| /* |
| * Copyright (c) 2006, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 6372340 |
| * @summary Checks for infinite loop and OOM bugs dealing with Quad curves. |
| * @run main/timeout=20/othervm QuadCurveOOMBug |
| */ |
| |
| import java.awt.Shape; |
| import java.awt.geom.Area; |
| import java.awt.geom.GeneralPath; |
| import java.awt.geom.PathIterator; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| |
| public class QuadCurveOOMBug { |
| public static final String SEG_CLOSE = " SEG_CLOSE"; |
| public static final String SEG_CUBICTO = " SEG_CUBICTO"; |
| public static final String SEG_LINETO = " SEG_LINETO"; |
| public static final String SEG_MOVETO = " SEG_MOVETO"; |
| public static final String SEG_QUADTO = " SEG_QUADTO"; |
| |
| public static final byte[] strokedLineToSubtract = { |
| 0, 11, 32, 83, 69, 71, 95, 77, 79, 86, |
| 69, 84, 79, 68, 117, 7, -63, 67, 15, 6, |
| 87, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 117, 31, 16, 67, 15, |
| 23, 5, 0, 11, 32, 83, 69, 71, 95, 81, |
| 85, 65, 68, 84, 79, 68, 117, 68, -12, 67, |
| 15, 50, 54, 68, 117, 103, 16, 67, 15, 50, |
| 59, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 117, 110, 14, 67, 15, |
| 50, 59, 0, 11, 32, 83, 69, 71, 95, 81, |
| 85, 65, 68, 84, 79, 68, 117, -56, 26, 67, |
| 15, 48, -15, 68, 118, 22, 75, 67, 14, 112, |
| 95, 0, 11, 32, 83, 69, 71, 95, 81, 85, |
| 65, 68, 84, 79, 68, 118, 61, 115, 67, 14, |
| 15, 10, 68, 118, 94, 93, 67, 13, 127, -74, |
| 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, |
| 69, 84, 79, 68, 118, 103, -80, 67, 13, 87, |
| 15, 0, 11, 32, 83, 69, 71, 95, 81, 85, |
| 65, 68, 84, 79, 68, 118, 21, -76, 67, 14, |
| -81, -105, 68, 117, -100, -84, 67, 14, -72, 72, |
| 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, |
| 69, 84, 79, 68, 117, -88, 84, 67, 14, -72, |
| 72, 0, 11, 32, 83, 69, 71, 95, 81, 85, |
| 65, 68, 84, 79, 68, 117, 108, 85, 67, 14, |
| -73, 106, 68, 117, 53, 117, 67, 14, 74, |
| -61, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, |
| 69, 84, 79, 68, 117, 72, 27, 67, 14, 112, |
| 14, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 118, 87, -51, 67, 5, |
| -16, 100, 0, 11, 32, 83, 69, 71, 95, 76, |
| 73, 78, 69, 84, 79, 68, 118, 69, 39, 67, |
| 5, -53, 25, 0, 11, 32, 83, 69, 71, 95, |
| 81, 85, 65, 68, 84, 79, 68, 117, -5, -93, |
| 67, 5, 57, 38, 68, 117, -88, 84, 67, 5, |
| 56, 72, 0, 11, 32, 83, 69, 71, 95, 76, |
| 73, 78, 69, 84, 79, 68, 117, -100, -84, 67, |
| 5, 56, 72, 0, 11, 32, 83, 69, 71, 95, |
| 81, 85, 65, 68, 84, 79, 68, 117, 12, 86, |
| 67, 5, 64, -7, 68, 116, -89, -76, 67, |
| 6, -22, -51, 0, 11, 32, 83, 69, 71, 95, 76, |
| 73, 78, 69, 84, 79, 68, 116, -98, 97, 67, |
| 7, 19, 116, 0, 11, 32, 83, 69, 71, 95, |
| 81, 85, 65, 68, 84, 79, 68, 116, -75, -100, |
