/* * Copyright (c) 2012, 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 7124347 * @summary Verifies that rendering with XOR composite, and arbitraty * custom composite doesn not cause internal errors. * * @run main/othervm -Dsun.java2d.opengl=True CustomCompositeTest */ import java.awt.AWTException; import java.awt.Color; import java.awt.Composite; import java.awt.CompositeContext; import java.awt.Dimension; import java.awt.GradientPaint; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.GraphicsConfiguration; import java.awt.GraphicsEnvironment; import java.awt.ImageCapabilities; import java.awt.RenderingHints; import java.awt.image.BufferedImage; import java.awt.image.ColorModel; import java.awt.image.DataBufferInt; import java.awt.image.Raster; import java.awt.image.SinglePixelPackedSampleModel; import java.awt.image.VolatileImage; import java.awt.image.WritableRaster; import java.util.concurrent.CountDownLatch; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.SwingUtilities; public class CustomCompositeTest { private static JFrame frame; private static CountDownLatch paintLatch; private static Throwable paintError; public static void main(String[] args) { paintLatch = new CountDownLatch(1); paintError = null; SwingUtilities.invokeLater(new Runnable() { public void run() { initGUI(); } }); try { paintLatch.await(); } catch (InterruptedException e) { }; System.out.println("Paint is done!"); if (paintError != null) { frame.dispose(); throw new RuntimeException("Test FAILED.", paintError); } System.out.println("Phase 1: PASSED."); // now resise the frame in order to cause re-paint with accelerated // source images. paintError = null; paintLatch = new CountDownLatch(1); SwingUtilities.invokeLater(new Runnable() { @Override public void run() { Dimension size = frame.getSize(); size.width += 50; size.height += 50; frame.setSize(size); } }); try { paintLatch.await(); } catch (InterruptedException e) { }; if (paintError != null) { frame.dispose(); throw new RuntimeException("Resize test FAILED.", paintError); } frame.dispose(); System.out.println("Phase 2: PASSED."); GraphicsEnvironment env = GraphicsEnvironment.getLocalGraphicsEnvironment(); GraphicsConfiguration cfg = env.getDefaultScreenDevice().getDefaultConfiguration(); // test rendering to accelerated volatile image testVolatileImage(cfg, true); System.out.println("Phase 3: PASSED."); // test rendering to unaccelerated volatile image testVolatileImage(cfg, false); System.out.println("Phase 4: PASSED."); } private static void testVolatileImage(GraphicsConfiguration cfg, boolean accelerated) { VolatileImage dst = null; try { dst = cfg.createCompatibleVolatileImage(640, 480, new ImageCapabilities(accelerated)); } catch (AWTException e) { System.out.println("Unable to create volatile image, skip the test."); return; } renderToVolatileImage(dst); } private static void renderToVolatileImage(VolatileImage dst) { Graphics2D g = dst.createGraphics(); do { System.out.println("Render to volatile image.."); try { MyComp.renderTest(g, dst.getHeight(), dst.getHeight()); } catch (Throwable e) { throw new RuntimeException("Test FAILED.", e); } } while (dst.contentsLost()); System.out.println("Done."); } private static void initGUI() { frame = new JFrame("Silly composite"); frame.getContentPane().add(new MyComp()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.pack(); frame.setVisible(true); } private static class MyComp extends JComponent { private static BufferedImage theImage; public MyComp() { } private static BufferedImage getTestImage() { if (theImage == null) { theImage = new BufferedImage(256, 256, BufferedImage.TYPE_INT_ARGB); Graphics2D g2d = theImage.createGraphics(); g2d.setColor(Color.red); g2d.fillRect(0, 0, 256, 256); g2d.setPaint(new GradientPaint(0, 0, Color.red, 256, 256, Color.blue)); g2d.fillRect(0, 100, 256, 256); g2d.dispose(); } return theImage; } public Dimension getPreferredSize() { return new Dimension(640, 375); } public void paintComponent(Graphics g) { Graphics2D g2d = (Graphics2D) g; try { renderTest(g2d, getWidth(), getHeight()); } catch (Throwable e) { paintError = e; } if (paintLatch != null) { paintLatch.countDown(); } } public static void renderTest(Graphics2D g2d, int w, int h) { g2d.setColor(Color.yellow); g2d.fillRect(0, 0, w, h); BufferedImage image = getTestImage(); // draw original image g2d.drawRenderedImage(image, null); // draw image with custom composite g2d.translate(175, 25); Composite currentComposite = g2d.getComposite(); g2d.setComposite(new TestComposite()); g2d.drawRenderedImage(image, null); g2d.setComposite(currentComposite); // draw image with XOR g2d.translate(175, 25); g2d.setXORMode(Color.red); g2d.drawRenderedImage(image, null); System.out.println("Painting is done..."); } } // A silly custom Composite to demonstrate the problem - just inverts the RGB private static class TestComposite implements Composite { public CompositeContext createContext(ColorModel srcColorModel, ColorModel dstColorModel, RenderingHints hints) { return new TestCompositeContext(); } } private static class TestCompositeContext implements CompositeContext { public void dispose() { } public void compose(Raster src, Raster dstIn, WritableRaster dstOut) { int w = src.getWidth(); int h = src.getHeight(); DataBufferInt srcDB = (DataBufferInt) src.getDataBuffer(); DataBufferInt dstOutDB = (DataBufferInt) dstOut.getDataBuffer(); int srcRGB[] = srcDB.getBankData()[0]; int dstOutRGB[] = dstOutDB.getBankData()[0]; int srcOffset = srcDB.getOffset(); int dstOutOffset = dstOutDB.getOffset(); int srcScanStride = ((SinglePixelPackedSampleModel) src.getSampleModel()).getScanlineStride(); int dstOutScanStride = ((SinglePixelPackedSampleModel) dstOut.getSampleModel()).getScanlineStride(); int srcAdjust = srcScanStride - w; int dstOutAdjust = dstOutScanStride - w; int si = srcOffset; int doi = dstOutOffset; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { dstOutRGB[doi] = srcRGB[si] ^ 0x00ffffff; si++; doi++; } si += srcAdjust; doi += dstOutAdjust; } } } }