C++ (Cpp) updateShapeStyle示例

示例#1

文件： qgscomposershapewidget.cpp 项目： Br1ndavoine/QGIS

void QgsComposerShapeWidget::on_mShapeStyleButton_clicked()
{
  if ( !mComposerShape )
  {
    return;
  }

  // use the atlas coverage layer, if any
  QgsVectorLayer* coverageLayer = atlasCoverageLayer();

  QgsFillSymbolV2* newSymbol = dynamic_cast<QgsFillSymbolV2*>( mComposerShape->shapeStyleSymbol()->clone() );
  QgsSymbolV2SelectorDialog d( newSymbol, QgsStyleV2::defaultStyle(), coverageLayer, this );

  if ( d.exec() == QDialog::Accepted )
  {
    mComposerShape->beginCommand( tr( "Shape style changed" ) );
    mComposerShape->setShapeStyleSymbol( newSymbol );
    updateShapeStyle();
    mComposerShape->endCommand();
  }
  else
  {
    delete newSymbol;
  }
}

示例#2

文件： qgscomposershapewidget.cpp 项目： Br1ndavoine/QGIS

void QgsComposerShapeWidget::setGuiElementValues()
{
  if ( !mComposerShape )
  {
    return;
  }

  blockAllSignals( true );

  updateShapeStyle();

  mCornerRadiusSpinBox->setValue( mComposerShape->cornerRadius() );
  if ( mComposerShape->shapeType() == QgsComposerShape::Ellipse )
  {
    mShapeComboBox->setCurrentIndex( mShapeComboBox->findText( tr( "Ellipse" ) ) );
    mCornerRadiusSpinBox->setEnabled( false );
  }
  else if ( mComposerShape->shapeType() == QgsComposerShape::Rectangle )
  {
    mShapeComboBox->setCurrentIndex( mShapeComboBox->findText( tr( "Rectangle" ) ) );
    mCornerRadiusSpinBox->setEnabled( true );
  }
  else if ( mComposerShape->shapeType() == QgsComposerShape::Triangle )
  {
    mShapeComboBox->setCurrentIndex( mShapeComboBox->findText( tr( "Triangle" ) ) );
    mCornerRadiusSpinBox->setEnabled( false );
  }

  blockAllSignals( false );
}

示例#3

void QgsComposerShapeWidget::on_mShapeStyleButton_clicked()
{
  if ( !mComposerShape )
  {
    return;
  }

  // use the atlas coverage layer, if any
  QgsVectorLayer* coverageLayer = atlasCoverageLayer();

  QgsFillSymbol* newSymbol = mComposerShape->shapeStyleSymbol()->clone();
  QgsExpressionContext context = mComposerShape->createExpressionContext();
  QgsSymbolSelectorDialog d( newSymbol, QgsStyle::defaultStyle(), coverageLayer, this );
  QgsSymbolWidgetContext symbolContext;
  symbolContext.setExpressionContext( &context );
  d.setContext( symbolContext );

  if ( d.exec() == QDialog::Accepted )
  {
    mComposerShape->beginCommand( tr( "Shape style changed" ) );
    mComposerShape->setShapeStyleSymbol( newSymbol );
    updateShapeStyle();
    mComposerShape->endCommand();
  }
  delete newSymbol;
}

示例#4

文件： qgscomposershapewidget.cpp 项目： 3liz/Quantum-GIS

void QgsComposerShapeWidget::cleanUpSymbolSelector( QgsPanelWidget* container )
{
  QgsSymbolSelectorWidget* w = qobject_cast<QgsSymbolSelectorWidget*>( container );
  if ( !w )
    return;

  delete w->symbol();
  updateShapeStyle();
  mComposerShape->endCommand();
}

示例#5

文件： qgscomposershapewidget.cpp 项目： FabrizioMu/QGIS-1

void QgsComposerShapeWidget::on_mShapeStyleButton_clicked()
{
  if ( !mComposerShape )
  {
    return;
  }

  QgsVectorLayer* coverageLayer = 0;
  // use the atlas coverage layer, if any
  if ( mComposerShape->composition()->atlasComposition().enabled() )
  {
    coverageLayer = mComposerShape->composition()->atlasComposition().coverageLayer();
  }

  QgsSymbolV2SelectorDialog d( mComposerShape->shapeStyleSymbol(), QgsStyleV2::defaultStyle(), coverageLayer );

  if ( d.exec() == QDialog::Accepted )
  {
    updateShapeStyle();
  }
}