| 67, 6, -83, -7, 68, 116, -44, -9, 67, 6, |
| 95, -59, 0, 11, 32, 83, 69, 71, 95, 81, |
| 85, 65, 68, 84, 79, 68, 117, 26, -119, 67, |
| 5, -76, 14, 68, 117, 110, 14, 67, 5, -78, |
| 59, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 117, 103, 16, 67, 5, |
| -78, 59, 0, 11, 32, 83, 69, 71, 95, 81, |
| 85, 65, 68, 84, 79, 68, 117, 122, -71, 67, |
| 5, -78, 22, 68, 117, -119, -60, 67, 5, -68, |
| -61, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 117, 114, 117, 67, 5, |
| -84, 21, 0, 11, 32, 83, 69, 71, 95, 76, |
| 73, 78, 69, 84, 79, 68, 117, 7, -63, 67, |
| 15, 6, 87, 0, 10, 32, 83, 69, 71, 95, |
| 67, 76, 79, 83, 69, |
| }; |
| |
| public static final byte[] negSpace = { |
| 0, 11, 32, 83, 69, 71, 95, 77, 79, 86, |
| 69, 84, 79, 68, 116, -33, -12, 67, 4, 30, |
| -23, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 118, 59, 73, 67, 6, |
| -43, -109, 0, 11, 32, 83, 69, 71, 95, 76, |
| 73, 78, 69, 84, 79, 68, 117, 100, -97, 67, |
| 13, -118, -32, 0, 11, 32, 83, 69, 71, 95, |
| 76, 73, 78, 69, 84, 79, 68, 116, 9, 75, |
| 67, 10, -44, 54, 0, 10, 32, 83, 69, 71, |
| 95, 67, 76, 79, 83, 69, |
| }; |
| |
| public static final byte[] strokedLineToAdd = { |
| 0, 11, 32, 83, 69, 71, 95, 77, 79, 86, |
| 69, 84, 79, 68, 98, -100, -76, 67, -85, -36, |
| 6, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 98, -76, 4, 67, -85, |
| -48, 21, 0, 11, 32, 83, 69, 71, 95, 81, |
| 85, 65, 68, 84, 79, 68, 98, -102, -29, 67, |
| -85, -36, -5, 68, 98, -112, 107, 67, -85, |
| -35, 5, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 98, -84, 99, 67, -85, |
| -35, 5, 0, 11, 32, 83, 69, 71, 95, 81, |
| 85, 65, 68, 84, 79, 68, 98, -87, 1, 67, |
| -85, -35, 1, 68, 98, -107, -10, 67, -85, -43, |
| 23, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 98, -95, -98, 67, -85, |
| -39, -11, 0, 11, 32, 83, 69, 71, 95, 81, |
| 85, 65, 68, 84, 79, 68, 98, -53, -8, 67, |
| -85, -21, -99, 68, 98, -10, -6, 67, -85, |
| -21, -95, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 99, 2, -94, 67, -85, |
| -21, -95, 0, 11, 32, 83, 69, 71, 95, 81, |
| 85, 65, 68, 84, 79, 68, 98, -56, -104, 67, |
| -85, -21, 61, 68, 98, -109, 28, 67, -85, -73, |
| -35, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 98, -91, -62, 67, -85, |
| -55, -22, 0, 11, 32, 83, 69, 71, 95, 76, |
| 73, 78, 69, 84, 79, 68, 99, -82, -62, 67, |
| -89, -125, 126, 0, 11, 32, 83, 69, 71, 95, |
| 76, 73, 78, 69, 84, 79, 68, 99, -100, 28, |
| 67, -89, 113, 113, 0, 11, 32, 83, 69, 71, |
| 95, 81, 85, 65, 68, 84, 79, 68, 99, 83, |
| -6, 67, -89, 44, 5, 68, 99, 2, -94, 67, |
| -89, 43, -95, 0, 11, 32, 83, 69, 71, 95, |
| 76, 73, 78, 69, 84, 79, 68, 98, -10, -6, |
| 67, -89, 43, -95, 0, 11, 32, 83, 69, 71, |
| 95, 81, 85, 65, 68, 84, 79, 68, 99, 10, |
| -82, 67, -89, 43, -91, 68, 99, 29, -72, 67, |
