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: G4ViewParameters.cc,v 1.36 2009/01/21 17:05:12 lgarnier Exp $ |
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28 | // GEANT4 tag $Name: $ |
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29 | // |
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30 | // |
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31 | // John Allison 19th July 1996 |
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32 | // View parameters and options. |
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33 | |
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34 | #include "G4ViewParameters.hh" |
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35 | |
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36 | #include "G4VisManager.hh" |
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37 | #include "G4UnitsTable.hh" |
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38 | #include "G4ios.hh" |
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39 | |
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40 | G4ViewParameters::G4ViewParameters (): |
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41 | fNoValue(0x0000), |
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42 | fXValue(0x0001), |
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43 | fYValue(0x0002), |
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44 | fWidthValue(0x0004), |
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45 | fHeightValue(0x0008), |
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46 | fAllValues(0x000F), |
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47 | fXNegative(0x0010), |
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48 | fYNegative(0x0020), |
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49 | fDrawingStyle (wireframe), |
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50 | fAuxEdgeVisible (false), |
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51 | fRepStyle (polyhedron), |
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52 | fCulling (true), |
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53 | fCullInvisible (true), |
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54 | fDensityCulling (false), |
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55 | fVisibleDensity (0.01 * g / cm3), |
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56 | fCullCovered (false), |
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57 | fSection (false), |
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58 | fSectionPlane (), |
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59 | fCutawayMode (cutawayUnion), |
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60 | fCutawayPlanes (), |
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61 | fExplodeFactor (1.), |
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62 | fNoOfSides (24), |
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63 | fViewpointDirection (G4Vector3D (0., 0., 1.)), // On z-axis. |
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64 | fUpVector (G4Vector3D (0., 1., 0.)), // y-axis up. |
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65 | fFieldHalfAngle (0.), // Orthogonal projection. |
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66 | fZoomFactor (1.), |
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67 | fScaleFactor (G4Vector3D (1., 1., 1.)), |
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68 | fCurrentTargetPoint (), |
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69 | fDolly (0.), |
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70 | fLightsMoveWithCamera (false), |
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71 | fRelativeLightpointDirection (G4Vector3D (1., 1., 1.)), |
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72 | fActualLightpointDirection (G4Vector3D (1., 1., 1.)), |
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73 | fDefaultVisAttributes (), |
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74 | fDefaultTextVisAttributes (G4Colour (0., 0., 1.)), |
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75 | fDefaultMarker (), |
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76 | fGlobalMarkerScale (1.), |
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77 | fGlobalLineWidthScale (1.), |
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78 | fMarkerNotHidden (true), |
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79 | fWindowSizeHintX (600), |
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80 | fWindowSizeHintY (600), |
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81 | fWindowLocationHintX(0), |
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82 | fWindowLocationHintY(0), |
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83 | fWindowLocationHintXNegative(true), |
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84 | fWindowLocationHintYNegative(false), |
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85 | fAutoRefresh (false), |
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86 | fBackgroundColour (G4Colour(0.,0.,0.)), // Black |
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87 | fPicking (false) |
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88 | { |
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89 | fDefaultMarker.SetScreenSize (5.); |
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90 | // Markers are 5 pixels "overall" size, i.e., diameter. |
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91 | } |
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92 | |
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93 | G4ViewParameters::~G4ViewParameters () {} |
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94 | |
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95 | void G4ViewParameters::MultiplyScaleFactor |
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96 | (const G4Vector3D& scaleFactorMultiplier) { |
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97 | fScaleFactor.setX(fScaleFactor.x() * scaleFactorMultiplier.x()); |
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98 | fScaleFactor.setY(fScaleFactor.y() * scaleFactorMultiplier.y()); |
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99 | fScaleFactor.setZ(fScaleFactor.z() * scaleFactorMultiplier.z()); |
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100 | } |
