001 /* TexturePaint.java -- 002 Copyright (C) 2002 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package java.awt; 040 041 import gnu.java.awt.java2d.TexturePaintContext; 042 043 import java.awt.geom.AffineTransform; 044 import java.awt.geom.Rectangle2D; 045 import java.awt.image.BufferedImage; 046 import java.awt.image.ColorModel; 047 048 /** 049 * This class provides a way to fill a Shape with a texture that is 050 * specified by a BufferedImage. 051 */ 052 public class TexturePaint implements Paint 053 { 054 private final BufferedImage texture; 055 private final Rectangle2D anchor; 056 057 /** 058 * Constructor. 059 * 060 * @param texture - the texture 061 * @param anchor - the shape 062 */ 063 public TexturePaint(BufferedImage texture, Rectangle2D anchor) 064 { 065 this.texture = texture; 066 this.anchor = anchor; 067 } 068 069 /** 070 * Gets the texture image. 071 * 072 * @return the texture 073 */ 074 public BufferedImage getImage() 075 { 076 return texture; 077 } 078 079 /** 080 * Gets the shape anchor. 081 * 082 * @return the shape anchor 083 */ 084 public Rectangle2D getAnchorRect() 085 { 086 return anchor; 087 } 088 089 /** 090 * Creates the context used to paint the texture. 091 * 092 * @param cm - the ColorModel that receives the Paint data. Used only as a hint. 093 * @param deviceBounds - the device space being rendered. 094 * @param userBounds - the user space being rendered 095 * @param xform - the AffineTransform from user space into device space 096 * @param hints - a RenderingHints object that is used to specify how the 097 * pattern is rendered 098 * @return the paint context used to paint the texture 099 */ 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 */ 114 public int getTransparency() 115 { 116 return texture.getTransparency(); 117 } 118 } // class TexturePaint