--- old/src/java.desktop/unix/classes/sun/java2d/xr/XRDrawLine.java 2020-01-14 12:29:30.453174745 -0800 +++ new/src/java.desktop/unix/classes/sun/java2d/xr/XRDrawLine.java 2020-01-14 12:29:30.245174750 -0800 @@ -222,7 +222,7 @@ outcode2 = outcode(x2, y2, cxmin, cymin, cxmax, cymax); while ((outcode1 | outcode2) != 0) { - int xsteps = 0, ysteps = 0; + long xsteps = 0, ysteps = 0; if ((outcode1 & outcode2) != 0) { return false; @@ -247,7 +247,7 @@ if (dx < 0) { xsteps = -xsteps; } - x1 = ucX1 + xsteps; + x1 = ucX1 + (int) xsteps; } else if ((outcode1 & (OUTCODE_LEFT | OUTCODE_RIGHT)) != 0) { if ((outcode1 & OUTCODE_LEFT) != 0) { x1 = cxmin; @@ -266,7 +266,7 @@ if (dy < 0) { ysteps = -ysteps; } - y1 = ucY1 + ysteps; + y1 = ucY1 + (int) ysteps; } outcode1 = outcode(x1, y1, cxmin, cymin, cxmax, cymax); } else { @@ -290,7 +290,7 @@ if (dx > 0) { xsteps = -xsteps; } - x2 = ucX2 + xsteps; + x2 = ucX2 + (int) xsteps; } else if ((outcode2 & (OUTCODE_LEFT | OUTCODE_RIGHT)) != 0) { if ((outcode2 & OUTCODE_LEFT) != 0) { x2 = cxmin; @@ -311,7 +311,7 @@ if (dy > 0) { ysteps = -ysteps; } - y2 = ucY2 + ysteps; + y2 = ucY2 + (int) ysteps; } outcode2 = outcode(x2, y2, cxmin, cymin, cxmax, cymax); } --- /dev/null 2019-11-20 12:12:33.927313708 -0800 +++ new/test/jdk/java/awt/Graphics/DrawLineTest.java 2020-01-14 12:29:30.753174736 -0800 @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2020, 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 + @key headful + @bug 8235904 + @run main/othervm/timeout=60 DrawLineTest +*/ + +import java.awt.EventQueue; +import java.awt.Frame; +import java.awt.Graphics; +import java.awt.Image; + +public class DrawLineTest extends Frame { + + volatile static boolean done = false; + + public static void main(String[] args) throws Exception { + + EventQueue.invokeLater(() -> { + DrawLineTest frame = new DrawLineTest(); + frame.setVisible(true); + Image img = frame.createVolatileImage(1000, 1000); + img.getGraphics().drawLine(0, 0, 34005, 34005); + done = true; + frame.setVisible(false); + frame.dispose(); + return; + }); + + int cnt=0; + while (!done && (cnt++ < 60)) { + try { + Thread.sleep(1000); + } catch (InterruptedException e) { + } + } + + if (!done) { + // jtreg will shutdown the test properly + if ((System.getProperty("test.src") != null)) { + throw new RuntimeException("Test Failed"); + } else { + // Not to be used in jtreg + System.out.println("Test failed."); + Runtime.getRuntime().halt(-1); + } + } + return; + } +}