[529] | 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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[906] | 27 | // $Id: G4OpenGLWin32Viewer.cc,v 1.18 2009/01/13 09:47:05 lgarnier Exp $ |
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| 28 | // GEANT4 tag $Name: $ |
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[529] | 29 | // |
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| 30 | // |
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| 31 | // G4OpenGLWin32Viewer : Class to provide WindowsNT specific |
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| 32 | // functionality for OpenGL in GEANT4 |
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| 33 | // |
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| 34 | // 27/06/2003 : G.Barrand : implementation (at last !). |
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| 35 | |
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| 36 | #ifdef G4VIS_BUILD_OPENGLWIN32_DRIVER |
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| 37 | |
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| 38 | #include "G4OpenGLWin32Viewer.hh" |
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| 39 | |
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| 40 | #include "G4ios.hh" |
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| 41 | #include "G4VisExtent.hh" |
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| 42 | #include "G4LogicalVolume.hh" |
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| 43 | #include "G4VSolid.hh" |
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| 44 | #include "G4Point3D.hh" |
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| 45 | #include "G4Normal3D.hh" |
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| 46 | |
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| 47 | |
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| 48 | ////////////////////////////////////////////////////////////////////////////// |
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| 49 | void G4OpenGLWin32Viewer::SetView ( |
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| 50 | ) |
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| 51 | ////////////////////////////////////////////////////////////////////////////// |
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| 52 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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| 53 | { |
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| 54 | if(!fHDC) return; |
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| 55 | if(!fHGLRC) return; |
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| 56 | ::wglMakeCurrent(fHDC,fHGLRC); |
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| 57 | G4OpenGLViewer::SetView (); |
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| 58 | } |
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| 59 | |
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| 60 | ////////////////////////////////////////////////////////////////////////////// |
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| 61 | void G4OpenGLWin32Viewer::ShowView ( |
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| 62 | ) |
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| 63 | ////////////////////////////////////////////////////////////////////////////// |
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| 64 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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| 65 | { |
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| 66 | if(!fHDC) return; |
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| 67 | glFlush (); |
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| 68 | // Empty the Windows message queue : |
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| 69 | MSG event; |
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| 70 | while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) { |
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| 71 | ::TranslateMessage(&event); |
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| 72 | ::DispatchMessage (&event); |
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| 73 | } |
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| 74 | } |
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| 75 | |
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| 76 | ////////////////////////////////////////////////////////////////////////////// |
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| 77 | void G4OpenGLWin32Viewer::GetWin32Connection ( |
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| 78 | ) |
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| 79 | ////////////////////////////////////////////////////////////////////////////// |
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| 80 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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| 81 | { |
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| 82 | } |
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| 83 | |
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| 84 | ////////////////////////////////////////////////////////////////////////////// |
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| 85 | void G4OpenGLWin32Viewer::CreateGLWin32Context ( |
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| 86 | ) |
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| 87 | ////////////////////////////////////////////////////////////////////////////// |
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| 88 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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| 89 | { |
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| 90 | } |
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| 91 | |
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| 92 | ////////////////////////////////////////////////////////////////////////////// |
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| 93 | void G4OpenGLWin32Viewer::CreateMainWindow ( |
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| 94 | ) |
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| 95 | ////////////////////////////////////////////////////////////////////////////// |
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| 96 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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| 97 | { |
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| 98 | if(fWindow) return; //Done. |
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| 99 | |
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| 100 | // Bill Gates stuff... |
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| 101 | static const char className[] = "G4OpenGLWin32"; |
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| 102 | static bool done = false; |
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| 103 | if(done==false) { |
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| 104 | WNDCLASS wc; |
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| 105 | wc.style = CS_HREDRAW | CS_VREDRAW; |
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| 106 | wc.lpfnWndProc = (WNDPROC)WindowProc; |
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| 107 | wc.cbClsExtra = 0; |
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| 108 | wc.cbWndExtra = 0; |
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| 109 | wc.hInstance = ::GetModuleHandle(NULL); |
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| 110 | wc.hIcon = LoadIcon (NULL, IDI_APPLICATION); |
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| 111 | wc.hCursor = LoadCursor(NULL,IDC_CROSS); |
