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

Example 16 with IIOException

use of javax.imageio.IIOException in project imageio-ext by geosolutions-it.

the class TIFFFaxDecompressor method decodeT4.

public void decodeT4() throws IIOException {
    int height = h;
    int a0, a1, b1, b2;
    int[] b = new int[2];
    int entry, code, bits, color;
    boolean isWhite;
    int currIndex = 0;
    int[] temp;
    if (data.length < 2) {
        throw new IIOException("Insufficient data to read initial EOL.");
    }
    // The data should start with an EOL code
    int next12 = nextNBits(12);
    if (next12 != 1) {
        warning("T.4 compressed data should begin with EOL.");
    }
    updatePointer(12);
    // Find the first one-dimensionally encoded line.
    int modeFlag = 0;
    // indicates imaginary line before first actual line.
    int lines = -1;
    while (modeFlag != 1) {
        try {
            modeFlag = findNextLine();
            // Normally 'lines' will be 0 on exiting loop.
            lines++;
        } catch (EOFException eofe) {
            throw new IIOException("No reference line present.");
        }
    }
    int bitOffset;
    // Then the 1D encoded scanline data will occur, changing elements
    // array gets set.
    decodeNextScanline(srcMinY);
    lines++;
    lineBitNum += bitsPerScanline;
    while (lines < height) {
        // indicates whether the following scanline is 1D or 2D encoded.
        try {
            modeFlag = findNextLine();
        } catch (EOFException eofe) {
            warning("Input exhausted before EOL found at line " + (srcMinY + lines) + ": read 0 of " + w + " expected pixels.");
            break;
        }
        if (modeFlag == 0) {
            // 2D encoded scanline follows
            // Initialize previous scanlines changing elements, and
            // initialize current scanline's changing elements array
            temp = prevChangingElems;
            prevChangingElems = currChangingElems;
            currChangingElems = temp;
            currIndex = 0;
            // a0 has to be set just before the start of this scanline.
            a0 = -1;
            isWhite = true;
            bitOffset = 0;
            lastChangingElement = 0;
            while (bitOffset < w) {
                // Get the next changing element
                getNextChangingElement(a0, isWhite, b);
                b1 = b[0];
                b2 = b[1];
                // Get the next seven bits
                entry = nextLesserThan8Bits(7);
                // Run these through the 2DCodes table
                entry = (int) (twoDCodes[entry] & 0xff);
                // Get the code and the number of bits used up
                code = (entry & 0x78) >>> 3;
                bits = entry & 0x07;
                if (code == 0) {
                    if (!isWhite) {
                        setToBlack(bitOffset, b2 - bitOffset);
                    }
                    bitOffset = a0 = b2;
                    // Set pointer to consume the correct number of bits.
                    updatePointer(7 - bits);
                } else if (code == 1) {
                    // Horizontal
                    updatePointer(7 - bits);
                    // identify the next 2 codes.
                    int number;
                    if (isWhite) {
                        number = decodeWhiteCodeWord();
                        bitOffset += number;
                        currChangingElems[currIndex++] = bitOffset;
                        number = decodeBlackCodeWord();
                        setToBlack(bitOffset, number);
                        bitOffset += number;
                        currChangingElems[currIndex++] = bitOffset;
                    } else {
                        number = decodeBlackCodeWord();
                        setToBlack(bitOffset, number);
                        bitOffset += number;
                        currChangingElems[currIndex++] = bitOffset;
                        number = decodeWhiteCodeWord();
                        bitOffset += number;
                        currChangingElems[currIndex++] = bitOffset;
                    }
                    a0 = bitOffset;
                } else if (code <= 8) {
                    // Vertical
                    a1 = b1 + (code - 5);
                    currChangingElems[currIndex++] = a1;
                    // since a1 is where the next color starts
                    if (!isWhite) {
                        setToBlack(bitOffset, a1 - bitOffset);
                    }
                    bitOffset = a0 = a1;
                    isWhite = !isWhite;
                    updatePointer(7 - bits);
                } else {
                    warning("Unknown coding mode encountered at line " + (srcMinY + lines) + ": read " + bitOffset + " of " + w + " expected pixels.");
                    // Find the next one-dimensionally encoded line.
                    int numLinesTested = 0;
                    while (modeFlag != 1) {
                        try {
                            modeFlag = findNextLine();
                            numLinesTested++;
                        } catch (EOFException eofe) {
                            warning("Sync loss at line " + (srcMinY + lines) + ": read " + lines + " of " + height + " lines.");
                            return;
                        }
                    }
                    lines += numLinesTested - 1;
                    updatePointer(13);
                    break;
                }
            }
            // Add the changing element beyond the current scanline for the
            // other color too
            currChangingElems[currIndex++] = bitOffset;
            changingElemSize = currIndex;
        } else {
            // modeFlag == 1
            // 1D encoded scanline follows
            decodeNextScanline(srcMinY + lines);
        }
        lineBitNum += bitsPerScanline;
        lines++;
    }
// while(lines < height)
}

Example 17 with IIOException

use of javax.imageio.IIOException in project imageio-ext by geosolutions-it.

the class EmptyImage method prepareReplacePixels.

public void prepareReplacePixels(int imageIndex, Rectangle region) throws IOException {
    synchronized (replacePixelsLock) {
        // Check state and parameters vis-a-vis ImageWriter specification.
        if (stream == null) {
            throw new IllegalStateException("Output not set!");
        }
        if (region == null) {
            throw new IllegalArgumentException("region == null!");
        }
        if (region.getWidth() < 1) {
            throw new IllegalArgumentException("region.getWidth() < 1!");
        }
        if (region.getHeight() < 1) {
            throw new IllegalArgumentException("region.getHeight() < 1!");
        }
        if (inReplacePixelsNest) {
            throw new IllegalStateException("In nested call to prepareReplacePixels!");
        }
        // Read the IFD for the pixel replacement index.
        TIFFIFD replacePixelsIFD = readIFD(imageIndex);
        // Ensure that compression is "none".
        TIFFField f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
        int compression = f.getAsInt(0);
        if (compression != BaselineTIFFTagSet.COMPRESSION_NONE) {
            throw new UnsupportedOperationException("canReplacePixels(imageIndex) == false!");
        }
        // Get the image dimensions.
        f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_WIDTH);
        if (f == null) {
            throw new IIOException("Cannot read ImageWidth field.");
        }
        int w = f.getAsInt(0);
        f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_LENGTH);
        if (f == null) {
            throw new IIOException("Cannot read ImageHeight field.");
        }
        int h = f.getAsInt(0);
        // Create image bounds.
        Rectangle bounds = new Rectangle(0, 0, w, h);
        // Intersect region with bounds.
        region = region.intersection(bounds);
        // Check for empty intersection.
        if (region.isEmpty()) {
            throw new IIOException("Region does not intersect image bounds");
        }
        // Save the region.
        replacePixelsRegion = region;
        // Get the tile offsets.
        f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_TILE_OFFSETS);
        if (f == null) {
            f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_STRIP_OFFSETS);
        }
        replacePixelsTileOffsets = f.getAsLongs();
        // Get the byte counts.
        f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_TILE_BYTE_COUNTS);
        if (f == null) {
            f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_STRIP_BYTE_COUNTS);
        }
        replacePixelsByteCounts = f.getAsLongs();
        replacePixelsOffsetsPosition = replacePixelsIFD.getStripOrTileOffsetsPosition();
        replacePixelsByteCountsPosition = replacePixelsIFD.getStripOrTileByteCountsPosition();
        // Get the image metadata.
        replacePixelsMetadata = new TIFFImageMetadata(replacePixelsIFD);
        // Save the image index.
        replacePixelsIndex = imageIndex;
        // Set the pixel replacement flag.
        inReplacePixelsNest = true;
    }
}

