/usr/include/dcmtk/dcmimgle/dirotat.h is in libdcmtk2-dev 3.6.0-9.
This file is owned by root:root, with mode 0o644.
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*
* Copyright (C) 1996-2010, 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: DicomRotateTemplate (Header)
*
* Last Update: $Author: joergr $
* Update Date: $Date: 2010-10-14 13:16:27 $
* CVS/RCS Revision: $Revision: 1.21 $
* Status: $State: Exp $
*
* CVS/RCS Log at end of file
*
*/
#ifndef DIROTAT_H
#define DIROTAT_H
#include "dcmtk/config/osconfig.h"
#include "dcmtk/ofstd/ofcast.h"
#include "dcmtk/dcmimgle/dipixel.h"
#include "dcmtk/dcmimgle/ditranst.h"
/*---------------------*
* class declaration *
*---------------------*/
/** Template class to rotate images (on pixel data level).
* by steps of 90 degrees
*/
template<class T>
class DiRotateTemplate
: public DiTransTemplate<T>
{
public:
/** constructor.
* This method is used to rotate an image and store the result in the same storage area.
*
** @param pixel pointer to object where the pixel data are stored
* @param src_cols original width of the image
* @param src_rows original height of the image
* @param dest_cols new width of the image
* @param dest_rows new height of the image
* @param frames number of frames
* @param degree angle by which the image should be rotated
*/
DiRotateTemplate(DiPixel *pixel,
const Uint16 src_cols,
const Uint16 src_rows,
const Uint16 dest_cols,
const Uint16 dest_rows,
const Uint32 frames,
const int degree)
: DiTransTemplate<T>(0, src_cols, src_rows, dest_cols, dest_rows, frames)
{
if (pixel != NULL)
{
this->Planes = pixel->getPlanes();
if ((pixel->getCount() > 0) && (this->Planes > 0) &&
(pixel->getCount() == OFstatic_cast(unsigned long, src_cols) * OFstatic_cast(unsigned long, src_rows) * frames))
{
if (degree == 90)
rotateRight(OFstatic_cast(T **, pixel->getDataArrayPtr()));
else if (degree == 180)
rotateTopDown(OFstatic_cast(T **, pixel->getDataArrayPtr()));
else if (degree == 270)
rotateLeft(OFstatic_cast(T **, pixel->getDataArrayPtr()));
} else {
DCMIMGLE_WARN("could not rotate image ... corrupted data");
}
}
}
/** constructor.
* This method is used to perform only the preparation and to start rotation later with method 'rotateData()'
*
** @param planes number of planes (1 or 3)
* @param src_cols original width of the image
* @param src_rows original height of the image
* @param dest_cols new width of the image
* @param dest_rows new height of the image
* @param frames number of frames
*/
DiRotateTemplate(const int planes,
const Uint16 src_cols,
const Uint16 src_rows,
const Uint16 dest_cols,
const Uint16 dest_rows,
const Uint32 frames)
: DiTransTemplate<T>(planes, src_cols, src_rows, dest_cols, dest_rows, frames)
{
}
/** destructor
*/
virtual ~DiRotateTemplate()
{
}
/** choose algorithm depending on rotation angle
*
** @param src array of pointers to source image pixels
* @param dest array of pointers to destination image pixels
* @param degree angle by which the image should be rotated
*/
inline void rotateData(const T *src[],
T *dest[],
const int degree)
{
if (degree == 90)
rotateRight(src, dest);
else if (degree == 180)
rotateTopDown(src, dest);
else if (degree == 270)
rotateLeft(src, dest);
else
copyPixel(src, dest);
}
protected:
/** rotate source image left and store result in destination image
*
** @param src array of pointers to source image pixels
* @param dest array of pointers to destination image pixels
*/
inline void rotateLeft(const T *src[],
T *dest[])
{
if ((src != NULL) && (dest != NULL))
{
register Uint16 x;
register Uint16 y;
register const T *p;
register T *q;
register T *r;
const unsigned long count = OFstatic_cast(unsigned long, this->Dest_X) * OFstatic_cast(unsigned long, this->Dest_Y);
for (int j = 0; j < this->Planes; ++j)
{
p = src[j];
r = dest[j];
for (unsigned long f = this->Frames; f != 0; --f)
{
r += count;
for (x = this->Dest_X; x != 0; --x)
