void CropWindowTool::preRender()
{
const Box2f resolutionGate = static_cast<SceneView *>( view() )->resolutionGate();
if( resolutionGate.isEmpty() )
{
m_overlay->setVisible( false );
return;
}
if( !activePlug()->getValue() )
{
return;
}
m_overlay->setVisible( true );
if( !m_overlayDirty )
{
return;
}
Box2f cropWindow( V2f( 0 ), V2f( 1 ) );
findCropWindowPlug();
if( m_cropWindowPlug )
{
cropWindow = m_cropWindowPlug->getValue();
}
BlockedConnection blockedConnection( m_overlayRectangleChangedConnection );
m_overlay->setRectangle(
Box2f(
V2f(
lerp( resolutionGate.min.x, resolutionGate.max.x, cropWindow.min.x ),
lerp( resolutionGate.min.y, resolutionGate.max.y, cropWindow.min.y )
),
V2f(
lerp( resolutionGate.min.x, resolutionGate.max.x, cropWindow.max.x ),
lerp( resolutionGate.min.y, resolutionGate.max.y, cropWindow.max.y )
)
)
);
m_overlayDirty = false;
}
