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     /**
  51      * Constructor
  52      * @param application the application object
  53      */
  54     RenderingSurface(FXApp *application);
  55
  56     /**
  57      * Destructor
  58      */
  59     virtual ~RenderingSurface();
  60
  61
  62     /**
  63      * Create and initialize the window
  64      */
  65     virtual void create();
  66
  67     /**
  68      * Initialize OpenGL
  69      */
  70     void initOpenGL();
  71
  72     /**
  73      * Force an update of the rendering surface
  74      */
  75     void draw();
  76
  77
  78     /**
  79      * Called by the system when the left mouse button is pressed
  80      * @param sender the sender object
  81      * @param selector message type and id
  82      * @param data event related data
  83      * @return
  84      */
  85     long onLeftMouseDown(FXObject *sender, FXSelector selector, void *data);
  86
  87     /**
  88      * Called by the system when the left mouse button is released
  89      * @param sender the sender object
  90      * @param selector message type and id
  91      * @param data event related data
  92      * @return
  93      */
  94     long onLeftMouseUp(FXObject *sender, FXSelector selector, void *data);
  95
  96     /**
  97      * Called by the system when the middle mouse button is pressed
  98      * @param sender the sender object
  99      * @param selector message type and id
 100      * @param data event related data
 101      * @return
 102      */
 103     long onMiddleMouseDown(FXObject *sender, FXSelector selector, void *data);
 104
 105     /**
 106      * Called by the system when the middle mouse button is released
 107      * @param sender the sender object
 108      * @param selector message type and id
 109      * @param data event related data
 110      * @return
 111      */
 112     long onMiddleMouseUp(FXObject *sender, FXSelector selector, void *data);
 113
 114     /**
 115      * Called by the system when the right mouse button is pressed
 116      * @param sender the sender object
 117      * @param selector message type and id
 118      * @param data event related data
 119      * @return
 120      */
 121     long onRightMouseDown(FXObject *sender, FXSelector selector, void *data);
 122
 123     /**
 124      * Called by the system when the right mouse button is released
 125      * @param sender the sender object
 126      * @param selector message type and id
 127      * @param data event related data
 128      * @return
 129      */
 130     long onRightMouseUp(FXObject *sender, FXSelector selector, void *data);
 131
 132     /**
 133      * Called by the system when the mouse is moved
 134      * @param sender the sender object
 135      * @param selector message type and id
 136      * @param data event related data
 137      * @return
 138      */
 139     long onMouseMove(FXObject *sender, FXSelector selector, void *data);
 140
 141     /**
 142      * Called by the system when the rendering surface needs a repaint
 143      * @param sender the sender object
 144      * @param selector message type and id
 145      * @param data event related data
 146      * @return
 147      */
 148     long onRepaint(FXObject *sender, FXSelector selector, void *data);
 149
 150     /**
 151      * Called by the system when the close button is pressed
 152      * @param sender the sender object
 153      * @param selector message type and id
 154      * @param data event related data
 155      * @return
 156      */
 157     long onQuit(FXObject *sender, FXSelector selector, void *data);
 158
 159
 160     /**
 161      * Set current L-system generator
 162      * @param lsystem the L-system generator
 163      */
 164     void setLSystem(LindenmayerSystem *lsystem);
 165
 166 protected:
 167
 168     /**
 169      * Constructor
 170      */
 171     RenderingSurface() {}
 172
 173
 174     FXGLVisual *_visual;    // Pixel format info
 175     FXGLCanvas *_canvas;    // OpenGL-capable drawing area
 176
 177     LindenmayerSystem *_lsystem;    // The Lindenmayer system generator
 178
 179
 180     // Model position
 181     double _modelX,
 182            _modelY,
 183            _modelZ;
 184
 185     // Model rotation
 186     double _modelRotationY;
 187
 188     // Mouse button status
 189     bool _leftMouseDown,
 190          _middleMouseDown,
 191          _rightMouseDown;
 192 };
 193
 194
 195
 196 #endif