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This is a backport of OpenJFX 8 to run on Java 7.

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/*
 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.javafx.sg.prism;

import com.sun.javafx.geom.Path2D;
import com.sun.javafx.geom.Shape;
import com.sun.javafx.sg.PGPolyline;

/**
 *
 */
public class NGPolyline extends NGShape implements PGPolyline {

    private Path2D path = new Path2D();

    public void updatePolyline(float[] points) {
        path.reset();
        if (points == null || points.length == 0 || points.length % 2 != 0) {
            return;
        }
        path.moveTo(points[0], points[1]);
        for (int i = 1; i < points.length/2; i++) {
            float px = points[i*2+0];
            float py = points[i*2+1];
            path.lineTo(px, py);
        }
        geometryChanged();
    }

    @Override
    public Shape getShape() {
        return path;
    }
}