comparison: src/gldraw.h
src/gldraw.h
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| 674:3d8ab0f89102 | 675:450827da2376 |
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| 1 /* | |
| 2 * LDForge: LDraw parts authoring CAD | |
| 3 * Copyright (C) 2013, 2014 Santeri Piippo | |
| 4 * | |
| 5 * This program is free software: you can redistribute it and/or modify | |
| 6 * it under the terms of the GNU General Public License as published by | |
| 7 * the Free Software Foundation, either version 3 of the License, or | |
| 8 * (at your option) any later version. | |
| 9 * | |
| 10 * This program is distributed in the hope that it will be useful, | |
| 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 * GNU General Public License for more details. | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License | |
| 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 */ | |
| 18 | |
| 19 #ifndef LDFORGE_GLDRAW_H | |
| 20 #define LDFORGE_GLDRAW_H | |
| 21 | |
| 22 #include <QGLWidget> | |
| 23 #include "main.h" | |
| 24 #include "ldtypes.h" | |
| 25 #include "document.h" | |
| 26 #include "GLShared.h" | |
| 27 | |
| 28 class MessageManager; | |
| 29 class QDialogButtonBox; | |
| 30 class RadioGroup; | |
| 31 class QDoubleSpinBox; | |
| 32 class QSpinBox; | |
| 33 class QLineEdit; | |
| 34 class QTimer; | |
| 35 | |
| 36 enum EditMode | |
| 37 { | |
| 38 ESelectMode, | |
| 39 EDrawMode, | |
| 40 ECircleMode, | |
| 41 }; | |
| 42 | |
| 43 // Meta for overlays | |
| 44 struct LDGLOverlay | |
| 45 { | |
| 46 Vertex v0, | |
| 47 v1; | |
| 48 int ox, | |
| 49 oy; | |
| 50 double lw, | |
| 51 lh; | |
| 52 QString fname; | |
| 53 QImage* img; | |
| 54 }; | |
| 55 | |
| 56 struct LDFixedCameraInfo | |
| 57 { | |
| 58 const char glrotate[3]; | |
| 59 const Axis axisX, | |
| 60 axisY; | |
| 61 const bool negX, | |
| 62 negY; | |
| 63 }; | |
| 64 | |
| 65 // ============================================================================= | |
| 66 // Document-specific data | |
| 67 // | |
| 68 struct LDGLData | |
| 69 { | |
| 70 double rotX, | |
| 71 rotY, | |
| 72 rotZ, | |
| 73 panX[7], | |
| 74 panY[7], | |
| 75 zoom[7]; | |
| 76 double depthValues[6]; | |
| 77 LDGLOverlay overlays[6]; | |
| 78 bool init; | |
| 79 | |
| 80 LDGLData() | |
| 81 { | |
| 82 for (int i = 0; i < 6; ++i) | |
| 83 { | |
| 84 overlays[i].img = null; | |
| 85 depthValues[i] = 0.0f; | |
| 86 } | |
| 87 | |
| 88 init = false; | |
| 89 } | |
| 90 }; | |
| 91 | |
| 92 // ============================================================================= | |
| 93 // The main renderer object, draws the brick on the screen, manages the camera | |
| 94 // and selection picking. The instance of GLRenderer is accessible as | |
| 95 // g_win->R() | |
| 96 // | |
| 97 class GLRenderer : public QGLWidget | |
| 98 { | |
| 99 typedefs: | |
| 100 enum EFixedCamera | |
| 101 { | |
| 102 ETopCamera, | |
| 103 EFrontCamera, | |
| 104 ELeftCamera, | |
| 105 EBottomCamera, | |
| 106 EBackCamera, | |
| 107 ERightCamera, | |
| 108 EFreeCamera | |
| 109 }; | |
| 110 | |
| 111 enum ListType | |
| 112 { | |
| 113 NormalList, | |
| 114 PickList, | |
| 115 BFCFrontList, | |
| 116 BFCBackList | |
| 117 }; | |
| 118 | |
| 119 // CameraIcon::img is a heap-allocated QPixmap because otherwise it gets | |
