112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
/*
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*
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* Copyright (C) 1996-2016, OFFIS e.V.
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* All rights reserved. See COPYRIGHT file for details.
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*
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* This software and supporting documentation were developed by
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*
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* OFFIS e.V.
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* R&D Division Health
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* Escherweg 2
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* D-26121 Oldenburg, Germany
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*
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*
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* Module: dcmimage
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*
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* Author: Joerg Riesmeier
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*
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* Purpose: DicomColorMonochromeTemplate (Header)
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*
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*/
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#ifndef DICOMOT_H
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#define DICOMOT_H
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#include "dcmtk/config/osconfig.h"
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#include "dcmtk/dcmimgle/dimopxt.h"
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#include "dcmtk/dcmimage/dicopx.h"
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/*---------------------*
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* class declaration *
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*---------------------*/
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/** Template class to convert color image to monochrome images.
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* (on pixel data level)
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*/
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template<class T>
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class DiColorMonoTemplate
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: public DiMonoPixelTemplate<T>
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{
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public:
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/** constructor
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*
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** @param pixel intermediate representation of color pixel data
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* @param modality pointer to object managing modality transform
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* @param red coefficient of red pixel component
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* @param green coefficient of green pixel component
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* @param blue coefficient of blue pixel component
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*/
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DiColorMonoTemplate(const DiColorPixel *pixel,
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DiMonoModality *modality,
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const double red,
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const double green,
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const double blue)
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: DiMonoPixelTemplate<T>(pixel, modality)
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{
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if ((pixel != NULL) && (pixel->getCount() > 0))
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{
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convert(OFstatic_cast(const T **, OFconst_cast(void *, pixel->getData())), red, green, blue);
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this->determineMinMax();
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}
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}
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/** destructor
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*/
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virtual ~DiColorMonoTemplate()
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{
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}
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private:
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/** convert color pixel data to monochrome format
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*
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** @param pixel intermediate representation of color pixel data
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* @param red coefficient of red pixel component
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* @param green coefficient of green pixel component
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* @param blue coefficient of blue pixel component
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*/
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void convert(const T *pixel[3],
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const double red,
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const double green,
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const double blue)
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{
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if (pixel != NULL)
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{
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this->Data = new T[this->Count];
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if (this->Data != NULL)
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{
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const T *r = pixel[0];
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const T *g = pixel[1];
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const T *b = pixel[2];
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T *q = this->Data;
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unsigned long i;
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for (i = this->Count; i != 0; i--)
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{
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*(q++) = OFstatic_cast(T, OFstatic_cast(double, *(r++)) * red +
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OFstatic_cast(double, *(g++)) * green +
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OFstatic_cast(double, *(b++)) * blue);
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}
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}
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}
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}
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};
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#endif
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