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## org.apache.batik.ext.awt.image.codec.tiff
Class TIFFImageDecoder

    java.lang.Object
      org.apache.batik.ext.awt.image.codec.ImageDecoderImpl
          org.apache.batik.ext.awt.image.codec.tiff.TIFFImageDecoder

All Implemented Interfaces:
  ImageDecoder

public class TIFFImageDecoder
extends ImageDecoderImpl

A baseline TIFF reader. The reader has some functionality in addition to the baseline specifications for Bilevel images, for which the group 3 and group 4 decompression schemes have been implemented. Support for LZW decompression has also been added. Support for Horizontal differencing predictor decoding is also included, when used with LZW compression. However, this support is limited to data with bitsPerSample value of 8. When reading in RGB images, support for alpha and extraSamples being present has been added. Support for reading in images with 16 bit samples has been added. Support for the SampleFormat tag (signed samples as well as floating-point samples) has also been added. In all other cases, support is limited to Baseline specifications.

Field Summary
`static int` | `TIFF_BITS_PER_SAMPLE`
`static int` | `TIFF_COLORMAP`
`static int` | `TIFF_COMPRESSION`
`static int` | `TIFF_EXTRA_SAMPLES`
`static int` | `TIFF_FILL_ORDER`
`static int` | `TIFF_IMAGE_LENGTH`
`static int` | `TIFF_IMAGE_WIDTH`
`static int` | `TIFF_PHOTOMETRIC_INTERPRETATION`
`static int` | `TIFF_PLANAR_CONFIGURATION`
`static int` | `TIFF_PREDICTOR`
`static int` | `TIFF_RESOLUTION_UNIT`
`static int` | `TIFF_ROWS_PER_STRIP`
`static int` | `TIFF_S_MAX_SAMPLE_VALUE`
`static int` | `TIFF_S_MIN_SAMPLE_VALUE`
`static int` | `TIFF_SAMPLE_FORMAT`
`static int` | `TIFF_SAMPLES_PER_PIXEL`
`static int` | `TIFF_STRIP_BYTE_COUNTS`
`static int` | `TIFF_STRIP_OFFSETS`
`static int` | `TIFF_T4_OPTIONS`
`static int` | `TIFF_T6_OPTIONS`
`static int` | `TIFF_TILE_BYTE_COUNTS`
`static int` | `TIFF_TILE_LENGTH`
`static int` | `TIFF_TILE_OFFSETS`
`static int` | `TIFF_TILE_WIDTH`
`static int` | `TIFF_X_RESOLUTION`
`static int` | `TIFF_Y_RESOLUTION`

Fields inherited from class org.apache.batik.ext.awt.image.codec.ImageDecoderImpl
`input, param`

Constructor Summary
`TIFFImageDecoder(SeekableStream input, ImageDecodeParam param)`

Method Summary
`java.awt.image.RenderedImage` | `decodeAsRenderedImage(int page)` Returns a `RenderedImage` that contains the decoded contents of the `SeekableStream` associated with this `ImageDecoder`.
`int` | `getNumPages()` Returns the number of pages present in the current stream.

Methods inherited from class org.apache.batik.ext.awt.image.codec.ImageDecoderImpl
`decodeAsRaster, decodeAsRaster, decodeAsRenderedImage, getInputStream, getParam, setParam`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### TIFF_IMAGE_WIDTH

