300 lines
10 KiB
Java
300 lines
10 KiB
Java
/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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@test
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@key headful
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@bug 6244574
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@bug 6258142
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@bug 6395165
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@bug 6588884
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@summary Tests that source is clipped correctly when blitting
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different types of images to the screen
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@author Dmitri.Trembovetski: area=Graphics2D
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@run main SourceClippingBlitTest
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*/
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import java.awt.AWTException;
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import java.awt.Canvas;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.GraphicsConfiguration;
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import java.awt.Image;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.Robot;
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import java.awt.Toolkit;
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import java.awt.Transparency;
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import java.awt.event.ComponentAdapter;
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import java.awt.event.ComponentEvent;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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import java.awt.image.BufferedImage;
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import java.awt.image.VolatileImage;
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public class SourceClippingBlitTest extends Canvas {
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static final int TESTW = 300;
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static final int TESTH = 300;
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static final int IMAGEW = 50;
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static final int IMAGEH = 50;
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static final Rectangle IMAGE_BOUNDS = new Rectangle(0, 0, IMAGEW, IMAGEH);
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static Robot robot;
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static private boolean showErrors;
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private static final Object lock = new Object();
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private static volatile boolean done = false;
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BufferedImage grabbedBI;
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public static void main(String[] args) {
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// allow user to override the properties if needed
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if (System.getProperty("sun.java2d.pmoffscreen") == null) {
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System.setProperty("sun.java2d.pmoffscreen", "true");
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}
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if (args.length > 0 && args[0].equals("-showerrors")) {
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showErrors = true;
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}
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try {
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robot = new Robot();
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} catch (AWTException e) {
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throw new RuntimeException(e);
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}
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Frame f = new Frame(SourceClippingBlitTest.class.getName());
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final SourceClippingBlitTest test = new SourceClippingBlitTest();
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f.add(test);
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f.addWindowListener(new WindowAdapter() {
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public void windowActivated(WindowEvent e) {
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if (!done) {
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test.runTests();
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}
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}
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});
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f.pack();
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f.setLocation(100, 100);
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f.setVisible(true);
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synchronized (lock) {
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while (!done) {
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try {
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lock.wait();
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} catch (InterruptedException ex) {
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ex.printStackTrace();
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}
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}
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}
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if (!showErrors) {
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f.dispose();
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}
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}
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public Dimension getPreferredSize() {
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return new Dimension(TESTW, TESTH);
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}
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public void paint(Graphics g) {
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if (showErrors && done && grabbedBI != null) {
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g.drawImage(grabbedBI, 0, 0, null);
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}
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}
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public void runTests() {
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GraphicsConfiguration gc = getGraphicsConfiguration();
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for (Image srcIm :
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new Image[] {
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getBufferedImage(gc, IMAGEW, IMAGEH,
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BufferedImage.TYPE_INT_RGB, true),
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getBufferedImage(gc, IMAGEW, IMAGEH,
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BufferedImage.TYPE_INT_RGB, false),
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// commented out due to 6593406
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// getBMImage(gc, IMAGEW, IMAGEH),
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// getBufferedImage(gc, IMAGEW, IMAGEH,
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// BufferedImage.TYPE_INT_ARGB, true),
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// getBufferedImage(gc, IMAGEW, IMAGEH,
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// BufferedImage.TYPE_INT_ARGB, false),
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getVImage(gc, IMAGEW, IMAGEH),
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})
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{
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System.out.println("Testing source: " + srcIm);
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// wiggle the source and dest rectangles
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try {
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for (int locationVar = -10; locationVar < 20; locationVar += 10)
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{
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for (int sizeVar = -10; sizeVar < 20; sizeVar += 10) {
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Rectangle srcRect = (Rectangle)IMAGE_BOUNDS.clone();
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srcRect.translate(locationVar, locationVar);
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srcRect.grow(sizeVar, sizeVar);
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Rectangle dstRect =
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new Rectangle(sizeVar, sizeVar,
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srcRect.width, srcRect.height);
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System.out.println("testing blit rect src: " + srcRect);
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System.out.println(" dst: " + dstRect);
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render(getGraphics(), srcIm, srcRect, dstRect);
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test(srcRect, dstRect);
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}
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}
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System.out.println("Test passed.");
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} finally {
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synchronized (lock) {
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done = true;
