1 /* TexturePaint.java -- 2 Copyright (C) 2002 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 39 package java.awt; 40 41 import gnu.java.awt.java2d.TexturePaintContext; 42 43 import java.awt.geom.AffineTransform; 44 import java.awt.geom.Rectangle2D; 45 import java.awt.image.BufferedImage; 46 import java.awt.image.ColorModel; 47 48 /** 49 * This class provides a way to fill a Shape with a texture that is 50 * specified by a BufferedImage. 51 */ 52 public class TexturePaint implements Paint 53 { 54 private final BufferedImage texture; 55 private final Rectangle2D anchor; 56 57 /** 58 * Constructor. 59 * 60 * @param texture - the texture 61 * @param anchor - the shape 62 */ TexturePaint(BufferedImage texture, Rectangle2D anchor)63 public TexturePaint(BufferedImage texture, Rectangle2D anchor) 64 { 65 this.texture = texture; 66 this.anchor = anchor; 67 } 68 69 /** 70 * Gets the texture image. 71 * 72 * @return the texture 73 */ getImage()74 public BufferedImage getImage() 75 { 76 return texture; 77 } 78 79 /** 80 * Gets the shape anchor. 81 * 82 * @return the shape anchor 83 */ getAnchorRect()84 public Rectangle2D getAnchorRect() 85 { 86 return anchor; 87 } 88 89 /** 90 * Creates the context used to paint the texture. 91 * 92 * @param cm - the ColorModel that receives the Paint data. Used only as a hint. 93 * @param deviceBounds - the device space being rendered. 94 * @param userBounds - the user space being rendered 95 * @param xform - the AffineTransform from user space into device space 96 * @param hints - a RenderingHints object that is used to specify how the 97 * pattern is rendered 98 * @return the paint context used to paint the texture 99 */ createContext(ColorModel cm, Rectangle deviceBounds, Rectangle2D userBounds, AffineTransform xform, RenderingHints hints)100 public PaintContext createContext(ColorModel cm, Rectangle deviceBounds, 101 Rectangle2D userBounds, 102 AffineTransform xform, RenderingHints hints) 103 { 104 // TODO: Maybe add some hook for providing alternative/accelerated 105 // implementations of this. 106 return new TexturePaintContext(this, deviceBounds, userBounds, xform); 107 } 108 109 /** 110 * Returns the transparency mode. 111 * 112 * @return the transparency mode. 113 */ getTransparency()114 public int getTransparency() 115 { 116 return texture.getTransparency(); 117 } 118 } // class TexturePaint 119