org.scijava.java3d.GeneralizedStripFlags Maven / Gradle / Ivy
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* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package org.scijava.java3d;
/**
* A class which implements GeneralizedStripFlags provides the means to access
* the vertex replace code flags associated with each vertex of a generalized
* strip. This allows a flexible representation of generalized strips for
* various classes and makes it possible to provide a common subset of static
* methods which operate only on their topology.
*
* @see GeneralizedStrip
* @see GeneralizedVertexList
*/
interface GeneralizedStripFlags {
/**
* This flag indicates that a vertex starts a new strip with clockwise
* winding.
*/
static final int RESTART_CW = 0 ;
/**
* This flag indicates that a vertex starts a new strip with
* counter-clockwise winding.
*/
static final int RESTART_CCW = 1 ;
/**
* This flag indicates that the next triangle in the strip is defined by
* replacing the middle vertex of the previous triangle in the strip.
*/
static final int REPLACE_MIDDLE = 2 ;
/**
* This flag indicates that the next triangle in the strip is defined by
* replacing the oldest vertex of the previous triangle in the strip.
*/
static final int REPLACE_OLDEST = 3 ;
/**
* This constant is used to indicate that triangles with clockwise vertex
* winding are front facing.
*/
static final int FRONTFACE_CW = 0 ;
/**
* This constant is used to indicate that triangles with counter-clockwise
* vertex winding are front facing.
*/
static final int FRONTFACE_CCW = 1 ;
/**
* Return the number of flags. This should be the same as the number of
* vertices in the generalized strip.
*/
int getFlagCount() ;
/**
* Return the flag associated with the vertex at the specified index.
*/
int getFlag(int index) ;
}