src/renderingsurface.h

   1 // Copyright (C) 2006 Erik Dahlberg
   2 //
   3 // This file is part of LSystem3D.
   4 //
   5 // LSystem3D is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9 //
  10 // LSystem3D 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 LSystem3D; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19
  20
  21
  22 #ifndef RENDERINGSURFACE_H
  23 #define RENDERINGSURFACE_H
  24
  25 #include "fx.h"
  26 #include "fx3d.h"
  27
  28 #include "lindenmayersystem.h"
  29
  30
  31
  32 /**
  33  * The OpenGL rendering surface
  34  */
  35 class RenderingSurface : public FXMainWindow
  36 {
  37     // macro to set up class declaration
  38     FXDECLARE(RenderingSurface)
  39
  40 public:
  41
  42     // message ID's
  43     enum
  44     {
  45         ID_CANVAS = FXMainWindow::ID_LAST,
  46         ID_LAST
  47     };
  48
  49     /**
  50      * Constructor
  51      * @param application the FOX application object
  52      * @param lsystem the Lindenmayer-system
  53      */
  54     RenderingSurface(FXApp *application, LindenmayerSystem *lsystem);
  55
  56     /**
  57      * Create and initialize the window
  58      */
  59     void create();
  60
  61     /**
  62      * Initialize OpenGL
  63      */
  64     void initOpenGL();
  65
  66     /**
  67      * Force an update of the rendering surface
  68      */
  69     void draw();
  70
  71     /**
  72      * Called by the system when the left mouse button is pressed
  73      * @param sender the sender object
  74      * @param selector message type and id
  75      * @param data event related data
  76      * @return
  77      */
  78     long onLeftMouseDown(FXObject *sender, FXSelector selector, void *data);
  79
  80     /**
  81      * Called by the system when the left mouse button is released
  82      * @param sender the sender object
  83      * @param selector message type and id
  84      * @param data event related data
  85      * @return
  86      */
  87     long onLeftMouseUp(FXObject *sender, FXSelector selector, void *data);
  88
  89     /**
  90      * Called by the system when the middle mouse button is pressed
  91      * @param sender the sender object
  92      * @param selector message type and id
  93      * @param data event related data
  94      * @return
  95      */
  96     long onMiddleMouseDown(FXObject *sender, FXSelector selector, void *data);
  97
  98     /**
  99      * Called by the system when the middle mouse button is released
 100      * @param sender the sender object
 101      * @param selector message type and id
 102      * @param data event related data
 103      * @return
 104      */
 105     long onMiddleMouseUp(FXObject *sender, FXSelector selector, void *data);
 106
 107     /**
 108      * Called by the system when the right mouse button is pressed
 109      * @param sender the sender object
 110      * @param selector message type and id
 111      * @param data event related data
 112      * @return
 113      */
 114     long onRightMouseDown(FXObject *sender, FXSelector selector, void *data);
 115
 116     /**
 117      * Called by the system when the right mouse button is released
 118      * @param sender the sender object
 119      * @param selector message type and id
 120      * @param data event related data
 121      * @return
 122      */
 123     long onRightMouseUp(FXObject *sender, FXSelector selector, void *data);
 124
 125     /**
 126      * Called by the system when the mouse is moved
 127      * @param sender the sender object
 128      * @param selector message type and id
 129      * @param data event related data
 130      * @return
 131      */
 132     long onMouseMove(FXObject *sender, FXSelector selector, void *data);
 133
 134     /**
 135      * Called by the system when the rendering surface needs a repaint
 136      * @param sender the sender object
 137      * @param selector message type and id
 138      * @param data event related data
 139      * @return
 140      */
 141     long onRepaint(FXObject *sender, FXSelector selector, void *data);
 142
 143 protected:
 144
 145     /**
 146      * Constructor
 147      */
 148     RenderingSurface() {}
 149
 150 private:
 151
 152     FXGLVisual *_visual;    // Pixel format info
 153     FXGLCanvas *_canvas;    // OpenGL-capable drawing area
 154
 155     LindenmayerSystem *_lsystem;    // The Lindenmayer System
 156
 157     // Model position
 158     double _modelX,
 159            _modelY,
 160            _modelZ;
 161
 162     // Model rotation
 163     double _modelRotationY;
 164
 165     // Mouse button status
 166     bool _leftMouseDown,
 167          _middleMouseDown,
 168          _rightMouseDown;
 169 };
 170
 171
 172
 173 #endif