/usr/include/dcmtk/dcmimage/dicmypxt.h is in libdcmtk-dev 3.6.2-3build3.
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*
* Copyright (C) 1996-2016, 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: dcmimage
*
* Author: Joerg Riesmeier
*
* Purpose: DicomCMYKPixelTemplate (Header)
*
*/
#ifndef DICMYPXT_H
#define DICMYPXT_H
#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmimage/dicopxt.h"
#include "dcmtk/dcmimgle/diinpx.h" /* gcc 3.4 needs this */
/*---------------------*
* class declaration *
*---------------------*/
/** Template class to handle CMYK pixel data
*/
template<class T1, class T2>
class DiCMYKPixelTemplate
: public DiColorPixelTemplate<T2>
{
public:
/** constructor
*
** @param docu pointer to DICOM document
* @param pixel pointer to input pixel representation
* @param status reference to status variable
* @param planeSize number of pixels in a plane
* @param bits number of bits per sample
*/
DiCMYKPixelTemplate(const DiDocument *docu,
const DiInputPixel *pixel,
EI_Status &status,
const unsigned long planeSize,
const int bits)
: DiColorPixelTemplate<T2>(docu, pixel, 4, status)
{
if ((pixel != NULL) && (this->Count > 0) && (status == EIS_Normal))
convert(OFstatic_cast(const T1 *, pixel->getData()) + pixel->getPixelStart(), planeSize, bits);
}
/** destructor
*/
virtual ~DiCMYKPixelTemplate()
{
}
private:
/** convert input pixel data to intermediate representation
*
** @param pixel pointer to input pixel data
* @param planeSize number of pixels in a plane
* @param bits number of bits per sample
*/
void convert(const T1 *pixel,
const unsigned long planeSize,
const int bits)
{
if (this->Init(pixel))
{
// use the number of input pixels derived from the length of the 'PixelData'
// attribute), but not more than the size of the intermediate buffer
const unsigned long count = (this->InputCount < this->Count) ? this->InputCount : this->Count;
const T2 maxvalue = OFstatic_cast(T2, DicomImageClass::maxval(bits));
const T1 offset = OFstatic_cast(T1, DicomImageClass::maxval(bits - 1));
const T1 *p = pixel;
if (this->PlanarConfiguration)
{
/*
const T1 *k;
T2 *q;
for (int j = 0; j < 3; ++j)
{
q = this->Data[j];
k = pixel + 3 * this->InputCount; // beginning of 'black' plane
for (i = count; i != 0; --i)
*(q++) = maxvalue - removeSign(*(p++), offset) - removeSign(*(k++), offset);
}
*/
const T1 *k;
T2 *q;
unsigned long l;
unsigned long i = 0;
while (i < count)
{
/* store current pixel index */
const unsigned long iStart = i;
/* beginning of 'black' plane */
const T1 *kStart = p + 3 * planeSize;
/* for all planes ... */
for (int j = 0; j < 3; ++j)
{
q = this->Data[j] + iStart;
/* reset to beginning of 'black' plane */
k = kStart;
/* convert a single plane */
for (l = planeSize, i = iStart; (l != 0) && (i < count); --l, ++i)
*(q++) = maxvalue - removeSign(*(p++), offset) - removeSign(*(k++), offset);
}
/* skip black plane */
p += planeSize;
}
}
else
{
T1 k;
int j;
unsigned long i;
for (i = 0; i < count; ++i)
{
k = *(p + 3);
for (j = 0; j < 3; ++j)
this->Data[j][i] = maxvalue - removeSign(*(p++), offset) - removeSign(k, offset);
++p; // skip 'black'
}
}
}
}
};
#endif
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