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101 | |
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102 | G4Vector3D& G4ViewParameters::GetActualLightpointDirection () { |
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103 | SetViewAndLights (fViewpointDirection); |
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104 | return fActualLightpointDirection; |
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105 | } |
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106 | |
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107 | // Useful quantities - begin snippet. |
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108 | // Here Follow functions to evaluate the above algorithms as a |
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109 | // function of the radius of the Bounding Sphere of the object being |
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110 | // viewed. Call them in the order given - for efficiency, later |
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111 | // functions depend on the results of earlier ones (Store the |
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112 | // results of earlier functions in your own temporary variables - |
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113 | // see, for example, G4OpenGLView::SetView ().) |
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114 | |
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115 | G4double G4ViewParameters::GetCameraDistance (G4double radius) const { |
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116 | G4double cameraDistance; |
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117 | if (fFieldHalfAngle == 0.) { |
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118 | cameraDistance = radius; |
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119 | } |
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120 | else { |
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121 | cameraDistance = radius / std::sin (fFieldHalfAngle) - fDolly; |
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122 | } |
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123 | return cameraDistance; |
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124 | } |
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125 | |
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126 | G4double G4ViewParameters::GetNearDistance (G4double cameraDistance, |
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127 | G4double radius) const { |
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128 | const G4double small = 1.e-6 * radius; |
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129 | G4double nearDistance = cameraDistance - radius; |
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130 | if (nearDistance < small) nearDistance = small; |
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131 | return nearDistance; |
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132 | } |
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133 | |
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134 | G4double G4ViewParameters::GetFarDistance (G4double cameraDistance, |
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135 | G4double nearDistance, |
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136 | G4double radius) const { |
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137 | G4double farDistance = cameraDistance + radius; |
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138 | if (farDistance < nearDistance) farDistance = nearDistance; |
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139 | return farDistance; |
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140 | } |
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141 | |
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142 | G4double G4ViewParameters::GetFrontHalfHeight (G4double nearDistance, |
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143 | G4double radius) const { |
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144 | G4double frontHalfHeight; |
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145 | if (fFieldHalfAngle == 0.) { |
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146 | frontHalfHeight = radius / fZoomFactor; |
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147 | } |
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148 | else { |
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149 | frontHalfHeight = nearDistance * std::tan (fFieldHalfAngle) / fZoomFactor; |
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150 | } |
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151 | return frontHalfHeight; |
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152 | } |
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153 | // Useful quantities - end snippet. |
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154 | |
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155 | void G4ViewParameters::AddCutawayPlane (const G4Plane3D& cutawayPlane) { |
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156 | if (fCutawayPlanes.size () < 3 ) { |
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157 | fCutawayPlanes.push_back (cutawayPlane); |
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158 | } |
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159 | else { |
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160 | G4cout << |
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161 | "ERROR: G4ViewParameters::AddCutawayPlane:" |
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162 | "\n A maximum of 3 cutaway planes supported." << G4endl; |
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163 | } |
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164 | } |
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165 | |
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166 | void G4ViewParameters::ChangeCutawayPlane |
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167 | (size_t index, const G4Plane3D& cutawayPlane) { |
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168 | if (index >= fCutawayPlanes.size()) { |
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169 | G4cout << |
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170 | "ERROR: G4ViewParameters::ChangeCutawayPlane:" |