Example 18 with IIOException

use of javax.imageio.IIOException in project imageio-ext by geosolutions-it.

the class EmptyImage method convertImageMetadata.

public IIOMetadata convertImageMetadata(IIOMetadata inData, ImageTypeSpecifier imageType, ImageWriteParam param) {
    // Check arguments.
    if (inData == null) {
        throw new IllegalArgumentException("inData == null!");
    }
    if (imageType == null) {
        throw new IllegalArgumentException("imageType == null!");
    }
    TIFFImageMetadata outData = null;
    // Obtain a TIFFImageMetadata object.
    if (inData instanceof TIFFImageMetadata) {
        // Create a new metadata object from a clone of the input IFD.
        TIFFIFD inIFD = ((TIFFImageMetadata) inData).getRootIFD();
        outData = new TIFFImageMetadata(inIFD.getShallowClone());
    } else if (Arrays.asList(inData.getMetadataFormatNames()).contains(TIFFImageMetadata.nativeMetadataFormatName)) {
        // Initialize from the native metadata form of the input tree.
        try {
            outData = convertNativeImageMetadata(inData);
        } catch (IIOInvalidTreeException e) {
        // XXX Warning
        }
    } else if (inData.isStandardMetadataFormatSupported()) {
        // Initialize from the standard metadata form of the input tree.
        try {
            outData = convertStandardImageMetadata(inData);
        } catch (IIOInvalidTreeException e) {
        // XXX Warning
        }
    }
    // Update the metadata per the image type and param.
    if (outData != null) {
        TIFFImageWriter bogusWriter = new TIFFImageWriter(this.originatingProvider);
        bogusWriter.imageMetadata = outData;
        bogusWriter.param = param;
        SampleModel sm = imageType.getSampleModel();
        try {
            bogusWriter.setupMetadata(imageType.getColorModel(), sm, sm.getWidth(), sm.getHeight());
            return bogusWriter.imageMetadata;
        } catch (IIOException e) {
            // XXX Warning
            return null;
        }
    }
    return outData;
}

Example 19 with IIOException

use of javax.imageio.IIOException in project imageio-ext by geosolutions-it.

the class EmptyImage method setupMetadata.

