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package javax.media.j3d;
import java.util.ArrayList;
import javax.vecmath.Point3f;
/**
* A service interface for certain geometric operations that are not available
* in core Java 3D.
* <p>
* In particular, the {@code j3d-core-utils} project provides additional
* functionality under a different license, which is needed in some
* circumstances by core Java 3D. Thus, historically, these two projects have
* been co-dependent. This interface breaks the circular dependency by using
* Java's service discovery mechanism: if {@code j3d-core-utils} is present on
* the classpath, its {@code GeometryServiceImpl} will provide the functionality
* defined here. Or if not (i.e., no suitable {@code GeometryService}
* implementation can be discovered and instantiated}), then the Java3D core
* will fail as gracefully as possible.
* </p>
*
* @see Font3D#triangulateGlyphs
*/
public interface GeometryService {
/**
* Loops through each island, calling triangulator once per island. Combines
* triangle data for all islands together in one object.
*
* @param islandCounts TODO
* @param outVerts TODO
* @param contourCounts TODO
* @param triangData TODO
* @return total vertex count of the combined array
*/
int triangulateIslands(int[][] islandCounts, Point3f[][] outVerts,
int[] contourCounts, ArrayList<GeometryArray> triangData);
}
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