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171 | "\n Plane " << index << " does not exist." << G4endl; |
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172 | } else { |
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173 | fCutawayPlanes[index] = cutawayPlane; |
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174 | } |
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175 | } |
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176 | |
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177 | void G4ViewParameters::SetVisibleDensity (G4double visibleDensity) { |
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178 | const G4double reasonableMaximum = 10.0 * g / cm3; |
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179 | if (visibleDensity < 0) { |
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180 | G4cout << "G4ViewParameters::SetVisibleDensity: attempt to set negative " |
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181 | "density - ignored." << G4endl; |
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182 | } |
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183 | else { |
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184 | if (visibleDensity > reasonableMaximum) { |
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185 | G4cout << "G4ViewParameters::SetVisibleDensity: density > " |
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186 | << G4BestUnit (reasonableMaximum, "Volumic Mass") |
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187 | << " - did you mean this?" |
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188 | << G4endl; |
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189 | } |
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190 | fVisibleDensity = visibleDensity; |
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191 | } |
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192 | } |
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193 | |
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194 | G4int G4ViewParameters::SetNoOfSides (G4int nSides) { |
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195 | const G4int nSidesMin = 12; |
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196 | if (nSides < nSidesMin) { |
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197 | nSides = nSidesMin; |
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198 | G4cout << "G4ViewParameters::SetNoOfSides: attempt to set the" |
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199 | "\nnumber of sides per circle < " << nSidesMin |
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200 | << "; forced to " << nSides << G4endl; |
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201 | } |
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202 | fNoOfSides = nSides; |
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203 | return fNoOfSides; |
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204 | } |
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205 | |
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206 | void G4ViewParameters::SetViewAndLights |
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207 | (const G4Vector3D& viewpointDirection) { |
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208 | |
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209 | fViewpointDirection = viewpointDirection; |
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210 | |
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211 | // If the requested viewpoint direction is parallel to the up |
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212 | // vector, the orientation of the view is undefined... |
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213 | if (fViewpointDirection.unit() * fUpVector.unit() > .9999) { |
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214 | G4cout << |
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215 | "WARNING: Viewpoint direction is very close to the up vector direction." |
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216 | "\n Consider setting the up vector to obtain definable behaviour." |
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217 | << G4endl; |
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218 | } |
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219 | |
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220 | // Move the lights too if requested... |
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221 | if (fLightsMoveWithCamera) { |
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222 | G4Vector3D zprime = fViewpointDirection.unit (); |
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223 | G4Vector3D xprime = (fUpVector.cross (zprime)).unit (); |
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224 | G4Vector3D yprime = zprime.cross (xprime); |
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225 | fActualLightpointDirection = |
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226 | fRelativeLightpointDirection.x () * xprime + |
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227 | fRelativeLightpointDirection.y () * yprime + |
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228 | fRelativeLightpointDirection.x () * zprime; |
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229 | } else { |
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230 | fActualLightpointDirection = fRelativeLightpointDirection; |
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231 | } |
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232 | } |
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233 | |
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234 | void G4ViewParameters::SetLightpointDirection |
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235 | (const G4Vector3D& lightpointDirection) { |
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236 | fRelativeLightpointDirection = lightpointDirection; |
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237 | SetViewAndLights (fViewpointDirection); |
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238 | } |
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239 | |
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240 | void G4ViewParameters::SetPan (G4double right, G4double up) { |
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241 | G4Vector3D unitRight = (fUpVector.cross (fViewpointDirection)).unit(); |
