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1 /* |
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2 * LDForge: LDraw parts authoring CAD |
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3 * Copyright (C) 2013, 2014 Santeri Piippo |
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4 * |
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5 * This program is free software: you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation, either version 3 of the License, or |
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8 * (at your option) any later version. |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU General Public License |
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 */ |
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18 |
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19 #pragma once |
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20 #include <QGLWidget> |
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21 #include "main.h" |
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22 #include "macros.h" |
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23 #include "ldObject.h" |
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24 #include "ldDocument.h" |
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25 #include "glShared.h" |
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26 |
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27 class GLCompiler; |
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28 class MessageManager; |
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29 class QDialogButtonBox; |
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30 class RadioGroup; |
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31 class QDoubleSpinBox; |
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32 class QSpinBox; |
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33 class QLineEdit; |
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34 class QTimer; |
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35 |
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36 enum EditMode |
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37 { |
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38 ESelectMode, |
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39 EDrawMode, |
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40 ECircleMode, |
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41 }; |
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42 |
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43 // Meta for overlays |
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44 struct LDGLOverlay |
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45 { |
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46 Vertex v0, |
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47 v1; |
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48 int ox, |
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49 oy; |
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50 double lw, |
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51 lh; |
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52 QString fname; |
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53 QImage* img; |
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54 bool invalid; |
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55 }; |
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56 |
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57 struct LDFixedCameraInfo |
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58 { |
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59 const char glrotate[3]; |
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60 const Axis axisX, |
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61 axisY; |
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62 const bool negX, |
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63 negY; |
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64 }; |
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65 |
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66 // ============================================================================= |
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67 // Document-specific data |
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68 // |
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69 struct LDGLData |
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70 { |
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71 double rotX, |
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72 rotY, |
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73 rotZ, |
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74 panX[7], |
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75 panY[7], |
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76 zoom[7]; |
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77 double depthValues[6]; |
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78 LDGLOverlay overlays[6]; |
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79 bool init; |
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80 |
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81 LDGLData() |
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82 { |
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83 for (int i = 0; i < 7; ++i) |
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84 { |
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85 if (i < 6) |
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86 { |
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87 overlays[i].img = null; |
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88 overlays[i].invalid = false; |
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89 depthValues[i] = 0.0f; |
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90 } |
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91 |
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92 zoom[i] = 30.0; |
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93 panX[i] = 0.0; |
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94 panY[i] = 0.0; |
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95 } |
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96 |
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97 rotX = 0; |
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98 rotY = 0; |
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99 rotZ = 0; |
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100 init = false; |
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101 } |
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102 }; |
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103 |
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104 // ============================================================================= |
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105 // The main renderer object, draws the brick on the screen, manages the camera |
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106 // and selection picking. The instance of GLRenderer is accessible as |
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107 // g_win->R() |
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108 // |
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109 class GLRenderer : public QGLWidget |
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110 { |
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111 public: |
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112 enum EFixedCamera |
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113 { |
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114 ETopCamera, |
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115 EFrontCamera, |
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116 ELeftCamera, |
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117 EBottomCamera, |
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118 EBackCamera, |
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119 ERightCamera, |
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120 EFreeCamera |
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121 }; |
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122 |
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123 enum ListType |
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124 { |
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125 NormalList, |
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126 PickList, |
