1 /* Paint.java -- generate colors for Graphics2D operations 2 Copyright (C) 2000, 2002 Free Software Foundation 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 java.awt.geom.AffineTransform; 42 import java.awt.geom.Rectangle2D; 43 import java.awt.image.ColorModel; 44 45 /** 46 * Defines how color patterns are generated for Graphics2D operations. This 47 * is used to perform the <code>draw</code> and <code>fill</code> methods 48 * of the graphics object. Instances must be immutable, because the graphics 49 * object does not clone them. 50 * 51 * @author Warren Levy (warrenl@cygnus.com) 52 * @see PaintContext 53 * @see Color 54 * @see GradientPaint 55 * @see TexturePaint 56 * @see Graphics2D#setPaint(Paint) 57 * @since 1.1 58 * @status updated to 1.4 59 */ 60 public interface Paint extends Transparency 61 { 62 /** 63 * Create the context necessary for performing the color pattern generation. 64 * The color model is a hint, and may be null for Classpath implementations; 65 * however some legacy code may throw a NullPointerException when passed a 66 * null. Leaving the color model null provides the most efficiency and leeway 67 * in the generation of the color pattern. 68 * 69 * @param cm the color model, used as a hint 70 * @param deviceBounds the device space bounding box of the painted area 71 * @param userBounds the user space bounding box of the painted area 72 * @param xform the transformation from user space to device space 73 * @param hints any hints for choosing between rendering alternatives 74 * @return the context for performing the paint 75 */ createContext(ColorModel cm, Rectangle deviceBounds, Rectangle2D userBounds, AffineTransform xform, RenderingHints hints)76 PaintContext createContext(ColorModel cm, Rectangle deviceBounds, 77 Rectangle2D userBounds, AffineTransform xform, 78 RenderingHints hints); 79 } // interface Paint 80