| 120 // initialized before program gets to main() and constructs a QApplication | |
| 121 // and Qt doesn't like that. | |
| 122 struct CameraIcon | |
| 123 { | |
| 124 QPixmap* img; | |
| 125 QRect srcRect, | |
| 126 destRect, | |
| 127 selRect; | |
| 128 EFixedCamera cam; | |
| 129 }; | |
| 130 | |
| 131 properties: | |
| 132 Q_OBJECT | |
| 133 PROPERTY (public, bool, DrawOnly, BOOL_OPS, STOCK_WRITE) | |
| 134 PROPERTY (public, MessageManager*, MessageLog, NO_OPS, STOCK_WRITE) | |
| 135 PROPERTY (private, bool, Picking, BOOL_OPS, STOCK_WRITE) | |
| 136 PROPERTY (public, LDDocument*, File, NO_OPS, CUSTOM_WRITE) | |
| 137 PROPERTY (public, EditMode, EditMode, NO_OPS, CUSTOM_WRITE) | |
| 138 | |
| 139 public: | |
| 140 GLRenderer (QWidget* parent = null); | |
| 141 ~GLRenderer(); | |
| 142 | |
| 143 inline EFixedCamera camera() const | |
| 144 { | |
| 145 return m_camera; | |
| 146 } | |
| 147 | |
| 148 void clearOverlay(); | |
| 149 void compileObject (LDObject* obj); | |
| 150 void compileAllObjects(); | |
| 151 void drawGLScene(); | |
| 152 void endDraw (bool accept); | |
| 153 Axis getCameraAxis (bool y, EFixedCamera camid = (EFixedCamera) - 1); | |
| 154 const char* getCameraName() const; | |
| 155 double getDepthValue() const; | |
| 156 LDGLOverlay& getOverlay (int newcam); | |
| 157 uchar* getScreencap (int& w, int& h); | |
| 158 void hardRefresh(); | |
| 159 void initGLData(); | |
| 160 void initOverlaysFromObjects(); | |
| 161 void refresh(); | |
| 162 void resetAngles(); | |
| 163 void resetAllAngles(); | |
| 164 void setBackground(); | |
| 165 void setCamera (const EFixedCamera cam); | |
| 166 void setDepthValue (double depth); | |
| 167 bool setupOverlay (EFixedCamera cam, QString file, int x, int y, int w, int h); | |
| 168 void updateOverlayObjects(); | |
| 169 void zoomNotch (bool inward); | |
| 170 void zoomToFit(); | |
| 171 void zoomAllToFit(); | |
| 172 | |
| 173 static void deleteLists (LDObject* obj); | |
| 174 static QColor getMainColor(); | |
| 175 | |
| 176 protected: | |
| 177 void contextMenuEvent (QContextMenuEvent* ev); | |
| 178 void initializeGL(); | |
| 179 void keyPressEvent (QKeyEvent* ev); | |
| 180 void keyReleaseEvent (QKeyEvent* ev); | |
| 181 void leaveEvent (QEvent* ev); | |
| 182 void mouseDoubleClickEvent (QMouseEvent* ev); | |
| 183 void mousePressEvent (QMouseEvent* ev); | |
| 184 void mouseMoveEvent (QMouseEvent* ev); | |
| 185 void mouseReleaseEvent (QMouseEvent* ev); | |
| 186 void paintEvent (QPaintEvent* ev); | |
| 187 void resizeGL (int w, int h); | |
| 188 void wheelEvent (QWheelEvent* ev); | |
| 189 | |
| 190 private: | |
| 191 CameraIcon m_cameraIcons[7]; | |
| 192 QTimer* m_toolTipTimer; | |
| 193 Qt::MouseButtons m_lastButtons; | |
| 194 Qt::KeyboardModifiers m_keymods; | |
| 195 Vertex m_hoverpos; | |
| 196 double m_virtWidth, | |
| 197 m_virtHeight; | |
| 198 bool m_darkbg, | |
| 199 m_rangepick, | |
| 200 m_addpick, | |
| 201 m_drawToolTip, | |
| 202 m_screencap, | |
| 203 m_panning; | |
| 204 QPoint m_pos, | |
| 205 m_globalpos, | |
| 206 m_rangeStart; | |
| 207 QPen m_thickBorderPen, | |
| 208 m_thinBorderPen; | |
| 209 EFixedCamera m_camera, | |
| 210 m_toolTipCamera; | |
| 211 GLuint m_axeslist; | |
| 212 int m_width, | |
| 213 m_height, | |
| 214 m_totalmove; | |
| 215 QList<Vertex> m_drawedVerts; | |
| 216 bool m_rectdraw; | |
