/usr/include/dcmtk/dcmimgle/dimosct.h is in libdcmtk-dev 3.6.1~20160216-4.
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*
* Copyright (C) 1996-2011, 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: dcmimgle
*
* Author: Joerg Riesmeier
*
* Purpose: DicomMonochromeScaleTemplate (Header)
*
*/
#ifndef DIMOSCT_H
#define DIMOSCT_H
#include "dcmtk/config/osconfig.h"
#include "dcmtk/ofstd/ofcast.h"
#include "dcmtk/dcmimgle/dimopxt.h"
#include "dcmtk/dcmimgle/discalet.h"
#include "dcmtk/dcmimgle/didispfn.h"
/*---------------------*
* class declaration *
*---------------------*/
/** Template class to scale monochrome images (on pixel data level).
*/
template<class T>
class DiMonoScaleTemplate
: public DiMonoPixelTemplate<T>,
protected DiScaleTemplate<T>
{
public:
/** constructor
*
** @param pixel pointer to intermediate pixel representation
* @param columns width of source image
* @param rows height of source image
* @param left_pos left coordinate of clipping area
* @param top_pos top coordinate of clipping area
* @param src_cols width of clipping area
* @param src_rows height of clipping area
* @param dest_cols width of destination image (scaled image)
* @param dest_rows height of destination image
* @param frames number of frames
* @param bits number of bits per plane/pixel
* @param interpolate use of interpolation when scaling
* @param pvalue value possibly used for regions outside the image boundaries
*/
DiMonoScaleTemplate(const DiMonoPixel *pixel,
const Uint16 columns,
const Uint16 rows,
const signed long left_pos,
const signed long top_pos,
const Uint16 src_cols,
const Uint16 src_rows,
const Uint16 dest_cols,
const Uint16 dest_rows,
const Uint32 frames,
const int bits,
const int interpolate,
const Uint16 pvalue)
: DiMonoPixelTemplate<T>(pixel, OFstatic_cast(unsigned long, dest_cols) * OFstatic_cast(unsigned long, dest_rows) * frames),
DiScaleTemplate<T>(1, columns, rows, left_pos, top_pos, src_cols, src_rows, dest_cols, dest_rows, frames, bits)
{
if ((pixel != NULL) && (pixel->getCount() > 0))
{
if (pixel->getCount() == OFstatic_cast(unsigned long, columns) * OFstatic_cast(unsigned long, rows) * frames)
{
scale(OFstatic_cast(const T *, pixel->getData()), pixel->getBits(), interpolate, pvalue);
this->determineMinMax();
} else {
DCMIMGLE_WARN("could not scale image ... corrupted data");
}
}
}
/** destructor
*/
virtual ~DiMonoScaleTemplate()
{
}
private:
/** scale pixel data
*
** @param pixel pointer to pixel data to be scaled
* @param bits bit depth of pixel data
* @param interpolate use of interpolation when scaling
* @param pvalue value possibly used for regions outside the image boundaries
*/
inline void scale(const T *pixel,
const unsigned int bits,
const int interpolate,
const Uint16 pvalue)
{
if (pixel != NULL)
{
this->Data = new T[this->getCount()];
if (this->Data != NULL)
{
const T value = OFstatic_cast(T, OFstatic_cast(double, DicomImageClass::maxval(bits)) *
OFstatic_cast(double, pvalue) / OFstatic_cast(double, DicomImageClass::maxval(WIDTH_OF_PVALUES)));
this->scaleData(&pixel, &this->Data, interpolate, value);
}
}
}
};
#endif
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