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242 | G4Vector3D unitUp = (fViewpointDirection.cross (unitRight)).unit(); |
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243 | fCurrentTargetPoint = right * unitRight + up * unitUp; |
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244 | } |
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245 | |
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246 | void G4ViewParameters::IncrementPan (G4double right, G4double up) { |
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247 | IncrementPan (right,up, 0); |
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248 | } |
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249 | |
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250 | void G4ViewParameters::IncrementPan (G4double right, G4double up, G4double distance) { |
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251 | G4Vector3D unitRight = (fUpVector.cross (fViewpointDirection)).unit(); |
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252 | G4Vector3D unitUp = (fViewpointDirection.cross (unitRight)).unit(); |
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253 | fCurrentTargetPoint += right * unitRight + up * unitUp + distance * fViewpointDirection; |
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254 | } |
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255 | |
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256 | void G4ViewParameters::PrintDifferences (const G4ViewParameters& v) const { |
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257 | |
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258 | // Put performance-sensitive parameters first. |
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259 | if ( |
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260 | // This first to optimise spin, etc. |
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261 | (fViewpointDirection != v.fViewpointDirection) || |
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262 | |
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263 | // No particular order from here on. |
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264 | (fDrawingStyle != v.fDrawingStyle) || |
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265 | (fAuxEdgeVisible != v.fAuxEdgeVisible) || |
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266 | (fRepStyle != v.fRepStyle) || |
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267 | (fCulling != v.fCulling) || |
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268 | (fCullInvisible != v.fCullInvisible) || |
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269 | (fDensityCulling != v.fDensityCulling) || |
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270 | (fVisibleDensity != v.fVisibleDensity) || |
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271 | (fCullCovered != v.fCullCovered) || |
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272 | (fSection != v.fSection) || |
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273 | (fNoOfSides != v.fNoOfSides) || |
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274 | (fUpVector != v.fUpVector) || |
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275 | (fFieldHalfAngle != v.fFieldHalfAngle) || |
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276 | (fZoomFactor != v.fZoomFactor) || |
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277 | (fScaleFactor != v.fScaleFactor) || |
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278 | (fCurrentTargetPoint != v.fCurrentTargetPoint) || |
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279 | (fDolly != v.fDolly) || |
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280 | (fRelativeLightpointDirection != v.fRelativeLightpointDirection) || |
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281 | (fLightsMoveWithCamera != v.fLightsMoveWithCamera) || |
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282 | (fDefaultVisAttributes != v.fDefaultVisAttributes) || |
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283 | (fDefaultTextVisAttributes != v.fDefaultTextVisAttributes) || |
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284 | (fDefaultMarker != v.fDefaultMarker) || |
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285 | (fGlobalMarkerScale != v.fGlobalMarkerScale) || |
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286 | (fGlobalLineWidthScale != v.fGlobalLineWidthScale) || |
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287 | (fMarkerNotHidden != v.fMarkerNotHidden) || |
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288 | (fWindowSizeHintX != v.fWindowSizeHintX) || |
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289 | (fWindowSizeHintY != v.fWindowSizeHintY) || |
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290 | (fXGeometryString != v.fXGeometryString) || |
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291 | (fAutoRefresh != v.fAutoRefresh) || |
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292 | (fBackgroundColour != v.fBackgroundColour) || |
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293 | (fPicking != v.fPicking) |
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294 | ) |
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295 | G4cout << "Difference in 1st batch." << G4endl; |
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296 | |
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297 | if (fSection) { |
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298 | if (!(fSectionPlane == v.fSectionPlane)) |
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299 | G4cout << "Difference in section planes batch." << G4endl; |
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300 | } |
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301 | |
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302 | if (IsCutaway()) { |
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303 | if (fCutawayPlanes.size () != v.fCutawayPlanes.size ()) { |
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304 | G4cout << "Difference in no of cutaway planes." << G4endl; |
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305 | } |
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306 | else { |
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307 | for (size_t i = 0; i < fCutawayPlanes.size (); i++) { |