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lock.notifyAll();
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}
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}
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}
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}
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public void render(Graphics g, Image image,
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Rectangle srcRect, Rectangle dstRect)
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{
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int w = getWidth();
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int h = getHeight();
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g.setColor(Color.green);
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g.fillRect(0, 0, w, h);
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int bltWidth = srcRect.width;
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int bltHeight = srcRect.height;
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VolatileImage vi = null;
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if (image instanceof VolatileImage) {
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vi = (VolatileImage)image;
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}
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do {
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if (vi != null) {
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GraphicsConfiguration gc = getGraphicsConfiguration();
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if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
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initImage(gc, vi);
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}
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}
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g.drawImage(image,
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dstRect.x, dstRect.y,
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dstRect.x + bltWidth, dstRect.y + bltHeight,
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srcRect.x, srcRect.y,
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srcRect.x + bltWidth, srcRect.y + bltHeight,
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Color.red,
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null);
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} while (vi != null && vi.contentsLost());
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}
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public void test(Rectangle srcRect, Rectangle dstRect) {
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int w = getWidth();
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int h = getHeight();
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Toolkit.getDefaultToolkit().sync();
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try {
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Thread.sleep(2000);
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} catch (InterruptedException ex) {}
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Point p = getLocationOnScreen();
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grabbedBI = robot.createScreenCapture(new Rectangle(p.x, p.y, w, h));
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// calculate the destination rectangle
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Rectangle srcBounds = srcRect.intersection(IMAGE_BOUNDS);
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int trX = dstRect.x - srcRect.x;
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int trY = dstRect.y - srcRect.y;
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Rectangle newDstRect = (Rectangle)dstRect.clone();
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newDstRect.translate(-trX, -trY);
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Rectangle.intersect(newDstRect, srcBounds, newDstRect);
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newDstRect.translate(trX, trY);
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Rectangle.intersect(newDstRect, new Rectangle(0, 0, w, h), newDstRect);
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System.out.println("calculated dest rect:" + newDstRect);
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// we do implicit clipping of the destination surface
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// by only checking pixels within its bounds
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for (int y = 0; y < h; y++) {
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for (int x = 0; x < w; x++) {
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int rgb = 0;
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if (newDstRect.contains(x, y)) {
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rgb = Color.red.getRGB();
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} else {
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rgb = Color.green.getRGB();
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}
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if (grabbedBI.getRGB(x, y) != rgb) {
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String msg1 = "Test failed at x="+x+" y="+y;
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System.out.println(msg1);
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System.out.println(" expected: "+Integer.toHexString(rgb)+
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" got:"+Integer.toHexString(grabbedBI.getRGB(x, y)));
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throw new RuntimeException(msg1);
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}
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}
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}
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System.out.println("subtest passed");
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}
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static VolatileImage dstImage;
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static void initImage(GraphicsConfiguration gc, Image image) {
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Graphics g = image.getGraphics();
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g.setColor(Color.RED);
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int w = image.getWidth(null);
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int h = image.getHeight(null);
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g.fillRect(0, 0, w, h);
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g.dispose();
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// need to 'accelerate' the image
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if (dstImage == null) {
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dstImage =
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gc.createCompatibleVolatileImage(TESTW, TESTH,
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Transparency.OPAQUE);
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}
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dstImage.validate(gc);
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g = dstImage.getGraphics();
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g.drawImage(image, 0, 0, null);
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g.drawImage(image, 0, 0, null);
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g.drawImage(image, 0, 0, null);
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}
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static VolatileImage getVImage(GraphicsConfiguration gc,
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int w, int h)
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{
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VolatileImage image =
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gc.createCompatibleVolatileImage(w, h, Transparency.OPAQUE);
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image.validate(gc);
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initImage(gc, image);
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return image;
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}
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static Image getBMImage(GraphicsConfiguration gc,
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int w, int h)
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{
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Image image =
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gc.createCompatibleImage(w, h, Transparency.BITMASK);
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initImage(gc, image);
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return image;
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}
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static Image getBufferedImage(GraphicsConfiguration gc,
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int w, int h, int type, boolean acceleratable)
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{
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BufferedImage image = new BufferedImage(w, h, type);
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if (!acceleratable) {
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image.setAccelerationPriority(0.0f);
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}
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initImage(gc, image);
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return image;
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}
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}
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