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127 BFCFrontList, |
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128 BFCBackList |
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129 }; |
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130 |
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131 // CameraIcon::img is a heap-allocated QPixmap because otherwise it gets |
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132 // initialized before program gets to main() and constructs a QApplication |
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133 // and Qt doesn't like that. |
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134 struct CameraIcon |
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135 { |
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136 QPixmap* img; |
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137 QRect srcRect, |
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138 destRect, |
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139 selRect; |
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140 EFixedCamera cam; |
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141 }; |
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142 |
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143 Q_OBJECT |
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144 PROPERTY (public, bool, isDrawOnly, setDrawOnly, STOCK_WRITE) |
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145 PROPERTY (public, MessageManager*, messageLog, setMessageLog, STOCK_WRITE) |
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146 PROPERTY (private, bool, isPicking, setPicking, STOCK_WRITE) |
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147 PROPERTY (public, LDDocument*, document, setDocument, CUSTOM_WRITE) |
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148 PROPERTY (public, EditMode, editMode, setEditMode, CUSTOM_WRITE) |
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149 PROPERTY (private, GLCompiler*, compiler, setCompiler, STOCK_WRITE) |
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150 |
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151 public: |
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152 GLRenderer (QWidget* parent = null); |
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153 ~GLRenderer(); |
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154 |
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155 inline EFixedCamera camera() const |
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156 { |
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157 return m_camera; |
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158 } |
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159 |
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160 void clearOverlay(); |
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161 void compileObject (LDObject* obj); |
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162 void drawGLScene(); |
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163 void endDraw (bool accept); |
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164 void forgetObject (LDObject* obj); |
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165 Axis getCameraAxis (bool y, EFixedCamera camid = (EFixedCamera) - 1); |
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166 const char* getCameraName() const; |
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167 double getDepthValue() const; |
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168 LDGLOverlay& getOverlay (int newcam); |
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169 uchar* getScreencap (int& w, int& h); |
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170 void hardRefresh(); |
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171 void initGLData(); |
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172 void initOverlaysFromObjects(); |
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173 void refresh(); |
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174 void resetAngles(); |
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175 void resetAllAngles(); |
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176 void setBackground(); |
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177 void setCamera (const EFixedCamera cam); |
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178 void setDepthValue (double depth); |
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179 bool setupOverlay (EFixedCamera cam, QString file, int x, int y, int w, int h); |
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180 void updateOverlayObjects(); |
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181 void zoomNotch (bool inward); |
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182 void zoomToFit(); |
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183 void zoomAllToFit(); |
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184 |
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185 static void deleteLists (LDObject* obj); |
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186 static QColor getMainColor(); |
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187 |
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188 protected: |
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189 void contextMenuEvent (QContextMenuEvent* ev); |
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190 void initializeGL(); |
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191 void keyPressEvent (QKeyEvent* ev); |
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192 void keyReleaseEvent (QKeyEvent* ev); |
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193 void leaveEvent (QEvent* ev); |
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194 void mouseDoubleClickEvent (QMouseEvent* ev); |
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195 void mousePressEvent (QMouseEvent* ev); |
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196 void mouseMoveEvent (QMouseEvent* ev); |
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197 void mouseReleaseEvent (QMouseEvent* ev); |
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198 void paintEvent (QPaintEvent* ev); |
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199 void resizeGL (int w, int h); |
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200 void wheelEvent (QWheelEvent* ev); |
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201 |
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202 private: |
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203 CameraIcon m_cameraIcons[7]; |
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204 QTimer* m_toolTipTimer; |
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205 Qt::MouseButtons m_lastButtons; |
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206 Qt::KeyboardModifiers m_keymods; |
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207 Vertex m_hoverpos; |
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208 double m_virtWidth, |
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209 m_virtHeight; |
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210 bool m_darkbg, |
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211 m_rangepick, |
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212 m_addpick, |
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213 m_drawToolTip, |
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214 m_screencap, |
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215 m_panning; |
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216 QPoint m_pos, |
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217 m_globalpos, |
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218 m_rangeStart; |
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219 QPen m_thickBorderPen, |
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220 m_thinBorderPen; |
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221 EFixedCamera m_camera, |
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222 m_toolTipCamera; |
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223 GLuint m_axeslist; |
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224 int m_width, |
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225 m_height, |
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226 m_totalmove; |
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227 QList<Vertex> m_drawedVerts; |
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228 bool m_rectdraw; |