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308 | if (!(fCutawayPlanes[i] == v.fCutawayPlanes[i])) |
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309 | G4cout << "Difference in cutaway plane no. " << i << G4endl; |
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310 | } |
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311 | } |
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312 | } |
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313 | |
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314 | if (IsExplode()) { |
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315 | if (fExplodeFactor != v.fExplodeFactor) |
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316 | G4cout << "Difference in explode factor." << G4endl; |
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317 | if (fExplodeCentre != v.fExplodeCentre) |
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318 | G4cout << "Difference in explode centre." << G4endl; |
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319 | } |
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320 | } |
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321 | |
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322 | std::ostream& operator << (std::ostream& os, |
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323 | const G4ViewParameters::DrawingStyle& style) { |
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324 | switch (style) { |
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325 | case G4ViewParameters::wireframe: |
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326 | os << "wireframe"; break; |
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327 | case G4ViewParameters::hlr: |
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328 | os << "hlr - hidden lines removed"; break; |
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329 | case G4ViewParameters::hsr: |
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330 | os << "hsr - hidden surfaces removed"; break; |
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331 | case G4ViewParameters::hlhsr: |
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332 | os << "hlhsr - hidden line, hidden surface removed"; break; |
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333 | default: os << "unrecognised"; break; |
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334 | } |
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335 | return os; |
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336 | } |
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337 | |
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338 | std::ostream& operator << (std::ostream& os, const G4ViewParameters& v) { |
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339 | os << "View parameters and options:"; |
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340 | |
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341 | os << "\n Drawing style: " << v.fDrawingStyle; |
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342 | |
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343 | os << "\n Auxiliary edges: "; |
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344 | if (!v.fAuxEdgeVisible) os << "in"; |
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345 | os << "visible"; |
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346 | |
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347 | os << "\n Representation style: "; |
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348 | switch (v.fRepStyle) { |
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349 | case G4ViewParameters::polyhedron: |
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350 | os << "polyhedron"; break; |
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351 | case G4ViewParameters::nurbs: |
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352 | os << "nurbs"; break; |
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353 | default: os << "unrecognised"; break; |
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354 | } |
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355 | |
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356 | os << "\n Culling: "; |
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357 | if (v.fCulling) os << "on"; |
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358 | else os << "off"; |
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359 | |
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360 | os << "\n Culling invisible objects: "; |
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361 | if (v.fCullInvisible) os << "on"; |
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362 | else os << "off"; |
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363 | |
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364 | os << "\n Density culling: "; |
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365 | if (v.fDensityCulling) { |
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366 | os << "on - invisible if density less than " |
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367 | << v.fVisibleDensity / (1. * g / cm3) << " g cm^-3"; |
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368 | } |
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369 | else os << "off"; |
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370 | |
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371 | os << "\n Culling daughters covered by opaque mothers: "; |
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372 | if (v.fCullCovered) os << "on"; |
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373 | else os << "off"; |
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374 | |
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375 | os << "\n Section flag: "; |
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376 | if (v.fSection) os << "true, section/cut plane: " << v.fSectionPlane; |
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377 | else os << "false"; |
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378 | |
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379 | if (v.IsCutaway()) { |
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380 | os << "\n Cutaway planes: "; |
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381 | for (size_t i = 0; i < v.fCutawayPlanes.size (); i++) { |
