src/V3d/V3d_Viewer_2.cxx

   1 // Copyright (c) 1999-2014 OPEN CASCADE SAS
   2 //
   3 // This file is part of Open CASCADE Technology software library.
   4 //
   5 // This library is free software; you can redistribute it and/or modify it under
   6 // the terms of the GNU Lesser General Public License version 2.1 as published
   7 // by the Free Software Foundation, with special exception defined in the file
   8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
   9 // distribution for complete text of the license and disclaimer of any warranty.
  10 //
  11 // Alternatively, this file may be used under the terms of Open CASCADE
  12 // commercial license or contractual agreement.
  13
  14
  15 #include <Aspect_Background.hxx>
  16 #include <Aspect_GradientBackground.hxx>
  17 #include <Aspect_Grid.hxx>
  18 #include <gp_Ax3.hxx>
  19 #include <Graphic3d_AspectMarker3d.hxx>
  20 #include <Graphic3d_GraphicDriver.hxx>
  21 #include <Graphic3d_Group.hxx>
  22 #include <Graphic3d_Structure.hxx>
  23 #include <Quantity_Color.hxx>
  24 #include <V3d.hxx>
  25 #include <V3d_AmbientLight.hxx>
  26 #include <V3d_BadValue.hxx>
  27 #include <V3d_CircularGrid.hxx>
  28 #include <V3d_DirectionalLight.hxx>
  29 #include <V3d_Light.hxx>
  30 #include <V3d_PositionalLight.hxx>
  31 #include <V3d_RectangularGrid.hxx>
  32 #include <V3d_View.hxx>
  33 #include <V3d_Viewer.hxx>
  34
  35 void V3d_Viewer::UpdateLights() {
  36
  37   for (InitActiveViews();MoreActiveViews();NextActiveViews()){
  38     ActiveView()->UpdateLights();
  39   }
  40 }
  41
  42 void V3d_Viewer::SetLightOn( const Handle(V3d_Light)& TheLight ) {
  43
  44
  45   if(!MyActiveLights.Contains(TheLight)) {
  46 //    V3d_BadValue_Raise_if( MyActiveLights.Extent() >= MyDriver->InquireLightLimit(),
  47 //                               "too many lights");
  48       MyActiveLights.Append(TheLight) ;
  49   }
  50
  51   for (InitActiveViews();MoreActiveViews();NextActiveViews()){
  52     ActiveView()->SetLightOn(TheLight);}
  53 }
  54
  55 void V3d_Viewer::SetLightOff( const Handle(V3d_Light)& TheLight ) {
  56
  57   MyActiveLights.Remove(TheLight);
  58   for (InitActiveViews();MoreActiveViews();NextActiveViews()) {
  59     ActiveView()->SetLightOff(TheLight);}
  60 }
  61
  62
  63 void V3d_Viewer::SetLightOn() {
  64
  65   for (InitDefinedLights();MoreDefinedLights();NextDefinedLights()) {
  66     if(!MyActiveLights.Contains(DefinedLight())) {
  67 //      V3d_BadValue_Raise_if( MyActiveLights.Extent() >= MyDriver->InquireLightLimit(),
  68 //                                 "too many lights");
  69       MyActiveLights.Append(DefinedLight());
  70       for (InitActiveViews();MoreActiveViews();NextActiveViews()) {
  71         ActiveView()->SetLightOn(DefinedLight());}
  72     }
  73   }
  74 }
  75
  76 void V3d_Viewer::SetLightOff() {
  77
  78   for (InitActiveLights();MoreActiveLights();NextActiveLights()) {
  79     for(InitActiveViews();MoreActiveViews();NextActiveViews()){
  80       ActiveView()->SetLightOff(ActiveLight());}
  81   }
  82   MyActiveLights.Clear();
  83 }
  84
  85 void V3d_Viewer::SetCurrentSelectedLight(const Handle(V3d_Light)& TheLight) {
  86   MyCurrentSelectedLight = TheLight;
  87 }
  88
  89 void V3d_Viewer::ClearCurrentSelectedLight() {
  90   MyCurrentSelectedLight.Nullify();
  91 }
  92
  93
  94 Handle(V3d_Light) V3d_Viewer::CurrentSelectedLight() const {
  95
  96   return MyCurrentSelectedLight;
  97 }
  98
  99 Standard_Boolean V3d_Viewer::IsGlobalLight(const Handle(V3d_Light)& TheLight)
 100  const {
 101
 102    return MyActiveLights.Contains(TheLight);
 103 }
 104
 105
 106 void V3d_Viewer::AddLight( const Handle(V3d_Light)& TheLight )  {
 107
 108   MyDefinedLights.Append(TheLight);
 109 }
 110
 111 void V3d_Viewer::DelLight( const Handle(V3d_Light)& TheLight ) {
 112
 113   SetLightOff(TheLight);
 114   MyDefinedLights.Remove(TheLight);
 115 }
 116
 117 void V3d_Viewer::SetDefaultLights()
 118 {
 119   while (MyDefinedLights.Extent() > 0)
 120   {
 121     DelLight (Handle(V3d_Light)::DownCast (MyDefinedLights.First()));
 122   }
 123
 124   SetLightOn (new V3d_DirectionalLight (this, V3d_Zneg, Quantity_NOC_WHITE, Standard_True));
 125   SetLightOn (new V3d_AmbientLight (this));
 126 }