Examples with IIOException javax.imageio.IIOException used on opensource projects

Example 1 with IIOException

use of javax.imageio.IIOException in project jdk8u_jdk by JetBrains.

the class ValidWbmpTest method main.

public static void main(String[] args) {
    try {
        String[] formats = { "JPEG", "PNG", "BMP" };
        BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_BYTE_GRAY);
        Graphics g = img.createGraphics();
        g.setColor(Color.white);
        g.fillRect(0, 0, 100, 100);
        g.setColor(Color.black);
        g.fillRect(10, 10, 80, 80);
        ImageReader ir = (ImageReader) ImageIO.getImageReadersByFormatName("WBMP").next();
        if (ir == null) {
            throw new RuntimeException("No readers for WBMP format!");
        }
        for (int i = 0; i < formats.length; i++) {
            System.out.println("Test " + formats[i] + " stream...");
            boolean passed = false;
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ImageIO.write(img, formats[i], baos);
            baos.close();
            ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
            ImageInputStream iis = null;
            iis = ImageIO.createImageInputStream(bais);
            ir.setInput(iis);
            try {
                BufferedImage res = ir.read(0);
            } catch (IIOException e) {
                StackTraceElement[] stack = e.getStackTrace();
                if (ir.getClass().getName().equals(stack[0].getClassName()) && "readHeader".equals(stack[0].getMethodName())) {
                    passed = true;
                }
            } catch (Throwable t) {
                t.printStackTrace();
            }
            if (!passed) {
                throw new RuntimeException("Test failed!");
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        throw new RuntimeException("Unexpected exception. Test failed.");
    }
}

Example 2 with IIOException

use of javax.imageio.IIOException in project frostwire by frostwire.

the class MP4Parser method getArtworkFromMP4.

static BufferedImage getArtworkFromMP4(File file) {
    BufferedImage image = null;
    try {
        RandomAccessFile iso = new RandomAccessFile(file, "r");
        LinkedList<Box> boxes = IsoFile.head(iso, ByteBuffer.allocate(100 * 1024));
        try {
            AppleCoverBox data = Box.findFirst(boxes, Box.covr);
            if (data != null) {
                byte[] imageData = data.value();
                if (data.dataType() == 13) {
                    // jpg
                    image = imageFromData(imageData);
                } else if (data.dataType() == 14) {
                    // png
                    try {
                        image = ImageIO.read(new ByteArrayInputStream(imageData, 0, imageData.length));
                    } catch (IIOException e) {
                        LOG.warn("Unable to decode png image from data tag");
                    }
                }
            }
        } finally {
            IOUtils.closeQuietly(iso);
        }
    } catch (Throwable e) {
    // LOG.error("Unable to read cover art from mp4 file: " + file);
    }
    return image;
}

Example 3 with IIOException

use of javax.imageio.IIOException in project jdk8u_jdk by JetBrains.

the class BMPImageReader method read.