/**
 * Sets up the output metadata adding, removing, and overriding fields
 * as needed. The destination image dimensions are provided as parameters
 * because these might differ from those of the source due to subsampling.
 *
 * @param cm The <code>ColorModel</code> of the image being written.
 * @param sm The <code>SampleModel</code> of the image being written.
 * @param destWidth The width of the written image after subsampling.
 * @param destHeight The height of the written image after subsampling.
 */
void setupMetadata(ColorModel cm, SampleModel sm, int destWidth, int destHeight) throws IIOException {
    // Get initial IFD from metadata
    // Always emit these fields:
    // 
    // Override values from metadata:
    // 
    // planarConfiguration -> chunky (planar not supported on output)
    // 
    // Override values from metadata with image-derived values:
    // 
    // bitsPerSample (if not bilivel)
    // colorMap (if palette color)
    // photometricInterpretation (derive from image)
    // imageLength
    // imageWidth
    // 
    // rowsPerStrip     \      /   tileLength
    // stripOffsets      | OR |   tileOffsets
    // stripByteCounts  /     |   tileByteCounts
    // \   tileWidth
    // 
    // 
    // Override values from metadata with write param values:
    // 
    // compression
    // Use values from metadata if present for these fields,
    // otherwise use defaults:
    // 
    // resolutionUnit
    // XResolution (take from metadata if present)
    // YResolution
    // rowsPerStrip
    // sampleFormat
    TIFFIFD rootIFD = imageMetadata.getRootIFD();
    BaselineTIFFTagSet base = BaselineTIFFTagSet.getInstance();
    // If PlanarConfiguration field present, set value to chunky.
    TIFFField f = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_PLANAR_CONFIGURATION);
    if (f != null && f.getAsInt(0) != BaselineTIFFTagSet.PLANAR_CONFIGURATION_CHUNKY) {
        // XXX processWarningOccurred()
        TIFFField planarConfigurationField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_PLANAR_CONFIGURATION), BaselineTIFFTagSet.PLANAR_CONFIGURATION_CHUNKY);
        rootIFD.addTIFFField(planarConfigurationField);
    }
    char[] extraSamples = null;
    this.photometricInterpretation = -1;
    boolean forcePhotometricInterpretation = false;
    f = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_PHOTOMETRIC_INTERPRETATION);
    if (f != null) {
        photometricInterpretation = f.getAsInt(0);
        if (photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_PALETTE_COLOR && !(cm instanceof IndexColorModel)) {
            photometricInterpretation = -1;
        } else {
            forcePhotometricInterpretation = true;
        }
    }
    // f = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_EXTRA_SAMPLES);
    // if (f != null) {
    // extraSamples = f.getAsChars();
    // }
    // f = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_BITS_PER_SAMPLE);
    // if (f != null) {
    // bitsPerSample = f.getAsChars();
    // }
    int[] sampleSize = sm.getSampleSize();
    int numBands = sm.getNumBands();
    int numExtraSamples = 0;
    // cannot be zero.
    if (numBands > 1 && cm != null && cm.hasAlpha()) {
        --numBands;
        numExtraSamples = 1;
        extraSamples = new char[1];
        if (cm.isAlphaPremultiplied()) {
            extraSamples[0] = BaselineTIFFTagSet.EXTRA_SAMPLES_ASSOCIATED_ALPHA;
        } else {
            extraSamples[0] = BaselineTIFFTagSet.EXTRA_SAMPLES_UNASSOCIATED_ALPHA;
        }
    }
    if (numBands == 3) {
        this.nativePhotometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_RGB;
        if (photometricInterpretation == -1) {
            photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_RGB;
        }
    } else if (sm.getNumBands() == 1 && cm instanceof IndexColorModel) {
        IndexColorModel icm = (IndexColorModel) cm;
        int r0 = icm.getRed(0);
        int r1 = icm.getRed(1);
        if (icm.getMapSize() == 2 && (r0 == icm.getGreen(0)) && (r0 == icm.getBlue(0)) && (r1 == icm.getGreen(1)) && (r1 == icm.getBlue(1)) && (r0 == 0 || r0 == 255) && (r1 == 0 || r1 == 255) && (r0 != r1)) {
            if (r0 == 0) {
                nativePhotometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO;
            } else {
                nativePhotometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO;
            }
            // WhiteIsZero or BlackIsZero, leave it alone
            if (photometricInterpretation != BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO && photometricInterpretation != BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO) {
                photometricInterpretation = r0 == 0 ? BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO : BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO;
            }
        } else {
            nativePhotometricInterpretation = photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_PALETTE_COLOR;
        }
    } else {
        if (cm != null) {
            switch(cm.getColorSpace().getType()) {
                case ColorSpace.TYPE_Lab:
                    nativePhotometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_CIELAB;
                    break;
                case ColorSpace.TYPE_YCbCr:
                    nativePhotometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_Y_CB_CR;
                    break;
                case ColorSpace.TYPE_CMYK:
                    nativePhotometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_CMYK;
                    break;
                default:
                    nativePhotometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO;
            }
        } else {
            nativePhotometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO;
        }
        if (photometricInterpretation == -1) {
            photometricInterpretation = nativePhotometricInterpretation;
        }
    }
    // Set the compressor and color converter.
    this.compressor = null;
    this.colorConverter = null;
    if (param instanceof TIFFImageWriteParam) {
        TIFFImageWriteParam tparam = (TIFFImageWriteParam) param;
        if (tparam.getCompressionMode() == tparam.MODE_EXPLICIT) {
            compressor = tparam.getTIFFCompressor();
            String compressionType = param.getCompressionType();
            if (compressor != null && !compressor.getCompressionType().equals(compressionType)) {
                // Unset the TIFFCompressor if its compression type is
                // not the one selected.
                compressor = null;
            }
        } else {
            // Compression mode not MODE_EXPLICIT.
            compressor = null;
        }
        colorConverter = tparam.getColorConverter();
        if (colorConverter != null) {
            photometricInterpretation = tparam.getPhotometricInterpretation();
        }
    }
    // Emit compression tag
    int compressionMode = param instanceof TIFFImageWriteParam ? param.getCompressionMode() : ImageWriteParam.MODE_DEFAULT;
    switch(compressionMode) {
        case ImageWriteParam.MODE_EXPLICIT:
            {
                String compressionType = param.getCompressionType();
                if (compressionType == null) {
                    this.compression = BaselineTIFFTagSet.COMPRESSION_NONE;
                } else {
                    // Determine corresponding compression tag value.
                    int len = compressionTypes.length;
                    for (int i = 0; i < len; i++) {
                        if (compressionType.equals(compressionTypes[i])) {
                            this.compression = compressionNumbers[i];
                        }
                    }
                }
                // with the precedence described in TIFFImageWriteParam.
                if (compressor != null && compressor.getCompressionTagValue() != this.compression) {
                    // Does not match: unset the compressor.
                    compressor = null;
                }
            }
            break;
        case ImageWriteParam.MODE_COPY_FROM_METADATA:
