Java example source code file (PathConsumer2D.java)

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pathconsumer2d

The PathConsumer2D.java Java example source code

/*
 * Copyright (c) 2007, 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 sun.awt.geom;

public interface PathConsumer2D {
    /**
     * @see java.awt.geom.Path2D.Float.moveTo
     */
    public void moveTo(float x, float y);

    /**
     * @see java.awt.geom.Path2D.Float.lineTo
     */
    public void lineTo(float x, float y);

    /**
     * @see java.awt.geom.Path2D.Float.quadTo
     */
    public void quadTo(float x1, float y1,
                       float x2, float y2);

    /**
     * @see java.awt.geom.Path2D.Float.curveTo
     */
    public void curveTo(float x1, float y1,
                        float x2, float y2,
                        float x3, float y3);

    /**
     * @see java.awt.geom.Path2D.Float.closePath
     */
    public void closePath();

    /**
     * Called after the last segment of the last subpath when the
     * iteration of the path segments is completely done.  This
     * method serves to trigger the end of path processing in the
     * consumer that would normally be triggered when a
     * {@link java.awt.geom.PathIterator PathIterator}
     * returns {@code true} from its {@code done} method.
     */
    public void pathDone();

    /**
     * If a given PathConsumer performs all or most of its work
     * natively then it can return a (non-zero) pointer to a
     * native function vector that defines C functions for all
     * of the above methods.
     * The specific pointer it returns is a pointer to a
     * PathConsumerVec structure as defined in the include file
     * src/share/native/sun/java2d/pipe/PathConsumer2D.h
     * @return a native pointer to a PathConsumerVec structure.
     */
    public long getNativeConsumer();
}