| /* |
| * Copyright (c) 2003, 2017, 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 |
| * @bug 4892214 |
| * @summary Test checks that colors are not changed by the writing/reading in |
| * the BMP format for TYPE_INT_BGR and TYPE_USHORT_555_RGB buffered |
| * images |
| */ |
| |
| import java.awt.Color; |
| import java.awt.Dimension; |
| import java.awt.Graphics; |
| import java.awt.Graphics2D; |
| import java.awt.image.BufferedImage; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| |
| import javax.imageio.ImageIO; |
| import javax.imageio.ImageWriter; |
| import javax.imageio.stream.ImageOutputStream; |
| import javax.swing.JComponent; |
| import javax.swing.JFrame; |
| |
| public class WritingColorChangeTest { |
| private static int width = 100; |
| private static int height = 100; |
| private static Color color = new Color(0x10, 0x20, 0x30); |
| |
| static int bufferedImageType[] = { |
| BufferedImage.TYPE_USHORT_565_RGB, |
| BufferedImage.TYPE_INT_BGR, |
| BufferedImage.TYPE_INT_RGB, |
| BufferedImage.TYPE_USHORT_555_RGB, |
| }; |
| |
| static String bufferedImageStringType[] = { |
| "BufferedImage.TYPE_USHORT_565_RGB", |
| "BufferedImage.TYPE_INT_BGR", |
| "BufferedImage.TYPE_INT_RGB", |
| "BufferedImage.TYPE_USHORT_555_RGB", |
| }; |
| private static String writingFormat = "BMP"; |
| private static ImageWriter writer = (ImageWriter)ImageIO.getImageWritersByFormatName(writingFormat).next(); |
| private int type; |
| |
| public static void main(String[] args) { |
| |
| //int i = 7; //3; //7; |
| for(int i=0; i<bufferedImageType.length; i++) { |
| System.out.println("\n\nTest for type " + bufferedImageStringType[i]); |
| |
| WritingColorChangeTest t1 = new WritingColorChangeTest(bufferedImageType[i]); |
| t1.doTest(); |
| |
| } |
| } |
| |
| private WritingColorChangeTest(int type) { |
| this.type = type; |
| } |
| |
| private void doTest() { |
| BufferedImage src = createTestImage(type); |
| System.out.println("Sample model is " + src.getSampleModel()); |
| |
| BufferedImage dst = doModification(src); |
| |
| Object dstPixel = dst.getRaster().getDataElements(width/2, height/2, null); |
| Object srcPixel = src.getRaster().getDataElements(width/2, height/2, null); |
| |
| if (src.getType() == BufferedImage.TYPE_USHORT_555_RGB || |
| src.getType() == BufferedImage.TYPE_USHORT_565_RGB ) { |
| |
| Color cmpColor = new Color(dst.getColorModel().getRed(dstPixel), |
| dst.getColorModel().getGreen(dstPixel), |
| dst.getColorModel().getBlue(dstPixel)); |
| BufferedImage cmp = createTestImage(src.getType(), cmpColor); |
| |
| Object cmpPixel = cmp.getRaster().getDataElements(width/2, height/2, null); |
| |
| dst = cmp; |
| dstPixel = cmpPixel; |
| } |
| |
| if ( (src.getColorModel().getRed(srcPixel) != dst.getColorModel().getRed(dstPixel)) || |
| (src.getColorModel().getGreen(srcPixel) != dst.getColorModel().getGreen(dstPixel)) || |
| (src.getColorModel().getBlue(srcPixel) != dst.getColorModel().getBlue(dstPixel)) || |
| (src.getColorModel().getAlpha(srcPixel) != dst.getColorModel().getAlpha(dstPixel)) ) { |
| |
| showPixel(src, width/2, height/2); |
| showPixel(dst, width/2, height/2); |
| |
| showRes(dst, src); |
| throw new RuntimeException( |
| "Colors are different: " + |
| Integer.toHexString(src.getColorModel().getRGB(srcPixel)) + " and " + |
| Integer.toHexString(dst.getColorModel().getRGB(dstPixel))); |
| } |
| } |
| |
| private BufferedImage doModification(BufferedImage src) { |
| try { |
| BufferedImage dst = null; |
| if (!writer.getOriginatingProvider().canEncodeImage(src)) { |
| throw new RuntimeException(writingFormat+" writer does not support the image type "+type); |
| } |
| System.out.println(writingFormat+" writer claims it can encode the image "+type); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ImageOutputStream ios = ImageIO.createImageOutputStream(baos); |
| writer.setOutput(ios); |
| writer.write(src); |
| ios.close(); |
| baos.close(); |
| |
| ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); |
| dst = ImageIO.read(bais); |
| return dst; |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private static void showPixel(BufferedImage src, int x, int y) { |
| System.out.println("Img is " + src); |
| Object p = src.getRaster().getDataElements(x, y, null); |
| System.out.println("RGB: " + |
| Integer.toHexString(src.getColorModel().getRGB(p))); |
| System.out.println("Red: " + |
| Integer.toHexString(src.getColorModel().getRed(p))); |
| System.out.println("Green: " + |
| Integer.toHexString(src.getColorModel().getGreen(p))); |
| System.out.println("Blue: " + |
| Integer.toHexString(src.getColorModel().getBlue(p))); |
| System.out.println("Alpha: " + |
| Integer.toHexString(src.getColorModel().getAlpha(p))); |
| } |
| |
| private static BufferedImage createTestImage(int type) { |
| return createTestImage(type, color); |
| } |
| |
| private static BufferedImage createTestImage(int type, Color c) { |
| BufferedImage i = new BufferedImage(width, height, |
| type); |
| Graphics2D g = i.createGraphics(); |
| |
| g.setColor(c); |
| g.fillRect(0, 0, width, height); |
| |
| return i; |
| } |
| |
| private static void showRes(final BufferedImage src, final BufferedImage dst) { |
| final int w = src.getWidth()+ dst.getWidth(); |
| final int h = Math.max(src.getHeight(), dst.getHeight()); |
| |
| JFrame f = new JFrame("Test results"); |
| f.getContentPane().add( new JComponent() { |
| public Dimension getPreferredSize() { |
| return new Dimension(w,h); |
| } |
| |
| public void paintComponent(Graphics g) { |
| g.drawImage(src,0,0, null); |
| g.drawImage(dst, src.getWidth(),0, null); |
| } |
| }); |
| f.pack(); |
| f.setVisible(true); |
| } |
| } |