            {
                TIFFField compField = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
                if (compField != null) {
                    this.compression = compField.getAsInt(0);
                    break;
                }
            }
        case ImageWriteParam.MODE_DEFAULT:
        case ImageWriteParam.MODE_DISABLED:
        default:
            this.compression = BaselineTIFFTagSet.COMPRESSION_NONE;
    }
    TIFFField predictorField = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_PREDICTOR);
    if (predictorField != null) {
        this.predictor = predictorField.getAsInt(0);
        // We only support Horizontal Predictor for a bitDepth of 8
        if (sampleSize[0] != 8 || // Check the value of the tag for validity
        (predictor != BaselineTIFFTagSet.PREDICTOR_NONE && predictor != BaselineTIFFTagSet.PREDICTOR_HORIZONTAL_DIFFERENCING)) {
            // XXX processWarningOccured ???
            // Set to default
            predictor = BaselineTIFFTagSet.PREDICTOR_NONE;
            // Emit this changed predictor value to metadata
            TIFFField newPredictorField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_PREDICTOR), predictor);
            rootIFD.addTIFFField(newPredictorField);
        }
    // XXX Do we need to ensure that predictor is not passed on if
    // the compression is not either Deflate or LZW?
    }
    TIFFField compressionField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_COMPRESSION), compression);
    rootIFD.addTIFFField(compressionField);
    // Set EXIF flag. Note that there is no way to determine definitively
    // when an uncompressed thumbnail is being written as the EXIF IFD
    // pointer field is optional for thumbnails.
    boolean isEXIF = false;
    if (numBands == 3 && sampleSize[0] == 8 && sampleSize[1] == 8 && sampleSize[2] == 8) {
        // Three bands with 8 bits per sample.
        if (rootIFD.getTIFFField(EXIFParentTIFFTagSet.TAG_EXIF_IFD_POINTER) != null) {
            // EXIF IFD pointer present.
            if (compression == BaselineTIFFTagSet.COMPRESSION_NONE && (photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_RGB || photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_Y_CB_CR)) {
                // Uncompressed RGB or YCbCr.
                isEXIF = true;
            } else if (compression == BaselineTIFFTagSet.COMPRESSION_OLD_JPEG) {
                // Compressed.
                isEXIF = true;
            }
        } else if (compressionMode == ImageWriteParam.MODE_EXPLICIT && EXIF_JPEG_COMPRESSION_TYPE.equals(param.getCompressionType())) {
            // EXIF IFD pointer absent but EXIF JPEG compression set.
            isEXIF = true;
        }
    }
    // Initialize JPEG interchange format flag which is used to
    // indicate that the image is stored as a single JPEG stream.
    // This flag is separated from the 'isEXIF' flag in case JPEG
    // interchange format is eventually supported for non-EXIF images.
    boolean isJPEGInterchange = isEXIF && compression == BaselineTIFFTagSet.COMPRESSION_OLD_JPEG;
    if (compressor == null) {
        if (compression == BaselineTIFFTagSet.COMPRESSION_CCITT_RLE) {
            if (PackageUtil.isCodecLibAvailable()) {
                try {
                    compressor = new TIFFCodecLibRLECompressor();
                    if (DEBUG) {
                        System.out.println("Using codecLib RLE compressor");
                    }
                } catch (RuntimeException e) {
                    if (DEBUG) {
                        System.out.println(e);
                    }
                }
            }
            if (compressor == null) {
                compressor = new TIFFRLECompressor();
                if (DEBUG) {
                    System.out.println("Using Java RLE compressor");
                }
            }
            if (!forcePhotometricInterpretation) {
                photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO;
            }
        } else if (compression == BaselineTIFFTagSet.COMPRESSION_CCITT_T_4) {
            if (PackageUtil.isCodecLibAvailable()) {
                try {
                    compressor = new TIFFCodecLibT4Compressor();
                    if (DEBUG) {
                        System.out.println("Using codecLib T.4 compressor");
                    }
                } catch (RuntimeException e) {
                    if (DEBUG) {
                        System.out.println(e);
                    }
                }
            }
            if (compressor == null) {
                compressor = new TIFFT4Compressor();
                if (DEBUG) {
                    System.out.println("Using Java T.4 compressor");
                }
            }
            if (!forcePhotometricInterpretation) {
                photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO;
            }
        } else if (compression == BaselineTIFFTagSet.COMPRESSION_CCITT_T_6) {
            if (PackageUtil.isCodecLibAvailable()) {
                try {
                    compressor = new TIFFCodecLibT6Compressor();
                    if (DEBUG) {
                        System.out.println("Using codecLib T.6 compressor");
                    }
                } catch (RuntimeException e) {
                    if (DEBUG) {
                        System.out.println(e);
                    }
                }
            }
            if (compressor == null) {
                compressor = new TIFFT6Compressor();
                if (DEBUG) {
                    System.out.println("Using Java T.6 compressor");
                }
            }
            if (!forcePhotometricInterpretation) {
                photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO;
            }
        } else if (compression == BaselineTIFFTagSet.COMPRESSION_LZW) {
            compressor = new TIFFLZWCompressor(predictor);
        } else if (compression == BaselineTIFFTagSet.COMPRESSION_OLD_JPEG) {
            if (isEXIF) {
                compressor = new TIFFEXIFJPEGCompressor(param);
            } else {
                throw new IIOException("Old JPEG compression not supported!");
            }
        } else if (compression == BaselineTIFFTagSet.COMPRESSION_JPEG) {
            if (numBands == 3 && sampleSize[0] == 8 && sampleSize[1] == 8 && sampleSize[2] == 8) {
                photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_Y_CB_CR;
            } else if (numBands == 1 && sampleSize[0] == 8) {
                photometricInterpretation = BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO;
            } else {
                throw new IIOException("JPEG compression supported for 1- and 3-band byte images only!");
            }
            compressor = new TIFFJPEGCompressor(param);
        } else if (compression == BaselineTIFFTagSet.COMPRESSION_ZLIB) {
            compressor = new TIFFZLibCompressor(param, predictor);
        } else if (compression == BaselineTIFFTagSet.COMPRESSION_PACKBITS) {
            compressor = new TIFFPackBitsCompressor();
        } else if (compression == BaselineTIFFTagSet.COMPRESSION_DEFLATE) {
            compressor = new TIFFDeflateCompressor(param, predictor);
        } else {
            // Determine inverse fill setting.
            f = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_FILL_ORDER);
            boolean inverseFill = (f != null && f.getAsInt(0) == 2);
            if (inverseFill) {
                compressor = new TIFFLSBCompressor();
            } else {
                compressor = new TIFFNullCompressor();
            }
        }
    // compression == ?
    }
    if (DEBUG) {
        if (param != null && param.getCompressionMode() == param.MODE_EXPLICIT) {
            System.out.println("compressionType = " + param.getCompressionType());
        }
        if (compressor != null) {
            System.out.println("compressor = " + compressor.getClass().getName());
        }
    }
    if (colorConverter == null) {
        if (cm != null && cm.getColorSpace().getType() == ColorSpace.TYPE_RGB) {
