| /* |
| * Copyright (c) 2007, 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 5009033 6603000 6666362 |
| * @summary Verifies that images transformed with bilinear filtering do not |
| * leave artifacts at the edges. |
| * @run main/othervm DrawImageBilinear |
| * @run main/othervm -Dsun.java2d.opengl=True DrawImageBilinear |
| * @author campbelc |
| */ |
| |
| import java.awt.Canvas; |
| import java.awt.Color; |
| import java.awt.Component; |
| import java.awt.Dimension; |
| import java.awt.Frame; |
| import java.awt.Graphics; |
| import java.awt.Graphics2D; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.Point; |
| import java.awt.Rectangle; |
| import java.awt.RenderingHints; |
| import java.awt.Robot; |
| import java.awt.Toolkit; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.IndexColorModel; |
| import java.awt.image.VolatileImage; |
| |
| public class DrawImageBilinear extends Canvas { |
| |
| private static final int SIZE = 5; |
| |
| private static boolean done; |
| private BufferedImage bimg1, bimg2; |
| private VolatileImage vimg; |
| private static volatile BufferedImage capture; |
| private static void doCapture(Component test) { |
| try { |
| Thread.sleep(2000); |
| } catch (InterruptedException ex) {} |
| // Grab the screen region |
| try { |
| Robot robot = new Robot(); |
| Point pt1 = test.getLocationOnScreen(); |
| Rectangle rect = |
| new Rectangle(pt1.x, pt1.y, test.getWidth(), test.getHeight()); |
| capture = robot.createScreenCapture(rect); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| private void renderPattern(Graphics g) { |
| g.setColor(Color.red); |
| g.fillRect(0, 0, SIZE, SIZE); |
| //g.setColor(Color.green); |
| //g.drawRect(0, 0, SIZE-1, SIZE-1); |
| g.dispose(); |
| } |
| |
| public void paint(Graphics g) { |
| Graphics2D g2d = (Graphics2D)g; |
| |
| if (bimg1 == null) { |
| bimg1 = (BufferedImage)createImage(SIZE, SIZE); |
| bimg1.setAccelerationPriority(0.0f); |
| renderPattern(bimg1.createGraphics()); |
| |
| bimg2 = (BufferedImage)createImage(SIZE, SIZE); |
| renderPattern(bimg2.createGraphics()); |
| |
| vimg = createVolatileImage(SIZE, SIZE); |
| vimg.validate(getGraphicsConfiguration()); |
| renderPattern(vimg.createGraphics()); |
| } |
| |
| do { |
| g2d.setColor(Color.white); |
| g2d.fillRect(0, 0, getWidth(), getHeight()); |
| |
| g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, |
| RenderingHints.VALUE_INTERPOLATION_BILINEAR); |
| |
| // first time will be a sw->surface blit |
| g2d.drawImage(bimg1, 10, 10, 40, 40, null); |
| |
| // second time will be a texture->surface blit |
| g2d.drawImage(bimg2, 80, 10, 40, 40, null); |
| if (!skipOglTextureTest) { |
| g2d.drawImage(bimg2, 80, 10, 40, 40, null); |
| } |
| |
| // third time will be a pbuffer->surface blit |
| if (vimg.validate(getGraphicsConfiguration()) != VolatileImage.IMAGE_OK) { |
| renderPattern(vimg.createGraphics()); |
| } |
| g2d.drawImage(vimg, 150, 10, 40, 40, null); |
| |
| Toolkit.getDefaultToolkit().sync(); |
| } while (vimg.contentsLost()); |
| |
| synchronized (this) { |
| if (!done) { |
| doCapture(this); |
| done = true; |
| } |
| notifyAll(); |
| } |
| } |
| |
| public Dimension getPreferredSize() { |
| return new Dimension(200, 100); |
| } |
| |
| private static void testRegion(BufferedImage bi, |
| Rectangle affectedRegion) |
| { |
| int x1 = affectedRegion.x; |
| int y1 = affectedRegion.y; |
| int x2 = x1 + affectedRegion.width; |
| int y2 = y1 + affectedRegion.height; |
| |
| for (int y = y1; y < y2; y++) { |
| for (int x = x1; x < x2; x++) { |
| int actual = bi.getRGB(x, y); |
| if ((actual != 0xfffe0000) && (actual != 0xffff0000)) { |
| throw new RuntimeException("Test failed at x="+x+" y="+y+ |
| " (expected=0xffff0000"+ |
| " actual=0x"+ |
| Integer.toHexString(actual) + |
| ")"); |
| } |
| } |
| } |
| } |
| |
| private static boolean skipOglTextureTest = false; |
| |
| public static void main(String[] args) { |
| boolean show = false; |
| for (String arg : args) { |
| if ("-show".equals(arg)) { |
| show = true; |
| } |
| } |
| |
| String arch = System.getProperty("os.arch"); |
| boolean isOglEnabled = Boolean.getBoolean("sun.java2d.opengl"); |
| skipOglTextureTest = isOglEnabled && ("sparc".equals(arch)); |
| System.out.println("Skip OpenGL texture test: " + skipOglTextureTest); |
| |
| DrawImageBilinear test = new DrawImageBilinear(); |
| Frame frame = new Frame(); |
| frame.add(test); |
| frame.pack(); |
| frame.setVisible(true); |
| |
| // Wait until the component's been painted |
| synchronized (test) { |
| while (!done) { |
| try { |
| test.wait(); |
| } catch (InterruptedException e) { |
| throw new RuntimeException("Failed: Interrupted"); |
| } |
| } |
| } |
| |
| GraphicsConfiguration gc = frame.getGraphicsConfiguration(); |
| if (gc.getColorModel() instanceof IndexColorModel) { |
| System.out.println("IndexColorModel detected: " + |
| "test considered PASSED"); |
| frame.dispose(); |
| return; |
| } |
| |
| if (!show) { |
| frame.dispose(); |
| } |
| if (capture == null) { |
| throw new RuntimeException("Failed: capture is null"); |
| } |
| |
| // Test background color |
| int pixel = capture.getRGB(5, 5); |
| if (pixel != 0xffffffff) { |
| throw new RuntimeException("Failed: Incorrect color for " + |
| "background"); |
| } |
| |
| // Test pixels |
| testRegion(capture, new Rectangle(10, 10, 40, 40)); |
| testRegion(capture, new Rectangle(80, 10, 40, 40)); |
| testRegion(capture, new Rectangle(150, 10, 40, 40)); |
| } |
| } |