1: /* PaintContext.java -- the environment for performing a paint operation 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.image.ColorModel; 42: import java.awt.image.Raster; 43: 44: /** 45: * @author Warren Levy (warrenl@cygnus.com) 46: * @see Paint 47: * @since 1.1 48: * @status updated to 1.4 49: */ 50: public interface PaintContext 51: { 52: /** 53: * Release the resources allocated for the paint. 54: */ 55: void dispose(); 56: 57: /** 58: * Return the color model of this context. It may be different from the 59: * hint specified during createContext, as not all contexts can generate 60: * color patterns in an arbitrary model. 61: * 62: * @return the context color model 63: */ 64: ColorModel getColorModel(); 65: 66: /** 67: * Return a raster containing the colors for the graphics operation. 68: * 69: * @param x the x-coordinate, in device space 70: * @param y the y-coordinate, in device space 71: * @param w the width, in device space 72: * @param h the height, in device space 73: * @return a raster for the given area and color 74: */ 75: Raster getRaster(int x, int y, int w, int h); 76: } // interface PaintContext