JDK8/Java8源码在线阅读

/*
 * Copyright (c) 1997, 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
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 */

package sun.java2d.pipe;

import sun.java2d.SunGraphics2D;

/**
 * This interface defines the set of calls that pipeline objects
 * can use to pass on responsibility for drawing various basic
 * geometric figures defined by explicit integer coordinates.
 * Typically this interface will be used for communication when
 * the coordinates of the rendering have been narrowed down to
 * actual device pixels, or for communication of untransformed
 * coordinates when the coordinates were specified using integers.
 * This interface does not cover all of the rendering calls that
 * are possible in Graphics since many of the rendering calls can
 * be transformed into one or more variants of these calls.
 */
public interface PixelDrawPipe {
    public void drawLine(SunGraphics2D sg,
                         int x1, int y1, int x2, int y2);

    public void drawRect(SunGraphics2D sg,
                         int x, int y, int width, int height);

    public void drawRoundRect(SunGraphics2D sg,
                              int x, int y, int width, int height,
                              int arcWidth, int arcHeight);

    public void drawOval(SunGraphics2D sg,
                         int x, int y, int width, int height);

    public void drawArc(SunGraphics2D sg,
                        int x, int y, int width, int height,
                        int startAngle, int arcAngle);


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