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382 | os << ' ' << v.fCutawayPlanes[i]; |
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383 | } |
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384 | } |
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385 | else { |
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386 | os << "\n No cutaway planes"; |
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387 | } |
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388 | |
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389 | os << "\n Explode factor: " << v.fExplodeFactor |
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390 | << " about centre: " << v.fExplodeCentre; |
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391 | |
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392 | os << "\n No. of sides used in circle polygon approximation: " |
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393 | << v.fNoOfSides; |
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394 | |
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395 | os << "\n Viewpoint direction: " << v.fViewpointDirection; |
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396 | |
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397 | os << "\n Up vector: " << v.fUpVector; |
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398 | |
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399 | os << "\n Field half angle: " << v.fFieldHalfAngle; |
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400 | |
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401 | os << "\n Zoom factor: " << v.fZoomFactor; |
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402 | |
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403 | os << "\n Scale factor: " << v.fScaleFactor; |
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404 | |
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405 | os << "\n Current target point: " << v.fCurrentTargetPoint; |
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406 | |
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407 | os << "\n Dolly distance: " << v.fDolly; |
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408 | |
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409 | os << "\n Light "; |
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410 | if (v.fLightsMoveWithCamera) os << "moves"; |
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411 | else os << "does not move"; |
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412 | os << " with camera"; |
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413 | |
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414 | os << "\n Relative lightpoint direction: " |
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415 | << v.fRelativeLightpointDirection; |
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416 | |
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417 | os << "\n Actual lightpoint direction: " |
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418 | << v.fActualLightpointDirection; |
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419 | |
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420 | os << "\n Derived parameters for standard view of object of unit radius:"; |
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421 | G4ViewParameters tempVP = v; |
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422 | tempVP.fDolly = 0.; |
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423 | tempVP.fZoomFactor = 1.; |
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424 | const G4double radius = 1.; |
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425 | const G4double cameraDistance = tempVP.GetCameraDistance (radius); |
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426 | const G4double nearDistance = |
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427 | tempVP.GetNearDistance (cameraDistance, radius); |
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428 | const G4double farDistance = |
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429 | tempVP.GetFarDistance (cameraDistance, nearDistance, radius); |
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430 | const G4double right = tempVP.GetFrontHalfHeight (nearDistance, radius); |
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431 | os << "\n Camera distance: " << cameraDistance; |
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432 | os << "\n Near distance: " << nearDistance; |
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433 | os << "\n Far distance: " << farDistance; |
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434 | os << "\n Front half height: " << right; |
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435 | |
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436 | os << "\n Default VisAttributes:\n " << v.fDefaultVisAttributes; |
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437 | |
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438 | os << "\n Default TextVisAttributes:\n " << v.fDefaultTextVisAttributes; |
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439 | |
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440 | os << "\n Default marker: " << v.fDefaultMarker; |
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441 | |
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442 | os << "\n Global marker scale: " << v.fGlobalMarkerScale; |
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443 | |
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444 | os << "\n Global lineWidth scale: " << v.fGlobalLineWidthScale; |
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445 | |
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446 | os << "\n Marker "; |
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447 | if (v.fMarkerNotHidden) os << "not "; |
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448 | os << "hidden by surfaces."; |
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449 | |
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450 | os << "\n Window size hint: " |
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451 | << v.fWindowSizeHintX << 'x'<< v.fWindowSizeHintX; |
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452 | |
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453 | os << "\n X geometry string: " << v.fXGeometryString; |