public BufferedImage read(int imageIndex, ImageReadParam param) throws IOException {
    if (iis == null) {
        throw new IllegalStateException(I18N.getString("BMPImageReader5"));
    }
    checkIndex(imageIndex);
    clearAbortRequest();
    processImageStarted(imageIndex);
    if (param == null)
        param = getDefaultReadParam();
    //read header
    try {
        readHeader();
    } catch (IllegalArgumentException e) {
        throw new IIOException(I18N.getString("BMPImageReader6"), e);
    }
    sourceRegion = new Rectangle(0, 0, 0, 0);
    destinationRegion = new Rectangle(0, 0, 0, 0);
    computeRegions(param, this.width, this.height, param.getDestination(), sourceRegion, destinationRegion);
    scaleX = param.getSourceXSubsampling();
    scaleY = param.getSourceYSubsampling();
    // If the destination band is set used it
    sourceBands = param.getSourceBands();
    destBands = param.getDestinationBands();
    seleBand = (sourceBands != null) && (destBands != null);
    noTransform = destinationRegion.equals(new Rectangle(0, 0, width, height)) || seleBand;
    if (!seleBand) {
        sourceBands = new int[numBands];
        destBands = new int[numBands];
        for (int i = 0; i < numBands; i++) destBands[i] = sourceBands[i] = i;
    }
    // If the destination is provided, then use it.  Otherwise, create new one
    bi = param.getDestination();
    // Get the image data.
    WritableRaster raster = null;
    if (bi == null) {
        if (sampleModel != null && colorModel != null) {
            sampleModel = sampleModel.createCompatibleSampleModel(destinationRegion.x + destinationRegion.width, destinationRegion.y + destinationRegion.height);
            if (seleBand)
                sampleModel = sampleModel.createSubsetSampleModel(sourceBands);
            raster = Raster.createWritableRaster(sampleModel, new Point());
            bi = new BufferedImage(colorModel, raster, false, null);
        }
    } else {
        raster = bi.getWritableTile(0, 0);
        sampleModel = bi.getSampleModel();
        colorModel = bi.getColorModel();
        noTransform &= destinationRegion.equals(raster.getBounds());
    }
    // buffer for byte data
    byte[] bdata = null;
    // buffer for short data
    short[] sdata = null;
    // buffer for int data
    int[] idata = null;
    // the sampleModel can be null in case of embedded image
    if (sampleModel != null) {
        if (sampleModel.getDataType() == DataBuffer.TYPE_BYTE)
            bdata = (byte[]) ((DataBufferByte) raster.getDataBuffer()).getData();
        else if (sampleModel.getDataType() == DataBuffer.TYPE_USHORT)
            sdata = (short[]) ((DataBufferUShort) raster.getDataBuffer()).getData();
        else if (sampleModel.getDataType() == DataBuffer.TYPE_INT)
            idata = (int[]) ((DataBufferInt) raster.getDataBuffer()).getData();
    }
    // There should only be one tile.
    switch(imageType) {
        case VERSION_2_1_BIT:
            // no compression
            read1Bit(bdata);
            break;
        case VERSION_2_4_BIT:
            // no compression
            read4Bit(bdata);
            break;
        case VERSION_2_8_BIT:
            // no compression
            read8Bit(bdata);
            break;
        case VERSION_2_24_BIT:
            // no compression
            read24Bit(bdata);
            break;
        case VERSION_3_1_BIT:
            // 1-bit images cannot be compressed.
            read1Bit(bdata);
            break;
        case VERSION_3_4_BIT:
            switch((int) compression) {
                case BI_RGB:
                    read4Bit(bdata);
                    break;
                case BI_RLE4:
                    readRLE4(bdata);
                    break;
                default:
                    throw new IIOException(I18N.getString("BMPImageReader1"));
            }
            break;
        case VERSION_3_8_BIT:
            switch((int) compression) {
                case BI_RGB:
                    read8Bit(bdata);
                    break;
                case BI_RLE8:
                    readRLE8(bdata);
                    break;
                default:
                    throw new IIOException(I18N.getString("BMPImageReader1"));
            }
            break;
        case VERSION_3_24_BIT:
            // 24-bit images are not compressed
            read24Bit(bdata);
            break;
        case VERSION_3_NT_16_BIT:
            read16Bit(sdata);
            break;
        case VERSION_3_NT_32_BIT:
            read32Bit(idata);
            break;
        case VERSION_3_XP_EMBEDDED:
        case VERSION_4_XP_EMBEDDED:
        case VERSION_5_XP_EMBEDDED:
            bi = readEmbedded((int) compression, bi, param);
            break;
        case VERSION_4_1_BIT:
            read1Bit(bdata);
            break;
        case VERSION_4_4_BIT:
            switch((int) compression) {
                case BI_RGB:
                    read4Bit(bdata);
                    break;
                case BI_RLE4:
                    readRLE4(bdata);
                    break;
                default:
                    throw new IIOException(I18N.getString("BMPImageReader1"));
            }
        case VERSION_4_8_BIT:
            switch((int) compression) {
                case BI_RGB:
                    read8Bit(bdata);
                    break;
                case BI_RLE8:
                    readRLE8(bdata);
                    break;
                default:
                    throw new IIOException(I18N.getString("BMPImageReader1"));
            }
            break;
        case VERSION_4_16_BIT:
            read16Bit(sdata);
            break;
        case VERSION_4_24_BIT:
            read24Bit(bdata);
            break;
        case VERSION_4_32_BIT:
            read32Bit(idata);
            break;
    }
    if (abortRequested())
        processReadAborted();
    else
        processImageComplete();
    return bi;
}

Example 4 with IIOException

use of javax.imageio.IIOException in project jdk8u_jdk by JetBrains.

the class JPEGImageWriter method collectHTablesFromMetadata.