{
q = r - x;
for (y = this->Dest_Y; y != 0; --y)
{
*q = *p++;
q -= this->Dest_X;
}
}
}
}
}
}
/** rotate source image right and store result in destination image
*
** @param src array of pointers to source image pixels
* @param dest array of pointers to destination image pixels
*/
inline void rotateRight(const T *src[],
T *dest[])
{
if ((src != NULL) && (dest != NULL))
{
register Uint16 x;
register Uint16 y;
register const T *p;
register T *q;
register T *r;
const unsigned long count = OFstatic_cast(unsigned long, this->Dest_X) * OFstatic_cast(unsigned long, this->Dest_Y);
for (int j = 0; j < this->Planes; ++j)
{
p = src[j];
r = dest[j];
for (unsigned long f = this->Frames; f != 0; --f)
{
for (x = this->Dest_X; x != 0; --x)
{
q = r + x - 1;
for (y = this->Dest_Y; y != 0; --y)
{
*q = *p++;
q += this->Dest_X;
}
}
r += count;
}
}
}
}
/** rotate source image top-down and store result in destination image
*
** @param src array of pointers to source image pixels
* @param dest array of pointers to destination image pixels
*/
inline void rotateTopDown(const T *src[],
T *dest[])
{
if ((src != NULL) && (dest != NULL))
{
register unsigned long i;
register const T *p;
register T *q;
const unsigned long count = OFstatic_cast(unsigned long, this->Dest_X) * OFstatic_cast(unsigned long, this->Dest_Y);
for (int j = 0; j < this->Planes; ++j)
{
p = src[j];
q = dest[j];
for (unsigned long f = this->Frames; f != 0; --f)
{
q += count;
for (i = count; i != 0; --i)
*--q = *p++;
q += count;
}
}
}
}
private:
/** rotate image left and store result in the same storage area
*
** @param data array of pointers to source/destination image pixels
*/
inline void rotateLeft(T *data[])
{
const unsigned long count = OFstatic_cast(unsigned long, this->Dest_X) * OFstatic_cast(unsigned long, this->Dest_Y);
T *temp = new T[count];
if (temp != NULL)
{
register Uint16 x;
register Uint16 y;
register const T *p;
register T *q;
register T *r;
for (int j = 0; j < this->Planes; ++j)
{
r = data[j];
for (unsigned long f = this->Frames; f != 0; --f)
{
OFBitmanipTemplate<T>::copyMem(OFstatic_cast(const T *, r), temp, count); // create temporary copy of current frame
p = temp;
r += count;
for (x = this->Dest_X; x != 0; --x)
{
q = r - x;
for (y = this->Dest_Y; y != 0; --y)
{
*q = *p++;
q -= this->Dest_X;
}
}
}
}
delete[] temp;
}
}
/** rotate image right and store result in the same storage area
*
** @param data array of pointers to source/destination image pixels
*/
inline void rotateRight(T *data[])
{
const unsigned long count = OFstatic_cast(unsigned long, this->Dest_X) * OFstatic_cast(unsigned long, this->Dest_Y);
T *temp = new T[count];
if (temp != NULL)
{
register Uint16 x;
register Uint16 y;
register const T *p;
register T *q;
register T *r;
for (int j = 0; j < this->Planes; ++j)
{
r = data[j];
for (unsigned long f = this->Frames; f != 0; --f)
{
OFBitmanipTemplate<T>::copyMem(OFstatic_cast(const T *, r), temp, count); // create temporary copy of current frame
p = temp;
for (x = this->Dest_X; x != 0; --x)
{
q = r + x - 1;
for (y = this->Dest_Y; y != 0; --y)
{
*q = *p++;
q += this->Dest_X;
}
}
r += count;
}
}
delete[] temp;
}
}
/** rotate image top-down and store result in the same storage area
*
** @param data array of pointers to source/destination image pixels
*/
inline void rotateTopDown(T *data[])
{
register unsigned long i;
register T *p;
register T *q;
register T t;
T *s;
const unsigned long count = OFstatic_cast(unsigned long, this->Dest_X) * OFstatic_cast(unsigned long, this->Dest_Y);
for (int j = 0; j < this->Planes; ++j)
{
s = data[j];
for (unsigned long f = this->Frames; f != 0; --f)
{
p = s;
q = s + count;
for (i = count / 2; i != 0; --i)
{
t = *p;
*p++ = *--q;
*q = t;
}
s += count;
}
}
}
};
#endif
/*
*
* CVS/RCS Log:
* $Log: dirotat.h,v $
* Revision 1.21 2010-10-14 13:16:27 joergr
* Updated copyright header. Added reference to COPYRIGHT file.
