Исходный код

001/*
002 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.  Oracle designates this
008 * particular file as subject to the "Classpath" exception as provided
009 * by Oracle in the LICENSE file that accompanied this code.
010 *
011 * This code is distributed in the hope that it will be useful, but WITHOUT
012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
014 * version 2 for more details (a copy is included in the LICENSE file that
015 * accompanied this code).
016 *
017 * You should have received a copy of the GNU General Public License version
018 * 2 along with this work; if not, write to the Free Software Foundation,
019 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020 *
021 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
022 * or visit www.oracle.com if you need additional information or have any
023 * questions.
024 */
025
026package javafx.scene.shape;
027
028
029import javafx.beans.property.DoubleProperty;
030import javafx.beans.property.DoublePropertyBase;
031
032import com.sun.javafx.geom.Path2D;
033import com.sun.javafx.sg.PGPath;
034
035
036/**
037 * Creates a vertical line path element from the current point to y.
038 *
039 * <p>For more information on path elements see the {@link Path} and
040 * {@link PathElement} classes.
041 *
042 * <p>Example:
043<PRE>
044import javafx.scene.shape.*;
045
046Path path = new Path();
047path.getElements().add(new MoveTo(50.0f, 0.0f));
048path.getElements().add(new VLineTo(50.0f));
049</PRE>
050 */
051public  class VLineTo extends PathElement {
052
053    /**
054     * Creates an empty instance of VLineTo.
055     */
056    public VLineTo() {
057    }
058
059    /**
060     * Creates an instance of VLineTo.
061     * @param y the vertical coordinate to line to
062     */
063     public VLineTo(double y) {
064        setY(y);
065    }
066
067    /**
068     * Defines the Y coordinate.
069     *
070     * @defaultValue 0.0
071     */
072    private DoubleProperty y = new DoublePropertyBase() {
073
074        @Override
075        public void invalidated() {
076            u();
077        }
078
079        @Override
080        public Object getBean() {
081            return VLineTo.this;
082        }
083
084        @Override
085        public String getName() {
086            return "y";
087        }
088    };
089
090
091    public final void setY(double value) {
092        y.set(value);
093    }
094
095    public final double getY() {
096        return y.get();
097    }
098
099    public final DoubleProperty yProperty() {
100        return y;
101    }
102
103    @Override
104    void addTo(PGPath pgPath) {
105        if (isAbsolute()) {
106            pgPath.addLineTo(pgPath.getCurrentX(), (float)getY());
107        } else {
108            pgPath.addLineTo(pgPath.getCurrentX(), (float)(pgPath.getCurrentY() + getY()));
109        }
110    }
111
112    /**
113     * @treatAsPrivate implementation detail
114     * @deprecated This is an internal API that is not intended for use and will be removed in the next version
115     */
116    @Deprecated
117    @Override
118    public void impl_addTo(Path2D path) {
119        if (isAbsolute()) {
120            path.lineTo(path.getCurrentX(), (float)getY());
121        } else {
122            path.lineTo(path.getCurrentX(), (float)(path.getCurrentY() + getY()));
123        }
124    }
125
126    /**
127     * Returns a string representation of this {@code VLineTo} object.
128     * @return a string representation of this {@code VLineTo} object.
129     */
130    @Override
131    public String toString() {
132        final StringBuilder sb = new StringBuilder("VLineTo[");
133        sb.append("y=").append(getY());
134        return sb.append("]").toString();
135    }
136}