1/* 2 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package sun.java2d.pipe; 27 28import java.awt.Color; 29import java.awt.Image; 30import java.awt.image.BufferedImage; 31import java.awt.image.BufferedImageOp; 32import java.awt.image.ImageObserver; 33import java.awt.geom.AffineTransform; 34import sun.java2d.SunGraphics2D; 35 36/** 37 * This interface defines the set of calls that pipeline objects 38 * can use to pass on responsibility for performing various 39 * image copy commands. 40 * There are 3 types of image copies handled by this class: 41 * - copyImage: These methods simply copy the pixels 42 * from the src to dest, either from (0, 0) (implicit) 43 * or from a given (sx, sy) location. 44 * - scaleImage: These methods copy from src to dest while 45 * scaling the source image. The src and dest rectangles 46 * are used to specify the scale. 47 * - copyImageBg: These methods behave the same as the 48 * copyImage methods except they substitute the given 49 * background color for any transparent pixels. 50 * - scaleImageBg: These methods behave the same as the 51 * scaleImage methods except they substitute the given 52 * background color for any transparent pixels. 53 * - transformImage.... 54 */ 55public interface DrawImagePipe { 56 57 public boolean copyImage(SunGraphics2D sg, Image img, 58 int x, int y, 59 Color bgColor, 60 ImageObserver observer); 61 62 public boolean copyImage(SunGraphics2D sg, Image img, 63 int dx, int dy, int sx, int sy, int w, int h, 64 Color bgColor, 65 ImageObserver observer); 66 67 public boolean scaleImage(SunGraphics2D sg, Image img, int x, int y, 68 int width, int height, 69 Color bgColor, 70 ImageObserver observer); 71 72 public boolean scaleImage(SunGraphics2D sg, Image img, 73 int dx1, int dy1, int dx2, int dy2, 74 int sx1, int sy1, int sx2, int sy2, 75 Color bgColor, 76 ImageObserver observer); 77 78 public boolean transformImage(SunGraphics2D sg, Image img, 79 AffineTransform atfm, 80 ImageObserver observer); 81 82 public void transformImage(SunGraphics2D sg, BufferedImage img, 83 BufferedImageOp op, int x, int y); 84 85 86} 87