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>
26 #include "HYDRO_trace.hxx"
28 void SetZLayerForPrs( const Handle(PrsMgr_Presentation)& thePrs, int theLayerId );
30 void SetPrsZLayer( const Handle(PrsMgr_PresentableObject)& thePresentableObject,
31 const int theMode, const int theLayerId )
33 PrsMgr_Presentations& aPresentations = thePresentableObject->Presentations();
34 for (Standard_Integer aIdx = 1; aIdx <= aPresentations.Length (); aIdx++)
36 Handle(PrsMgr_Presentation) aPrs = aPresentations (aIdx);
37 if ( aPrs->Mode() == theMode )
39 SetZLayerForPrs( aPrs, theLayerId );
44 void SetZLayerSettings( const Handle(V3d_Viewer)& theViewer3d, int theLayerId, bool theIsOrdered )
46 if ( theViewer3d.IsNull() /*|| theLayerId < 0*/ )
51 Graphic3d_ZLayerSettings aSettings = theViewer3d->ZLayerSettings( theLayerId );
53 aSettings.EnableSetting( Graphic3d_ZLayerDepthWrite );
54 // disable depth clear
55 aSettings.DisableSetting( Graphic3d_ZLayerDepthClear );
58 aSettings.DisableSetting( Graphic3d_ZLayerDepthTest );
59 // disable depth offset
60 aSettings.DisableSetting( Graphic3d_ZLayerDepthOffset );
63 aSettings.EnableSetting( Graphic3d_ZLayerDepthTest );
65 aSettings.SetDepthOffsetPositive();
69 theViewer3d->SetZLayerSettings( theLayerId, aSettings );
72 int CreateTopZLayer( const Handle(V3d_Viewer)& theViewer3d )
74 DEBTRACE("CreateTopZLayer");
75 int aTopZLayer = Graphic3d_ZLayerId_Top;
77 if ( theViewer3d ) //&& !theViewer3d->AddZLayer( aTopZLayer ) ) {
81 theViewer3d->AddZLayer( aTopZLayer );
85 DEBTRACE("Add ZLayer not possible");
86 aTopZLayer = Graphic3d_ZLayerId_Top;
89 DEBTRACE(" aTopZLayer: " << aTopZLayer);
94 HYDROGUI_ZLayersIterator::HYDROGUI_ZLayersIterator( const Handle(V3d_Viewer)& theViewer )
95 : myIndex( 0 ), myNewZLayer( Graphic3d_ZLayerId_Top ), myViewer( theViewer )
100 HYDROGUI_ZLayersIterator::~HYDROGUI_ZLayersIterator()
104 void HYDROGUI_ZLayersIterator::Init( const Handle(V3d_Viewer)& theViewer )
106 TColStd_SequenceOfInteger anExistingZLayers;
107 theViewer->GetAllZLayers( anExistingZLayers );
109 int n = anExistingZLayers.Length();
110 for( int i=1; i<=n; i++ ) {
111 int aLayerId = anExistingZLayers( i );
112 if ( aLayerId >= 0 ) {
113 myZLayers.push_back( aLayerId );
120 bool HYDROGUI_ZLayersIterator::More() const
122 return myIndex < (int)myZLayers.size() || myNewZLayer >= 0;
125 void HYDROGUI_ZLayersIterator::Next()
129 if( myIndex >= (int)myZLayers.size() &&
130 !myViewer.IsNull() ) {
131 myNewZLayer = CreateTopZLayer( myViewer );
135 int HYDROGUI_ZLayersIterator::TopLayer() const
137 int aTopLayer = Graphic3d_ZLayerId_Top;
139 if ( myNewZLayer >= 0 ) {
140 aTopLayer = myNewZLayer;
141 } else if ( !myZLayers.empty() ) {
142 aTopLayer = myZLayers.back();
149 int HYDROGUI_ZLayersIterator::LayerId() const
151 if( myIndex < (int)myZLayers.size() )
152 return myZLayers[myIndex];