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https://github.com/qgis/QGIS.git
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766 lines
20 KiB
Plaintext
766 lines
20 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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:rtype: QgsPropertiesDefinition
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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:: setPlacement()
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.. versionadded:: 2.16
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:rtype: Placement
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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:: 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:: setLinePlacementFlags()
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.. versionadded:: 2.16
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:rtype: LinePlacementFlags
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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:: getPlacement()
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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:: setPriority()
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.. versionadded:: 2.16
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:rtype: int
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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:: 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:: setZIndex()
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.. versionadded:: 2.16
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:rtype: float
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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:: 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:: setIsObstacle()
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.. versionadded:: 2.16
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:rtype: bool
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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:: 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:: setDistance()
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.. versionadded:: 2.16
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:rtype: float
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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:: 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:: setRenderer()
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.. versionadded:: 2.16
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:rtype: QgsDiagramRenderer
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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:: 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:: setCoordinateTransform()
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.. versionadded:: 2.16
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:rtype: QgsCoordinateTransform
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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:: 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:: setShowAllDiagrams()
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.. versionadded:: 2.16
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:rtype: bool
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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:: 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:: 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:: 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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:rtype: bool
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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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:rtype: set of str
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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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.. versionadded:: 3.0
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.. seealso:: setDataDefinedProperties()
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:rtype: QgsPropertyCollection
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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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.. versionadded:: 3.0
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.. seealso:: dataDefinedProperties()
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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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QgsDiagramSettings();
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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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%Docstring
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.. versionadded:: 2.10
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%End
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QSizeF size; //size
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QgsUnitTypes::RenderUnit sizeType;
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%Docstring
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Diagram size unit
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%End
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QgsMapUnitScale sizeScale;
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%Docstring
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Diagram size unit scale
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.. versionadded:: 2.16
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%End
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QgsUnitTypes::RenderUnit lineSizeUnit;
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%Docstring
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Line unit index
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.. versionadded:: 2.16
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%End
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QgsMapUnitScale lineSizeScale;
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%Docstring
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Line unit scale
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.. versionadded:: 2.16
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%End
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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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%Docstring
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Opacity, from 0 (transparent) to 1.0 (opaque)
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%End
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bool scaleByArea;
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double rotationOffset;
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%Docstring
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Rotation offset, in degrees clockwise from horizontal.
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.. versionadded:: 3.0
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%End
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bool scaleBasedVisibility;
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double maximumScale;
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%Docstring
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The maximum map scale (i.e. most "zoomed in" scale) at which the diagrams will be visible.
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The scale value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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A scale of 0 indicates no maximum scale visibility.
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.. seealso:: minimumScale
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%End
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double minimumScale;
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%Docstring
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The minimum map scale (i.e. most "zoomed out" scale) at which the diagrams will be visible.
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The scale value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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A scale of 0 indicates no minimum scale visibility.
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.. seealso:: maximumScale
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%End
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double minimumSize;
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%Docstring
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Scale diagrams smaller than mMinimumSize to mMinimumSize
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%End
