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  • /********************************************************************************
    *                                                                               *
    *                   O p e n G L   S h a p e   O b j e c t                       *
    *                                                                               *
    *********************************************************************************
    * Copyright (C) 1998,2005 by Jeroen van der Zijp.   All Rights Reserved.        *
    *********************************************************************************
    * This library is free software; you can redistribute it and/or                 *
    * modify it under the terms of the GNU Lesser General Public                    *
    * License as published by the Free Software Foundation; either                  *
    * version 2.1 of the License, or (at your option) any later version.            *
    *                                                                               *
    * This library is distributed in the hope that it will be useful,               *
    * but WITHOUT ANY WARRANTY; without even the implied warranty of                *
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             *
    * Lesser General Public License for more details.                               *
    *                                                                               *
    * You should have received a copy of the GNU Lesser General Public              *
    * License along with this library; if not, write to the Free Software           *
    * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.    *
    *********************************************************************************
    * $Id: FXGLShape.h 2127 2005-08-07 20:21:35Z lyle $                         *
    ********************************************************************************/
    #ifndef FXGLSHAPE_H
    #define FXGLSHAPE_H
    
    #ifndef FXGLOBJECT_H
    #include "FXGLObject.h"
    #endif
    
    namespace FX {
    
    
    class FXGLViewer;
    class FXGLObject;
    
    
    // Shape drawing options
    enum {
      SURFACE_SINGLESIDED   = 0,              // Single-sided [both sides same]
      SURFACE_DUALSIDED     = 0x00000001,     // Dual-sided surface
      SHADING_NONE          = 0,              // No light source
      SHADING_SMOOTH        = 0x00000002,     // Smooth shaded
      SHADING_FLAT          = 0x00000004,     // Flag shaded
      FACECULLING_OFF       = 0,              // No face culling
      FACECULLING_ON        = 0x00000008,     // Cull backward facing surfaces
      STYLE_SURFACE         = 0x00000010,     // Draw filled surfaces
      STYLE_WIREFRAME       = 0x00000020,     // Draw wire frame
      STYLE_POINTS          = 0x00000040,     // Draw as points
      STYLE_BOUNDBOX        = 0x00000080      // Draw bounding box
      };
    
    
    
    /// OpenGL Shape Object
    class FXAPI FXGLShape : public FXGLObject {
      FXDECLARE_ABSTRACT(FXGLShape)
    protected:
      FXVec3f       position;             // Middle of the Bounding Box
      FXMaterial    material[2];          // Front and back material properties
      FXRangef      range;                // Range box
      FXuint	options;              // Drawing options
      FXString	tip;
    protected:
      FXGLShape();
      virtual void drawshape(FXGLViewer*){}  // To be overloaded by derived class
      void drawbox();
      void drawhandles();
    public:
      long onDNDDrop(FXObject*,FXSelector,void*);
      long onDNDMotion(FXObject*,FXSelector,void*);
      long onQueryTip(FXObject*,FXSelector,void*);
      long onCmdShadeOff(FXObject*,FXSelector,void*);
      long onUpdShadeOff(FXObject*,FXSelector,void*);
      long onCmdShadeOn(FXObject*,FXSelector,void*);
      long onUpdShadeOn(FXObject*,FXSelector,void*);
      long onCmdShadeSmooth(FXObject*,FXSelector,void*);
      long onUpdShadeSmooth(FXObject*,FXSelector,void*);
      long onCmdFrontMaterial(FXObject*,FXSelector,void*);
      long onUpdFrontMaterial(FXObject*,FXSelector,void*);
      long onCmdBackMaterial(FXObject*,FXSelector,void*);
      long onUpdBackMaterial(FXObject*,FXSelector,void*);
      long onCmdDrawingStyle(FXObject*,FXSelector,void*);
      long onUpdDrawingStyle(FXObject*,FXSelector,void*);
    public:
      enum {
        ID_SHADEOFF=FXGLObject::ID_LAST,
        ID_SHADEON,
        ID_SHADESMOOTH,
        ID_TOGGLE_SIDED,
        ID_TOGGLE_CULLING,
        ID_STYLE_POINTS,
        ID_STYLE_WIREFRAME,
        ID_STYLE_SURFACE,
        ID_STYLE_BOUNDINGBOX,
        ID_FRONT_MATERIAL,
        ID_BACK_MATERIAL,
        ID_LAST
        };
    public:
    
      /// Construct with specified origin and options
      FXGLShape(FXfloat x,FXfloat y,FXfloat z,FXuint opts);
    
      /// Construct with specified origin, options and front and back materials
      FXGLShape(FXfloat x,FXfloat y,FXfloat z,FXuint opts,const FXMaterial& front,const FXMaterial& back);
    
      /// Copy constructor
      FXGLShape(const FXGLShape& orig);
    
      /// Called by the viewer to get bounds for this object
      virtual void bounds(FXRangef& box);
    
      /// Draw this object in a viewer
      virtual void draw(FXGLViewer* viewer);
    
      /// Draw this object for hit-testing purposes
      virtual void hit(FXGLViewer* viewer);
    
      /// Copy this object
      virtual FXGLObject* copy();
    
      /// Return true if this object can be dragged around
      virtual FXbool canDrag() const;
    
      /// Return true if this object can be deleted from the scene
      virtual FXbool canDelete() const;
    
      /// Drag this object from one position to another
      virtual FXbool drag(FXGLViewer* viewer,FXint fx,FXint fy,FXint tx,FXint ty);
    
      /// Set the tool tip message for this object
      void setTipText(const FXString& text){ tip=text; }
    
      /// Get the tool tip message for this object
      const FXString& getTipText() const { return tip; }
    
      /// Set the material for specified side (where side = 0 or 1)
      void setMaterial(FXint side,const FXMaterial &mtl);
    
      /// Get the material for specified side (where side = 0 or 1)
      void getMaterial(FXint side,FXMaterial &mtl) const;
    
      /// Save shape to a stream
      virtual void save(FXStream& store) const;
    
      /// Load shape from a stream
      virtual void load(FXStream& store);
      };
    
    }
    
    #endif