void QgsGraduatedSymbolRendererV2::updateColorRamp( QgsVectorColorRampV2 *ramp, bool inverted ) { int i = 0; if ( ramp ) { setSourceColorRamp( ramp ); setInvertedColorRamp( inverted ); } if ( mSourceColorRamp ) { foreach ( QgsRendererRangeV2 range, mRanges ) { QgsSymbolV2 *symbol = range.symbol() ? range.symbol()->clone() : 0; if ( symbol ) { double colorValue; if ( inverted ) colorValue = ( mRanges.count() > 1 ? ( double )( mRanges.count() - i - 1 ) / ( mRanges.count() - 1 ) : 0 ); else colorValue = ( mRanges.count() > 1 ? ( double ) i / ( mRanges.count() - 1 ) : 0 ); symbol->setColor( mSourceColorRamp->color( colorValue ) ); } updateRangeSymbol( i, symbol ); ++i; } }
void QgsGraduatedSymbolRendererV2::updateColorRamp( QgsVectorColorRampV2 *ramp ) { int i = 0; foreach( QgsRendererRangeV2 range, mRanges ) { QgsSymbolV2* symbol = range.symbol()->clone(); double colorValue = ( mRanges.count() > 1 ? ( double ) i / ( mRanges.count() - 1 ) : 0 ); symbol->setColor( ramp->color( colorValue ) ); updateRangeSymbol( i, symbol ); ++i; }