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org.apache.fop.image.analyser
Class AbstractImageReader

java.lang.Object
  extended byorg.apache.fop.image.analyser.AbstractImageReader
All Implemented Interfaces:
ImageReader
Direct Known Subclasses:
BMPReader, EPSReader, GIFReader, JPEGReader, PNGReader, SVGReader, TIFFReader
public abstract class AbstractImageReader
extends java.lang.Object
implements ImageReader

Base class implementing ImageReader.

Author:
Pankaj Narula
See Also:
ImageReader

Field Summary
protected  int height
          Image height.
protected  java.io.BufferedInputStream imageStream
          Image stream.
protected  int width
          Image width.
 
Constructor Summary
AbstractImageReader()
           
 
Method Summary
 int getHeight()
          Return the image height.
 java.io.BufferedInputStream getInputStream()
          Return the used InputStream.
abstract  java.lang.String getMimeType()
          Return correspondig mime type.
 int getWidth()
          Return the image width.
abstract  boolean verifySignature(java.lang.String uri, java.io.BufferedInputStream fis)
          Verify image type.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

width

protected int width
Image width.

height

protected int height
Image height.

imageStream

protected java.io.BufferedInputStream imageStream
Image stream.

Constructor Detail

AbstractImageReader

public AbstractImageReader()
Method Detail

verifySignature

public abstract boolean verifySignature(java.lang.String uri,
                                        java.io.BufferedInputStream fis)
                                 throws java.io.IOException
Description copied from interface: ImageReader
Verify image type.

Specified by:
verifySignature in interface ImageReader
Parameters:
fis - Image buffered input stream
Returns:
true if image type is the handled one
Throws:
java.io.IOException - io error

getHeight

public int getHeight()
Description copied from interface: ImageReader
Return the image height.

Specified by:
getHeight in interface ImageReader
Returns:
image height

getWidth

public int getWidth()
Description copied from interface: ImageReader
Return the image width.

Specified by:
getWidth in interface ImageReader
Returns:
image width

getMimeType

public abstract java.lang.String getMimeType()
Description copied from interface: ImageReader
Return correspondig mime type.

Specified by:
getMimeType in interface ImageReader
Returns:
image mime type

getInputStream

public java.io.BufferedInputStream getInputStream()
Description copied from interface: ImageReader
Return the used InputStream.

Specified by:
getInputStream in interface ImageReader
Returns:
BufferedInputStream used to verify image type
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