Examples with ImageInputStream javax.imageio.stream.ImageInputStream used on opensource projects

Example 11 with ImageInputStream

use of javax.imageio.stream.ImageInputStream in project jdk8u_jdk by JetBrains.

the class RleEncodingTest method doTest.

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)));
    }
}

Example 12 with ImageInputStream

use of javax.imageio.stream.ImageInputStream in project jdk8u_jdk by JetBrains.

the class NoExtraBytesTest method read.

private void read(File f) throws IOException {
    ImageReader reader = ImageIO.getImageReadersByFormatName("BMP").next();
    ImageInputStream iis = ImageIO.createImageInputStream(new FileInputStream(f));
    reader.setInput(iis);
    iio_dst = reader.readAll(0, reader.getDefaultReadParam());
}

Example 13 with ImageInputStream

use of javax.imageio.stream.ImageInputStream in project jdk8u_jdk by JetBrains.

the class LogicalScreenDimensionTest method main.

public static void main(String[] args) throws IOException {
    String format = "GIF";
    ImageWriter writer = ImageIO.getImageWritersByFormatName(format).next();
    if (writer == null) {
        throw new RuntimeException("No available writers for " + format);
    }
    BufferedImage img = createTestImage(100, 100, BufferedImage.TYPE_BYTE_GRAY);
    ImageWriteParam p = writer.getDefaultWriteParam();
    ImageTypeSpecifier type = ImageTypeSpecifier.createFromRenderedImage(img);
    IIOMetadata inImageMetadata = writer.getDefaultImageMetadata(type, p);
    IIOMetadata inStreamMetadata = writer.getDefaultStreamMetadata(p);
    // write and read image
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
    writer.setOutput(ios);
    writer.write(inStreamMetadata, new IIOImage(img, null, inImageMetadata), p);
    ios.flush();
    ios.close();
    // read result
    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    ImageInputStream iis = ImageIO.createImageInputStream(bais);
    ImageReader reader = ImageIO.getImageReader(writer);
    reader.setInput(iis);
    IIOMetadata outStreamMetadata = reader.getStreamMetadata();
    GIFStreamMetadata gifStreamMetadata = (GIFStreamMetadata) outStreamMetadata;
    if (gifStreamMetadata.logicalScreenWidth != img.getWidth() || gifStreamMetadata.logicalScreenHeight != img.getHeight()) {
        throw new RuntimeException("Test failed due to wrong logical screen dimension.");
    }
}

Example 14 with ImageInputStream

use of javax.imageio.stream.ImageInputStream in project jdk8u_jdk by JetBrains.

the class RGBImageTest method doTest.

protected void doTest() throws IOException {
    BufferedImage biSrc = getSrc();
    ImageWriter writer = ImageIO.getImageWritersByFormatName("GIF").next();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
    writer.setOutput(ios);
    ImageWriteParam writeParam = writer.getDefaultWriteParam();
    IIOMetadata imageMetadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(biSrc), writeParam);
    IIOMetadata streamMetadata = writer.getDefaultStreamMetadata(writeParam);
    IIOImage iioImg = new IIOImage(biSrc, null, imageMetadata);
    writer.write(streamMetadata, iioImg, writeParam);
    ios.close();
    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
    ImageInputStream iis = ImageIO.createImageInputStream(bais);
    ImageReader reader = ImageIO.getImageReader(writer);
    reader.setInput(iis);
    BufferedImage dst = reader.read(0);
    // do test
    int x = dx / 2;
    int y = height / 2;
    for (int i = 0; i < usedColors.length; i++) {
        int dstRgb = dst.getRGB(x, y);
        System.out.println("dstColor: " + Integer.toHexString(dstRgb));
        int srcRgb = usedColors[i].getRGB();
        System.out.println("srcColor: " + Integer.toHexString(srcRgb));
        if (dstRgb != srcRgb) {
            throw new RuntimeException("wrong color " + i + ": " + Integer.toHexString(dstRgb));
        }
        x += dx;
    }
}