            // 
            if (photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_Y_CB_CR && compression != BaselineTIFFTagSet.COMPRESSION_JPEG) {
                // 
                // Convert RGB to YCbCr only if compression type is not
                // JPEG in which case this is handled implicitly by the
                // compressor.
                // 
                colorConverter = new TIFFYCbCrColorConverter(imageMetadata);
            } else if (photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_CIELAB) {
                colorConverter = new TIFFCIELabColorConverter();
            }
        }
    }
    // 
    if (photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_Y_CB_CR && compression != BaselineTIFFTagSet.COMPRESSION_JPEG) {
        // Remove old subsampling and positioning fields.
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_SUBSAMPLING);
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_POSITIONING);
        // Add unity chrominance subsampling factors.
        rootIFD.addTIFFField(new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_Y_CB_CR_SUBSAMPLING), TIFFTag.TIFF_SHORT, 2, new char[] { (char) 1, (char) 1 }));
        // Add cosited positioning.
        rootIFD.addTIFFField(new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_Y_CB_CR_POSITIONING), TIFFTag.TIFF_SHORT, 1, new char[] { (char) BaselineTIFFTagSet.Y_CB_CR_POSITIONING_COSITED }));
    }
    TIFFField photometricInterpretationField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_PHOTOMETRIC_INTERPRETATION), photometricInterpretation);
    rootIFD.addTIFFField(photometricInterpretationField);
    this.bitsPerSample = new char[numBands + numExtraSamples];
    this.bitDepth = 0;
    for (int i = 0; i < numBands; i++) {
        this.bitDepth = Math.max(bitDepth, sampleSize[i]);
    }
    if (bitDepth == 3) {
        bitDepth = 4;
    } else if (bitDepth > 4 && bitDepth <= 8) {
        bitDepth = 8;
    } else if (bitDepth > 8 && bitDepth <= 16) {
        bitDepth = 16;
    } else if (bitDepth > 16 && bitDepth <= 32) {
        bitDepth = 32;
    } else if (bitDepth > 32) {
        bitDepth = 64;
    }
    for (int i = 0; i < bitsPerSample.length; i++) {
        bitsPerSample[i] = (char) bitDepth;
    }
    // if already in the metadata and correct (count and value == 1).
    if (bitsPerSample.length != 1 || bitsPerSample[0] != 1) {
        TIFFField bitsPerSampleField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_BITS_PER_SAMPLE), TIFFTag.TIFF_SHORT, bitsPerSample.length, bitsPerSample);
        rootIFD.addTIFFField(bitsPerSampleField);
    } else {
        // bitsPerSample.length == 1 && bitsPerSample[0] == 1
        TIFFField bitsPerSampleField = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_BITS_PER_SAMPLE);
        if (bitsPerSampleField != null) {
            int[] bps = bitsPerSampleField.getAsInts();
            if (bps == null || bps.length != 1 || bps[0] != 1) {
                rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_BITS_PER_SAMPLE);
            }
        }
    }
    // Prepare SampleFormat field.
    f = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_SAMPLE_FORMAT);
    if (f == null && (bitDepth == 16 || bitDepth == 32 || bitDepth == 64)) {
        // Set up default content for 16- and 32-bit cases.
        char sampleFormatValue;
        int dataType = sm.getDataType();
        if (bitDepth == 16 && dataType == DataBuffer.TYPE_USHORT) {
            sampleFormatValue = (char) BaselineTIFFTagSet.SAMPLE_FORMAT_UNSIGNED_INTEGER;
        } else if (bitDepth == 32 && dataType == DataBuffer.TYPE_FLOAT) {
            sampleFormatValue = (char) BaselineTIFFTagSet.SAMPLE_FORMAT_FLOATING_POINT;
        } else if (bitDepth == 64 && dataType == DataBuffer.TYPE_DOUBLE) {
            sampleFormatValue = (char) BaselineTIFFTagSet.SAMPLE_FORMAT_FLOATING_POINT;
        } else {
            sampleFormatValue = BaselineTIFFTagSet.SAMPLE_FORMAT_SIGNED_INTEGER;
        }
        this.sampleFormat = (int) sampleFormatValue;
        char[] sampleFormatArray = new char[bitsPerSample.length];
        Arrays.fill(sampleFormatArray, sampleFormatValue);
        // Update the metadata.
        TIFFTag sampleFormatTag = base.getTag(BaselineTIFFTagSet.TAG_SAMPLE_FORMAT);
        TIFFField sampleFormatField = new TIFFField(sampleFormatTag, TIFFTag.TIFF_SHORT, sampleFormatArray.length, sampleFormatArray);
        rootIFD.addTIFFField(sampleFormatField);
    } else if (f != null) {
        // Get whatever was provided.
        sampleFormat = f.getAsInt(0);
    } else {
        // Set default value for internal use only.
        sampleFormat = BaselineTIFFTagSet.SAMPLE_FORMAT_UNDEFINED;
    }
    if (extraSamples != null) {
        TIFFField extraSamplesField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_EXTRA_SAMPLES), TIFFTag.TIFF_SHORT, extraSamples.length, extraSamples);
        rootIFD.addTIFFField(extraSamplesField);
    } else {
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_EXTRA_SAMPLES);
    }
    TIFFField samplesPerPixelField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_SAMPLES_PER_PIXEL), bitsPerSample.length);
    rootIFD.addTIFFField(samplesPerPixelField);
    // Emit ColorMap if image is of palette color type
    if (photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_PALETTE_COLOR && cm instanceof IndexColorModel) {
        char[] colorMap = new char[3 * (1 << bitsPerSample[0])];
        IndexColorModel icm = (IndexColorModel) cm;
        // mapSize is determined by BitsPerSample, not by incoming ICM.
        int mapSize = 1 << bitsPerSample[0];
        int indexBound = Math.min(mapSize, icm.getMapSize());
        for (int i = 0; i < indexBound; i++) {
            colorMap[i] = (char) ((icm.getRed(i) * 65535) / 255);
            colorMap[mapSize + i] = (char) ((icm.getGreen(i) * 65535) / 255);
            colorMap[2 * mapSize + i] = (char) ((icm.getBlue(i) * 65535) / 255);
        }
        TIFFField colorMapField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_COLOR_MAP), TIFFTag.TIFF_SHORT, colorMap.length, colorMap);
        rootIFD.addTIFFField(colorMapField);
    } else {
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_COLOR_MAP);
    }
    // metadata and the ColorSpace is non-standard ICC.
    if (cm != null && rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_ICC_PROFILE) == null && ImageUtil.isNonStandardICCColorSpace(cm.getColorSpace())) {
        ICC_ColorSpace iccColorSpace = (ICC_ColorSpace) cm.getColorSpace();
        byte[] iccProfileData = iccColorSpace.getProfile().getData();
        TIFFField iccProfileField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_ICC_PROFILE), TIFFTag.TIFF_UNDEFINED, iccProfileData.length, iccProfileData);
        rootIFD.addTIFFField(iccProfileField);
    }
    // Always emit XResolution and YResolution.
    TIFFField XResolutionField = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_X_RESOLUTION);
    TIFFField YResolutionField = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_Y_RESOLUTION);
    if (XResolutionField == null && YResolutionField == null) {
        long[][] resRational = new long[1][2];
        resRational[0] = new long[2];
        TIFFField ResolutionUnitField = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_RESOLUTION_UNIT);
        // quantities is present.
        if (ResolutionUnitField == null && rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_X_POSITION) == null && rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_Y_POSITION) == null) {
            // Set resolution to unit and units to dimensionless.
            resRational[0][0] = 1;
            resRational[0][1] = 1;
            ResolutionUnitField = new TIFFField(rootIFD.getTag(BaselineTIFFTagSet.TAG_RESOLUTION_UNIT), BaselineTIFFTagSet.RESOLUTION_UNIT_NONE);
            rootIFD.addTIFFField(ResolutionUnitField);
        } else {
            // Set resolution to a value which would make the maximum
            // image dimension equal to 4 inches as arbitrarily stated
