/usr/include/dcmtk/dcmjpeg/dipijpeg.h is in libdcmtk-dev 3.6.1~20160216-4.
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*
* Copyright (C) 2001-2011, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: dcmjpeg
*
* Author: Joerg Riesmeier
*
* Purpose: Implements JPEG interface for plugable image formats
*
*/
#ifndef DIPIJPEG_H
#define DIPIJPEG_H
#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmimgle/diplugin.h"
#include "dcmtk/dcmjpeg/djutils.h"
/*------------------------*
* forward declarations *
*------------------------*/
class DiImage;
/*---------------------*
* class declaration *
*---------------------*/
/** Implementation of a JPEG plugin for the dcmimgle/dcmimage library
*/
class DCMTK_DCMJPEG_EXPORT DiJPEGPlugin
: public DiPluginFormat
{
public:
/** constructor
*/
DiJPEGPlugin();
/** destructor
*/
virtual ~DiJPEGPlugin();
/** write given image to a file stream (JPEG format)
* @param image pointer to DICOM image object to be written
* @param stream stream to which the image is written (open in binary mode!)
* @param frame index of frame used for output (default: first frame = 0)
* @return true if successful, false otherwise
*/
virtual int write(DiImage *image,
FILE *stream,
const unsigned long frame = 0) const;
/** set quality value for JPEG compression
* @param quality quality value (0..100, in percent)
*/
void setQuality(const unsigned int quality);
/** set (sub) sampling for JPEG compression.
* Only used for color images. ESS_444 means no sub-sampling, ESS_422 horizontal
* subsampling of chroma components and ESS_422 horizontal and vertical subsampling
* of chroma components.
* @param sampling sampling (valid values: ESS_444, ESS_422 or ESS_411)
*/
void setSampling(const E_SubSampling sampling);
/** callback function used to report IJG warning messages and the like.
* Should not be called by user code directly.
* @param arg opaque pointer to JPEG compress structure
*/
void outputMessage(void *arg) const;
/** get version information of the TIFF library.
* Typical output format: "IJG, Version 6b 27-Mar-1998 (modified)"
* @return name and version number of the TIFF library
*/
static OFString getLibraryVersionString();
private:
/// quality value (0..100, in percent), default: 75
unsigned int Quality;
/// (sub) sampling: ESS_444, ESS_422 (default), ESS_411
E_SubSampling Sampling;
};
#endif
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