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
028import javafx.beans.property.DoubleProperty;
029import javafx.beans.property.DoublePropertyBase;
030
031import com.sun.javafx.geom.Path2D;
032import com.sun.javafx.sg.PGPath;
033
034
035/**
036 * Creates a horizontal line path element from the current point to x.
037 *
038 * <p>For more information on path elements see the {@link Path} and
039 * {@link PathElement} classes.
040 *
041 * <p>Example:
042 *
043<PRE>
044import javafx.scene.shape.*;
045
046Path path = new Path();
047path.getElements().add(new MoveTo(0.0f, 0.0f));
048path.getElements().add(new HLineTo(80.0f));
049</PRE>
050 */
051public class HLineTo extends PathElement {
052
053    /**
054     * Creates an empty instance of HLineTo.
055     */
056    public HLineTo() {
057    }
058
059    /**
060     * Creates an instance of HLineTo.
061     * @param x the horizontal coordinate to line to
062     */
063    public HLineTo(double x) {
064        setX(x);
065    }
066
067    /**
068     * Defines the X coordinate.
069     *
070     * @defaultValue 0.0
071     */
072    private DoubleProperty x = new DoublePropertyBase() {
073
074        @Override
075        public void invalidated() {
076            u();
077        }
078
079        @Override
080        public Object getBean() {
081            return HLineTo.this;
082        }
083
084        @Override
085        public String getName() {
086            return "x";
087        }
088    };
089
090
091    public final void setX(double value) {
092        x.set(value);
093    }
094
095    public final double getX() {
096        return x.get();
097    }
098
099    public final DoubleProperty xProperty() {
100        return x;
101    }
102
103    @Override
104    void addTo(PGPath pgPath) {
105        if (isAbsolute()) {
106            pgPath.addLineTo((float)getX(), pgPath.getCurrentY());
107        } else {
108            pgPath.addLineTo((float)(pgPath.getCurrentX() + getX()), pgPath.getCurrentY());
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((float)getX(), path.getCurrentY());
121        } else {
122            path.lineTo((float)(path.getCurrentX() + getX()), path.getCurrentY());
123        }
124    }
125
126    /**
127     * Returns a string representation of this {@code HLineTo} object.
128     * @return a string representation of this {@code HLineTo} object.
129     */
130    @Override
131    public String toString() {
132        final StringBuilder sb = new StringBuilder("HLineTo[");
133        sb.append("x=").append(getX());
134        return sb.append("]").toString();
135    }
136}
137