            // in the description of ResolutionUnit in the TIFF 6.0
            // specification. If the ResolutionUnit field specifies
            // "none" then set the resolution to unity (1/1).
            int resolutionUnit = ResolutionUnitField != null ? ResolutionUnitField.getAsInt(0) : BaselineTIFFTagSet.RESOLUTION_UNIT_INCH;
            int maxDimension = Math.max(destWidth, destHeight);
            switch(resolutionUnit) {
                case BaselineTIFFTagSet.RESOLUTION_UNIT_INCH:
                    resRational[0][0] = maxDimension;
                    resRational[0][1] = 4;
                    break;
                case BaselineTIFFTagSet.RESOLUTION_UNIT_CENTIMETER:
                    // divide out 100
                    resRational[0][0] = 100L * maxDimension;
                    // 2.54 cm/inch * 100
                    resRational[0][1] = 4 * 254;
                    break;
                default:
                    resRational[0][0] = 1;
                    resRational[0][1] = 1;
            }
        }
        XResolutionField = new TIFFField(rootIFD.getTag(BaselineTIFFTagSet.TAG_X_RESOLUTION), TIFFTag.TIFF_RATIONAL, 1, resRational);
        rootIFD.addTIFFField(XResolutionField);
        YResolutionField = new TIFFField(rootIFD.getTag(BaselineTIFFTagSet.TAG_Y_RESOLUTION), TIFFTag.TIFF_RATIONAL, 1, resRational);
        rootIFD.addTIFFField(YResolutionField);
    } else if (XResolutionField == null && YResolutionField != null) {
        // Set XResolution to YResolution.
        long[] yResolution = (long[]) YResolutionField.getAsRational(0).clone();
        XResolutionField = new TIFFField(rootIFD.getTag(BaselineTIFFTagSet.TAG_X_RESOLUTION), TIFFTag.TIFF_RATIONAL, 1, yResolution);
        rootIFD.addTIFFField(XResolutionField);
    } else if (XResolutionField != null && YResolutionField == null) {
        // Set YResolution to XResolution.
        long[] xResolution = (long[]) XResolutionField.getAsRational(0).clone();
        YResolutionField = new TIFFField(rootIFD.getTag(BaselineTIFFTagSet.TAG_Y_RESOLUTION), TIFFTag.TIFF_RATIONAL, 1, xResolution);
        rootIFD.addTIFFField(YResolutionField);
    }
    // Set mandatory fields, overriding metadata passed in
    int width = destWidth;
    TIFFField imageWidthField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_IMAGE_WIDTH), width);
    rootIFD.addTIFFField(imageWidthField);
    int height = destHeight;
    TIFFField imageLengthField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_IMAGE_LENGTH), height);
    rootIFD.addTIFFField(imageLengthField);
    // Determine rowsPerStrip
    int rowsPerStrip;
    TIFFField rowsPerStripField = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_ROWS_PER_STRIP);
    if (rowsPerStripField != null) {
        rowsPerStrip = rowsPerStripField.getAsInt(0);
        if (rowsPerStrip < 0) {
            rowsPerStrip = height;
        }
    } else {
        int bitsPerPixel = bitDepth * (numBands + numExtraSamples);
        int bytesPerRow = (bitsPerPixel * width + 7) / 8;
        rowsPerStrip = Math.max(Math.max(DEFAULT_BYTES_PER_STRIP / bytesPerRow, 1), 8);
    }
    rowsPerStrip = Math.min(rowsPerStrip, height);
    // Tiling flag.
    boolean useTiling = false;
    // Analyze tiling parameters
    int tilingMode = param instanceof TIFFImageWriteParam ? param.getTilingMode() : ImageWriteParam.MODE_DEFAULT;
    if (tilingMode == ImageWriteParam.MODE_DISABLED || tilingMode == ImageWriteParam.MODE_DEFAULT) {
        this.tileWidth = width;
        this.tileLength = rowsPerStrip;
        useTiling = false;
    } else if (tilingMode == ImageWriteParam.MODE_EXPLICIT) {
        tileWidth = param.getTileWidth();
        tileLength = param.getTileHeight();
        useTiling = true;
    } else if (tilingMode == ImageWriteParam.MODE_COPY_FROM_METADATA) {
        f = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_TILE_WIDTH);
        if (f == null) {
            tileWidth = width;
            useTiling = false;
        } else {
            tileWidth = f.getAsInt(0);
            useTiling = true;
        }
        f = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_TILE_LENGTH);
        if (f == null) {
            tileLength = rowsPerStrip;
        } else {
            tileLength = f.getAsInt(0);
            useTiling = true;
        }
    } else {
        throw new IIOException("Illegal value of tilingMode!");
    }
    if (compression == BaselineTIFFTagSet.COMPRESSION_JPEG) {
        // Reset tile size per TTN2 spec for JPEG compression.
        int subX;
        int subY;
        if (numBands == 1) {
            subX = subY = 1;
        } else {
            subX = subY = TIFFJPEGCompressor.CHROMA_SUBSAMPLING;
        }
        if (useTiling) {
            int MCUMultipleX = 8 * subX;
            int MCUMultipleY = 8 * subY;
            tileWidth = Math.max(MCUMultipleX * ((tileWidth + MCUMultipleX / 2) / MCUMultipleX), MCUMultipleX);
            tileLength = Math.max(MCUMultipleY * ((tileLength + MCUMultipleY / 2) / MCUMultipleY), MCUMultipleY);
        } else if (rowsPerStrip < height) {
            int MCUMultiple = 8 * Math.max(subX, subY);
            rowsPerStrip = tileLength = Math.max(MCUMultiple * ((tileLength + MCUMultiple / 2) / MCUMultiple), MCUMultiple);
        }
    } else if (isJPEGInterchange) {
        // Force tile size to equal image size.
        tileWidth = width;
        tileLength = height;
    } else if (useTiling) {
        // Round tile size to multiple of 16 per TIFF 6.0 specification
        // (see pages 67-68 of version 6.0.1 from Adobe).
        int tileWidthRemainder = tileWidth % 16;
        if (tileWidthRemainder != 0) {
            // Round to nearest multiple of 16 not less than 16.
            tileWidth = Math.max(16 * ((tileWidth + 8) / 16), 16);
        // XXX insert processWarningOccurred(int,String);
        }
        int tileLengthRemainder = tileLength % 16;
        if (tileLengthRemainder != 0) {
            // Round to nearest multiple of 16 not less than 16.
            tileLength = Math.max(16 * ((tileLength + 8) / 16), 16);
        // XXX insert processWarningOccurred(int,String);
        }
    }
    this.tilesAcross = (width + tileWidth - 1) / tileWidth;
    this.tilesDown = (height + tileLength - 1) / tileLength;
    if (!useTiling) {
        this.isTiled = false;
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_TILE_WIDTH);
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_TILE_LENGTH);
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_TILE_OFFSETS);
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_TILE_BYTE_COUNTS);
        rowsPerStripField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_ROWS_PER_STRIP), rowsPerStrip);
        rootIFD.addTIFFField(rowsPerStripField);
        TIFFField stripOffsetsField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_STRIP_OFFSETS), isBtiff ? TIFFTag.TIFF_LONG8 : TIFFTag.TIFF_LONG, tilesDown);
        rootIFD.addTIFFField(stripOffsetsField);
        TIFFField stripByteCountsField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_STRIP_BYTE_COUNTS), isBtiff ? TIFFTag.TIFF_LONG8 : TIFFTag.TIFF_LONG, tilesDown);
        rootIFD.addTIFFField(stripByteCountsField);
    } else {
        this.isTiled = true;
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_ROWS_PER_STRIP);
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_STRIP_OFFSETS);
        rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_STRIP_BYTE_COUNTS);
        TIFFField tileWidthField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_TILE_WIDTH), tileWidth);
        rootIFD.addTIFFField(tileWidthField);
        TIFFField tileLengthField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_TILE_LENGTH), tileLength);
        rootIFD.addTIFFField(tileLengthField);
        TIFFField tileOffsetsField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_TILE_OFFSETS), isBtiff ? TIFFTag.TIFF_LONG8 : TIFFTag.TIFF_LONG, tilesDown * tilesAcross);
        rootIFD.addTIFFField(tileOffsetsField);
        TIFFField tileByteCountsField = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_TILE_BYTE_COUNTS), isBtiff ? TIFFTag.TIFF_LONG8 : TIFFTag.TIFF_LONG, tilesDown * tilesAcross);
