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Diffstat (limited to 'test/sun/java2d/SunGraphics2D/SourceClippingBlitTest/SourceClippingBlitTest.java')
| -rw-r--r-- | test/sun/java2d/SunGraphics2D/SourceClippingBlitTest/SourceClippingBlitTest.java | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/test/sun/java2d/SunGraphics2D/SourceClippingBlitTest/SourceClippingBlitTest.java b/test/sun/java2d/SunGraphics2D/SourceClippingBlitTest/SourceClippingBlitTest.java new file mode 100644 index 000000000..3bd1109bb --- /dev/null +++ b/test/sun/java2d/SunGraphics2D/SourceClippingBlitTest/SourceClippingBlitTest.java @@ -0,0 +1,295 @@ +/* + * Copyright 2005-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +/* + @test + @bug 6244574 + @bug 6258142 + @bug 6395165 + @bug 6588884 + @summary Tests that source is clipped correctly when blitting + different types of images to the screen + @author Dmitri.Trembovetski: area=Graphics2D + @run main SourceClippingBlitTest +*/ + +import java.awt.AWTException; +import java.awt.Canvas; +import java.awt.Color; +import java.awt.Dimension; +import java.awt.Frame; +import java.awt.Graphics; +import java.awt.GraphicsConfiguration; +import java.awt.Image; +import java.awt.Point; +import java.awt.Rectangle; +import java.awt.Robot; +import java.awt.Toolkit; +import java.awt.Transparency; +import java.awt.event.ComponentAdapter; +import java.awt.event.ComponentEvent; +import java.awt.event.WindowAdapter; +import java.awt.event.WindowEvent; +import java.awt.image.BufferedImage; +import java.awt.image.VolatileImage; + +public class SourceClippingBlitTest extends Canvas { + static final int TESTW = 300; + static final int TESTH = 300; + static final int IMAGEW = 50; + static final int IMAGEH = 50; + + static final Rectangle IMAGE_BOUNDS = new Rectangle(0, 0, IMAGEW, IMAGEH); + static Robot robot; + static private boolean showErrors; + + private static final Object lock = new Object(); + private static volatile boolean done = false; + + BufferedImage grabbedBI; + + public static void main(String[] args) { + // allow user to override the properties if needed + if (System.getProperty("sun.java2d.pmoffscreen") == null) { + System.setProperty("sun.java2d.pmoffscreen", "true"); + } + + if (args.length > 0 && args[0].equals("-showerrors")) { + showErrors = true; + } + + try { + robot = new Robot(); + } catch (AWTException e) { + throw new RuntimeException(e); + } + + Frame f = new Frame(SourceClippingBlitTest.class.getName()); + final SourceClippingBlitTest test = new SourceClippingBlitTest(); + f.add(test); + f.addWindowListener(new WindowAdapter() { + public void windowActivated(WindowEvent e) { + if (!done) { + test.runTests(); + } + } + + }); + f.pack(); + f.setLocation(100, 100); + f.setVisible(true); + synchronized (lock) { + while (!done) { + try { + lock.wait(); + } catch (InterruptedException ex) { + ex.printStackTrace(); + } + } + } + if (!showErrors) { + f.dispose(); + } + } + + public Dimension getPreferredSize() { + return new Dimension(TESTW, TESTH); + } + + public void paint(Graphics g) { + if (showErrors && done && grabbedBI != null) { + g.drawImage(grabbedBI, 0, 0, null); + } + } + + public void runTests() { + GraphicsConfiguration gc = getGraphicsConfiguration(); + for (Image srcIm : + new Image[] { + getBufferedImage(gc, IMAGEW, IMAGEH, + BufferedImage.TYPE_INT_RGB, true), + getBufferedImage(gc, IMAGEW, IMAGEH, + BufferedImage.TYPE_INT_RGB, false), + // commented out due to 6593406 +// getBMImage(gc, IMAGEW, IMAGEH), +// getBufferedImage(gc, IMAGEW, IMAGEH, +// BufferedImage.TYPE_INT_ARGB, true), +// getBufferedImage(gc, IMAGEW, IMAGEH, +// BufferedImage.TYPE_INT_ARGB, false), + getVImage(gc, IMAGEW, IMAGEH), + }) + { + System.out.println("Testing source: " + srcIm); + // wiggle the source and dest rectangles + try { + for (int locationVar = -10; locationVar < 20; locationVar += 10) + { + for (int sizeVar = -10; sizeVar < 20; sizeVar += 