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// File: V3d_LayerMgr.cxx
// Created: Thu Apr 17 12:34:25 2008
// Author: Customer Support
//Copyright: Open Cascade 2008
#include <V3d_LayerMgr.ixx>
#include <Aspect_Window.hxx>
#include <Visual3d_View.hxx>
#include <V3d_ColorScale.hxx>
#include <Graphic3d_NameOfFont.hxx>
V3d_LayerMgr::V3d_LayerMgr( const Handle(V3d_View)& AView )
: myView(AView.operator->())
{
Handle(Visual3d_View) theView = View()->View();
if ( !theView.IsNull() ) {
Handle(Visual3d_ViewManager) theViewMgr = theView->ViewManager();
if ( !theViewMgr.IsNull() ) {
V3d_LayerMgr* that = (V3d_LayerMgr*)this;
that->myOverlay = new Visual3d_Layer( theViewMgr, Aspect_TOL_OVERLAY, Standard_False );
}
}
}
void V3d_LayerMgr::Compute()
{
if (Begin())
{
Redraw();
End();
}
}
void V3d_LayerMgr::Resized()
{
Compute();
}
void V3d_LayerMgr::ColorScaleDisplay()
{
ColorScale();
myColorScale->Display();
myOverlay->AddLayerItem( myColorScaleLayerItem );
}
void V3d_LayerMgr::ColorScaleErase()
{
if ( !myColorScale.IsNull() )
myColorScale->Erase();
myOverlay->RemoveLayerItem( myColorScaleLayerItem );
}
Standard_Boolean V3d_LayerMgr::ColorScaleIsDisplayed() const
{
return ( myColorScale.IsNull() ? Standard_False : myColorScale->IsDisplayed() );
}
Handle(Aspect_ColorScale) V3d_LayerMgr::ColorScale() const
{
if ( myColorScale.IsNull() ) {
Handle(V3d_LayerMgr) that = this;
that->myColorScale = new V3d_ColorScale( this );
that->myColorScaleLayerItem = new V3d_ColorScaleLayerItem( that->myColorScale );
}
return myColorScale;
}
Standard_Boolean V3d_LayerMgr::Begin()
{
if ( myOverlay.IsNull() )
return Standard_False;
const Handle(Aspect_Window) &theWin = View()->Window();
if ( theWin.IsNull() )
return Standard_False;
Standard_Integer aW( 0 ), aH( 0 );
theWin->Size( aW, aH );
myOverlay->Clear();
myOverlay->SetViewport( aW, aH ); //szv:!!!
myOverlay->Begin();
myOverlay->SetTextAttributes( Graphic3d_NOF_ASCII_MONO, Aspect_TODT_SUBTITLE, Quantity_Color() );
myOverlay->SetOrtho( 0, Max( aW, aH ), Max( aW, aH ), 0, Aspect_TOC_TOP_LEFT );
return Standard_True;
}
void V3d_LayerMgr::Redraw()
{
}
void V3d_LayerMgr::End()
{
if ( !myOverlay.IsNull() )
myOverlay->End();
}
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