C++ (Cpp) changeSymbolTransparency示例

示例#1

文件： qgsrendererv2widget.cpp 项目： TranDinhTrung/QGIS

QgsRendererV2Widget::QgsRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style )
    : QWidget(), mLayer( layer ), mStyle( style )
{
  contextMenu = new QMenu( "Renderer Options " );

  mCopyAction = contextMenu->addAction( tr( "Copy" ), this, SLOT( copy() ) );
  mCopyAction->setShortcut( QKeySequence( QKeySequence::Copy ) );
  mPasteAction = contextMenu->addAction( tr( "Paste" ), this, SLOT( paste() ) );
  mPasteAction->setShortcut( QKeySequence( QKeySequence::Paste ) );

  contextMenu->addSeparator();
  contextMenu->addAction( tr( "Change color" ), this, SLOT( changeSymbolColor() ) );
  contextMenu->addAction( tr( "Change transparency" ), this, SLOT( changeSymbolTransparency() ) );
  contextMenu->addAction( tr( "Change output unit" ), this, SLOT( changeSymbolUnit() ) );

  if ( mLayer && mLayer->geometryType() == QGis::Line )
  {
    contextMenu->addAction( tr( "Change width" ), this, SLOT( changeSymbolWidth() ) );
  }
  else if ( mLayer && mLayer->geometryType() == QGis::Point )
  {
    contextMenu->addAction( tr( "Change size" ), this, SLOT( changeSymbolSize() ) );
    contextMenu->addAction( tr( "Change angle" ), this, SLOT( changeSymbolAngle() ) );
  }
}

示例#2

文件： qgsrendererv2widget.cpp 项目： JoeyPinilla/Quantum-GIS

QgsRendererV2Widget::QgsRendererV2Widget( QgsVectorLayer* layer, QgsStyleV2* style )
    : QWidget(), mLayer( layer ), mStyle( style )
{
  contextMenu = new QMenu( "Renderer Options " );

  contextMenu->addAction( tr( "Change color" ), this, SLOT( changeSymbolColor( ) ) );
  contextMenu->addAction( tr( "Change transparency" ), this, SLOT( changeSymbolTransparency() ) );
  contextMenu->addAction( tr( "Change output unit" ), this, SLOT( changeSymbolUnit() ) );

  if ( mLayer && mLayer->geometryType() == QGis::Line )
  {
    contextMenu->addAction( tr( "Change width" ), this, SLOT( changeSymbolWidth() ) );
  }
  else if ( mLayer && mLayer->geometryType() == QGis::Point )
  {
    contextMenu->addAction( tr( "Change size" ), this, SLOT( changeSymbolSize() ) );
  }
}