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229 Vertex m_rectverts[4]; |
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230 QColor m_bgcolor; |
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231 QList<Vertex> m_knownVerts; |
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232 |
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233 void addDrawnVertex (Vertex m_hoverpos); |
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234 LDOverlay* findOverlayObject (EFixedCamera cam); |
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235 void updateRectVerts(); |
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236 void getRelativeAxes (Axis& relX, Axis& relY) const; |
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237 Matrix getCircleDrawMatrix (double scale); |
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238 void drawBlip (QPainter& paint, QPoint pos) const; |
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239 |
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240 // Compute geometry for camera icons |
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241 void calcCameraIcons(); |
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242 |
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243 // How large is the circle we're drawing right now? |
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244 double getCircleDrawDist (int pos) const; |
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245 |
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246 // Clamps an angle to [0, 360] |
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247 void clampAngle (double& angle) const; |
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248 |
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249 // Compile one of the lists of an object |
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250 void compileList (LDObject* obj, const ListType list); |
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251 |
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252 // Sub-routine for object compiling |
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253 void compileSubObject (LDObject* obj, const GLenum gltype); |
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254 |
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255 // Compile a single vertex to a list |
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256 void compileVertex (const Vertex& vrt); |
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257 |
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258 // Convert a 2D point to a 3D point |
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259 Vertex coordconv2_3 (const QPoint& pos2d, bool snap) const; |
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260 |
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261 // Draw a VBO array |
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262 void drawVBOs (EVBOSurface surface, EVBOComplement colors, GLenum type); |
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263 |
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264 // Determine which color to draw text with |
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265 QColor getTextPen() const; |
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266 |
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267 // Convert a 3D point to a 2D point |
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268 QPoint coordconv3_2 (const Vertex& pos3d) const; |
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269 |
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270 // Perform object selection |
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271 void pick (int mouseX, int mouseY); |
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272 |
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273 // Set the color to an object list |
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274 void setObjectColor (LDObject* obj, const ListType list); |
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275 |
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276 LDGLData& currentDocumentData() const |
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277 { |
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278 return *document()->getGLData(); |
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279 } |
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280 |
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281 // Get a rotation value |
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282 inline double& rot (Axis ax) |
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283 { |
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284 return |
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285 (ax == X) ? currentDocumentData().rotX : |
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286 (ax == Y) ? currentDocumentData().rotY : |
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287 currentDocumentData().rotZ; |
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288 } |
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289 |
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290 // Get a panning value |
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291 inline double& pan (Axis ax) |
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292 { |
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293 return (ax == X) ? currentDocumentData().panX[camera()] : |
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294 currentDocumentData().panY[camera()]; |
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295 } |
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296 |
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297 // Same except const (can be used in const methods) |
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298 inline const double& pan (Axis ax) const |
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299 { |
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300 return (ax == X) ? currentDocumentData().panX[camera()] : |
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301 currentDocumentData().panY[camera()]; |
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302 } |
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303 |
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304 // Get the zoom value |
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305 inline double& zoom() |
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306 { |
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307 return currentDocumentData().zoom[camera()]; |
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308 } |
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309 |
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310 template<typename... Args> |
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311 inline QString format (QString fmtstr, Args... args) |
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312 { |
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313 return ::format (fmtstr, args...); |
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314 } |
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315 |
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316 private slots: |
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317 void slot_toolTipTimer(); |
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318 void initializeAxes(); |
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319 }; |
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320 |
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321 // Alias for short namespaces |
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322 typedef GLRenderer GL; |
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323 |
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324 static const GLRenderer::ListType g_glListTypes[] = |
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325 { |
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326 GL::NormalList, |
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327 GL::PickList, |
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328 GL::BFCFrontList, |
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329 GL::BFCBackList, |
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330 }; |
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331 |
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332 extern const GL::EFixedCamera g_Cameras[7]; |
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333 extern const char* g_CameraNames[7]; |