*
* Revision 1.20 2010-03-01 09:08:47 uli
* Removed some unnecessary include directives in the headers.
*
* Revision 1.19 2009-10-28 14:38:17 joergr
* Fixed minor issues in log output.
*
* Revision 1.18 2009-10-28 09:53:40 uli
* Switched to logging mechanism provided by the "new" oflog module.
*
* Revision 1.17 2006-08-15 16:30:11 meichel
* Updated the code in module dcmimgle to correctly compile when
* all standard C++ classes remain in namespace std.
*
* Revision 1.16 2005/12/08 16:48:08 meichel
* Changed include path schema for all DCMTK header files
*
* Revision 1.15 2005/06/15 08:23:54 joergr
* Fixed bug which prevented rotateTopDown() from rotating multi-frame images
* correctly (only the first frame was actually rotated).
*
* Revision 1.14 2004/04/21 10:00:36 meichel
* Minor modifications for compilation with gcc 3.4.0
*
* Revision 1.13 2004/02/06 11:07:50 joergr
* Distinguish more clearly between const and non-const access to pixel data.
*
* Revision 1.12 2003/12/23 15:53:22 joergr
* Replaced post-increment/decrement operators by pre-increment/decrement
* operators where appropriate (e.g. 'i++' by '++i').
*
* Revision 1.11 2003/12/09 10:14:54 joergr
* Adapted type casts to new-style typecast operators defined in ofcast.h.
* Removed leading underscore characters from preprocessor symbols (reserved
* symbols). Updated copyright header.
*
* Revision 1.10 2001/06/01 15:49:50 meichel
* Updated copyright header
*
* Revision 1.9 2000/09/12 10:04:45 joergr
* Corrected bug: wrong parameter for attribute search routine led to crashes
* when multiple pixel data attributes were contained in the dataset (e.g.
* IconImageSequence). Added new checking routines to avoid crashes when
* processing corrupted image data.
*
* Revision 1.8 2000/03/08 16:24:24 meichel
* Updated copyright header.
*
* Revision 1.7 2000/03/02 12:51:37 joergr
* Rewrote variable initialization in class contructors to avoid warnings
* reported on Irix.
*
* Revision 1.6 1999/09/17 13:07:20 joergr
* Added/changed/completed DOC++ style comments in the header files.
* Enhanced efficiency of some "for" loops.
*
* Revision 1.5 1999/03/24 17:17:20 joergr
* Removed debug code.
* Added/Modified comments and formatting.
*
* Revision 1.4 1999/01/20 15:12:47 joergr
* Added debug code to measure time of some routines.
*
* Revision 1.3 1998/12/16 16:38:49 joergr
* Added additional case to copy pixels.
*
* Revision 1.2 1998/12/14 17:30:49 joergr
* Added (missing) implementation of methods to rotate images/frames without
* creating a new DicomImage.
*
* Revision 1.1 1998/11/27 14:57:46 joergr
* Added copyright message.
* Added methods and classes for flipping and rotating, changed for
* scaling and clipping.
*
*
*/
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