| /* |
| * 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.java2d.pisces; |
| |
| /** |
| * The <code>LineSink</code> interface accepts a series of line |
| * drawing commands: <code>moveTo</code>, <code>lineTo</code>, |
| * <code>close</code> (equivalent to a <code>lineTo</code> command |
| * with an argument equal to the argument of the last |
| * <code>moveTo</code> command), and <code>end</code>. |
| * |
| * <p> A <code>Flattener</code> may be used to connect a general path |
| * source to a <code>LineSink</code>. |
| * |
| * <p> The <code>Renderer</code> class implements the |
| * <code>LineSink</code> interface. |
| * |
| */ |
| public abstract class LineSink { |
| |
| /** |
| * Moves the current drawing position to the point <code>(x0, |
| * y0)</code>. |
| * |
| * @param x0 the X coordinate in S15.16 format |
| * @param y0 the Y coordinate in S15.16 format |
| */ |
| public abstract void moveTo(int x0, int y0); |
| |
| /** |
| * Provides a hint that the current segment should be joined to |
| * the following segment using an explicit miter or round join if |
| * required. |
| * |
| * <p> An application-generated path will generally have no need |
| * to contain calls to this method; they are typically introduced |
| * by a <code>Flattener</code> to mark segment divisions that |
| * appear in its input, and consumed by a <code>Stroker</code> |
| * that is responsible for emitting the miter or round join |
| * segments. |
| * |
| * <p> Other <code>LineSink</code> classes should simply pass this |
| * hint to their output sink as needed. |
| */ |
| public abstract void lineJoin(); |
| |
| /** |
| * Draws a line from the current drawing position to the point |
| * <code>(x1, y1)</code> and sets the current drawing position to |
| * <code>(x1, y1)</code>. |
| * |
| * @param x1 the X coordinate in S15.16 format |
| * @param y1 the Y coordinate in S15.16 format |
| */ |
| public abstract void lineTo(int x1, int y1); |
| |
| /** |
| * Closes the current path by drawing a line from the current |
| * drawing position to the point specified by the moset recent |
| * <code>moveTo</code> command. |
| */ |
| public abstract void close(); |
| |
| /** |
| * Ends the current path. It may be necessary to end a path in |
| * order to allow end caps to be drawn. |
| */ |
| public abstract void end(); |
| |
| } |