsReadWriteContext &context );
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virtual void writeXml( QDomElement &layerElem, QDomDocument &doc, const QgsReadWriteContext &context ) const;
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virtual QList< QgsLayerTreeModelLegendNode * > legendItems( QgsLayerTreeLayer *nodeLayer ) const /Factory/;
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void setDataDefinedSizeLegend( QgsDataDefinedSizeLegend *settings /Transfer/ );
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%Docstring
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Configures appearance of legend. Takes ownership of the passed settings objects.
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.. versionadded:: 3.0
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%End
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QgsDataDefinedSizeLegend *dataDefinedSizeLegend() const;
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%Docstring
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Returns configuration of appearance of legend. Will return ``None`` if no configuration has been set.
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.. versionadded:: 3.0
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%End
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protected:
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virtual bool diagramSettings( const QgsFeature &feature, const QgsRenderContext &c, QgsDiagramSettings &s ) const;
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virtual QSizeF diagramSize( const QgsFeature &, const QgsRenderContext &c ) const;
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QgsLinearlyInterpolatedDiagramRenderer( const QgsLinearlyInterpolatedDiagramRenderer &other );
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%Docstring
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Copy constructor
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%End
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};
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/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/qgsdiagramrenderer.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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