1 /* 2 * Copyright (c) 2015, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 import java.awt.Color; 24 import java.awt.Composite; 25 import java.awt.CompositeContext; 26 import java.awt.Graphics2D; 27 import java.awt.RenderingHints; 28 import java.awt.geom.AffineTransform; 29 import java.awt.geom.GeneralPath; 30 import java.awt.image.BufferedImage; 31 import java.awt.image.ColorModel; 32 import java.awt.image.Raster; 33 import java.awt.image.WritableRaster; 34 import java.awt.image.RasterFormatException; 35 36 /** 37 * @test 38 * @bug 8048782 39 * @summary Test program that demonstrates PiscesRendering bug in 40 * OpenJDK 1.7.0.60 (and probably in all other OpenJDK versions, too). 41 */ 42 43 public class OpenJDKFillBug 44 { 45 /** 46 * Test program that demonstrates a bug in OpenJDK 1.7.0.60 (and 47 * probably in all other OpenJDK versions, too). To see the bug, simply run 48 * the 'main' program with OpenJDK. The bug makes the 'g2d.fill' 49 * method fail with the following exception: 50 * 51 * This bug is found in OpenJDK but also is present in OracleJDK 52 * if run with 53 * -Dsun.java2d.renderer=sun.java2d.pisces.PiscesRenderingEngine 54 * 55 * The bug is related to sun.java2d.pisces.PiscesCache constructor 56 * that accepts '(int minx,int miny,int maxx,int maxy)' arguments: 57 * the internal 'bboxX1' and 'bboxY1' are set to values one greater 58 * than given maximum X and Y values. Those maximum values are then 59 * later used in AAShapePipe' class 'renderTiles' method, where a 60 * Y/X loop eventually calls 'GeneralCompositePipe' class 61 * 'renderPathTile' method. In that method, the operation will 62 * eventually call 'IntegerInterleavedRaster' class 63 * 'createWritableChild' method with arguments: 64 * 65 * <UL> 66 * <LI>x=800 67 * <LI>y=0 68 * <LI>width=2 (this value is too high: should be 1) 69 * <LI>height=32 70 * <LI>x0=0 71 * <LI>y0=0 72 * <LI>bandList[]=null 73 * </UL> 74 * 75 * This calls for a sub-raster with bounds that fall outside the 76 * original raster, and therefore the 'createWritableChild' method 77 * correctly throws 'RasterFormatException'. 78 * 79 * The bug is closely related to the use of a custom Composite 80 * implementation, which are quite rare. The application where this 81 * bug was first detected implements a high-quality PDF rendering 82 * engine that needs custom Composite operations to properly 83 * implement PDF advanced color blending and masking operators. 84 */ 85 86 public static void main(String args[]) 87 { 88 BufferedImage bi = new BufferedImage(801,1202, 89 BufferedImage.TYPE_INT_ARGB); 90 Graphics2D g2d = bi.createGraphics(); 91 GeneralPath gp = new GeneralPath(); 92 AffineTransform m = new AffineTransform(2.483489907915543, 93 0.0, 94 0.0, 95 -2.4844977263331955, 96 0.0, 97 1202.0); 98 Composite c = new CustomComposite(); 99 100 gp.moveTo(-4.511, -14.349); 101 gp.lineTo(327.489, -14.349); 102 gp.lineTo(327.489, 494.15); 103 gp.lineTo(-4.511, 494.15); 104 gp.closePath(); 105 106 g2d.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, 107 RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY); 108 g2d.setRenderingHint(RenderingHints.KEY_RENDERING, 109 RenderingHints.VALUE_RENDER_QUALITY); 110 g2d.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING, 111 RenderingHints.VALUE_COLOR_RENDER_QUALITY); 112 g2d.setRenderingHint(RenderingHints.KEY_TEXT_LCD_CONTRAST, 113 Integer.valueOf(140)); 114 g2d.setRenderingHint(RenderingHints.KEY_DITHERING, 115 RenderingHints.VALUE_DITHER_ENABLE); 116 g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, 117 RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT); 118 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, 119 RenderingHints.VALUE_ANTIALIAS_ON); 120 g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, 121 RenderingHints.VALUE_STROKE_NORMALIZE); 122 g2d.setPaint(Color.red); 123 g2d.setComposite(c); 124 g2d.setTransform(m); 125 try { 126 g2d.fill(gp); 127 } catch (RasterFormatException rfe) { 128 System.out.println("Test failed"); 129 throw new RuntimeException("xmax/ymax rounding cause RasterFormatException: " + rfe); 130 } 131 g2d.dispose(); 132 System.out.println("Test passed"); 133 } 134 135 // === CustomComposite === 136 137 /** 138 * Dummy custom Composite implementation. 139 */ 140 141 public static class CustomComposite implements Composite 142 { 143 @Override 144 public CompositeContext createContext(ColorModel srcColorModel, 145 ColorModel dstColorModel, 146 RenderingHints hints) 147 { 148 return new CustomCompositeContext(); 149 } 150 151 // === CustomCompositeContext === 152 153 /** 154 * Dummy custom CompositeContext implementation. 155 */ 156 157 public static class CustomCompositeContext implements CompositeContext 158 { 159 160 @Override 161 public void dispose() 162 { 163 // NOP 164 } 165 166 @Override 167 public void compose(Raster src,Raster dstIn,WritableRaster dstOut) 168 { 169 // NOP 170 } 171 } 172 } 173 }