    public static final int TIFF_IMAGE_WIDTH

See Also:
  Constant Field Values

### TIFF_IMAGE_LENGTH

    public static final int TIFF_IMAGE_LENGTH

See Also:
  Constant Field Values

### TIFF_BITS_PER_SAMPLE

    public static final int TIFF_BITS_PER_SAMPLE

See Also:
  Constant Field Values

### TIFF_COMPRESSION

    public static final int TIFF_COMPRESSION

See Also:
  Constant Field Values

### TIFF_PHOTOMETRIC_INTERPRETATION

    public static final int TIFF_PHOTOMETRIC_INTERPRETATION

See Also:
  Constant Field Values

### TIFF_FILL_ORDER

    public static final int TIFF_FILL_ORDER

See Also:
  Constant Field Values

### TIFF_STRIP_OFFSETS

    public static final int TIFF_STRIP_OFFSETS

See Also:
  Constant Field Values

### TIFF_SAMPLES_PER_PIXEL

    public static final int TIFF_SAMPLES_PER_PIXEL

See Also:
  Constant Field Values

### TIFF_ROWS_PER_STRIP

    public static final int TIFF_ROWS_PER_STRIP

See Also:
  Constant Field Values

### TIFF_STRIP_BYTE_COUNTS

    public static final int TIFF_STRIP_BYTE_COUNTS

See Also:
  Constant Field Values

### TIFF_X_RESOLUTION

    public static final int TIFF_X_RESOLUTION

See Also:
  Constant Field Values

### TIFF_Y_RESOLUTION

    public static final int TIFF_Y_RESOLUTION

See Also:
  Constant Field Values

### TIFF_PLANAR_CONFIGURATION

    public static final int TIFF_PLANAR_CONFIGURATION

See Also:
  Constant Field Values

### TIFF_T4_OPTIONS

    public static final int TIFF_T4_OPTIONS

See Also:
  Constant Field Values

### TIFF_T6_OPTIONS

    public static final int TIFF_T6_OPTIONS

See Also:
  Constant Field Values

### TIFF_RESOLUTION_UNIT

    public static final int TIFF_RESOLUTION_UNIT

See Also:
  Constant Field Values

### TIFF_PREDICTOR

    public static final int TIFF_PREDICTOR

See Also:
  Constant Field Values

### TIFF_COLORMAP

    public static final int TIFF_COLORMAP

See Also:
  Constant Field Values

### TIFF_TILE_WIDTH

    public static final int TIFF_TILE_WIDTH

See Also:
  Constant Field Values

### TIFF_TILE_LENGTH

    public static final int TIFF_TILE_LENGTH

See Also:
  Constant Field Values

### TIFF_TILE_OFFSETS

    public static final int TIFF_TILE_OFFSETS

See Also:
  Constant Field Values

### TIFF_TILE_BYTE_COUNTS

    public static final int TIFF_TILE_BYTE_COUNTS

See Also:
  Constant Field Values

### TIFF_EXTRA_SAMPLES

    public static final int TIFF_EXTRA_SAMPLES

See Also:
  Constant Field Values

### TIFF_SAMPLE_FORMAT

    public static final int TIFF_SAMPLE_FORMAT

See Also:
  Constant Field Values

### TIFF_S_MIN_SAMPLE_VALUE

    public static final int TIFF_S_MIN_SAMPLE_VALUE

See Also:
  Constant Field Values

### TIFF_S_MAX_SAMPLE_VALUE

    public static final int TIFF_S_MAX_SAMPLE_VALUE

See Also:
  Constant Field Values

Constructor Detail

### TIFFImageDecoder

    public TIFFImageDecoder(SeekableStream input,
                            ImageDecodeParam param)

Method Detail

### getNumPages

    public int getNumPages()
                    throws java.io.IOException

  Description copied from class: `ImageDecoderImpl`
  Returns the number of pages present in the current stream. By default, the return value is 1. Subclasses that deal with multi-page formats should override this method.

  Specified by:
    `getNumPages` in interface `ImageDecoder`
  Overrides:
    `getNumPages` in class `ImageDecoderImpl`
  Throws:
    `java.io.IOException`

### decodeAsRenderedImage

    public java.awt.image.RenderedImage decodeAsRenderedImage(int page)
                                                       throws java.io.IOException

  Description copied from class: `ImageDecoderImpl`
  Returns a `RenderedImage` that contains the decoded contents of the `SeekableStream` associated with this `ImageDecoder`. The given page of a multi-page image is decoded. If the page does not exist, an IOException will be thrown. Page numbering begins at zero.

  Specified by:
    `decodeAsRenderedImage` in interface `ImageDecoder`
  Specified by:
    `decodeAsRenderedImage` in class `ImageDecoderImpl`
  Parameters:
    `page` - The page to be decoded.
  Throws:
    `java.io.IOException`

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Copyright © 2004 Apache Software Foundation. All Rights Reserved.