        rootIFD.addTIFFField(tileByteCountsField);
    }
    if (isEXIF) {
        // 
        // Ensure presence of mandatory fields and absence of prohibited
        // fields and those that duplicate information in JPEG marker
        // segments per tables 14-18 of the EXIF 2.2 specification.
        // 
        // If an empty image is being written or inserted then infer
        // that the primary IFD is being set up.
        boolean isPrimaryIFD = isEncodingEmpty();
        // Handle TIFF fields in order of increasing tag number.
        if (compression == BaselineTIFFTagSet.COMPRESSION_OLD_JPEG) {
            // ImageWidth
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_IMAGE_WIDTH);
            // ImageLength
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_IMAGE_LENGTH);
            // BitsPerSample
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_BITS_PER_SAMPLE);
            // Compression
            if (isPrimaryIFD) {
                rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
            }
            // PhotometricInterpretation
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_PHOTOMETRIC_INTERPRETATION);
            // StripOffsets
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_STRIP_OFFSETS);
            // SamplesPerPixel
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_SAMPLES_PER_PIXEL);
            // RowsPerStrip
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_ROWS_PER_STRIP);
            // StripByteCounts
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_STRIP_BYTE_COUNTS);
            // XResolution and YResolution are handled above for all TIFFs.
            // PlanarConfiguration
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_PLANAR_CONFIGURATION);
            // ResolutionUnit
            if (rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_RESOLUTION_UNIT) == null) {
                f = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_RESOLUTION_UNIT), BaselineTIFFTagSet.RESOLUTION_UNIT_INCH);
                rootIFD.addTIFFField(f);
            }
            if (isPrimaryIFD) {
                // JPEGInterchangeFormat
                rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT);
                // JPEGInterchangeFormatLength
                rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT_LENGTH);
                // YCbCrSubsampling
                rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_SUBSAMPLING);
                // YCbCrPositioning
                if (rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_POSITIONING) == null) {
                    f = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_Y_CB_CR_POSITIONING), TIFFTag.TIFF_SHORT, 1, new char[] { (char) BaselineTIFFTagSet.Y_CB_CR_POSITIONING_CENTERED });
                    rootIFD.addTIFFField(f);
                }
            } else {
                // Thumbnail IFD
                // JPEGInterchangeFormat
                f = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT), TIFFTag.TIFF_LONG, 1);
                rootIFD.addTIFFField(f);
                // JPEGInterchangeFormatLength
                f = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT_LENGTH), TIFFTag.TIFF_LONG, 1);
                rootIFD.addTIFFField(f);
                // YCbCrSubsampling
                rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_SUBSAMPLING);
            }
        } else {
            // ResolutionUnit
            if (rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_RESOLUTION_UNIT) == null) {
                f = new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_RESOLUTION_UNIT), BaselineTIFFTagSet.RESOLUTION_UNIT_INCH);
                rootIFD.addTIFFField(f);
            }
            // JPEGInterchangeFormat
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT);
            // JPEGInterchangeFormatLength
            rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT_LENGTH);
            if (photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_RGB) {
                // YCbCrCoefficients
                rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_COEFFICIENTS);
                // YCbCrSubsampling
                rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_SUBSAMPLING);
                // YCbCrPositioning
                rootIFD.removeTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_POSITIONING);
            }
        }
        // Get EXIF tags.
        TIFFTagSet exifTags = EXIFTIFFTagSet.getInstance();
        // Retrieve or create the EXIF IFD.
        TIFFIFD exifIFD = null;
        f = rootIFD.getTIFFField(EXIFParentTIFFTagSet.TAG_EXIF_IFD_POINTER);
        if (f != null) {
            // Retrieve the EXIF IFD.
            exifIFD = (TIFFIFD) f.getData();
        } else if (isPrimaryIFD) {
            // Create the EXIF IFD.
            List exifTagSets = new ArrayList(1);
            exifTagSets.add(exifTags);
            exifIFD = new TIFFIFD(exifTagSets);
            // Add it to the root IFD.
            TIFFTagSet tagSet = EXIFParentTIFFTagSet.getInstance();
            TIFFTag exifIFDTag = tagSet.getTag(EXIFParentTIFFTagSet.TAG_EXIF_IFD_POINTER);
            rootIFD.addTIFFField(new TIFFField(exifIFDTag, TIFFTag.TIFF_LONG, 1, exifIFD));
        }
        if (exifIFD != null) {
            // ExifVersion
            if (exifIFD.getTIFFField(EXIFTIFFTagSet.TAG_EXIF_VERSION) == null) {
                f = new TIFFField(exifTags.getTag(EXIFTIFFTagSet.TAG_EXIF_VERSION), TIFFTag.TIFF_UNDEFINED, 4, EXIFTIFFTagSet.EXIF_VERSION_2_2);
                exifIFD.addTIFFField(f);
            }
            if (compression == BaselineTIFFTagSet.COMPRESSION_OLD_JPEG) {
                // ComponentsConfiguration
                if (exifIFD.getTIFFField(EXIFTIFFTagSet.TAG_COMPONENTS_CONFIGURATION) == null) {
                    f = new TIFFField(exifTags.getTag(EXIFTIFFTagSet.TAG_COMPONENTS_CONFIGURATION), TIFFTag.TIFF_UNDEFINED, 4, new byte[] { (byte) EXIFTIFFTagSet.COMPONENTS_CONFIGURATION_Y, (byte) EXIFTIFFTagSet.COMPONENTS_CONFIGURATION_CB, (byte) EXIFTIFFTagSet.COMPONENTS_CONFIGURATION_CR, (byte) 0 });
                    exifIFD.addTIFFField(f);
                }
            } else {
                // ComponentsConfiguration
                exifIFD.removeTIFFField(EXIFTIFFTagSet.TAG_COMPONENTS_CONFIGURATION);
                // CompressedBitsPerPixel
                exifIFD.removeTIFFField(EXIFTIFFTagSet.TAG_COMPRESSED_BITS_PER_PIXEL);
            }
            // FlashpixVersion
            if (exifIFD.getTIFFField(EXIFTIFFTagSet.TAG_FLASHPIX_VERSION) == null) {
                f = new TIFFField(exifTags.getTag(EXIFTIFFTagSet.TAG_FLASHPIX_VERSION), TIFFTag.TIFF_UNDEFINED, 4, new byte[] { (byte) '0', (byte) '1', (byte) '0', (byte) '0' });
                exifIFD.addTIFFField(f);
            }
            // ColorSpace
            if (exifIFD.getTIFFField(EXIFTIFFTagSet.TAG_COLOR_SPACE) == null) {
                f = new TIFFField(exifTags.getTag(EXIFTIFFTagSet.TAG_COLOR_SPACE), TIFFTag.TIFF_SHORT, 1, new char[] { (char) EXIFTIFFTagSet.COLOR_SPACE_SRGB });
                exifIFD.addTIFFField(f);
            }
            if (compression == BaselineTIFFTagSet.COMPRESSION_OLD_JPEG) {
                // PixelXDimension
                if (exifIFD.getTIFFField(EXIFTIFFTagSet.TAG_PIXEL_X_DIMENSION) == null) {
                    f = new TIFFField(exifTags.getTag(EXIFTIFFTagSet.TAG_PIXEL_X_DIMENSION), width);
                    exifIFD.addTIFFField(f);
                }
                // PixelYDimension
                if (exifIFD.getTIFFField(EXIFTIFFTagSet.TAG_PIXEL_Y_DIMENSION) == null) {
                    f = new TIFFField(exifTags.getTag(EXIFTIFFTagSet.TAG_PIXEL_Y_DIMENSION), height);
                    exifIFD.addTIFFField(f);
                }
            } else {
                exifIFD.removeTIFFField(EXIFTIFFTagSet.TAG_INTEROPERABILITY_IFD_POINTER);
            }
        }
    }
// if(isEXIF)
}

