JOGL v2.6.0-rc-20250706
JOGL, High-Performance Graphics Binding for Java™ (public API).
Triangulator.java
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1/**
2 * Copyright 2011 JogAmp Community. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification, are
5 * permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
8 * conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
16 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
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27 */
28
29package com.jogamp.graph.curve.tess;
30
31import java.util.List;
32
33import com.jogamp.graph.geom.Outline;
34import com.jogamp.graph.geom.Triangle;
35
36/** Interface to the triangulation algorithms provided
37 * A triangulation of 2D outlines where you can
38 * provides an easy one or more outlines to be triangulated
39 *
40 * example usage:
41 * addCurve(o1);
42 * addCurve(o2);
43 * addCurve(o3);
44 * generate();
45 * reset();
46 *
47 * @see Outline
48 * @see Triangulation
49 */
50public interface Triangulator {
51
52 /**
53 * Mark the to be triangulated shape complex or non-complex.
54 * <p>
55 * Complex shapes may cause further processing costs, e.g. intersection tests to overcome self-intersecting shapes.
56 * </p>
57 * <p>
58 * Default is assuming a simple non-complex shape.
59 * </p>
60 */
61 public void setComplexShape(boolean complex);
62
63 /**
64 * Add a curve to the list of Outlines
65 * describing the shape
66 * @param sink list where the generated triangles will be added
67 * @param outline a bounding {@link Outline}
68 * @param sharpness TODO
69 */
70 public void addCurve(List<Triangle> sink, Outline outline, float sharpness);
71
72 /** Generate the triangulation of the provided
73 * List of {@link Outline}s
74 * @param sink list where the generated triangles will be added
75 */
76 public void generate(List<Triangle> sink);
77
78 /**
79 * Reset the triangulation to initial state
80 * Clearing cached data
81 */
82 public void reset();
83
84 /**
85 * Return the number of newly added vertices during {@link #addCurve(List, Outline, float)}.
86 */
88}
Define a single continuous stroke by control vertices.
Definition: Outline.java:53
Interface to the triangulation algorithms provided A triangulation of 2D outlines where you can provi...
int getAddedVerticeCount()
Return the number of newly added vertices during addCurve(List, Outline, float).
void setComplexShape(boolean complex)
Mark the to be triangulated shape complex or non-complex.
void reset()
Reset the triangulation to initial state Clearing cached data.
void generate(List< Triangle > sink)
Generate the triangulation of the provided List of Outlines.
void addCurve(List< Triangle > sink, Outline outline, float sharpness)
Add a curve to the list of Outlines describing the shape.