| 217 Vertex m_rectverts[4]; | |
| 218 QColor m_bgcolor; | |
| 219 QList<Vertex> m_knownVerts; | |
| 220 | |
| 221 void addDrawnVertex (Vertex m_hoverpos); | |
| 222 LDOverlay* findOverlayObject (EFixedCamera cam); | |
| 223 void updateRectVerts(); | |
| 224 void getRelativeAxes (Axis& relX, Axis& relY) const; | |
| 225 Matrix getCircleDrawMatrix (double scale); | |
| 226 void drawBlip (QPainter& paint, QPoint pos) const; | |
| 227 | |
| 228 // Compute geometry for camera icons | |
| 229 void calcCameraIcons(); | |
| 230 | |
| 231 // How large is the circle we're drawing right now? | |
| 232 double getCircleDrawDist (int pos) const; | |
| 233 | |
| 234 // Clamps an angle to [0, 360] | |
| 235 void clampAngle (double& angle) const; | |
| 236 | |
| 237 // Compile one of the lists of an object | |
| 238 void compileList (LDObject* obj, const ListType list); | |
| 239 | |
| 240 // Sub-routine for object compiling | |
| 241 void compileSubObject (LDObject* obj, const GLenum gltype); | |
| 242 | |
| 243 // Compile a single vertex to a list | |
| 244 void compileVertex (const Vertex& vrt); | |
| 245 | |
| 246 // Convert a 2D point to a 3D point | |
| 247 Vertex coordconv2_3 (const QPoint& pos2d, bool snap) const; | |
| 248 | |
| 249 // Draw a VAO array | |
| 250 void drawVAOs (E_VertexArrayType arrayType, GLenum type); | |
| 251 | |
| 252 // Determine which color to draw text with | |
| 253 QColor getTextPen() const; | |
| 254 | |
| 255 // Convert a 3D point to a 2D point | |
| 256 QPoint coordconv3_2 (const Vertex& pos3d) const; | |
| 257 | |
| 258 // Perform object selection | |
| 259 void pick (int mouseX, int mouseY); | |
| 260 | |
| 261 // Set the color to an object list | |
| 262 void setObjectColor (LDObject* obj, const ListType list); | |
| 263 | |
| 264 LDGLData& currentDocumentData() const | |
| 265 { | |
| 266 return *getFile()->getGLData(); | |
| 267 } | |
| 268 | |
| 269 // Get a rotation value | |
| 270 inline double& rot (Axis ax) | |
| 271 { | |
| 272 return | |
| 273 (ax == X) ? currentDocumentData().rotX : | |
| 274 (ax == Y) ? currentDocumentData().rotY : | |
| 275 currentDocumentData().rotZ; | |
| 276 } | |
| 277 | |
| 278 // Get a panning value | |
| 279 inline double& pan (Axis ax) | |
| 280 { | |
| 281 return (ax == X) ? currentDocumentData().panX[camera()] : | |
| 282 currentDocumentData().panY[camera()]; | |
| 283 } | |
| 284 | |
| 285 // Same except const (can be used in const methods) | |
| 286 inline const double& pan (Axis ax) const | |
| 287 { | |
| 288 return (ax == X) ? currentDocumentData().panX[camera()] : | |
| 289 currentDocumentData().panY[camera()]; | |
| 290 } | |
| 291 | |
| 292 // Get the zoom value | |
| 293 inline double& zoom() | |
| 294 { | |
| 295 return currentDocumentData().zoom[camera()]; | |
| 296 } | |
| 297 | |
| 298 private slots: | |
| 299 void slot_toolTipTimer(); | |
| 300 }; | |
| 301 | |
| 302 // Alias for short namespaces | |
| 303 typedef GLRenderer GL; | |
| 304 | |
| 305 static const GLRenderer::ListType g_glListTypes[] = | |
| 306 { | |
| 307 GL::NormalList, | |
| 308 GL::PickList, | |
| 309 GL::BFCFrontList, | |
| 310 GL::BFCBackList, | |
| 311 }; | |
| 312 | |
| 313 extern const GL::EFixedCamera g_Cameras[7]; | |
| 314 extern const char* g_CameraNames[7]; | |
| 315 | |
| 316 #endif // LDFORGE_GLDRAW_H |