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454 | |
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455 | os << "\n Auto refresh: "; |
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456 | if (v.fAutoRefresh) os << "true"; |
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457 | else os << "false"; |
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458 | |
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459 | os << "\n Background colour: " << v.fBackgroundColour; |
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460 | |
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461 | os << "\n Picking requested: "; |
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462 | if (v.fPicking) os << "true"; |
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463 | else os << "false"; |
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464 | |
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465 | return os; |
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466 | } |
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467 | |
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468 | G4bool G4ViewParameters::operator != (const G4ViewParameters& v) const { |
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469 | |
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470 | // Put performance-sensitive parameters first. |
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471 | if ( |
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472 | // This first to optimise spin, etc. |
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473 | (fViewpointDirection != v.fViewpointDirection) || |
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474 | |
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475 | // No particular order from here on. |
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476 | (fDrawingStyle != v.fDrawingStyle) || |
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477 | (fAuxEdgeVisible != v.fAuxEdgeVisible) || |
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478 | (fRepStyle != v.fRepStyle) || |
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479 | (fCulling != v.fCulling) || |
---|
480 | (fCullInvisible != v.fCullInvisible) || |
---|
481 | (fDensityCulling != v.fDensityCulling) || |
---|
482 | (fCullCovered != v.fCullCovered) || |
---|
483 | (fSection != v.fSection) || |
---|
484 | (IsCutaway() != v.IsCutaway()) || |
---|
485 | (IsExplode() != v.IsExplode()) || |
---|
486 | (fNoOfSides != v.fNoOfSides) || |
---|
487 | (fUpVector != v.fUpVector) || |
---|
488 | (fFieldHalfAngle != v.fFieldHalfAngle) || |
---|
489 | (fZoomFactor != v.fZoomFactor) || |
---|
490 | (fScaleFactor != v.fScaleFactor) || |
---|
491 | (fCurrentTargetPoint != v.fCurrentTargetPoint) || |
---|
492 | (fDolly != v.fDolly) || |
---|
493 | (fRelativeLightpointDirection != v.fRelativeLightpointDirection) || |
---|
494 | (fLightsMoveWithCamera != v.fLightsMoveWithCamera) || |
---|
495 | (fDefaultVisAttributes != v.fDefaultVisAttributes) || |
---|
496 | (fDefaultTextVisAttributes != v.fDefaultTextVisAttributes) || |
---|
497 | (fDefaultMarker != v.fDefaultMarker) || |
---|
498 | (fGlobalMarkerScale != v.fGlobalMarkerScale) || |
---|
499 | (fGlobalLineWidthScale != v.fGlobalLineWidthScale) || |
---|
500 | (fMarkerNotHidden != v.fMarkerNotHidden) || |
---|
501 | (fWindowSizeHintX != v.fWindowSizeHintX) || |
---|
502 | (fWindowSizeHintY != v.fWindowSizeHintY) || |
---|
503 | (fXGeometryString != v.fXGeometryString) || |
---|
504 | (fAutoRefresh != v.fAutoRefresh) || |
---|
505 | (fBackgroundColour != v.fBackgroundColour) || |
---|
506 | (fPicking != v.fPicking) |
---|
507 | ) |
---|
508 | return true; |
---|
509 | |
---|
510 | if (fDensityCulling && |
---|
511 | (fVisibleDensity != v.fVisibleDensity)) return true; |
---|
512 | |
---|
513 | if (fSection && |
---|
514 | (!(fSectionPlane == v.fSectionPlane))) return true; |
---|
515 | |
---|
516 | if (IsCutaway()) { |
---|
517 | if (fCutawayPlanes.size () != v.fCutawayPlanes.size ()) |
---|
518 | return true; |
---|
519 | else { |
---|
520 | for (size_t i = 0; i < fCutawayPlanes.size (); i++) { |
---|
521 | if (!(fCutawayPlanes[i] == v.fCutawayPlanes[i])) return true; |
---|
522 | } |
---|
523 | } |
---|
524 | } |
---|
525 | |
---|
526 | if (IsExplode() && |
---|
527 | ((fExplodeFactor != v.fExplodeFactor) || |
---|
528 | (fExplodeCentre != v.fExplodeCentre))) return true; |
---|
529 | |
---|
530 | return false; |
---|
531 | } |
---|
532 | |
---|
533 | |
---|
534 | void G4ViewParameters::SetXGeometryString (const G4String& geomStringArg) { |
---|
535 | |
---|
536 | |
---|
537 | G4int x,y = 0; |
---|
538 | unsigned int w,h = 0; |
---|
539 | G4String geomString = geomStringArg; |
---|
540 | // Parse windowSizeHintString for backwards compatibility... |
---|
541 | const G4String delimiters("xX+-"); |
---|
542 | G4String::size_type i = geomString.find_first_of(delimiters); |
---|
543 | if (i == G4String::npos) { // Does not contain "xX+-". Assume single number |
---|
544 | std::istringstream iss(geomString); |
---|
545 | G4int size; |
---|
546 | iss >> size; |
---|
547 | if (!iss) { |
---|
548 | size = 600; |
---|
549 | G4cout << "Unrecognised windowSizeHint string: \"" |
---|
550 | << geomString |
---|
551 | << "\". Asuuming " << size << G4endl; |
---|
552 | } |
---|
553 | std::ostringstream oss; |
---|
554 | oss << size << 'x' << size; |
---|
555 | geomString = oss.str(); |
---|
556 | } |
---|
557 | |
---|
558 | fGeometryMask = ParseGeometry( geomString, &x, &y, &w, &h ); |
---|
559 | |
---|
560 | // Handle special case : |
---|
561 | if ((fGeometryMask & fYValue) == 0) |
---|
562 | { // Using default |
---|
563 | y = fWindowLocationHintY; |
---|
564 | } |
---|
565 | if ((fGeometryMask & fXValue) == 0) |
---|
566 | { // Using default |
---|
567 | x = fWindowLocationHintX; |
---|
568 | } |
---|
569 | |
---|
570 | // Check errors |
---|
571 | // if there is no Width and Height |
---|
572 | if ( ((fGeometryMask & fHeightValue) == 0 ) && |
---|
573 | ((fGeometryMask & fWidthValue) == 0 )) { |
---|
574 | h = fWindowSizeHintY; |
---|
575 | w = fWindowSizeHintX; |
---|
576 | } else if ((fGeometryMask & fHeightValue) == 0 ) { |
---|
577 | |
---|
578 | // if there is only Width. Special case to be backward compatible |
---|
579 | // We set Width and Height the same to obtain a square windows. |
---|
580 | |
---|
581 | G4cout << "Unrecognised geometry string \"" |
