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161 lines
4.1 KiB
Plaintext
161 lines
4.1 KiB
Plaintext
struct QgsDiagramLayerSettings
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{
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%TypeHeaderCode
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#include <qgsdiagramrendererv2.h>
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%End
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//avoid inclusion of QgsPalLabeling
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enum Placement
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{
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AroundPoint, // Point / Polygon
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OverPoint, // Point / Polygon
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Line, // Line / Polygon
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Curved, // Line
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Horizontal, // Polygon
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Free // Polygon
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};
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enum LinePlacementFlags
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{
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OnLine = 1,
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AboveLine = 2,
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BelowLine = 4,
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MapOrientation = 8
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};
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QgsDiagramLayerSettings();
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//pal placement properties
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Placement placement;
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LinePlacementFlags placementFlags;
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int priority; // 0 = low, 10 = high
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bool obstacle; // whether it's an obstacle
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double dist; // distance from the feature (in mm)
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QgsDiagramRendererV2* renderer;
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int xPosColumn; //attribute index for x coordinate (or -1 if position not data defined)
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int yPosColumn;//attribute index for y coordinate (or -1 if position not data defined)
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void readXML( const QDomElement& elem );
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void writeXML( QDomElement& layerElem, QDomDocument& doc ) const;
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};
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//diagram settings for rendering
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struct QgsDiagramSettings
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{
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%TypeHeaderCode
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#include <qgsdiagramrendererv2.h>
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%End
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enum SizeType
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{
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MM,
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MapUnits
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};
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QgsDiagramSettings();
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QFont font;
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QList< QColor > categoryColors;
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QList< int > categoryIndices;
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QSizeF size; //size
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SizeType sizeType; //mm or map units
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QColor backgroundColor;
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QColor penColor;
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double penWidth;
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//scale range (-1 if no lower / upper bound )
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double minScaleDenominator;
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double maxScaleDenominator;
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void readXML( const QDomElement& elem );
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void writeXML( QDomElement& rendererElem, QDomDocument& doc ) const;
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};
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/**Returns diagram settings for a feature*/
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class QgsDiagramRendererV2
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{
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%TypeHeaderCode
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#include <qgsdiagramrendererv2.h>
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%End
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public:
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QgsDiagramRendererV2();
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virtual ~QgsDiagramRendererV2();
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/**Returns size of the diagram for feature f in map units. Returns an invalid QSizeF in case of error*/
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virtual QSizeF sizeMapUnits( const QgsAttributeMap& attributes, const QgsRenderContext& c );
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virtual QString rendererName() const = 0;
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/**Returns attribute indices needed for diagram rendering*/
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virtual QList<int> diagramAttributes() const = 0;
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void renderDiagram( const QgsAttributeMap& att, QgsRenderContext& c, const QPointF& pos );
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void setDiagram( QgsDiagram* d );
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const QgsDiagram* diagram() const;
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/**Returns list with all diagram settings in the renderer*/
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virtual QList<QgsDiagramSettings> diagramSettings() const = 0;
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virtual void readXML( const QDomElement& elem ) = 0;
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virtual void writeXML( QDomElement& layerElem, QDomDocument& doc ) const = 0;
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};
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/**Renders the diagrams for all features with the same settings*/
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class QgsSingleCategoryDiagramRenderer: QgsDiagramRendererV2
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{
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%TypeHeaderCode
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#include <qgsdiagramrendererv2.h>
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%End
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public:
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QgsSingleCategoryDiagramRenderer();
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~QgsSingleCategoryDiagramRenderer();
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QString rendererName() const;
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QList<int> diagramAttributes() const;
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void setDiagramSettings( const QgsDiagramSettings& s );
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QList<QgsDiagramSettings> diagramSettings() const;
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void readXML( const QDomElement& elem );
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void writeXML( QDomElement& layerElem, QDomDocument& doc ) const;
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};
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class QgsLinearlyInterpolatedDiagramRenderer: QgsDiagramRendererV2
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{
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%TypeHeaderCode
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#include <qgsdiagramrendererv2.h>
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%End
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public:
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QgsLinearlyInterpolatedDiagramRenderer();
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~QgsLinearlyInterpolatedDiagramRenderer();
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/**Returns list with all diagram settings in the renderer*/
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QList<QgsDiagramSettings> diagramSettings() const;
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void setDiagramSettings( const QgsDiagramSettings& s );
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QList<int> diagramAttributes() const;
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QString rendererName() const;
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void setLowerValue( double val );
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double lowerValue() const;
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void setUpperValue( double val );
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double upperValue() const;
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void setLowerSize( QSizeF s );
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QSizeF lowerSize() const;
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void setUpperSize( QSizeF s );
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QSizeF upperSize() const;
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int classificationAttribute() const;
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void setClassificationAttribute( int index );
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void readXML( const QDomElement& elem );
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void writeXML( QDomElement& layerElem, QDomDocument& doc ) const;
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};
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