slicer.h

来自「Mesa is an open-source implementation of」· C头文件 代码 · 共 87 行

/*
 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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 * http://oss.sgi.com/projects/FreeB/
 * shall be included in all copies or substantial portions of the Software.
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/*
 * slicer.h
 *
 * $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $
 * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/slicer.h,v 1.1 2001/03/17 00:25:41 brianp Exp $
 */

#ifndef __gluslicer_h_
#define __gluslicer_h_

#include "trimregion.h"
#include "mesher.h"
#include "coveandtiler.h"
#include "primitiveStream.h"
#include "rectBlock.h"

class Backend;
class Arc;
class TrimVertex;

class Slicer : public CoveAndTiler, public Mesher {
public:
    			Slicer( Backend & );
			~Slicer( void );
    void		slice( Arc_ptr );
    void		slice_old( Arc_ptr);
    void		slice_new( Arc_ptr );
    void                evalStream(primStream* );
    void                evalRBArray(rectBlockArray* rbArray, gridWrap* grid);

    void		outline( Arc_ptr );
    void		setstriptessellation( REAL, REAL );
    void		setisolines( int );

    void                set_ulinear(int ulinear_flag)
      {
	ulinear = ulinear_flag;
      }
    void                set_vlinear(int vlinear_flag)
      {
	vlinear = vlinear_flag;
      }
private:
    Backend&		backend;
    REAL		oneOverDu;
    REAL		du, dv;
    int			isolines;

    void		outline( void );
    void		initGridlines( void );
    void		advanceGridlines( long );

    int                ulinear; //indicate whether uorder is 2 or not
    int                vlinear; //indicate whether vorder is 2 or not
};
#endif /* __gluslicer_h_ */