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Java example source code file (AcceleratedScaleTest.java)
The AcceleratedScaleTest.java Java example source code/* * Copyright (c) 2006, 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. */ import java.awt.Color; import java.awt.Frame; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.GraphicsConfiguration; import java.awt.GraphicsEnvironment; import java.awt.RenderingHints; import java.awt.Toolkit; import java.awt.image.BufferedImage; import java.awt.image.VolatileImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; /** * @test * @bug 6429665 * @bug 6588884 * @summary Tests that the transform is correctly handled * @author Dmitri.Trembovetski area=Graphics * @run main AcceleratedScaleTest * @run main/othervm -Dsun.java2d.d3d=true AcceleratedScaleTest * @run main/othervm -Dsun.java2d.opengl=true AcceleratedScaleTest */ public class AcceleratedScaleTest { private static final int IMAGE_SIZE = 200; private static VolatileImage destVI; private static void initVI(GraphicsConfiguration gc) { int res; if (destVI == null) { res = VolatileImage.IMAGE_INCOMPATIBLE; } else { res = destVI.validate(gc); } if (res == VolatileImage.IMAGE_INCOMPATIBLE) { if (destVI != null) destVI.flush(); destVI = gc.createCompatibleVolatileImage(IMAGE_SIZE, IMAGE_SIZE); destVI.validate(gc); res = VolatileImage.IMAGE_RESTORED; } if (res == VolatileImage.IMAGE_RESTORED) { Graphics vig = destVI.getGraphics(); vig.setColor(Color.red); vig.fillRect(0, 0, destVI.getWidth(), destVI.getHeight()); vig.dispose(); } } public static void main(String[] args) { Frame f = new Frame(); f.pack(); GraphicsConfiguration gc = f.getGraphicsConfiguration(); if (gc.getColorModel().getPixelSize() < 16) { System.out.printf("Bit depth: %d . Test considered passed.", gc.getColorModel().getPixelSize()); f.dispose(); return; } BufferedImage bi = new BufferedImage(IMAGE_SIZE/4, IMAGE_SIZE/4, BufferedImage.TYPE_INT_RGB); Graphics2D g = (Graphics2D)bi.getGraphics(); g.setColor(Color.red); g.fillRect(0, 0, bi.getWidth(), bi.getHeight()); BufferedImage snapshot; do { initVI(gc); g = (Graphics2D)destVI.getGraphics(); // "accelerate" BufferedImage for (int i = 0; i < 5; i++) { g.drawImage(bi, 0, 0, null); } g.setColor(Color.white); g.fillRect(0, 0, destVI.getWidth(), destVI.getHeight()); // this will force the use of Transform primitive instead of // Scale (the latter doesn't do bilinear filtering required by // VALUE_RENDER_QUALITY, which triggers the bug in D3D pipeline g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); g.drawImage(bi, 0, 0, destVI.getWidth(), destVI.getHeight(), null); g.fillRect(0, 0, destVI.getWidth(), destVI.getHeight()); g.drawImage(bi, 0, 0, destVI.getWidth(), destVI.getHeight(), null); snapshot = destVI.getSnapshot(); } while (destVI.contentsLost()); f.dispose(); int whitePixel = Color.white.getRGB(); for (int y = 0; y < snapshot.getHeight(); y++) { for (int x = 0; x < snapshot.getWidth(); x++) { if (snapshot.getRGB(x, y) == whitePixel) { System.out.printf("Found untouched pixel at %dx%d\n", x, y); System.out.println("Dumping the dest. image to " + "AcceleratedScaleTest_dst.png"); try { ImageIO.write(snapshot, "png", new File("AcceleratedScaleTest_dst.png")); } catch (IOException ex) { ex.printStackTrace(); } throw new RuntimeException("Test failed."); } } } System.out.println("Test Passed."); } } Other Java examples (source code examples)Here is a short list of links related to this Java AcceleratedScaleTest.java source code file: |
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