| -89, 51, -113, 0, 11, 32, 83, 69, 71, 95, |
| 76, 73, 78, 69, 84, 79, 68, 99, 18, 16, |
| 67, -89, 46, -79, 0, 11, 32, 83, 69, 71, |
| 95, 81, 85, 65, 68, 84, 79, 68, 98, -25, |
| -73, 67, -89, 29, 9, 68, 98, -84, 99, 67, |
| -89, 29, 5, 0, 11, 32, 83, 69, 71, 95, |
| 76, 73, 78, 69, 84, 79, 68, 98, -112, 107, |
| 67, -89, 29, 5, 0, 11, 32, 83, 69, 71, |
| 95, 81, 85, 65, 68, 84, 79, 68, 98, 78, |
| 121, 67, -89, 28, -15, 68, 98, 29, -110, 67, |
| -89, 53, -27, 0, 11, 32, 83, 69, 71, 95, |
| 76, 73, 78, 69, 84, 79, 68, 98, 6, 66, |
| 67, -89, 65, -42, 0, 11, 32, 83, 69, 71, |
| 95, 76, 73, 78, 69, 84, 79, 68, 98, -100, |
| -76, 67, -85, -36, 6, 0, 10, 32, 83, 69, |
| 71, 95, 67, 76, 79, 83, 69, |
| }; |
| |
| public static final byte[] shapeAdded = { |
| 0, 11, 32, 83, 69, 71, 95, 77, 79, 86, |
| 69, 84, 79, 68, 102, 54, -63, 67, -84, -102, |
| 29, 0, 11, 32, 83, 69, 71, 95, 76, 73, 78, |
| 69, 84, 79, 68, 96, -120, 114, 67, -94, |
| 2, 48, 0, 11, 32, 83, 69, 71, 95, 76, 73, |
| 78, 69, 84, 79, 68, 94, -119, 0, 67, |
| -86, 67, -25, 0, 10, 32, 83, 69, 71, 95, |
| 67, 76, 79, 83, 69, |
| }; |
| |
| public static void main(String[] args) { |
| // Reversing the order of these try blocks has no effect. |
| try { |
| testAdd(); |
| } catch (IOException ioe) { |
| ioe.printStackTrace(); |
| } |
| |
| try { |
| testSubtract(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| private static void testSubtract() throws IOException |
| { |
| Shape lineShape = loadShape(strokedLineToSubtract, "Line"); |
| Shape negShape = loadShape(negSpace, "Space"); |
| Area lineArea = new Area(lineShape); |
| Area negArea = new Area(negShape); |
| System.err.println("Attempting to subtract ... "); |
| lineArea.subtract(negArea); // This is what throws the OutOfMemoryError |
| System.err.println("Subtraction succeeded."); |
| } |
| |
| private static void testAdd() throws IOException |
| { |
| Shape lineShape = loadShape(strokedLineToAdd, "Line"); |
| Shape negShape = loadShape(shapeAdded, "Space"); |
| Area lineArea = new Area(lineShape); |
| Area negArea = new Area(negShape); |
| System.err.println("Attempting to add ... "); |
| lineArea.add(negArea); // This is what throws the OutOfMemoryError |
| System.err.println("Addition succeeded."); |
| } |
| |
| /** |
| * Although this method isn't used by this test case, this is the method |
| * used to create the two data sets that the test case uses. |
| * @param name The name to give to the variable |
| * @param shape |
| */ |
| public static void saveShapeData(Shape shape, String name) |
| { |
| ByteArrayOutputStream byteStream = new ByteArrayOutputStream(); |
| DataOutputStream os = new DataOutputStream(byteStream); |
| try { |
| saveShapeToStream(shape, os); |
| System.out.println("\npublic static final byte[] " + |
| name + " = {\n"); |
