/* * Copyright (c) 2001, 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.pipe; import java.awt.Color;import java.awt.Image;import java.awt.image.BufferedImage;import java.awt.image.BufferedImageOp;import java.awt.image.ImageObserver;import java.awt.geom.AffineTransform;import sun.java2d.SunGraphics2D; /** * This interface defines the set of calls that pipeline objects * can use to pass on responsibility for performing various * image copy commands. * There are 3 types of image copies handled by this class: *    - copyImage: These methods simply copy the pixels *      from the src to dest, either from (0, 0) (implicit) *      or from a given (sx, sy) location. *    - scaleImage: These methods copy from src to dest while *      scaling the source image.  The src and dest rectangles *      are used to specify the scale. *    - copyImageBg: These methods behave the same as the *      copyImage methods except they substitute the given *      background color for any transparent pixels. *    - scaleImageBg: These methods behave the same as the *      scaleImage methods except they substitute the given *      background color for any transparent pixels. *    - transformImage.... */public interface DrawImagePipe {     public boolean copyImage(SunGraphics2D sg, Image img,                             int x, int y,                             Color bgColor,                             ImageObserver observer);     public boolean copyImage(SunGraphics2D sg, Image img,                             int dx, int dy, int sx, int sy, int w, int h,                             Color bgColor,                             ImageObserver observer);     public boolean scaleImage(SunGraphics2D sg, Image img, int x, int y,                              int width, int height,                              Color bgColor,                              ImageObserver observer);     public boolean scaleImage(SunGraphics2D sg, Image img,                              int dx1, int dy1, int dx2, int dy2,                              int sx1, int sy1, int sx2, int sy2,                              Color bgColor,                              ImageObserver observer);     public boolean transformImage(SunGraphics2D sg, Image img,                                  AffineTransform atfm,                                  ImageObserver observer);     public void transformImage(SunGraphics2D sg, BufferedImage img,                               BufferedImageOp op, int x, int y);  }