1 /* 2 * Copyright (c) 1997, 2010, 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.Rectangle; 29 import java.awt.Shape; 30 import sun.java2d.SunGraphics2D; 31 32 /** 33 * This class implements a CompositePipe that renders path alpha tiles 34 * into a destination that supports direct alpha compositing of a solid 35 * color, according to one of the rules in the AlphaComposite class. 36 */ 37 public class AlphaColorPipe implements CompositePipe, ParallelogramPipe { 38 public AlphaColorPipe() { 39 } 40 41 public Object startSequence(SunGraphics2D sg, Shape s, Rectangle dev, 42 int[] abox) { 43 return sg; 44 } 45 46 public boolean needTile(Object context, int x, int y, int w, int h) { 47 return true; 48 } 49 50 public void renderPathTile(Object context, 51 byte[] atile, int offset, int tilesize, 52 int x, int y, int w, int h) { 53 SunGraphics2D sg = (SunGraphics2D) context; 54 55 sg.alphafill.MaskFill(sg, sg.getSurfaceData(), sg.composite, 56 x, y, w, h, 57 atile, offset, tilesize); 58 } 59 60 public void skipTile(Object context, int x, int y) { 61 return; 62 } 63 64 public void endSequence(Object context) { 65 return; 66 } 67 68 public void fillParallelogram(SunGraphics2D sg, 69 double x, double y, 70 double dx1, double dy1, 71 double dx2, double dy2) 72 { 73 sg.alphafill.FillAAPgram(sg, sg.getSurfaceData(), sg.composite, 74 x, y, dx1, dy1, dx2, dy2); 75 } 76 77 public void drawParallelogram(SunGraphics2D sg, 78 double x, double y, 79 double dx1, double dy1, 80 double dx2, double dy2, 81 double lw1, double lw2) 82 { 83 sg.alphafill.DrawAAPgram(sg, sg.getSurfaceData(), sg.composite, 84 x, y, dx1, dy1, dx2, dy2, lw1, lw2); 85 } 86 }