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JPEGImage Class Reference

Definition of a class for JPEG-compressed images. More...

#include <JPEGImage.h>

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List of all members.

Public Member Functions

 JPEGImage ()
 Empty constructor.

 JPEGImage (const Image &src)
 Constructs a JPEG image from an image.

JPEGImage & operator= (const Image &src)
 Assignment operator.

void toImage (Image &dest) const
 Uncompress image.


Static Private Member Functions

Handlers for JPEG-compression
void onDestInit (j_compress_ptr cInfo)
int onDestEmpty (j_compress_ptr)
void onDestTerm (j_compress_ptr cInfo)
void onSrcSkip (j_decompress_ptr cInfo, long numBytes)
int onSrcEmpty (j_decompress_ptr)
void onSrcIgnore (j_decompress_ptr)

Private Attributes

unsigned size
 The size of the JPEG image.


Friends

Out & operator<< (Out &stream, const JPEGImage &image)
 Streaming operator that writes a JPEGImage to a stream.

In & operator>> (In &stream, JPEGImage &image)
 Streaming operator that reads a JPEGImage from a stream.

Detailed Description

Definition of a class for JPEG-compressed images.

Definition at line 41 of file JPEGImage.h.

Constructor & Destructor Documentation

JPEGImage::JPEGImage (   )  [inline]
 

Empty constructor.

Definition at line 71 of file JPEGImage.h.

JPEGImage::JPEGImage (  const Image &  src  ) 
 

Constructs a JPEG image from an image.

Parameters:
src The image used as template.

Definition at line 10 of file JPEGImage.cpp.

Member Function Documentation

void JPEGImage::onDestInit (  j_compress_ptr  cInfo  )  [static, private]
 

Definition at line 110 of file JPEGImage.cpp.

References Image::cameraInfo, Image::image, CameraInfo::resolutionHeight, and CameraInfo::resolutionWidth.

Referenced by operator=().

int JPEGImage::onDestEmpty (  j_compress_ptr   )  [static, private]
 

Definition at line 117 of file JPEGImage.cpp.

References ASSERT.

Referenced by operator=().

void JPEGImage::onDestTerm (  j_compress_ptr  cInfo  )  [static, private]
 

Definition at line 123 of file JPEGImage.cpp.

References Image::image, and size.

Referenced by operator=().

void JPEGImage::onSrcSkip (  j_decompress_ptr  cInfo,
long  numBytes
)  [static, private]
 

Definition at line 129 of file JPEGImage.cpp.

Referenced by toImage().

int JPEGImage::onSrcEmpty (  j_decompress_ptr   )  [static, private]
 

Definition at line 133 of file JPEGImage.cpp.

References ASSERT.

Referenced by toImage().

void JPEGImage::onSrcIgnore (  j_decompress_ptr   )  [static, private]
 

Definition at line 139 of file JPEGImage.cpp.

Referenced by toImage().

JPEGImage & JPEGImage::operator= (  const Image &  src  ) 
 

Assignment operator.

Parameters:
src The image used as template.
Returns:
The resulting JPEG image.

Reimplemented from Image.

Definition at line 15 of file JPEGImage.cpp.

References Image::cameraInfo, Image::frameNumber, Image::image, onDestEmpty(), onDestInit(), onDestTerm(), CameraInfo::resolutionHeight, and CameraInfo::resolutionWidth.

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void JPEGImage::toImage (  Image &  dest  )  const
 

Uncompress image.

Parameters:
dest Will receive the uncompressed image.

Definition at line 56 of file JPEGImage.cpp.

References Image::cameraInfo, cameraResolutionHeight_ERS210, cameraResolutionWidth_ERS210, Image::frameNumber, Image::image, onSrcEmpty(), onSrcIgnore(), onSrcSkip(), CameraInfo::resolutionHeight, and CameraInfo::resolutionWidth.

Referenced by Cognition::handleMessage(), LogPlayer::saveAMV(), and LogPlayer::saveImages().

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Friends And Related Function Documentation

Out& operator<< (  Out &  stream,
const JPEGImage &  image
)  [friend]
 

Streaming operator that writes a JPEGImage to a stream.

Parameters:
stream The stream to write on.
image The JPEGImage object.
Returns:
The stream.

Definition at line 143 of file JPEGImage.cpp.

In& operator>> (  In &  stream,
JPEGImage &  image
)  [friend]
 

Streaming operator that reads a JPEGImage from a stream.

Parameters:
stream The stream to read from.
image The JPEGImage object.
Returns:
The stream.

Definition at line 151 of file JPEGImage.cpp.

Member Data Documentation

unsigned JPEGImage::size [private]
 

The size of the JPEG image.

Definition at line 54 of file JPEGImage.h.

Referenced by onDestTerm(), operator<<(), and operator>>().

The documentation for this class was generated from the following files:
Generated on Thu Sep 23 20:08:59 2004 for GT2004 by doxygen 1.3.6