com.sun.javafx.scene.shape.ArcToHelper Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.javafx.scene.shape;
import com.sun.javafx.geom.Path2D;
import com.sun.javafx.util.Utils;
import javafx.scene.shape.ArcTo;
import javafx.scene.shape.PathElement;
/**
* Used to access internal methods of ArcTo.
*/
public class ArcToHelper extends PathElementHelper {
private static final ArcToHelper theInstance;
private static ArcToAccessor arcToAccessor;
static {
theInstance = new ArcToHelper();
Utils.forceInit(ArcTo.class);
}
private static ArcToHelper getInstance() {
return theInstance;
}
public static void initHelper(ArcTo arcTo) {
setHelper(arcTo, getInstance());
}
@Override
protected void addToImpl(PathElement pathElement, Path2D path) {
arcToAccessor.doAddTo(pathElement, path);
}
public static void setArcToAccessor(final ArcToAccessor newAccessor) {
if (arcToAccessor != null) {
throw new IllegalStateException();
}
arcToAccessor = newAccessor;
}
public interface ArcToAccessor {
void doAddTo(PathElement pathElement, Path2D path);
}
}