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 26 package sun.java2d.pipe; 27 28 import java.awt.Color; 29 import java.awt.Image; 30 import java.awt.image.BufferedImage; 31 import java.awt.image.BufferedImageOp; 32 import java.awt.image.ImageObserver; 33 import java.awt.geom.AffineTransform; 34 import 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 */ 55 public interface DrawImagePipe { 56 copyImage(SunGraphics2D sg, Image img, int x, int y, Color bgColor, ImageObserver observer)57 public boolean copyImage(SunGraphics2D sg, Image img, 58 int x, int y, 59 Color bgColor, 60 ImageObserver observer); 61 copyImage(SunGraphics2D sg, Image img, int dx, int dy, int sx, int sy, int w, int h, Color bgColor, ImageObserver observer)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 scaleImage(SunGraphics2D sg, Image img, int x, int y, int width, int height, Color bgColor, ImageObserver observer)67 public boolean scaleImage(SunGraphics2D sg, Image img, int x, int y, 68 int width, int height, 69 Color bgColor, 70 ImageObserver observer); 71 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)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 transformImage(SunGraphics2D sg, Image img, AffineTransform atfm, ImageObserver observer)78 public boolean transformImage(SunGraphics2D sg, Image img, 79 AffineTransform atfm, 80 ImageObserver observer); 81 transformImage(SunGraphics2D sg, BufferedImage img, BufferedImageOp op, int x, int y)82 public void transformImage(SunGraphics2D sg, BufferedImage img, 83 BufferedImageOp op, int x, int y); 84 85 86 } 87