JpegDescriptor (Metadata-Extractor - JavaDoc - An Open Source Java Library for Image File Metadata)

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Detail:
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java.lang.Object
- com.drew.metadata.TagDescriptor<JpegDirectory>
- - com.drew.metadata.jpeg.JpegDescriptor

```
public class JpegDescriptor
extends TagDescriptor<JpegDirectory>
```
Provides human-readable string versions of the tags stored in a JpegDirectory. Thanks to Darrell Silver (www.darrellsilver.com) for the initial version of this class.

Author:

Drew Noakes http://drewnoakes.com

Field Summary
- Fields inherited from class com.drew.metadata.TagDescriptor
  _directory

Constructor Summary

Constructors
Constructor and Description

JpegDescriptor(JpegDirectory directory)

Method Summary

Methods
Modifier and Type	Method and Description
`java.lang.String`	`getComponentDataDescription(int componentNumber)`
`java.lang.String`	`getDataPrecisionDescription()`
`java.lang.String`	`getDescription(int tagType)` Returns a descriptive value of the the specified tag for this image.
`java.lang.String`	`getImageCompressionTypeDescription()`
`java.lang.String`	`getImageHeightDescription()`
`java.lang.String`	`getImageWidthDescription()`

Methods inherited from class com.drew.metadata.TagDescriptor
convertBytesToVersionString

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

- Constructor Detail
  - JpegDescriptor
```
public JpegDescriptor(JpegDirectory directory)
```
- Method Detail
  - getDescription
```
public java.lang.String getDescription(int tagType)
```
    Description copied from class: TagDescriptor
    
    Returns a descriptive value of the the specified tag for this image. Where possible, known values will be substituted here in place of the raw tokens actually kept in the metadata segment. If no substitution is available, the value provided by getString(tagType) will be returned.
    
    Overrides:
    
    getDescription in class TagDescriptor<JpegDirectory>
    
    Parameters:
    tagType - the tag to find a description for
    
    Returns:
    a description of the image's value for the specified tag, or null if the tag hasn't been defined.
  - getImageCompressionTypeDescription
```
public java.lang.String getImageCompressionTypeDescription()
```
  - getImageWidthDescription
```
public java.lang.String getImageWidthDescription()
```
  - getImageHeightDescription
```
public java.lang.String getImageHeightDescription()
```
  - getDataPrecisionDescription
```
public java.lang.String getDataPrecisionDescription()
```
  - getComponentDataDescription
```
public java.lang.String getComponentDataDescription(int componentNumber)
```

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Copyright © 2003-2012 Drew Noakes. All Rights Reserved.