10) { + Rectangle srcRect = (Rectangle)IMAGE_BOUNDS.clone(); + srcRect.translate(locationVar, locationVar); + srcRect.grow(sizeVar, sizeVar); + + Rectangle dstRect = + new Rectangle(sizeVar, sizeVar, + srcRect.width, srcRect.height); + System.out.println("testing blit rect src: " + srcRect); + System.out.println(" dst: " + dstRect); + render(getGraphics(), srcIm, srcRect, dstRect); + test(srcRect, dstRect); + } + } + System.out.println("Test passed."); + } finally { + synchronized (lock) { + done = true; + lock.notifyAll(); + } + } + } + } + + public void render(Graphics g, Image image, + Rectangle srcRect, Rectangle dstRect) + { + int w = getWidth(); + int h = getHeight(); + g.setColor(Color.green); + g.fillRect(0, 0, w, h); + + int bltWidth = srcRect.width; + int bltHeight = srcRect.height; + VolatileImage vi = null; + if (image instanceof VolatileImage) { + vi = (VolatileImage)image; + } + do { + if (vi != null) { + GraphicsConfiguration gc = getGraphicsConfiguration(); + if (vi.validate(gc) != VolatileImage.IMAGE_OK) { + initImage(gc, vi); + } + } + g.drawImage(image, + dstRect.x, dstRect.y, + dstRect.x + bltWidth, dstRect.y + bltHeight, + srcRect.x, srcRect.y, + srcRect.x + bltWidth, srcRect.y + bltHeight, + Color.red, + null); + } while (vi != null && vi.contentsLost()); + } + + + public void test(Rectangle srcRect, Rectangle dstRect) { + int w = getWidth(); + int h = getHeight(); + Toolkit.getDefaultToolkit().sync(); + Point p = getLocationOnScreen(); + grabbedBI = robot.createScreenCapture(new Rectangle(p.x, p.y, w, h)); + + // calculate the destination rectangle + Rectangle srcBounds = srcRect.intersection(IMAGE_BOUNDS); + int trX = dstRect.x - srcRect.x; + int trY = dstRect.y - srcRect.y; + Rectangle newDstRect = (Rectangle)dstRect.clone(); + newDstRect.translate(-trX, -trY); + Rectangle.intersect(newDstRect, srcBounds, newDstRect); + newDstRect.translate(trX, trY); + Rectangle.intersect(newDstRect, new Rectangle(0, 0, w, h), newDstRect); + + System.out.println("calculated dest rect:" + newDstRect); + + // we do implicit clipping of the destination surface + // by only checking pixels within its bounds + for (int y = 0; y < h; y++) { + for (int x = 0; x < w; x++) { + int rgb = 0; + if (newDstRect.contains(x, y)) { + rgb = Color.red.getRGB(); + } else { + rgb = Color.green.getRGB(); + } + if (grabbedBI.getRGB(x, y) != rgb) { + String msg1 = "Test failed at x="+x+" y="+y; + System.out.println(msg1); + System.out.println(" expected: "+Integer.toHexString(rgb)+ + " got:"+Integer.toHexString(grabbedBI.getRGB(x, y))); + throw new RuntimeException(msg1); + } + } + } + System.out.println("subtest passed"); + } + + static VolatileImage dstImage; + static void initImage(GraphicsConfiguration gc, Image image) { + Graphics g = image.getGraphics(); + g.setColor(Color.RED); + int w = image.getWidth(null); + int h = image.getHeight(null); + g.fillRect(0, 0, w, h); + g.dispose(); + + // need to 'accelerate' the image + if (dstImage == null) { + dstImage = + gc.createCompatibleVolatileImage(TESTW, TESTH, + Transparency.OPAQUE); + } + dstImage.validate(gc); + g = dstImage.getGraphics(); + g.drawImage(image, 0, 0, null); + g.drawImage(image, 0, 0, null); + g.drawImage(image, 0, 0, null); + } + + static VolatileImage getVImage(GraphicsConfiguration gc, + int w, int h) + { + VolatileImage image = + gc.createCompatibleVolatileImage(w, h, Transparency.OPAQUE); + image.validate(gc); + initImage(gc, image); + return image; + } + + static Image getBMImage(GraphicsConfiguration gc, + int w, int h) + { + Image image = + gc.createCompatibleImage(w, h, Transparency.BITMASK); + initImage(gc, image); + return image; + } + + static Image getBufferedImage(GraphicsConfiguration gc, + int w, int h, int type, boolean acceleratable) + { + BufferedImage image = new BufferedImage(w, h, type); + if (!acceleratable) { + image.setAccelerationPriority(0.0f); + } + initImage(gc, image); + return image; + } +} |