| /* |
| * Copyright (c) 2012, 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. |
| */ |
| |
| /* |
| * @test |
| * @key headful |
| * @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; |
| } |
| } |
| } |
| } |