| /* |
| * 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 4929367 |
| * @summary tests what BMP image was decoded correctly if destination buffered |
| * image is bigger than source image |
| */ |
| |
| import java.awt.Color; |
| import java.awt.Graphics2D; |
| import java.awt.image.BufferedImage; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.util.Iterator; |
| |
| import javax.imageio.ImageIO; |
| import javax.imageio.ImageReadParam; |
| import javax.imageio.ImageReader; |
| import javax.imageio.ImageTypeSpecifier; |
| import javax.imageio.ImageWriter; |
| |
| public class BmpBigDestinationTest { |
| static String format = "BMP"; |
| public static void main(String[] args) { |
| try { |
| BufferedImage src = new BufferedImage(100, 100, |
| BufferedImage.TYPE_INT_RGB); |
| Graphics2D g = src.createGraphics(); |
| g.setColor(Color.red); |
| g.fillRect(0,0,100, 100); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| |
| ImageWriter iw = |
| (ImageWriter)ImageIO.getImageWritersByFormatName(format).next(); |
| if (iw == null) { |
| throw new RuntimeException("No writer available. Test failed."); |
| } |
| |
| iw.setOutput(ImageIO.createImageOutputStream(baos)); |
| iw.write(src); |
| |
| byte[] data = baos.toByteArray(); |
| |
| ImageReader ir = |
| (ImageReader)ImageIO.getImageReadersByFormatName(format).next(); |
| ir.setInput( |
| ImageIO.createImageInputStream( |
| new ByteArrayInputStream(data))); |
| |
| Iterator specifiers = ir.getImageTypes(0); |
| ImageTypeSpecifier typeSpecifier = null; |
| |
| if (specifiers.hasNext()) { |
| typeSpecifier = (ImageTypeSpecifier) specifiers.next(); |
| } |
| ImageReadParam param = new ImageReadParam(); |
| BufferedImage dst = typeSpecifier.createBufferedImage(200, 200); |
| param.setDestination(dst); |
| |
| ir.read(0, param); |
| |
| checkResults(src,dst); |
| |
| } catch (IOException e) { |
| e.printStackTrace(); |
| throw new RuntimeException("Unexpected exception. Test failed."); |
| } |
| } |
| |
| private static void checkResults(BufferedImage src, BufferedImage dst) { |
| for(int x=0; x<src.getWidth(); x++) { |
| for(int y=0; y<src.getHeight(); y++) { |
| int srcRgb = src.getRGB(x,y); |
| int dstRgb = dst.getRGB(x,y); |
| if (srcRgb != dstRgb) { |
| throw new RuntimeException("Images are different at point [" |
| + x + "," + y + "]"); |
| } |
| } |
| } |
| } |
| } |