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void readXml( const QDomElement &elem );
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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;
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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 QgsLayerTreeModelLegendNodes
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.. versionadded:: 2.10
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:rtype: list of QgsLayerTreeModelLegendNode
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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
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#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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%Docstring
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Name of the field for classification
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%End
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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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%TypeHeaderCode
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#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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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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:rtype: QgsDiagramRenderer
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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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:rtype: QSizeF
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%End
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virtual QString rendererName() const = 0;
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%Docstring
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:rtype: str
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%End
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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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:rtype: list of str
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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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:rtype: set of str
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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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%Docstring
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:rtype: QgsDiagram
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%End
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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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:rtype: list of QgsDiagramSettings
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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:: 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:: 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 QgsLayerTreeModelLegendNodes
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.. versionadded:: 2.10
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:rtype: list of QgsLayerTreeModelLegendNode
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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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.. versionadded:: 2.16
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.. seealso:: setAttributeLegend()
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.. seealso:: sizeLegend()
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:rtype: bool
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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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.. versionadded:: 2.16
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.. seealso:: attributeLegend()
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.. seealso:: setSizeLegend()
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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 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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:rtype: bool
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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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:rtype: QSizeF
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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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:rtype: int
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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
|
|
#include "qgsdiagramrenderer.h"
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%End
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public:
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QgsSingleCategoryDiagramRenderer();
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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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|
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class QgsLinearlyInterpolatedDiagramRenderer : QgsDiagramRenderer
|
|
{
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|
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|
%TypeHeaderCode
|
|
#include "qgsdiagramrenderer.h"
|
|
%End
|
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public:
|
|
QgsLinearlyInterpolatedDiagramRenderer();
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~QgsLinearlyInterpolatedDiagramRenderer();
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virtual QgsLinearlyInterpolatedDiagramRenderer *clone() const /Factory/;
|
|
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|
|
virtual QList<QgsDiagramSettings> diagramSettings() const;
|
|
|
|
%Docstring
|
|
Returns list with all diagram settings in the renderer
|
|
:rtype: list of QgsDiagramSettings
|
|
%End
|
|
|
|
void setDiagramSettings( const QgsDiagramSettings &s );
|
|
|
|
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;
|
|
|
|
void setLowerValue( double val );
|
|
double lowerValue() const;
|
|
%Docstring
|
|
:rtype: float
|
|
%End
|
|
|
|
void setUpperValue( double val );
|
|
double upperValue() const;
|
|
%Docstring
|
|
:rtype: float
|
|
%End
|
|
|
|
void setLowerSize( QSizeF s );
|
|
QSizeF lowerSize() const;
|
|
%Docstring
|
|
:rtype: QSizeF
|
|
%End
|
|
|
|
void setUpperSize( QSizeF s );
|
|
QSizeF upperSize() const;
|
|
%Docstring
|
|
:rtype: QSizeF
|
|
%End
|
|
|
|
QString classificationField() const;
|
|
%Docstring
|
|
Returns the field name used for interpolating the diagram size.
|
|
.. seealso:: setClassificationField()
|
|
.. versionadded:: 3.0
|
|
:rtype: str
|
|
%End
|
|
|
|
void setClassificationField( const QString &field );
|
|
%Docstring
|
|
Sets the field name used for interpolating the diagram size.
|
|
.. seealso:: classificationField()
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
QString classificationAttributeExpression() const;
|
|
%Docstring
|
|
:rtype: str
|
|
%End
|
|
void setClassificationAttributeExpression( const QString &expression );
|
|
|
|
bool classificationAttributeIsExpression() const;
|
|
%Docstring
|
|
:rtype: bool
|
|
%End
|
|
void setClassificationAttributeIsExpression( bool isExpression );
|
|
|
|
virtual void readXml( const QDomElement &elem, const QgsReadWriteContext &context );
|
|
|
|
virtual void writeXml( QDomElement &layerElem, QDomDocument &doc, const QgsReadWriteContext &context ) const;
|
|
|
|
|
|
virtual QList< QgsLayerTreeModelLegendNode * > legendItems( QgsLayerTreeLayer *nodeLayer ) const /Factory/;
|
|
|
|
|
|
void setDataDefinedSizeLegend( QgsDataDefinedSizeLegend *settings /Transfer/ );
|
|
%Docstring
|
|
Configures appearance of legend. Takes ownership of the passed settings objects.
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
QgsDataDefinedSizeLegend *dataDefinedSizeLegend() const;
|
|
%Docstring
|
|
Returns configuration of appearance of legend. Will return null if no configuration has been set.
|
|
.. versionadded:: 3.0
|
|
:rtype: QgsDataDefinedSizeLegend
|
|
%End
|
|
|
|
protected:
|
|
virtual bool diagramSettings( const QgsFeature &feature, const QgsRenderContext &c, QgsDiagramSettings &s ) const;
|
|
|
|
|
|
virtual QSizeF diagramSize( const QgsFeature &, const QgsRenderContext &c ) const;
|
|
|
|
|
|
QgsLinearlyInterpolatedDiagramRenderer( const QgsLinearlyInterpolatedDiagramRenderer &other );
|
|
%Docstring
|
|
Copy constructor
|
|
%End
|
|
|
|
};
|
|
|
|
/************************************************************************
|
|
* This file has been generated automatically from *
|
|
* *
|
|
* src/core/qgsdiagramrenderer.h *
|
|
* *
|
|
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
|
|
************************************************************************/
|