| /* |
| * 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 4893446 |
| * @summary Tests that we get IOException if we try to encode the incompatible |
| * image with RLE compression |
| */ |
| |
| import java.awt.Color; |
| import java.awt.Graphics; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.IndexColorModel; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| |
| import javax.imageio.IIOImage; |
| import javax.imageio.ImageIO; |
| import javax.imageio.ImageWriteParam; |
| import javax.imageio.ImageWriter; |
| import javax.imageio.stream.ImageInputStream; |
| import javax.imageio.stream.ImageOutputStream; |
| |
| public class RleEncodingTest { |
| |
| private static int testIdx = 1; |
| |
| public static void main(String args[]) throws Exception { |
| try { |
| int mode = ImageWriteParam.MODE_EXPLICIT; |
| String type = "BI_RLE4"; |
| doTest(type, mode); |
| |
| type = "BI_RLE8"; |
| doTest(type, mode); |
| |
| mode = ImageWriteParam.MODE_DEFAULT; |
| type = "BI_RLE4"; |
| doTest(type, mode); |
| |
| type = "BI_RLE8"; |
| doTest(type, mode); |
| |
| System.out.println("Test 4bpp image."); |
| encodeRLE4Test(); |
| |
| System.out.println("Test 8bpp image."); |
| encodeRLE8Test(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| throw new RuntimeException("Unexpected exception. Test failed"); |
| } |
| } |
| |
| private static void doTest(String compressionType, |
| int compressionMode) throws IOException |
| { |
| BufferedImage bimg = new BufferedImage(100, 100, |
| BufferedImage.TYPE_INT_RGB); |
| Graphics g = bimg.getGraphics(); |
| g.setColor(Color.green); |
| g.fillRect(0, 0, 100, 100); |
| |
| doTest(bimg, compressionType, compressionMode); |
| } |
| |
| private static void encodeRLE4Test() throws IOException { |
| // create 4bpp image |
| byte[] r = new byte[16]; |
| r[0] = (byte)0xff; |
| byte[] g = new byte[16]; |
| g[1] = (byte)0xff; |
| byte[] b = new byte[16]; |
| b[2] = (byte)0xff; |
| IndexColorModel icm = new IndexColorModel(4, 16, r, g, b); |
| |
| BufferedImage bimg = new BufferedImage(100, 100, |
| BufferedImage.TYPE_BYTE_BINARY, |
| icm); |
| |
| Graphics gr = bimg.getGraphics(); |
| gr.setColor(Color.green); |
| gr.fillRect(0, 0, 100, 100); |
| |
| doTest(bimg, "BI_RLE4", ImageWriteParam.MODE_EXPLICIT); |
| } |
| |
| private static void encodeRLE8Test() throws IOException { |
| // create 8bpp image |
| byte[] r = new byte[256]; |
| r[0] = (byte)0xff; |
| byte[] g = new byte[256]; |
| g[1] = (byte)0xff; |
| byte[] b = new byte[256]; |
| b[2] = (byte)0xff; |
| IndexColorModel icm = new IndexColorModel(8, 256, r, g, b); |
| |
| BufferedImage bimg = new BufferedImage(100, 100, |
| BufferedImage.TYPE_BYTE_INDEXED, |
| icm); |
| Graphics gr = bimg.getGraphics(); |
| gr.setColor(Color.green); |
| gr.fillRect(0, 0, 100, 100); |
| |
| doTest(bimg, "BI_RLE8", ImageWriteParam.MODE_EXPLICIT); |
| } |
| |
| private static void doTest(BufferedImage src, |
| String compressionType, |
| int compressionMode) throws IOException |
| { |
| |
| ImageWriter iw = (ImageWriter)ImageIO.getImageWritersBySuffix("bmp").next(); |
| if (iw == null) { |
| throw new RuntimeException("No available writer. Test failed."); |
| } |
| |
| IIOImage iioImg = new IIOImage(src, null, null); |
| ImageWriteParam param = iw.getDefaultWriteParam(); |
| |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ImageOutputStream ios = ImageIO.createImageOutputStream(baos); |
| iw.setOutput(ios); |
| |
| System.out.println("Compression Type is " + compressionType); |
| System.out.println("Compression Mode is " + compressionMode); |
| |
| param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); |
| param.setCompressionType(compressionType); |
| if (compressionMode != ImageWriteParam.MODE_EXPLICIT) { |
| param.setCompressionMode(compressionMode); |
| } |
| try { |
| iw.write(null, iioImg, param); |
| } catch (IOException e) { |
| int bpp = src.getColorModel().getPixelSize(); |
| if (compressionMode == ImageWriteParam.MODE_EXPLICIT) { |
| if ((compressionType.equals("BI_RLE4") && bpp != 4) |
| || (compressionType.equals("BI_RLE8") && bpp != 8)) |
| { |
| System.out.println("Can not encode "+ bpp+ "bpp image as" |
| + compressionType); |
| return; |
| } else { |
| throw new RuntimeException("Unable to encode " |
| + bpp + "bpp image as " |
| + compressionType |
| + ". Test failed"); |
| } |
| } |
| } |
| baos.close(); |
| |
| ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); |
| ImageInputStream iis = ImageIO.createImageInputStream(bais); |
| |
| BufferedImage dst = ImageIO.read(iis); |
| |
| int w = src.getWidth(); |
| int h = src.getHeight(); |
| |
| Object dstPixel = dst.getRaster().getDataElements(w/2, h/2, null); |
| Object srcPixel = src.getRaster().getDataElements(w/2, h/2, null); |
| |
| 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, w/2, h/2); |
| showPixel(dst, w/2, h/2); |
| |
| throw new RuntimeException( |
| "Colors are different: " + |
| Integer.toHexString(src.getColorModel().getRGB(srcPixel)) |
| + " and " + |
| Integer.toHexString(dst.getColorModel().getRGB(dstPixel))); |
| } |
| |
| } |
| |
| 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))); |
| } |
| } |