GemShape.h 3.21 KB
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/*-----------------------------------------------------------------
LOG
    GEM - Graphics Environment for Multimedia

    Base class for shapes

    Copyright (c) 1997-1999 Mark Danks. mark@danks.org
    Copyright (c) Gnther Geiger. geiger@epy.co.at
    Copyright (c) 2001-2002 IOhannes m zmoelnig. forum::fr::umlute. IEM. zmoelnig@iem.kug.ac.at
    For information on usage and redistribution, and for a DISCLAIMER OF ALL
    WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.

-----------------------------------------------------------------*/

#ifndef INCLUDE_GEMSHAPE_H_
#define INCLUDE_GEMSHAPE_H_

#include "Base/GemBase.h"

/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
    GemShape
    
    Base class for shapes

DESCRIPTION
    
    Inlet for a float - "ft1"

    "ft1" - the size of the shape
    "draw" - the drawing style
    "width" - the line width when drawing with lines
    
-----------------------------------------------------------------*/
class GEM_EXTERN GemShape : public GemBase
{
    public:

        //////////
        // Constructor
        // [in] size - A size of 0. means to just use the default (ie, 1.)
    	GemShape(t_floatarg size);
    	
    protected:
    	
    	//////////
    	// Destructor
    	virtual ~GemShape();

	    //-----------------------------------
	    // GROUP:	Access functions
	    //-----------------------------------
    
    	//////////
    	// The width of the lines in line draw mode
    	void	    	linewidthMess(float linewidth);
    	
    	//////////
    	// The size of the object
    	void	    	sizeMess(float size);

    	//////////
    	// How the object should be drawn
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    	virtual void	typeMess(t_symbol *type);
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	    //-----------------------------------
	    // GROUP:	Utility functions
	    //-----------------------------------
	
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		void SetVertix(GemState* state,float x, float y, float z, float tx, float ty,int curCoord);
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	    //-----------------------------------
	    // GROUP:	Member variables
	    //-----------------------------------
    
    	//////////
    	// The line width for GL_LINE mode
        GLfloat	    	m_linewidth;

    	//////////
    	// The size of the object
        GLfloat	    	m_size;
	
        //////////
        // The drawing style (GL_LINE, GL_POLYGON, etc)
        GLenum	    	m_drawType;

        //////////
        // The size inlet
        t_inlet         *m_inlet;

	    //-----------------------------------
	    // GROUP:	Setup functions
	    //-----------------------------------
    
    	//////////
    	// creation callback
    	static void 	real_obj_setupCallback(t_class *classPtr)
    	    { GemBase::real_obj_setupCallback(classPtr); GemShape::obj_setupCallback(classPtr); }
    	
    private:
    
     	static inline GemShape *GetMyClass(void *data) {return((GemShape *)((Obj_header *)data)->data);}

       	//////////
    	// static member functions
    	static void 	obj_setupCallback(t_class *classPtr);
    	static void 	linewidthMessCallback(void *data, t_floatarg linewidth);
    	static void 	typeMessCallback(void *data, t_symbol *type);
    	static void 	sizeMessCallback(void *data, t_floatarg size);
};

#endif	// for header file