org.apache.batik.ext.awt.image.codec.tiff
Class TIFFImageDecoder
java.lang.Object
org.apache.batik.ext.awt.image.codec.util.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.
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 java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
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
TIFFImageDecoder
public TIFFImageDecoder(SeekableStream input,
ImageDecodeParam param)
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
Copyright ? 2008 Apache Software Foundation. All Rights Reserved.