Example 20 with IIOException

use of javax.imageio.IIOException in project imageio-ext by geosolutions-it.

the class EmptyImage method write.

private void write(IIOMetadata sm, IIOImage iioimage, ImageWriteParam p, boolean writeHeader, boolean writeData) throws IOException {
    if (stream == null) {
        throw new IllegalStateException("output == null!");
    }
    if (iioimage == null) {
        throw new IllegalArgumentException("image == null!");
    }
    if (iioimage.hasRaster() && !canWriteRasters()) {
        throw new UnsupportedOperationException("TIFF ImageWriter cannot write Rasters!");
    }
    this.image = iioimage.getRenderedImage();
    SampleModel sampleModel = image.getSampleModel();
    this.sourceXOffset = image.getMinX();
    this.sourceYOffset = image.getMinY();
    this.sourceWidth = image.getWidth();
    this.sourceHeight = image.getHeight();
    Rectangle imageBounds = new Rectangle(sourceXOffset, sourceYOffset, sourceWidth, sourceHeight);
    ColorModel colorModel = null;
    if (p == null) {
        this.param = getDefaultWriteParam();
        this.sourceBands = null;
        this.periodX = 1;
        this.periodY = 1;
        this.numBands = sampleModel.getNumBands();
        colorModel = image.getColorModel();
    } else {
        this.param = p;
        // Get source region and subsampling factors
        Rectangle sourceRegion = param.getSourceRegion();
        if (sourceRegion != null) {
            // Clip to actual image bounds
            sourceRegion = sourceRegion.intersection(imageBounds);
            sourceXOffset = sourceRegion.x;
            sourceYOffset = sourceRegion.y;
            sourceWidth = sourceRegion.width;
            sourceHeight = sourceRegion.height;
        }
        // Adjust for subsampling offsets
        int gridX = param.getSubsamplingXOffset();
        int gridY = param.getSubsamplingYOffset();
        this.sourceXOffset += gridX;
        this.sourceYOffset += gridY;
        this.sourceWidth -= gridX;
        this.sourceHeight -= gridY;
        // Get subsampling factors
        this.periodX = param.getSourceXSubsampling();
        this.periodY = param.getSourceYSubsampling();
        int[] sBands = param.getSourceBands();
        if (sBands != null) {
            sourceBands = sBands;
            this.numBands = sourceBands.length;
        } else {
            this.numBands = sampleModel.getNumBands();
        }
        ImageTypeSpecifier destType = p.getDestinationType();
        if (destType != null) {
            ColorModel cm = destType.getColorModel();
            if (cm.getNumComponents() == numBands) {
                colorModel = cm;
            }
        }
        if (colorModel == null) {
            colorModel = image.getColorModel();
        }
    }
    this.imageType = new ImageTypeSpecifier(colorModel, sampleModel);
    ImageUtil.canEncodeImage(this, this.imageType);
    // Compute output dimensions
    int destWidth = (sourceWidth + periodX - 1) / periodX;
    int destHeight = (sourceHeight + periodY - 1) / periodY;
    if (destWidth <= 0 || destHeight <= 0) {
        throw new IllegalArgumentException("Empty source region!");
    }
    // this.bitDepth = 8; // XXX fix?
    clearAbortRequest();
    int progressStep = 1;
    processImageStarted(0);
    int[] sampleSize = sampleModel.getSampleSize();
    long tot = 0;
    for (int i = 0; i < this.numBands; i++) tot += sampleSize[i];
    long sizeImage = (tot * this.sourceHeight * this.sourceWidth) / 8;
    long var = 4294967296L;
    boolean isForceToBigTIFF = false;
    if (p instanceof TIFFImageWriteParam) {
        isForceToBigTIFF = ((TIFFImageWriteParam) p).isForceToBigTIFF();
    }
    if (sizeImage > var || isForceToBigTIFF || isBtiff == true)
        isBtiff = true;
    else
        isBtiff = false;
    // Optionally write the header.
    if (writeHeader) {
        // Clear previous stream metadata.
        this.streamMetadata = null;
        // Try to convert non-null input stream metadata.
        if (sm != null) {
            this.streamMetadata = (TIFFStreamMetadata) convertStreamMetadata(sm, param);
        }
        // Set to default if not converted.
        if (this.streamMetadata == null) {
            this.streamMetadata = (TIFFStreamMetadata) getDefaultStreamMetadata(param);
        }
        // Write the header.
        writeHeader();
        // 3) Write the pointer to the first IFD after the header.
        if (!isBtiff) {
            stream.seek(headerPosition + 4);
            nextSpace = (nextSpace + 3) & ~0x3;
            stream.writeInt((int) nextSpace);
        } else {
            stream.seek(headerPosition + 8);
            nextSpace = (nextSpace + 7) & ~0x7;
            stream.writeLong(nextSpace);
        }
    }
    // Write out the IFD and any sub IFDs, followed by a zero
    // Clear previous image metadata.
    this.imageMetadata = null;
    // Initialize the metadata object.
    IIOMetadata im = iioimage.getMetadata();
    if (im != null) {
        if (im instanceof TIFFImageMetadata) {
            // Clone the one passed in.
            this.imageMetadata = ((TIFFImageMetadata) im).getShallowClone();
        } else if (Arrays.asList(im.getMetadataFormatNames()).contains(TIFFImageMetadata.nativeMetadataFormatName)) {
            this.imageMetadata = convertNativeImageMetadata(im);
        } else if (im.isStandardMetadataFormatSupported()) {
            try {
                // Convert standard metadata.
                this.imageMetadata = convertStandardImageMetadata(im);
            } catch (IIOInvalidTreeException e) {
            // XXX Warning
            }
        }
    }
    // Use default metadata if still null.
    if (this.imageMetadata == null) {
        this.imageMetadata = (TIFFImageMetadata) getDefaultImageMetadata(this.imageType, this.param);
    }
    // Set or overwrite mandatory fields in the root IFD
    setupMetadata(colorModel, sampleModel, destWidth, destHeight);
    // Set compressor fields.
    compressor.setWriter(this);
    // Metadata needs to be set on the compressor before the IFD is
    // written as the compressor could modify the metadata.
    compressor.setMetadata(imageMetadata);
    compressor.setStream(stream);
    // Initialize scaling tables for this image
    initializeScaleTables(sampleModel.getSampleSize());
    // Determine whether bilevel.
    this.isBilevel = ImageUtil.isBinary(this.image.getSampleModel());
    // Check for photometric inversion.
    this.isInverted = (nativePhotometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO && photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO) || (nativePhotometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_WHITE_IS_ZERO && photometricInterpretation == BaselineTIFFTagSet.PHOTOMETRIC_INTERPRETATION_BLACK_IS_ZERO);
    // Analyze image data suitability for direct copy.
    this.isImageSimple = (isBilevel || (!isInverted && ImageUtil.imageIsContiguous(this.image))) && // no value rescaling
    !isRescaling && // no subbanding
    sourceBands == null && periodX == 1 && // no subsampling
    periodY == 1 && colorConverter == null;
    TIFFIFD rootIFD = imageMetadata.getRootIFD();
    rootIFD.writeToStream(stream, isBtiff);
    this.nextIFDPointerPos = stream.getStreamPosition();
    if (!isBtiff) {
        stream.writeInt(0);
    } else {
        stream.writeLong(0);
    }
    // Seek to end of IFD data
    long lastIFDPosition = rootIFD.getLastPosition();
    stream.seek(lastIFDPosition);
    if (lastIFDPosition > this.nextSpace) {
        this.nextSpace = lastIFDPosition;
    }
    // empty image, return.
    if (!writeData) {
        return;
    }
    // Get positions of fields within the IFD to update as we write
    // each strip or tile
    long stripOrTileByteCountsPosition = rootIFD.getStripOrTileByteCountsPosition();
    long stripOrTileOffsetsPosition = rootIFD.getStripOrTileOffsetsPosition();
    // Compute total number of pixels for progress notification
    this.totalPixels = tileWidth * tileLength * tilesDown * tilesAcross;
    this.pixelsDone = 0;
    // Write the image, a strip or tile at a time
    for (int tj = 0; tj < tilesDown; tj++) {
        for (int ti = 0; ti < tilesAcross; ti++) {
            long pos = stream.getStreamPosition();
            // Write the (possibly compressed) tile data
            Rectangle tileRect = new Rectangle(sourceXOffset + ti * tileWidth * periodX, sourceYOffset + tj * tileLength * periodY, tileWidth * periodX, tileLength * periodY);
            try {
                int byteCount = writeTile(tileRect, compressor);
                if (pos + byteCount > nextSpace) {
                    nextSpace = pos + byteCount;
                }
                pixelsDone += tileRect.width * tileRect.height;
                float currentProgress = 100.0F * pixelsDone / totalPixels;
                if (currentProgress > progressStep * PROGRESS_FACTOR_MULTIPLIER) {
                    processImageProgress(currentProgress);
                    progressStep++;
                }
                // Fill in the offset and byte count for the file
                stream.mark();
                stream.seek(stripOrTileOffsetsPosition);
                if (!isBtiff) {
                    stream.writeInt((int) pos);
                    stripOrTileOffsetsPosition += 4;
                    stream.seek(stripOrTileByteCountsPosition);
                    stream.writeInt(byteCount);
                    stripOrTileByteCountsPosition += 4;
                } else {
                    stream.writeLong(pos);
                    stripOrTileOffsetsPosition += 8;
                    stream.seek(stripOrTileByteCountsPosition);
                    stream.writeLong(byteCount);
                    stripOrTileByteCountsPosition += 8;
                }
                stream.reset();
            } catch (IOException e) {
                throw new IIOException("I/O error writing TIFF file!", e);
            }
            if (abortRequested()) {
                processWriteAborted();
                return;
            }
        }
    }
    processImageComplete();
}