113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
/*
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*
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* Copyright (C) 1996-2011, 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: dcmimgle
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*
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* Author: Joerg Riesmeier
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*
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* Purpose: DicomMonochromeRotateTemplate (Header)
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*
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*/
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#ifndef DIMOROT_H
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#define DIMOROT_H
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#include "dcmtk/config/osconfig.h"
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#include "dcmtk/ofstd/ofcast.h"
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#include "dcmtk/dcmimgle/dimopxt.h"
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#include "dcmtk/dcmimgle/dirotat.h"
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/*---------------------*
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* class declaration *
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*---------------------*/
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/** Template class to rotate monochrome images (on pixel data level).
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* by steps of 90 degrees
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*/
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template<class T>
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class DiMonoRotateTemplate
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: public DiMonoPixelTemplate<T>,
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protected DiRotateTemplate<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 pointer to intermediate pixel representation
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* @param src_cols width of clipping area
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* @param src_rows height of clipping area
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* @param dest_cols width of destination image (scaled image)
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* @param dest_rows height of destination image
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* @param frames number of frames
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* @param degree angle by which the pixel data should be rotated
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*/
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DiMonoRotateTemplate(const DiMonoPixel *pixel,
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const Uint16 src_cols,
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const Uint16 src_rows,
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const Uint16 dest_cols,
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const Uint16 dest_rows,
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const Uint32 frames,
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const int degree)
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: DiMonoPixelTemplate<T>(pixel, OFstatic_cast(unsigned long, dest_cols) * OFstatic_cast(unsigned long, dest_rows) * frames),
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DiRotateTemplate<T>(1, src_cols, src_rows, dest_cols, dest_rows, frames)
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{
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if ((pixel != NULL) && (pixel->getCount() > 0))
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{
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if (pixel->getCount() == OFstatic_cast(unsigned long, src_cols) * OFstatic_cast(unsigned long, src_rows) * frames)
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rotate(OFstatic_cast(const T *, pixel->getData()), degree);
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else {
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DCMIMGLE_WARN("could not rotate image ... corrupted data");
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}
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}
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}
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/** destructor
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*/
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~DiMonoRotateTemplate()
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{
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}
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private:
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/** rotate pixel data
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*
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** @param pixel pointer to pixel data to be rotated
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* @param degree angle by which the pixel data should be rotated
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*/
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inline void rotate(const T *pixel,
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const int degree)
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{
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if (pixel != NULL)
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{
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this->Data = new T[DiMonoPixelTemplate<T>::getCount()];
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if (this->Data != NULL)
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{
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if (degree == 90)
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this->rotateRight(&pixel, &(this->Data));
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else if (degree == 180)
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this->rotateTopDown(&pixel, &(this->Data));
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else if (degree == 270)
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this->rotateLeft(&pixel, &(this->Data));
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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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