Compression Configuration

/**
 * Configuration for TIFF writing operations with compression support
 */
class TIFFImageWriteParam extends ImageWriteParam {
    
    // Available compression types (accessed via getCompressionTypes())
    // String constants for setCompressionType() method:
    
    // "None" - No compression (default) - fastest writing, largest files
    // "CCITT RLE" - CCITT Modified Huffman RLE - for bi-level (black & white) images  
    // "CCITT T.4" - CCITT Group 3 Fax compression - for bi-level images
    // "CCITT T.6" - CCITT Group 4 Fax compression - for bi-level images
    // "LZW" - Lempel-Ziv-Welch lossless compression - good general purpose
    // "JPEG" - JPEG compression - lossy, best for photographs
    // "ZLib" - Adobe-style Deflate compression - lossless
    // "PackBits" - PackBits compression - simple lossless compression
    // "Deflate" - PKZIP-style Deflate compression - lossless
    
    /**
     * Constructor creates write parameters with default settings
     */
    public TIFFImageWriteParam();
    
    /**
     * Get available compression quality values for current compression type
     * @return array of quality values (typically 0.0 to 1.0)
     */
    public float[] getCompressionQualityValues();
    
    /**
     * Get human-readable descriptions for compression quality values
     * @return array of quality descriptions
     */
    public String[] getCompressionQualityDescriptions();
}

import javax.imageio.ImageIO;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.IIOImage;
import com.twelvemonkeys.imageio.plugins.tiff.TIFFImageWriteParam;
import java.awt.image.BufferedImage;
import java.io.File;

// Writing with LZW compression (lossless, good compression ratio)
ImageWriter writer = ImageIO.getImageWritersByFormatName("TIFF").next();
writer.setOutput(ImageIO.createImageOutputStream(new File("lzw_compressed.tiff")));

TIFFImageWriteParam writeParam = (TIFFImageWriteParam) writer.getDefaultWriteParam();
writeParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
writeParam.setCompressionType("LZW");

BufferedImage image = // ... load or create image
writer.write(null, new IIOImage(image, null, null), writeParam);
writer.dispose();

// Writing with JPEG compression (lossy, smallest files for photos)
writer = ImageIO.getImageWritersByFormatName("TIFF").next();
writer.setOutput(ImageIO.createImageOutputStream(new File("jpeg_compressed.tiff")));

writeParam = (TIFFImageWriteParam) writer.getDefaultWriteParam();
writeParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
writeParam.setCompressionType("JPEG");
writeParam.setCompressionQuality(0.8f); // 80% quality

writer.write(null, new IIOImage(image, null, null), writeParam);
writer.dispose();

// Writing black & white image with CCITT Group 4 compression
BufferedImage bwImage = // ... black and white image
writer = ImageIO.getImageWritersByFormatName("TIFF").next();
writer.setOutput(ImageIO.createImageOutputStream(new File("fax_compressed.tiff")));

writeParam = (TIFFImageWriteParam) writer.getDefaultWriteParam();
writeParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
writeParam.setCompressionType("CCITT T.6");

writer.write(null, new IIOImage(bwImage, null, null), writeParam);
writer.dispose();

// Set JPEG compression with specific quality
writeParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
writeParam.setCompressionType("JPEG");
writeParam.setCompressionQuality(0.9f); // 90% quality (higher = better quality, larger file)

// Get available quality values and descriptions
float[] qualityValues = writeParam.getCompressionQualityValues();
String[] qualityDescriptions = writeParam.getCompressionQualityDescriptions();

for (int i = 0; i < qualityValues.length; i++) {
    System.out.println("Quality " + qualityValues[i] + ": " + qualityDescriptions[i]);
}