mirror of
https://github.com/qgis/QGIS.git
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8c4d5bbb95
Instead of having different marker sizes in legend as separate legend nodes, the new "collapsed" mode packs all sizes into one legend node. This commit only makes it available in the API, not exposed in GUI yet.
794 lines
21 KiB
Plaintext
794 lines
21 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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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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bool sizeLegend() const;
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%Docstring
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Returns true if renderer will show legend items for diagram sizes.
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.. versionadded:: 2.16
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.. seealso:: setSizeLegend()
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.. seealso:: attributeLegend()
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.. seealso:: sizeLegendSymbol()
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:rtype: bool
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%End
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void setSizeLegend( bool enabled );
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%Docstring
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Sets whether the renderer will show legend items for diagram sizes.
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\param enabled set to true to show diagram size legend
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.. versionadded:: 2.16
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.. seealso:: sizeLegend()
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.. seealso:: setAttributeLegend()
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.. seealso:: setSizeLegendSymbol()
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%End
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QgsMarkerSymbol *sizeLegendSymbol() const;
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%Docstring
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Returns the marker symbol used for rendering the diagram size legend.
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.. versionadded:: 2.16
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.. seealso:: setSizeLegendSymbol()
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.. seealso:: sizeLegend()
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:rtype: QgsMarkerSymbol
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%End
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void setSizeLegendSymbol( QgsMarkerSymbol *symbol /Transfer/ );
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%Docstring
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Sets the marker symbol used for rendering the diagram size legend.
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\param symbol marker symbol, ownership is transferred to the renderer.
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.. versionadded:: 2.16
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.. seealso:: sizeLegendSymbol()
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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
|
|
\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
|
|
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
|
|
Returns the paint device dpi (or -1 in case of error
|
|
:rtype: int
|
|
%End
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void _readXml( const QDomElement &elem, const QgsReadWriteContext &context );
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|
%Docstring
|
|
Reads internal QgsDiagramRenderer state from a DOM element.
|
|
.. seealso:: _writeXml()
|
|
%End
|
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|
|
void _writeXml( QDomElement &rendererElem, QDomDocument &doc, const QgsReadWriteContext &context ) const;
|
|
%Docstring
|
|
Writes internal QgsDiagramRenderer diagram state to a DOM element.
|
|
.. seealso:: _readXml()
|
|
%End
|
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|
|
};
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|
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|
class QgsSingleCategoryDiagramRenderer : QgsDiagramRenderer
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|
{
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%Docstring
|
|
Renders the diagrams for all features with the same settings
|
|
%End
|
|
|
|
%TypeHeaderCode
|
|
#include "qgsdiagramrenderer.h"
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%End
|
|
public:
|
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QgsSingleCategoryDiagramRenderer();
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virtual QgsSingleCategoryDiagramRenderer *clone() const /Factory/;
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|
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virtual QString rendererName() const;
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|
|
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virtual QList<QString> diagramAttributes() const;
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|
|
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void setDiagramSettings( const QgsDiagramSettings &s );
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|
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virtual QList<QgsDiagramSettings> diagramSettings() const;
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|
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|
|
virtual void readXml( const QDomElement &elem, const QgsReadWriteContext &context );
|
|
|
|
virtual void writeXml( QDomElement &layerElem, QDomDocument &doc, const QgsReadWriteContext &context ) const;
|
|
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|
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virtual QList< QgsLayerTreeModelLegendNode * > legendItems( QgsLayerTreeLayer *nodeLayer ) const /Factory/;
|
|
|
|
|
|
protected:
|
|
virtual bool diagramSettings( const QgsFeature &feature, const QgsRenderContext &c, QgsDiagramSettings &s ) const;
|
|
|
|
|
|
virtual QSizeF diagramSize( const QgsFeature &, const QgsRenderContext &c ) const;
|
|
|
|
|
|
};
|
|
|
|
class QgsLinearlyInterpolatedDiagramRenderer : QgsDiagramRenderer
|
|
{
|
|
|
|
%TypeHeaderCode
|
|
#include "qgsdiagramrenderer.h"
|
|
%End
|
|
public:
|
|
QgsLinearlyInterpolatedDiagramRenderer();
|
|
|
|
virtual QgsLinearlyInterpolatedDiagramRenderer *clone() const /Factory/;
|
|
|
|
|
|
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;
|
|
|
|
|
|
virtual QSet< QString > referencedFields( const QgsExpressionContext &context = QgsExpressionContext() ) const;
|
|
|
|
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 );
|
|
|
|
};
|
|
|
|
/************************************************************************
|
|
* This file has been generated automatically from *
|
|
* *
|
|
* src/core/qgsdiagramrenderer.h *
|
|
* *
|
|
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
|
|
************************************************************************/
|