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package com.sun.opengl.impl.glu.nurbs;
/*
** License Applicability. Except to the extent portions of this file are
** made subject to an alternative license as permitted in the SGI Free
** Software License B, Version 1.1 (the "License"), the contents of this
** file are subject only to the provisions of the License. You may not use
** this file except in compliance with the License. You may obtain a copy
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
**
** http://oss.sgi.com/projects/FreeB
**
** Note that, as provided in the License, the Software is distributed on an
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
**
** Original Code. The Original Code is: OpenGL Sample Implementation,
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
** Copyright in any portions created by third parties is as indicated
** elsewhere herein. All Rights Reserved.
**
** Additional Notice Provisions: The application programming interfaces
** established by SGI in conjunction with the Original Code are The
** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
** Window System(R) (Version 1.3), released October 19, 1998. This software
** was created using the OpenGL(R) version 1.2.1 Sample Implementation
** published by SGI, but has not been independently verified as being
** compliant with the OpenGL(R) version 1.2.1 Specification.
*/
/**
* Class rendering curves with OpenGL
* @author Tomáš Hráský
*
*/
public interface CurveEvaluator {
/**
* Pushes eval bit
*/
public void bgnmap1f();
/**
* Pops all OpenGL attributes
*/
public void endmap1f() ;
/**
* Initializes opengl evaluator
* @param type curve type
* @param ulo lowest u
* @param uhi highest u
* @param stride control point coords
* @param order curve order
* @param ps control points
*/
public void map1f(int type, float ulo, float uhi, int stride, int order,
CArrayOfFloats ps) ;
/**
* Calls opengl enable
* @param type what to enable
*/
public void enable(int type) ;
/**
* Calls glMapGrid1f
* @param nu steps
* @param u1 low u
* @param u2 high u
*/
public void mapgrid1f(int nu, float u1, float u2) ;
/**
* Evaluates a curve using glEvalMesh1f
* @param style Backend.N_MESHFILL/N_MESHLINE/N_MESHPOINT
* @param from lowest param
* @param to highest param
*/
public void mapmesh1f(int style, int from, int to) ;
}
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