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: G4OpenGLWin32Viewer.cc,v 1.17 2006/06/29 21:19:36 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 | // 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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119 | WinSize_x = 400; |
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120 | WinSize_y = 400; |
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121 | if (WinSize_x < fVP.GetWindowSizeHintX ()) |
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122 | WinSize_x = fVP.GetWindowSizeHintX (); |
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123 | if (WinSize_y < fVP.GetWindowSizeHintY ()) |
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124 | WinSize_y = fVP.GetWindowSizeHintY (); |
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125 | |
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126 | fWindow = ::CreateWindow(className,fName.c_str(), |
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127 | WS_OVERLAPPEDWINDOW, |
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128 | //WS_CHILD | WS_VISIBLE, |
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129 | 0,0, |
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130 | WinSize_x,WinSize_y, |
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131 | NULL, NULL, |
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132 | ::GetModuleHandle(NULL), |
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133 | NULL); |
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134 | if(!fWindow) return; |
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135 | |
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136 | ::SetWindowLong(fWindow,GWL_USERDATA,LONG(this)); |
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137 | |
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138 | // initialize OpenGL rendering : |
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139 | fHDC = ::GetDC(fWindow); |
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140 | if( fHDC && (SetWindowPixelFormat(fHDC)==TRUE) ) { |
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141 | fHGLRC = ::wglCreateContext(fHDC); |
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142 | } |
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143 | |
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144 | if(fHDC && fHGLRC) { |
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145 | ::wglMakeCurrent(fHDC,fHGLRC); |
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146 | } |
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147 | |
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148 | ::SetForegroundWindow(fWindow); |
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149 | ::ShowWindow(fWindow,SW_SHOWDEFAULT); |
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150 | ::UpdateWindow(fWindow); |
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151 | ::DrawMenuBar(fWindow); |
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152 | } |
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153 | |
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154 | ////////////////////////////////////////////////////////////////////////////// |
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155 | G4OpenGLWin32Viewer::G4OpenGLWin32Viewer ( |
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156 | G4OpenGLSceneHandler& scene |
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157 | ) |
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158 | :G4VViewer (scene, -1) |
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159 | ,G4OpenGLViewer (scene) |
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160 | ,fWindow(0) |
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161 | ,fHDC(0) |
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162 | ,fHGLRC(0) |
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163 | ////////////////////////////////////////////////////////////////////////////// |
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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 | G4OpenGLWin32Viewer::~G4OpenGLWin32Viewer ( |
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170 | ) |
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171 | ////////////////////////////////////////////////////////////////////////////// |
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172 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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173 | { |
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174 | // This is the end (Jim Morisson). |
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175 | if (fViewId >= 0) { |
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176 | if(wglGetCurrentContext()!=NULL) wglMakeCurrent(NULL,NULL); |
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177 | if(fHGLRC) { |
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178 | wglDeleteContext(fHGLRC); |
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179 | fHGLRC = NULL; |
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180 | } |
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181 | |
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182 | if(fWindow) { |
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183 | ::SetWindowLong(fWindow,GWL_USERDATA,LONG(NULL)); |
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184 | if(fHDC) ::ReleaseDC(fWindow,fHDC); |
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185 | ::DestroyWindow(fWindow); |
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186 | } |
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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 | LRESULT CALLBACK G4OpenGLWin32Viewer::WindowProc ( |
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192 | HWND aWindow |
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193 | ,UINT aMessage |
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194 | ,WPARAM aWParam |
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195 | ,LPARAM aLParam |
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196 | ) |
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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 | switch (aMessage) { |
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202 | case WM_PAINT:{ |
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203 | printf("debug : PAINT\n"); |
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204 | HDC hDC; |
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205 | PAINTSTRUCT ps; |
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206 | hDC = BeginPaint(aWindow,&ps); |
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207 | if(This) { |
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208 | // FIXME : To have an automatic refresh someone have to redraw here. |
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209 | } |
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210 | EndPaint(aWindow, &ps); |
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211 | |
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212 | //FIXME : have to handle WM_RESIZE |
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213 | //pView->WinSize_x = (G4int) width; |
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214 | //pView->WinSize_y = (G4int) height; |
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215 | G4OpenGLWin32Viewer* This = |
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216 | (G4OpenGLWin32Viewer*)::GetWindowLong(aWindow,GWL_USERDATA); |
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217 | if(This) { |
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218 | This->SetView(); |
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219 | glViewport(0,0,This->WinSize_x,This->WinSize_y); |
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220 | This->ClearView(); |
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221 | This->DrawView(); |
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222 | // WARNING : the below empty the Windows message queue... |
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223 | This->FinishView(); |
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224 | } |
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225 | } return 0; |
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226 | default: |
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227 | return DefWindowProc(aWindow,aMessage,aWParam,aLParam); |
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228 | } |
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229 | */ |
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230 | return DefWindowProc(aWindow,aMessage,aWParam,aLParam); |
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231 | } |
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232 | |
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233 | ////////////////////////////////////////////////////////////////////////////// |
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234 | bool G4OpenGLWin32Viewer::SetWindowPixelFormat( |
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235 | HDC aHdc |
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236 | ) |
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237 | ////////////////////////////////////////////////////////////////////////////// |
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238 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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239 | { |
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240 | // The ungessable... |
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241 | |
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242 | PIXELFORMATDESCRIPTOR pfd; |
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243 | pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); |
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244 | pfd.nVersion = 1; |
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245 | pfd.dwFlags = |
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246 | PFD_DRAW_TO_WINDOW | |
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247 | PFD_SUPPORT_OPENGL | |
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248 | PFD_DOUBLEBUFFER | |
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249 | PFD_STEREO_DONTCARE; |
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250 | pfd.iPixelType = PFD_TYPE_RGBA; |
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251 | pfd.cColorBits = 32; |
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252 | pfd.cRedBits = 8; |
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253 | pfd.cRedShift = 16; |
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254 | pfd.cGreenBits = 8; |
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255 | pfd.cGreenShift = 8; |
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256 | pfd.cBlueBits = 8; |
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257 | pfd.cBlueShift = 0; |
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258 | pfd.cAlphaBits = 0; |
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259 | pfd.cAlphaShift = 0; |
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260 | pfd.cAccumBits = 64; |
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261 | pfd.cAccumRedBits = 16; |
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262 | pfd.cAccumGreenBits = 16; |
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263 | pfd.cAccumBlueBits = 16; |
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264 | pfd.cAccumAlphaBits = 0; |
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265 | pfd.cDepthBits = 32; |
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266 | pfd.cStencilBits = 8; |
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267 | pfd.cAuxBuffers = 0; |
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268 | pfd.iLayerType = PFD_MAIN_PLANE; |
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269 | pfd.bReserved = 0; |
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270 | pfd.dwLayerMask = 0; |
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271 | pfd.dwVisibleMask = 0; |
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272 | pfd.dwDamageMask = 0; |
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273 | |
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274 | int pixelIndex = ::ChoosePixelFormat(aHdc,&pfd); |
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275 | if (pixelIndex==0) { |
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276 | pixelIndex = 1; |
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277 | if (::DescribePixelFormat(aHdc, |
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278 | pixelIndex, |
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279 | sizeof(PIXELFORMATDESCRIPTOR), |
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280 | &pfd)==0) { |
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281 | return false; |
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282 | } |
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283 | } |
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284 | if (::SetPixelFormat(aHdc,pixelIndex,&pfd)==FALSE) return false; |
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285 | return true; |
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286 | } |
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287 | |
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288 | |
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289 | #endif |
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