/**
     * Finds all DHT marker segments and returns all the q
     * tables as a single array of JPEGQTables.  The metadata
     * must not be for a progressive image, or an exception
     * will be thrown when two Huffman tables with the same
     * table id are encountered.
     */
private JPEGHuffmanTable[] collectHTablesFromMetadata(JPEGMetadata metadata, boolean wantDC) throws IIOException {
    ArrayList tables = new ArrayList();
    Iterator iter = metadata.markerSequence.iterator();
    while (iter.hasNext()) {
        MarkerSegment seg = (MarkerSegment) iter.next();
        if (seg instanceof DHTMarkerSegment) {
            DHTMarkerSegment dht = (DHTMarkerSegment) seg;
            for (int i = 0; i < dht.tables.size(); i++) {
                DHTMarkerSegment.Htable htable = (DHTMarkerSegment.Htable) dht.tables.get(i);
                if (htable.tableClass == (wantDC ? 0 : 1)) {
                    tables.add(htable);
                }
            }
        }
    }
    JPEGHuffmanTable[] retval = null;
    if (tables.size() != 0) {
        DHTMarkerSegment.Htable[] htables = new DHTMarkerSegment.Htable[tables.size()];
        tables.toArray(htables);
        retval = new JPEGHuffmanTable[tables.size()];
        for (int i = 0; i < retval.length; i++) {
            retval[i] = null;
            for (int j = 0; j < tables.size(); j++) {
                if (htables[j].tableID == i) {
                    if (retval[i] != null) {
                        throw new IIOException("Metadata has duplicate Htables!");
                    }
                    retval[i] = new JPEGHuffmanTable(htables[j].numCodes, htables[j].values);
                }
            }
        }
    }
    return retval;
}

Example 5 with IIOException

use of javax.imageio.IIOException in project jdk8u_jdk by JetBrains.

the class GIFImageReader method readHeader.

// END LZW STUFF
private void readHeader() throws IIOException {
    if (gotHeader) {
        return;
    }
    if (stream == null) {
        throw new IllegalStateException("Input not set!");
    }
    // Create an object to store the stream metadata
    this.streamMetadata = new GIFStreamMetadata();
    try {
        stream.setByteOrder(ByteOrder.LITTLE_ENDIAN);
        byte[] signature = new byte[6];
        stream.readFully(signature);
        StringBuffer version = new StringBuffer(3);
        version.append((char) signature[3]);
        version.append((char) signature[4]);
        version.append((char) signature[5]);
        streamMetadata.version = version.toString();
        streamMetadata.logicalScreenWidth = stream.readUnsignedShort();
        streamMetadata.logicalScreenHeight = stream.readUnsignedShort();
        int packedFields = stream.readUnsignedByte();
        boolean globalColorTableFlag = (packedFields & 0x80) != 0;
        streamMetadata.colorResolution = ((packedFields >> 4) & 0x7) + 1;
        streamMetadata.sortFlag = (packedFields & 0x8) != 0;
        int numGCTEntries = 1 << ((packedFields & 0x7) + 1);
        streamMetadata.backgroundColorIndex = stream.readUnsignedByte();
        streamMetadata.pixelAspectRatio = stream.readUnsignedByte();
        if (globalColorTableFlag) {
            streamMetadata.globalColorTable = new byte[3 * numGCTEntries];
            stream.readFully(streamMetadata.globalColorTable);
        } else {
            streamMetadata.globalColorTable = null;
        }
        // Found position of metadata for image 0
        imageStartPosition.add(Long.valueOf(stream.getStreamPosition()));
    } catch (IOException e) {
        throw new IIOException("I/O error reading header!", e);
    }
    gotHeader = true;
}