---|
582 | << geomString |
---|
583 | << "\". No Height found. Using Width value instead" |
---|
584 | << G4endl; |
---|
585 | h = w; |
---|
586 | } |
---|
587 | if ( ((fGeometryMask & fXValue) == 0 ) || |
---|
588 | ((fGeometryMask & fYValue) == 0 )) { |
---|
589 | //Using defaults |
---|
590 | x = fWindowLocationHintX; |
---|
591 | y = fWindowLocationHintY; |
---|
592 | } |
---|
593 | // Set the string |
---|
594 | fXGeometryString = geomString; |
---|
595 | |
---|
596 | // Set values |
---|
597 | fWindowSizeHintX = w; |
---|
598 | fWindowSizeHintY = h; |
---|
599 | fWindowLocationHintX = x; |
---|
600 | fWindowLocationHintY = y; |
---|
601 | |
---|
602 | if ( ((fGeometryMask & fXValue)) && |
---|
603 | ((fGeometryMask & fYValue))) { |
---|
604 | |
---|
605 | if ( (fGeometryMask & fXNegative) ) { |
---|
606 | fWindowLocationHintXNegative = true; |
---|
607 | } else { |
---|
608 | fWindowLocationHintXNegative = false; |
---|
609 | } |
---|
610 | if ( (fGeometryMask & fYNegative) ) { |
---|
611 | fWindowLocationHintYNegative = true; |
---|
612 | } else { |
---|
613 | fWindowLocationHintYNegative = false; |
---|
614 | } |
---|
615 | } |
---|
616 | } |
---|
617 | |
---|
618 | G4int G4ViewParameters::GetWindowAbsoluteLocationHintX (G4int sizeX ) const { |
---|
619 | if ( fWindowLocationHintXNegative ) { |
---|
620 | return sizeX + fWindowLocationHintX - fWindowSizeHintX; |
---|
621 | } |
---|
622 | return fWindowLocationHintX; |
---|
623 | } |
---|
624 | |
---|
625 | G4int G4ViewParameters::GetWindowAbsoluteLocationHintY (G4int sizeY ) const { |
---|
626 | if ( fWindowLocationHintYNegative ) { |
---|
627 | return sizeY + fWindowLocationHintY - fWindowSizeHintY; |
---|
628 | } |
---|
629 | return fWindowLocationHintY; |
---|
630 | } |
---|
631 | |
---|
632 | /* Keep from : |
---|
633 | * ftp://ftp.trolltech.com/qt/source/qt-embedded-free-3.0.6.tar.gz/qt-embedded-free-3.0.6/src/kernel/qapplication_qws.cpp |
---|
634 | * |
---|
635 | * ParseGeometry parses strings of the form |
---|
636 | * "=<width>x<height>{+-}<xoffset>{+-}<yoffset>", where |
---|
637 | * width, height, xoffset, and yoffset are unsigned integers. |
---|
638 | * Example: "=80x24+300-49" |
---|
639 | * The equal sign is optional. |
---|
640 | * It returns a bitmask that indicates which of the four values |
---|
641 | * were actually found in the string. For each value found, |
---|
642 | * the corresponding argument is updated; for each value |
---|
643 | * not found, the corresponding argument is left unchanged. |
---|
644 | */ |
---|
645 | |
---|
646 | int G4ViewParameters::ParseGeometry ( |
---|
647 | const char *string, |
---|
648 | G4int *x, |
---|
649 | G4int *y, |
---|
650 | unsigned int *width, |
---|
651 | unsigned int *height) |
---|
652 | { |
---|
653 | |
---|
654 | G4int mask = fNoValue; |
---|
655 | register char *strind; |
---|
656 | unsigned int tempWidth = 0; |
---|
657 | unsigned int tempHeight = 0; |
---|
658 | G4int tempX = 0; |
---|
659 | G4int tempY = 0; |
---|
660 | char *nextCharacter; |
---|
661 | if ( (string == NULL) || (*string == '\0')) { |
---|
662 | return(mask); |
---|
663 | } |
---|
664 | if (*string == '=') |
---|
665 | string++; /* ignore possible '=' at beg of geometry spec */ |
---|
666 | strind = (char *)string; |
---|
667 | if (*strind != '+' && *strind != '-' && *strind != 'x') { |
---|
668 | tempWidth = ReadInteger(strind, &nextCharacter); |
---|
669 | if (strind == nextCharacter) |
---|
670 | return (0); |
---|
671 | strind = nextCharacter; |
---|
672 | mask |= fWidthValue; |
---|
673 | } |
---|
674 | if (*strind == 'x' || *strind == 'X') { |
---|
675 | strind++; |
---|
676 | tempHeight = ReadInteger(strind, &nextCharacter); |
---|
677 | if (strind == nextCharacter) |
---|
678 | return (0); |
---|
679 | strind = nextCharacter; |
---|
680 | mask |= fHeightValue; |
---|
681 | } |
---|
682 | |
---|
683 | if ((*strind == '+') || (*strind == '-')) { |
---|
684 | if (*strind == '-') { |
---|
685 | strind++; |
---|
686 | tempX = -ReadInteger(strind, &nextCharacter); |
---|
687 | if (strind == nextCharacter) |
---|
688 | return (0); |
---|
689 | strind = nextCharacter; |
---|
690 | mask |= fXNegative; |
---|
691 | |
---|
692 | } |
---|
693 | else |
---|
694 | { strind++; |
---|
695 | tempX = ReadInteger(strind, &nextCharacter); |
---|
696 | if (strind == nextCharacter) |
---|
697 | return(0); |
---|
698 | strind = nextCharacter; |
---|
699 | } |
---|
700 | mask |= fXValue; |
---|
701 | if ((*strind == '+') || (*strind == '-')) { |
---|
702 | if (*strind == '-') { |
---|
703 | strind++; |
---|
704 | tempY = -ReadInteger(strind, &nextCharacter); |
---|
705 | if (strind == nextCharacter) |
---|
706 | return(0); |
---|
707 | strind = nextCharacter; |
---|
708 | mask |= fYNegative; |
---|
709 | } |
---|
710 | else |
---|
711 | { |
---|
712 | strind++; |
---|
713 | tempY = ReadInteger(strind, &nextCharacter); |
---|
714 | if (strind == nextCharacter) |
---|
715 | return(0); |
---|
716 | strind = nextCharacter; |
---|
717 | } |
---|
718 | mask |= fYValue; |
---|
719 | } |
---|
720 | } |
---|
721 | /* If strind isn't at the end of the string the it's an invalid |
---|
722 | geometry specification. */ |
---|
723 | if (*strind != '\0') return (0); |
---|
724 | if (mask & fXValue) |
---|
725 | *x = tempX; |
---|
726 | if (mask & fYValue) |
---|
727 | *y = tempY; |
---|
728 | if (mask & fWidthValue) |
---|
729 | *width = tempWidth; |
---|
730 | if (mask & fHeightValue) |
---|
731 | *height = tempHeight; |
---|
732 | return (mask); |
---|
733 | } |
---|
734 | |
---|
735 | /* Keep from : |
---|
736 | * ftp://ftp.trolltech.com/qt/source/qt-embedded-free-3.0.6.tar.gz/qt-embedded-free-3.0.6/src/kernel/qapplication_qws.cpp |
---|
737 | * |
---|
738 | */ |
---|
739 | G4int G4ViewParameters::ReadInteger(char *string, char **NextString) |
---|
740 | { |
---|
741 | register G4int Result = 0; |
---|
742 | G4int Sign = 1; |
---|
743 | |
---|
744 | if (*string == '+') |
---|
745 | string++; |
---|
746 | else if (*string == '-') |
---|
747 | { |
---|
748 | string++; |
---|
749 | Sign = -1; |
---|
750 | } |
---|
751 | for (; (*string >= '0') && (*string <= '9'); string++) |
---|
752 | { |
---|
753 | Result = (Result * 10) + (*string - '0'); |
---|
754 | } |
---|
755 | *NextString = string; |
---|
756 | if (Sign >= 0) |
---|
757 | return (Result); |
---|
758 | else |
---|
759 | return (-Result); |
---|
760 | } |
---|
761 | |
---|