| byte[] data = byteStream.toByteArray(); |
| int ii=0; |
| for (byte bt : data) |
| System.out.print(" " + Byte.toString(bt) + "," + |
| ((++ii)%20==0? "\n":"")); |
| System.out.println("};"); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| private static void saveShapeToStream(Shape shape, DataOutputStream pOs) |
| throws IOException |
| { |
| PathIterator iter = shape.getPathIterator(null); |
| float[] coords = new float[6]; |
| while(!iter.isDone()) { |
| int type = iter.currentSegment(coords); |
| switch(type) { |
| case PathIterator.SEG_CLOSE: |
| pOs.writeUTF(SEG_CLOSE); |
| break; |
| case PathIterator.SEG_CUBICTO: |
| pOs.writeUTF(SEG_CUBICTO); |
| for (float coord : coords) |
| pOs.writeFloat(coord); |
| break; |
| case PathIterator.SEG_LINETO: |
| pOs.writeUTF(SEG_LINETO); |
| pOs.writeFloat(coords[0]); |
| pOs.writeFloat(coords[1]); |
| break; |
| case PathIterator.SEG_MOVETO: |
| pOs.writeUTF(SEG_MOVETO); |
| pOs.writeFloat(coords[0]); |
| pOs.writeFloat(coords[1]); |
| break; |
| case PathIterator.SEG_QUADTO: |
| pOs.writeUTF(SEG_QUADTO); |
| for (int ii=0; ii<4; ++ii) |
| pOs.writeFloat(coords[ii]); |
| break; |
| default: |
| System.err.print(" UNKNOWN:" + type); |
| break; |
| } |
| iter.next(); |
| } |
| } |
| |
| |
| public static Shape loadShape(byte[] fileData, String name) |
| throws IOException |
| { |
| System.out.println("\n\n" + name + ":"); |
| GeneralPath path = new GeneralPath(); |
| path.setWindingRule(GeneralPath.WIND_NON_ZERO); |
| DataInputStream is=null; |
| is = new DataInputStream(new ByteArrayInputStream(fileData)); |
| float[] coords = new float[6]; |
| while (is.available()>0) |
| { |
| String type = is.readUTF(); |
| System.out.print("\n" + type + "\n "); |
| if (type.equals(SEG_CLOSE)) { |
| path.closePath(); |
| } else if (type.equals(SEG_CUBICTO)) { |
| for (int ii=0; ii<6; ++ii) |
| coords[ii] = readFloat(is); |
| path.curveTo(coords[0], coords[1], |
| coords[2], coords[3], |
| coords[4], coords[5]); |
| } else if (type.equals(SEG_LINETO)) { |
| for (int ii=0; ii<2; ++ii) |
| coords[ii] = readFloat(is); |
| path.lineTo(coords[0], coords[1]); |
| } else if (type.equals(SEG_MOVETO)) { |
| for (int ii=0; ii<2; ++ii) |
| coords[ii] = readFloat(is); |
| path.moveTo(coords[0], coords[1]); |
| } else if (type.equals(SEG_QUADTO)) { |
| for (int ii=0; ii<4; ++ii) |
| coords[ii] = readFloat(is); |
| path.quadTo(coords[0], coords[1], coords[2], coords[3]); |
| } |
| } |
| return path; |
| } |
| |
| /** |
| * This call reads all the float values and prints them out. |
| * @param is |
| * @return |
| * @throws IOException |
| */ |
| private static float readFloat(DataInputStream is) throws IOException |
| { |
| float ft = is.readFloat(); |
| System.out.print("" + ft + ", "); |
| return ft; |
| } |
| } |
