1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4VViewer.cc,v 1.23 2006/06/29 21:29:26 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-08-01-patch-01 $ |
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29 | // |
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30 | // |
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31 | // John Allison 27th March 1996 |
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32 | // Abstract interface class for graphics views. |
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33 | |
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34 | #include "G4VViewer.hh" |
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35 | |
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36 | #include "G4ios.hh" |
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37 | #include <sstream> |
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38 | |
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39 | #include "G4VisManager.hh" |
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40 | #include "G4VGraphicsSystem.hh" |
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41 | #include "G4VSceneHandler.hh" |
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42 | #include "G4Scene.hh" |
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43 | #include "G4VPhysicalVolume.hh" |
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44 | #include "G4Transform3D.hh" |
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45 | |
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46 | G4VViewer::G4VViewer (G4VSceneHandler& sceneHandler, |
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47 | G4int id, const G4String& name): |
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48 | fSceneHandler (sceneHandler), |
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49 | fViewId (id), |
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50 | //fModified (true), |
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51 | fNeedKernelVisit (true) |
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52 | { |
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53 | if (name == "") { |
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54 | std::ostringstream ost; |
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55 | ost << fSceneHandler.GetName () << '-' << fViewId; |
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56 | fName = ost.str(); |
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57 | } |
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58 | else { |
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59 | fName = name; |
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60 | } |
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61 | fShortName = fName (0, fName.find (' ')); |
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62 | fShortName.strip (); |
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63 | |
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64 | G4VisManager* pVisMan = G4VisManager::GetInstance(); |
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65 | G4int xHint, yHint; |
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66 | pVisMan->GetWindowSizeHint(xHint, yHint); |
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67 | const G4String& XGeometryString = pVisMan->GetXGeometryString(); |
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68 | fVP.SetWindowSizeHint(xHint,yHint); |
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69 | fVP.SetXGeometryString(XGeometryString); |
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70 | fDefaultVP.SetWindowSizeHint(xHint,yHint); |
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71 | fDefaultVP.SetXGeometryString(XGeometryString); |
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72 | } |
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73 | |
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74 | G4VViewer::~G4VViewer () {} |
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75 | |
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76 | void G4VViewer::SetName (const G4String& name) { |
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77 | fName = name; |
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78 | fShortName = fName (0, fName.find (' ')); |
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79 | fShortName.strip (); |
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80 | } |
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81 | |
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82 | const G4VisAttributes* G4VViewer::GetApplicableVisAttributes |
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83 | (const G4VisAttributes* pVisAttribs) const { |
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84 | // If the pointer is null, pick up the default vis attributes from |
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85 | // the view parameters. |
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86 | if (!pVisAttribs) |
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87 | pVisAttribs = GetViewParameters ().GetDefaultVisAttributes (); |
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88 | return pVisAttribs; |
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89 | } |
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90 | |
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91 | void G4VViewer::NeedKernelVisit () { |
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92 | |
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93 | fNeedKernelVisit = true; |
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94 | |
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95 | // At one time I thought we'd better notify all viewers. But I guess |
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96 | // each viewer can take care of itself, so the following code is |
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97 | // redundant (but keep it commented out for now). (John Allison) |
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98 | // Notify all viewers that a kernel visit is required. |
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99 | // const G4ViewerList& viewerList = fSceneHandler.GetViewerList (); |
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100 | // G4ViewerListConstIterator i; |
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101 | // for (i = viewerList.begin(); i != viewerList.end(); i++) { |
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102 | // (*i) -> SetNeedKernelVisit (); |
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103 | // } |
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104 | // ??...but, there's a problem in OpenGL Stored which seems to |
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105 | // require *all* viewers to revisit the kernel, so... |
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106 | /* |
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107 | const G4ViewerList& viewerList = fSceneHandler.GetViewerList (); |
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108 | G4ViewerListConstIterator i; |
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109 | for (i = viewerList.begin(); i != viewerList.end(); i++) { |
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110 | (*i) -> SetNeedKernelVisit (true); |
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111 | } |
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112 | */ |
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113 | // Feb 2005 - commented out. Let's fix OpenGL if necessary. |
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114 | } |
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115 | |
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116 | void G4VViewer::FinishView () {} |
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117 | |
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118 | void G4VViewer::ShowView () {} |
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119 | |
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120 | void G4VViewer::ProcessView () |
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121 | { |
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122 | // If ClearStore has been requested, e.g., if the scene has changed, |
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123 | // or if the concrete viewer has decided that it necessary to visit |
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124 | // the kernel, perhaps because the view parameters have changed |
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125 | // significantly (this should be done in the concrete viewer's |
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126 | // DrawView)... |
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127 | if (fNeedKernelVisit) { |
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128 | // Reset flag. This must be done before ProcessScene to prevent |
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129 | // recursive calls when recomputing transients... |
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130 | fNeedKernelVisit = false; |
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131 | fSceneHandler.ProcessScene (*this); |
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132 | } |
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133 | } |
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134 | |
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135 | void G4VViewer::SetViewParameters (const G4ViewParameters& vp) { |
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136 | fVP = vp; |
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137 | } |
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138 | |
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139 | std::ostream& operator << (std::ostream& os, const G4VViewer& v) { |
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140 | os << "View " << v.fName << ":\n"; |
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141 | os << v.fVP; |
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142 | return os; |
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143 | } |
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