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| 112 | wc.hbrBackground = NULL; |
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| 113 | wc.lpszMenuName = className; |
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| 114 | wc.lpszClassName = className; |
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| 115 | ::RegisterClass(&wc); |
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| 116 | done = true; |
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| 117 | } |
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| 118 | |
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[898] | 119 | fWinSize_x = fVP.GetWindowSizeHintX(); |
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| 120 | fWinSize_y = fVP.GetWindowSizeHintY(); |
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| 121 | int x_res=GetSystemMetrics(SM_CXSCREEN); |
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| 122 | int y_res=GetSystemMetrics(SM_CYSCREEN); |
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| 123 | |
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| 124 | //FIXME : NOT tested ! |
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[529] | 125 | fWindow = ::CreateWindow(className,fName.c_str(), |
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| 126 | WS_OVERLAPPEDWINDOW, |
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| 127 | //WS_CHILD | WS_VISIBLE, |
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[898] | 128 | // 0,0, |
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| 129 | fVP.GetWindowAbsoluteLocationHintX(x_res), |
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| 130 | fVP.GetWindowAbsoluteLocationHintY(y_res), |
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[897] | 131 | fWinSize_x,fWinSize_y, |
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[529] | 132 | NULL, NULL, |
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| 133 | ::GetModuleHandle(NULL), |
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| 134 | NULL); |
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| 135 | if(!fWindow) return; |
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| 136 | |
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| 137 | ::SetWindowLong(fWindow,GWL_USERDATA,LONG(this)); |
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| 138 | |
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| 139 | // initialize OpenGL rendering : |
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| 140 | fHDC = ::GetDC(fWindow); |
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| 141 | if( fHDC && (SetWindowPixelFormat(fHDC)==TRUE) ) { |
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| 142 | fHGLRC = ::wglCreateContext(fHDC); |
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| 143 | } |
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| 144 | |
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| 145 | if(fHDC && fHGLRC) { |
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| 146 | ::wglMakeCurrent(fHDC,fHGLRC); |
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| 147 | } |
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| 148 | |
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| 149 | ::SetForegroundWindow(fWindow); |
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| 150 | ::ShowWindow(fWindow,SW_SHOWDEFAULT); |
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| 151 | ::UpdateWindow(fWindow); |
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| 152 | ::DrawMenuBar(fWindow); |
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| 153 | } |
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| 154 | |
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| 155 | ////////////////////////////////////////////////////////////////////////////// |
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| 156 | G4OpenGLWin32Viewer::G4OpenGLWin32Viewer ( |
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| 157 | G4OpenGLSceneHandler& scene |
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| 158 | ) |
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| 159 | :G4VViewer (scene, -1) |
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| 160 | ,G4OpenGLViewer (scene) |
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| 161 | ,fWindow(0) |
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| 162 | ,fHDC(0) |
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| 163 | ,fHGLRC(0) |
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| 164 | ////////////////////////////////////////////////////////////////////////////// |
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| 165 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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| 166 | { |
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| 167 | } |
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| 168 | |
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| 169 | ////////////////////////////////////////////////////////////////////////////// |
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| 170 | G4OpenGLWin32Viewer::~G4OpenGLWin32Viewer ( |
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| 171 | ) |
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| 172 | ////////////////////////////////////////////////////////////////////////////// |
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| 173 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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| 174 | { |
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| 175 | // This is the end (Jim Morisson). |
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| 176 | if (fViewId >= 0) { |
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| 177 | if(wglGetCurrentContext()!=NULL) wglMakeCurrent(NULL,NULL); |
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| 178 | if(fHGLRC) { |
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| 179 | wglDeleteContext(fHGLRC); |
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| 180 | fHGLRC = NULL; |
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| 181 | } |
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| 182 | |
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| 183 | if(fWindow) { |
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| 184 | ::SetWindowLong(fWindow,GWL_USERDATA,LONG(NULL)); |
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| 185 | if(fHDC) ::ReleaseDC(fWindow,fHDC); |
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| 186 | ::DestroyWindow(fWindow); |
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| 187 | } |
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| 188 | } |
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| 189 | } |
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| 190 | |
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| 191 | ////////////////////////////////////////////////////////////////////////////// |
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| 192 | LRESULT CALLBACK G4OpenGLWin32Viewer::WindowProc ( |
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| 193 | HWND aWindow |
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| 194 | ,UINT aMessage |
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| 195 | ,WPARAM aWParam |
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| 196 | ,LPARAM aLParam |
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| 197 | ) |
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| 198 | ////////////////////////////////////////////////////////////////////////////// |
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| 199 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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| 200 | { |