Example 15 with ImageInputStream

use of javax.imageio.stream.ImageInputStream in project jdk8u_jdk by JetBrains.

the class ItxtUtf8Test method runTest.

public static void runTest(boolean dump, boolean truncate) throws Exception {
    String format = "javax_imageio_png_1.0";
    BufferedImage img = new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
    ImageWriter iw = ImageIO.getImageWritersByMIMEType("image/png").next();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ImageOutputStream ios = new MemoryCacheImageOutputStream(os);
    iw.setOutput(ios);
    IIOMetadata meta = iw.getDefaultImageMetadata(new ImageTypeSpecifier(img), null);
    DOMImplementationRegistry registry;
    registry = DOMImplementationRegistry.newInstance();
    DOMImplementation impl = registry.getDOMImplementation("XML 3.0");
    Document doc = impl.createDocument(null, format, null);
    Element root, itxt, entry;
    root = doc.getDocumentElement();
    root.appendChild(itxt = doc.createElement("iTXt"));
    itxt.appendChild(entry = doc.createElement("iTXtEntry"));
    entry.setAttribute("keyword", "verbatim");
    entry.setAttribute("compressionFlag", "false");
    entry.setAttribute("compressionMethod", "0");
    entry.setAttribute("languageTag", "x-circled");
    entry.setAttribute("translatedKeyword", VERBATIM);
    entry.setAttribute("text", TEXT);
    itxt.appendChild(entry = doc.createElement("iTXtEntry"));
    entry.setAttribute("keyword", "compressed");
    entry.setAttribute("compressionFlag", "true");
    entry.setAttribute("compressionMethod", "0");
    entry.setAttribute("languageTag", "x-circled");
    entry.setAttribute("translatedKeyword", COMPRESSED);
    entry.setAttribute("text", TEXT);
    meta.mergeTree(format, root);
    iw.write(new IIOImage(img, null, meta));
    iw.dispose();
    byte[] bytes = os.toByteArray();
    if (dump)
        System.out.write(bytes);
    if (findBytes(VBYTES, bytes) < 0)
        throw new AssertionError("verbatim block not found");
    if (findBytes(CBYTES, bytes) < 0)
        throw new AssertionError("compressed block not found");
    int length = bytes.length;
    if (truncate)
        length = findBytes(VBYTES, bytes) + 32;
    ImageReader ir = ImageIO.getImageReader(iw);
    ByteArrayInputStream is = new ByteArrayInputStream(bytes, 0, length);
    ImageInputStream iis = new MemoryCacheImageInputStream(is);
    ir.setInput(iis);
    meta = ir.getImageMetadata(0);
    Node node = meta.getAsTree(format);
    for (node = node.getFirstChild(); !"iTXt".equals(node.getNodeName()); node = node.getNextSibling()) ;
    boolean verbatimSeen = false, compressedSeen = false;
    for (node = node.getFirstChild(); node != null; node = node.getNextSibling()) {
        entry = (Element) node;
        String keyword = entry.getAttribute("keyword");
        String translatedKeyword = entry.getAttribute("translatedKeyword");
        String text = entry.getAttribute("text");
        if ("verbatim".equals(keyword)) {
            if (verbatimSeen)
                throw new AssertionError("Duplicate");
            verbatimSeen = true;
            if (!VERBATIM.equals(translatedKeyword))
                throw new AssertionError("Wrong translated keyword");
            if (!TEXT.equals(text))
                throw new AssertionError("Wrong text");
        } else if ("compressed".equals(keyword)) {
            if (compressedSeen)
                throw new AssertionError("Duplicate");
            compressedSeen = true;
            if (!COMPRESSED.equals(translatedKeyword))
                throw new AssertionError("Wrong translated keyword");
            if (!TEXT.equals(text))
                throw new AssertionError("Wrong text");
        } else {
            throw new AssertionError("Unexpected keyword");
        }
    }
    if (!(verbatimSeen && compressedSeen))
        throw new AssertionError("Missing chunk");
}