| /* |
| * Copyright (c) 2007, 2008, 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 6764257 |
| * @summary Tests that the alpha in opaque images doesn't affect result of alpha |
| * compositing |
| * @author Dmitri.Trembovetski@sun.com: area=Graphics |
| * @run main/othervm OpaqueImageToSurfaceBlitTest |
| * @run main/othervm -Dsun.java2d.noddraw=true OpaqueImageToSurfaceBlitTest |
| * @run main/othervm -Dsun.java2d.opengl=True OpaqueImageToSurfaceBlitTest |
| */ |
| |
| import java.awt.AlphaComposite; |
| import java.awt.Graphics2D; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.GraphicsDevice; |
| import java.awt.GraphicsEnvironment; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.DataBufferInt; |
| import java.awt.image.VolatileImage; |
| |
| public class OpaqueImageToSurfaceBlitTest { |
| |
| public static void main(String[] args) { |
| |
| GraphicsEnvironment ge = |
| GraphicsEnvironment.getLocalGraphicsEnvironment(); |
| GraphicsDevice gd = ge.getDefaultScreenDevice(); |
| GraphicsConfiguration gc = gd.getDefaultConfiguration(); |
| VolatileImage vi = gc.createCompatibleVolatileImage(16, 16); |
| vi.validate(gc); |
| |
| BufferedImage bi = |
| new BufferedImage(2, 2, BufferedImage.TYPE_INT_RGB); |
| int data[] = ((DataBufferInt)bi.getRaster().getDataBuffer()).getData(); |
| data[0] = 0x0000007f; |
| data[1] = 0x0000007f; |
| data[2] = 0xff00007f; |
| data[3] = 0xff00007f; |
| Graphics2D g = vi.createGraphics(); |
| g.setComposite(AlphaComposite.SrcOver.derive(0.999f)); |
| g.drawImage(bi, 0, 0, null); |
| |
| bi = vi.getSnapshot(); |
| if (bi.getRGB(0, 0) != bi.getRGB(1, 1)) { |
| throw new RuntimeException("Test FAILED: color at 0x0 ="+ |
| Integer.toHexString(bi.getRGB(0, 0))+" differs from 1x1 ="+ |
| Integer.toHexString(bi.getRGB(1,1))); |
| } |
| |
| System.out.println("Test PASSED."); |
| } |
| } |