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| 201 | /* |
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| 202 | switch (aMessage) { |
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| 203 | case WM_PAINT:{ |
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| 204 | printf("debug : PAINT\n"); |
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| 205 | HDC hDC; |
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| 206 | PAINTSTRUCT ps; |
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| 207 | hDC = BeginPaint(aWindow,&ps); |
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| 208 | if(This) { |
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| 209 | // FIXME : To have an automatic refresh someone have to redraw here. |
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| 210 | } |
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| 211 | EndPaint(aWindow, &ps); |
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| 212 | |
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| 213 | //FIXME : have to handle WM_RESIZE |
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[897] | 214 | //pView->fWinSize_x = (G4int) width; |
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| 215 | //pView->fWinSize_y = (G4int) height; |
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[529] | 216 | G4OpenGLWin32Viewer* This = |
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| 217 | (G4OpenGLWin32Viewer*)::GetWindowLong(aWindow,GWL_USERDATA); |
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| 218 | if(This) { |
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| 219 | This->SetView(); |
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[897] | 220 | glViewport(0,0,This->fWinSize_x,This->fWinSize_y); |
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[529] | 221 | This->ClearView(); |
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| 222 | This->DrawView(); |
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| 223 | // WARNING : the below empty the Windows message queue... |
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| 224 | This->FinishView(); |
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| 225 | } |
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| 226 | } return 0; |
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| 227 | default: |
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| 228 | return DefWindowProc(aWindow,aMessage,aWParam,aLParam); |
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| 229 | } |
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| 230 | */ |
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| 231 | return DefWindowProc(aWindow,aMessage,aWParam,aLParam); |
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| 232 | } |
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| 233 | |
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| 234 | ////////////////////////////////////////////////////////////////////////////// |
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| 235 | bool G4OpenGLWin32Viewer::SetWindowPixelFormat( |
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| 236 | HDC aHdc |
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| 237 | ) |
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| 238 | ////////////////////////////////////////////////////////////////////////////// |
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| 239 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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| 240 | { |
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| 241 | // The ungessable... |
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| 242 | |
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| 243 | PIXELFORMATDESCRIPTOR pfd; |
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| 244 | pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); |
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| 245 | pfd.nVersion = 1; |
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| 246 | pfd.dwFlags = |
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| 247 | PFD_DRAW_TO_WINDOW | |
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| 248 | PFD_SUPPORT_OPENGL | |
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| 249 | PFD_DOUBLEBUFFER | |
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| 250 | PFD_STEREO_DONTCARE; |
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| 251 | pfd.iPixelType = PFD_TYPE_RGBA; |
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| 252 | pfd.cColorBits = 32; |
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| 253 | pfd.cRedBits = 8; |
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| 254 | pfd.cRedShift = 16; |
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| 255 | pfd.cGreenBits = 8; |
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| 256 | pfd.cGreenShift = 8; |
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| 257 | pfd.cBlueBits = 8; |
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| 258 | pfd.cBlueShift = 0; |
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| 259 | pfd.cAlphaBits = 0; |
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| 260 | pfd.cAlphaShift = 0; |
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| 261 | pfd.cAccumBits = 64; |
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| 262 | pfd.cAccumRedBits = 16; |
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| 263 | pfd.cAccumGreenBits = 16; |
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| 264 | pfd.cAccumBlueBits = 16; |
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| 265 | pfd.cAccumAlphaBits = 0; |
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| 266 | pfd.cDepthBits = 32; |
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| 267 | pfd.cStencilBits = 8; |
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| 268 | pfd.cAuxBuffers = 0; |
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| 269 | pfd.iLayerType = PFD_MAIN_PLANE; |
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| 270 | pfd.bReserved = 0; |
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| 271 | pfd.dwLayerMask = 0; |
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| 272 | pfd.dwVisibleMask = 0; |
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| 273 | pfd.dwDamageMask = 0; |
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| 274 | |
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| 275 | int pixelIndex = ::ChoosePixelFormat(aHdc,&pfd); |
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| 276 | if (pixelIndex==0) { |
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| 277 | pixelIndex = 1; |
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| 278 | if (::DescribePixelFormat(aHdc, |
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| 279 | pixelIndex, |
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| 280 | sizeof(PIXELFORMATDESCRIPTOR), |
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| 281 | &pfd)==0) { |
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| 282 | return false; |
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| 283 | } |
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| 284 | } |
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| 285 | if (::SetPixelFormat(aHdc,pixelIndex,&pfd)==FALSE) return false; |
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| 286 | return true; |
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| 287 | } |
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| 288 | |
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| 289 | |
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| 290 | #endif |
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