J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /** |
| 25 | * @test |
| 26 | * @bug 6603887 |
| 27 | * @summary Verifies that drawImage with bg color works correctly for ICM image |
| 28 | * @run main/othervm DrawImageBgTest |
| 29 | * @run main/othervm -Dsun.java2d.pmoffscreen=true DrawImageBgTest |
| 30 | */ |
| 31 | import java.awt.Color; |
| 32 | import java.awt.Graphics; |
| 33 | import java.awt.GraphicsConfiguration; |
| 34 | import java.awt.GraphicsEnvironment; |
| 35 | import java.awt.image.BufferedImage; |
| 36 | import java.awt.image.IndexColorModel; |
| 37 | import java.awt.image.VolatileImage; |
| 38 | import java.awt.image.WritableRaster; |
| 39 | import java.io.File; |
| 40 | import java.io.IOException; |
| 41 | import javax.imageio.ImageIO; |
| 42 | |
| 43 | public class DrawImageBgTest { |
| 44 | public static void main(String[] args) { |
| 45 | GraphicsConfiguration gc = |
| 46 | GraphicsEnvironment.getLocalGraphicsEnvironment(). |
| 47 | getDefaultScreenDevice().getDefaultConfiguration(); |
| 48 | |
| 49 | if (gc.getColorModel().getPixelSize() <= 8) { |
| 50 | System.out.println("8-bit color model, test considered passed"); |
| 51 | return; |
| 52 | } |
| 53 | |
| 54 | /* |
| 55 | * Set up images: |
| 56 | * 1.) VolatileImge for rendering to, |
| 57 | * 2.) BufferedImage for reading back the contents of the VI |
| 58 | * 3.) The image triggering the problem |
| 59 | */ |
| 60 | VolatileImage vImg = null; |
| 61 | BufferedImage readBackBImg; |
| 62 | |
| 63 | // create a BITMASK ICM such that the transparent color is |
| 64 | // tr. black (and it's the first in the color map so a buffered image |
| 65 | // created with this ICM is transparent |
| 66 | byte r[] = { 0x00, (byte)0xff}; |
| 67 | byte g[] = { 0x00, (byte)0xff}; |
| 68 | byte b[] = { 0x00, (byte)0xff}; |
| 69 | IndexColorModel icm = new IndexColorModel(8, 2, r, g, b, 0); |
| 70 | WritableRaster wr = icm.createCompatibleWritableRaster(25, 25); |
| 71 | BufferedImage tImg = new BufferedImage(icm, wr, false, null); |
| 72 | |
| 73 | do { |
| 74 | if (vImg == null || |
| 75 | vImg.validate(gc) == VolatileImage.IMAGE_INCOMPATIBLE) |
| 76 | { |
| 77 | vImg = gc.createCompatibleVolatileImage(tImg.getWidth(), |
| 78 | tImg.getHeight()); |
| 79 | } |
| 80 | |
| 81 | Graphics viG = vImg.getGraphics(); |
| 82 | viG.setColor(Color.red); |
| 83 | viG.fillRect(0, 0, vImg.getWidth(), vImg.getHeight()); |
| 84 | |
| 85 | viG.drawImage(tImg, 0, 0, Color.green, null); |
| 86 | viG.fillRect(0, 0, vImg.getWidth(), vImg.getHeight()); |
| 87 | viG.drawImage(tImg, 0, 0, Color.white, null); |
| 88 | |
| 89 | readBackBImg = vImg.getSnapshot(); |
| 90 | } while (vImg.contentsLost()); |
| 91 | |
| 92 | for (int x = 0; x < readBackBImg.getWidth(); x++) { |
| 93 | for (int y = 0; y < readBackBImg.getHeight(); y++) { |
| 94 | int currPixel = readBackBImg.getRGB(x, y); |
| 95 | if (currPixel != Color.white.getRGB()) { |
| 96 | String fileName = "DrawImageBgTest.png"; |
| 97 | try { |
| 98 | ImageIO.write(readBackBImg, "png", new File(fileName)); |
| 99 | System.err.println("Dumped image to " + fileName); |
| 100 | } catch (IOException ex) {} |
| 101 | throw new |
| 102 | RuntimeException("Test Failed: found wrong color: 0x"+ |
| 103 | Integer.toHexString(currPixel)); |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 | System.out.println("Test Passed."); |
| 108 | } |
| 109 | } |