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Java > Open Source Codes > jcckit > plot > CurveFactory


1 /*
2  * Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
3  *
4  * This library is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License as published by
6  * the Free Software Foundation; either version 2.1 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU Lesser General Public License for more details
13  * (http://www.gnu.org/copyleft/lesser.html).
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 package jcckit.plot;
20
21 import jcckit.graphic.ClippingShape;
22
23 /**
24  * Interface of a curve factory. A curve factory creates a new instance
25  * of a {@link Curve}.
26  *
27  * @author Franz-Josef Elmer
28  */
29 public interface CurveFactory {
30   /**
31    * Creates a new curve instance.
32    * @param curveIndex The index of the curve in the {@link Plot} to which
33    * it should belong.
34    * @param numberOfCurves Number of curves. Will be needed to calculate the
35    * y-coordinate of the legend symbol.
36    * @param clippingShape Clipping shape applied to the curve.
37    * @param legend The legend which will show the curve symbol.
38    * @return an empty instance.
39    */
40   public Curve create(int curveIndex, int numberOfCurves,
41                       ClippingShape clippingShape, Legend legend);
42 }
43
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