111 lines
4.3 KiB
Java
111 lines
4.3 KiB
Java
/*
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* Copyright (c) 2007, 2016, 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 6603887
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* @summary Verifies that drawImage with bg color works correctly for ICM image
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* @run main/othervm DrawImageBgTest
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* @run main/othervm -Dsun.java2d.pmoffscreen=true DrawImageBgTest
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*/
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import java.awt.Color;
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import java.awt.Graphics;
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import java.awt.GraphicsConfiguration;
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import java.awt.GraphicsEnvironment;
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import java.awt.image.BufferedImage;
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import java.awt.image.IndexColorModel;
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import java.awt.image.VolatileImage;
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import java.awt.image.WritableRaster;
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import java.io.File;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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public class DrawImageBgTest {
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public static void main(String[] args) {
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GraphicsConfiguration gc =
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GraphicsEnvironment.getLocalGraphicsEnvironment().
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getDefaultScreenDevice().getDefaultConfiguration();
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if (gc.getColorModel().getPixelSize() <= 8) {
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System.out.println("8-bit color model, test considered passed");
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return;
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}
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/*
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* Set up images:
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* 1.) VolatileImge for rendering to,
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* 2.) BufferedImage for reading back the contents of the VI
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* 3.) The image triggering the problem
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*/
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VolatileImage vImg = null;
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BufferedImage readBackBImg;
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// create a BITMASK ICM such that the transparent color is
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// tr. black (and it's the first in the color map so a buffered image
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// created with this ICM is transparent
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byte r[] = { 0x00, (byte)0xff};
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byte g[] = { 0x00, (byte)0xff};
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byte b[] = { 0x00, (byte)0xff};
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IndexColorModel icm = new IndexColorModel(8, 2, r, g, b, 0);
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WritableRaster wr = icm.createCompatibleWritableRaster(25, 25);
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BufferedImage tImg = new BufferedImage(icm, wr, false, null);
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do {
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if (vImg == null ||
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vImg.validate(gc) == VolatileImage.IMAGE_INCOMPATIBLE)
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{
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vImg = gc.createCompatibleVolatileImage(tImg.getWidth(),
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tImg.getHeight());
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}
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Graphics viG = vImg.getGraphics();
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viG.setColor(Color.red);
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viG.fillRect(0, 0, vImg.getWidth(), vImg.getHeight());
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viG.drawImage(tImg, 0, 0, Color.green, null);
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viG.fillRect(0, 0, vImg.getWidth(), vImg.getHeight());
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viG.drawImage(tImg, 0, 0, Color.white, null);
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readBackBImg = vImg.getSnapshot();
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} while (vImg.contentsLost());
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for (int x = 0; x < readBackBImg.getWidth(); x++) {
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for (int y = 0; y < readBackBImg.getHeight(); y++) {
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int currPixel = readBackBImg.getRGB(x, y);
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if (currPixel != Color.white.getRGB()) {
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String fileName = "DrawImageBgTest.png";
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try {
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ImageIO.write(readBackBImg, "png", new File(fileName));
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System.err.println("Dumped image to " + fileName);
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} catch (IOException ex) {}
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throw new
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RuntimeException("Test Failed: found wrong color: 0x"+
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Integer.toHexString(currPixel));
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}
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}
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}
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System.out.println("Test Passed.");
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}
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}
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