15 #ifndef QGSDIAGRAMRENDERERV2_H
16 #define QGSDIAGRAMRENDERERV2_H
23 #include <QDomDocument>
37 namespace pal {
class Layer; }
62 : placement( AroundPoint )
63 , placementFlags( OnLine )
93 void readXML(
const QDomElement& elem,
const QgsVectorLayer* layer );
94 void writeXML( QDomElement& layerElem, QDomDocument& doc,
const QgsVectorLayer* layer )
const;
146 void readXML(
const QDomElement& elem,
const QgsVectorLayer* layer );
147 void writeXML( QDomElement& rendererElem, QDomDocument& doc,
const QgsVectorLayer* layer )
const;
175 virtual QString rendererName()
const = 0;
178 virtual QList<QString> diagramAttributes()
const = 0;
182 void setDiagram( QgsDiagram* d );
183 QgsDiagram*
diagram()
const {
return mDiagram; }
186 virtual QList<QgsDiagramSettings> diagramSettings()
const = 0;
188 virtual void readXML(
const QDomElement& elem,
const QgsVectorLayer* layer ) = 0;
189 virtual void writeXML( QDomElement& layerElem, QDomDocument& doc,
const QgsVectorLayer* layer )
const = 0;
207 static int dpiPaintDevice(
const QPainter* );
210 void _readXML(
const QDomElement& elem,
const QgsVectorLayer* layer );
211 void _writeXML( QDomElement& rendererElem, QDomDocument& doc,
const QgsVectorLayer* layer )
const;
259 void setLowerValue(
double val ) { mInterpolationSettings.lowerValue = val; }
260 double lowerValue()
const {
return mInterpolationSettings.lowerValue; }
262 void setUpperValue(
double val ) { mInterpolationSettings.upperValue = val; }
263 double upperValue()
const {
return mInterpolationSettings.upperValue; }
265 void setLowerSize( QSizeF s ) { mInterpolationSettings.lowerSize = s; }
266 QSizeF
lowerSize()
const {
return mInterpolationSettings.lowerSize; }
268 void setUpperSize( QSizeF s ) { mInterpolationSettings.upperSize = s; }
269 QSizeF
upperSize()
const {
return mInterpolationSettings.upperSize; }
293 #endif // QGSDIAGRAMRENDERERV2_H
void setClassificationAttributeIsExpression(bool isExpression)
double minimumSize
Scale diagrams smaller than mMinimumSize to mMinimumSize.
double minScaleDenominator
Renders the diagrams for all features with the same settings.
QList< QString > categoryAttributes
virtual QList< QString > diagramAttributes() const =0
Returns attribute indices needed for diagram rendering.
bool classificationAttributeIsExpression
QgsDiagram * diagram() const
virtual QList< QgsDiagramSettings > diagramSettings() const =0
Returns list with all diagram settings in the renderer.
The feature class encapsulates a single feature including its id, geometry and a list of field/values...
void setClassificationAttributeExpression(QString expression)
Returns diagram settings for a feature.
virtual QSizeF diagramSize(const QgsFeature &features, const QgsRenderContext &c)=0
Returns size of the diagram (in painter units) or an invalid size in case of error.
Perform transforms between map coordinates and device coordinates.
virtual void writeXML(QDomElement &layerElem, QDomDocument &doc, const QgsVectorLayer *layer) const =0
DiagramOrientation diagramOrientation
double lowerValue() const
const QgsMapToPixel * xform
void setDiagramSettings(const QgsDiagramSettings &s)
QString classificationAttributeExpression
void setLowerValue(double val)
QgsDiagramLayerSettings()
DiagramOrientation
Orientation of histogram.
QgsDiagramRendererV2 * renderer
QgsDiagramSettings mSettings
void setUpperSize(QSizeF s)
int classificationAttribute() const
Contains information about the context of a rendering operation.
QgsDiagramInterpolationSettings mInterpolationSettings
QgsDiagramSettings mSettings
double maxScaleDenominator
bool classificationAttributeIsExpression() const
virtual void readXML(const QDomElement &elem, const QgsVectorLayer *layer)=0
QList< QString > diagramAttributes() const
Returns attribute indices needed for diagram rendering.
void setClassificationAttribute(int index)
int classificationAttribute
Index of the classification attribute.
QList< QgsPalGeometry * > geometries
void setDiagramSettings(const QgsDiagramSettings &s)
QString classificationAttributeExpression() const
QString rendererName() const
Represents a vector layer which manages a vector based data sets.
QList< QColor > categoryColors
double upperValue() const
QgsDiagram * mDiagram
Reference to the object that does the real diagram rendering.
void setLowerSize(QSizeF s)
const QgsCoordinateTransform * ct
QString rendererName() const
LabelPlacementMethod labelPlacementMethod
LinePlacementFlags placementFlags
void setUpperValue(double val)