author | dlong |
Sun, 27 Jan 2013 01:07:09 -0800 | |
changeset 15483 | 113ca9e9c1bb |
parent 5506 | 202f599c92aa |
child 39056 | d99e63b6d962 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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|
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/* |
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* @test |
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* @bug 6764257 |
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* @summary Tests that the alpha in opaque images doesn't affect result of alpha |
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* compositing |
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* @author Dmitri.Trembovetski@sun.com: area=Graphics |
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* @run main/othervm OpaqueImageToSurfaceBlitTest |
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* @run main/othervm -Dsun.java2d.noddraw=true OpaqueImageToSurfaceBlitTest |
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* @run main/othervm -Dsun.java2d.opengl=True OpaqueImageToSurfaceBlitTest |
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*/ |
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import java.awt.AlphaComposite; |
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import java.awt.Graphics2D; |
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import java.awt.GraphicsConfiguration; |
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import java.awt.GraphicsDevice; |
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import java.awt.GraphicsEnvironment; |
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import java.awt.image.BufferedImage; |
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import java.awt.image.DataBufferInt; |
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import java.awt.image.VolatileImage; |
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public class OpaqueImageToSurfaceBlitTest { |
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public static void main(String[] args) { |
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GraphicsEnvironment ge = |
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GraphicsEnvironment.getLocalGraphicsEnvironment(); |
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GraphicsDevice gd = ge.getDefaultScreenDevice(); |
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GraphicsConfiguration gc = gd.getDefaultConfiguration(); |
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VolatileImage vi = gc.createCompatibleVolatileImage(16, 16); |
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vi.validate(gc); |
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BufferedImage bi = |
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new BufferedImage(2, 2, BufferedImage.TYPE_INT_RGB); |
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int data[] = ((DataBufferInt)bi.getRaster().getDataBuffer()).getData(); |
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data[0] = 0x0000007f; |
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data[1] = 0x0000007f; |
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data[2] = 0xff00007f; |
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data[3] = 0xff00007f; |
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Graphics2D g = vi.createGraphics(); |
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g.setComposite(AlphaComposite.SrcOver.derive(0.999f)); |
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g.drawImage(bi, 0, 0, null); |
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bi = vi.getSnapshot(); |
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if (bi.getRGB(0, 0) != bi.getRGB(1, 1)) { |
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throw new RuntimeException("Test FAILED: color at 0x0 ="+ |
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Integer.toHexString(bi.getRGB(0, 0))+" differs from 1x1 ="+ |
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Integer.toHexString(bi.getRGB(1,1))); |
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} |
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System.out.println("Test PASSED."); |
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} |
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} |