Exemplos de updateRangeSymbol em C++ (Cpp)

Exemplo n.º 1

Arquivo: qgsgraduatedsymbolrendererv2.cpp Projeto: ACorradini/QGIS

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;
    }
  }

Exemplo n.º 2

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;
  }