| /* |
| * Copyright (c) 2013, 2016, 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. |
| */ |
| |
| import java.awt.*; |
| import java.awt.image.*; |
| import java.util.*; |
| import javax.swing.*; |
| |
| /** |
| * @test |
| * @key headful |
| * @bug 8024895 |
| * @summary tests if changing extra alpha values are honored for transformed blits |
| * @author ceisserer |
| */ |
| public class EABlitTest extends Frame { |
| protected void test() { |
| BufferedImage srcImg = createSrcImage(); |
| Image dstImg = getGraphicsConfiguration().createCompatibleVolatileImage(20, 50); |
| |
| //be over-cautious and render twice to avoid BI caching issues |
| renderToVI(srcImg, dstImg); |
| renderToVI(srcImg, dstImg); |
| |
| BufferedImage validationImg = new BufferedImage(20, 50, BufferedImage.TYPE_INT_RGB); |
| Graphics2D valG = (Graphics2D) validationImg.getGraphics(); |
| valG.drawImage(dstImg, 0, 0, null); |
| |
| //Loop over all pixel, and count the different pixel values encountered. |
| TreeSet<Integer> colorCntSet = new TreeSet<>(); |
| for (int x=0; x < validationImg.getWidth(); x++) { |
| for (int y=0; y < validationImg.getHeight(); y++) { |
| int rgb = validationImg.getRGB(x, y); |
| colorCntSet.add(rgb); |
| } |
| } |
| |
| //Check if we encountered 3 different color values in total |
| if (colorCntSet.size() == 3) { |
| System.out.println("Passed!"); |
| } else { |
| throw new RuntimeException("Test FAILED!"); |
| } |
| } |
| |
| protected void renderToVI(BufferedImage src, Image dst) { |
| Graphics2D g = (Graphics2D) dst.getGraphics(); |
| |
| g.setColor(Color.WHITE); |
| g.fillRect(0, 0, 50, 50); |
| g.rotate(0.5f); |
| g.setRenderingHint(RenderingHints.KEY_RENDERING, |
| RenderingHints.VALUE_RENDER_QUALITY); |
| |
| g.setComposite(AlphaComposite.SrcOver.derive(1f)); |
| g.drawImage(src, 10, 10, null); |
| |
| g.setComposite(AlphaComposite.SrcOver.derive(0.5f)); |
| g.drawImage(src, 20, 20, null); |
| } |
| |
| protected BufferedImage createSrcImage() { |
| BufferedImage bi = new BufferedImage(10, 10, BufferedImage.TYPE_INT_RGB); |
| Graphics2D g = (Graphics2D) bi.getGraphics(); |
| g.setColor(Color.YELLOW); |
| g.fillRect(0, 0, 10, 10); |
| return bi; |
| } |
| |
| public static void main(String[] args) { |
| new EABlitTest().test(); |
| } |
| } |