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