QgsSymbolV2* QgsGraduatedSymbolRendererV2Widget::findSymbolForRange( double lowerBound, double upperBound, const QgsRangeList& ranges ) const { for ( QgsRangeList::const_iterator it = ranges.begin(); it != ranges.end(); ++it ) { //range string has been created with option 'f',4 if ( doubleNear( lowerBound, it->lowerValue(), 0.0001 ) && doubleNear( upperBound, it->upperValue(), 0.0001 ) ) { return it->symbol(); } } return 0; }
QgsSymbol *QgsGraduatedSymbolRendererWidget::findSymbolForRange( double lowerBound, double upperBound, const QgsRangeList &ranges ) const { int decimalPlaces = mRenderer->labelFormat().precision() + 2; if ( decimalPlaces < 0 ) decimalPlaces = 0; double precision = 1.0 / std::pow( 10, decimalPlaces ); for ( QgsRangeList::const_iterator it = ranges.begin(); it != ranges.end(); ++it ) { if ( qgsDoubleNear( lowerBound, it->lowerValue(), precision ) && qgsDoubleNear( upperBound, it->upperValue(), precision ) ) { return it->symbol(); } } return nullptr; }
QgsLegendSymbolList QgsGraduatedSymbolRendererV2::legendSymbolItems() { QSettings settings; bool showClassifiers = settings.value( "/qgis/showLegendClassifiers", false ).toBool(); QgsLegendSymbolList lst; if ( showClassifiers ) { lst << qMakePair( classAttribute(), ( QgsSymbolV2* )0 ); } QgsRangeList::const_iterator rangeIt = mRanges.constBegin(); for ( ; rangeIt != mRanges.constEnd(); ++rangeIt ) { lst << qMakePair( rangeIt->label(), rangeIt->symbol() ); } return lst; }