1 // Copyright (C) 2014-2015 EDF-R&D
2 // This library is free software; you can redistribute it and/or
3 // modify it under the terms of the GNU Lesser General Public
4 // License as published by the Free Software Foundation; either
5 // version 2.1 of the License, or (at your option) any later version.
7 // This library is distributed in the hope that it will be useful,
8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 // Lesser General Public License for more details.
12 // You should have received a copy of the GNU Lesser General Public
13 // License along with this library; if not, write to the Free Software
14 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 #include <HYDROGUI_ZLayers.h>
20 #include <PrsMgr_PresentableObject.hxx>
21 #include <PrsMgr_Presentations.hxx>
22 #include <TColStd_SequenceOfInteger.hxx>
23 #include <Graphic3d_ZLayerId.hxx>
25 void SetZLayerForPrs( const Handle(PrsMgr_Presentation)& thePrs, int theLayerId );
27 void SetPrsZLayer( const Handle(PrsMgr_PresentableObject)& thePresentableObject,
28 const int theMode, const int theLayerId )
30 PrsMgr_Presentations& aPresentations = thePresentableObject->Presentations();
31 for (Standard_Integer aIdx = 1; aIdx <= aPresentations.Length (); aIdx++)
33 Handle(PrsMgr_Presentation) aPrs = aPresentations (aIdx);
34 if ( aPrs->Mode() == theMode )
36 SetZLayerForPrs( aPrs, theLayerId );
41 void SetZLayerSettings( const Handle(V3d_Viewer)& theViewer3d, int theLayerId, bool theIsOrdered )
43 if ( theViewer3d.IsNull() /*|| theLayerId < 0*/ )
48 Graphic3d_ZLayerSettings aSettings = theViewer3d->ZLayerSettings( theLayerId );
50 aSettings.EnableSetting( Graphic3d_ZLayerDepthWrite );
51 // disable depth clear
52 aSettings.DisableSetting( Graphic3d_ZLayerDepthClear );
55 aSettings.DisableSetting( Graphic3d_ZLayerDepthTest );
56 // disable depth offset
57 aSettings.DisableSetting( Graphic3d_ZLayerDepthOffset );
60 aSettings.EnableSetting( Graphic3d_ZLayerDepthTest );
62 aSettings.SetDepthOffsetPositive();
66 theViewer3d->SetZLayerSettings( theLayerId, aSettings );
69 int CreateTopZLayer( const Handle(V3d_Viewer)& theViewer3d )
71 int aTopZLayer = Graphic3d_ZLayerId_Top;
73 if ( theViewer3d && !theViewer3d->AddZLayer( aTopZLayer ) ) {
74 aTopZLayer = Graphic3d_ZLayerId_Top;
81 HYDROGUI_ZLayersIterator::HYDROGUI_ZLayersIterator( const Handle(V3d_Viewer)& theViewer )
82 : myIndex( 0 ), myNewZLayer( Graphic3d_ZLayerId_Top ), myViewer( theViewer )
87 HYDROGUI_ZLayersIterator::~HYDROGUI_ZLayersIterator()
91 void HYDROGUI_ZLayersIterator::Init( const Handle(V3d_Viewer)& theViewer )
93 TColStd_SequenceOfInteger anExistingZLayers;
94 theViewer->GetAllZLayers( anExistingZLayers );
96 int n = anExistingZLayers.Length();
97 for( int i=1; i<=n; i++ ) {
98 int aLayerId = anExistingZLayers( i );
99 if ( aLayerId >= 0 ) {
100 myZLayers.push_back( aLayerId );
107 bool HYDROGUI_ZLayersIterator::More() const
109 return myIndex < (int)myZLayers.size() || myNewZLayer >= 0;
112 void HYDROGUI_ZLayersIterator::Next()
116 if( myIndex >= (int)myZLayers.size() &&
117 !myViewer.IsNull() ) {
118 myNewZLayer = CreateTopZLayer( myViewer );
122 int HYDROGUI_ZLayersIterator::TopLayer() const
124 int aTopLayer = Graphic3d_ZLayerId_Top;
126 if ( myNewZLayer >= 0 ) {
127 aTopLayer = myNewZLayer;
128 } else if ( !myZLayers.empty() ) {
129 aTopLayer = myZLayers.back();
136 int HYDROGUI_ZLayersIterator::LayerId() const
138 if( myIndex < (int)myZLayers.size() )
139 return myZLayers[myIndex];