/usr/include/dcmtk/dcmimgle/diflipt.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: dcmimgle
*
* Author: Joerg Riesmeier
*
* Purpose: DicomFlipTemplate (Header)
*
*/
#ifndef DIFLIPT_H
#define DIFLIPT_H
#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmimgle/dipixel.h"
#include "dcmtk/dcmimgle/ditranst.h"
/*---------------------*
* class declaration *
*---------------------*/
/** Template class to flip images (on pixel data level).
* horizontally and vertically
*/
template<class T>
class DiFlipTemplate
: public DiTransTemplate<T>
{
public:
/** constructor.
* This method is used to flip an image and store the result in the same storage area.
*
** @param pixel pointer to object where the pixel data are stored
* @param columns width of the image
* @param rows height of the image
* @param frames number of frames
* @param horz flags indicating whether to flip horizontally or not
* @param vert flags indicating whether to flip vertically or not
*/
DiFlipTemplate(DiPixel *pixel,
const Uint16 columns,
const Uint16 rows,
const Uint32 frames,
const int horz,
const int vert)
: DiTransTemplate<T>(0, columns, rows, columns, rows, frames)
{
if (pixel != NULL)
{
this->Planes = pixel->getPlanes();
if ((pixel->getCount() > 0) && (this->Planes > 0) &&
(pixel->getCount() == OFstatic_cast(unsigned long, columns) * OFstatic_cast(unsigned long, rows) * frames))
{
if (horz && vert)
flipHorzVert(OFstatic_cast(T **, pixel->getDataArrayPtr()));
else if (horz)
flipHorz(OFstatic_cast(T **, pixel->getDataArrayPtr()));
else if (vert)
flipVert(OFstatic_cast(T **, pixel->getDataArrayPtr()));
} else {
DCMIMGLE_WARN("could not flip image ... corrupted data");
}
}
}
/** constructor.
* This method is used to perform only the preparation and to start flipping later with method 'flipData()'
*
** @param planes number of planes (1 or 3)
* @param columns width of the image
* @param rows height of the image
* @param frames number of frames
*/
DiFlipTemplate(const int planes,
const Uint16 columns,
const Uint16 rows,
const Uint32 frames)
: DiTransTemplate<T>(planes, columns, rows, columns, rows, frames)
{
}
/** destructor
*/
virtual ~DiFlipTemplate()
{
}
/** choose algorithm depending on flipping mode
*
** @param src array of pointers to source image pixels
* @param dest array of pointers to destination image pixels
* @param horz flags indicating whether to flip horizontally or not
* @param vert flags indicating whether to flip vertically or not
*/
inline void flipData(const T *src[],
T *dest[],
const int horz,
const int vert)
{
if ((src != NULL) && (dest != NULL))
{
if (horz && vert)
flipHorzVert(src, dest);
else if (horz)
flipHorz(src, dest);
else if (vert)
flipVert(src, dest);
else
this->copyPixel(src, dest);
}
}
protected:
/** flip source image horizontally 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 flipHorz(const T *src[],
T *dest[])
{
if ((src != NULL) && (dest != NULL))
{
Uint16 x;
Uint16 y;
const T *p;
T *q;
T *r;
for (int j = 0; j < this->Planes; ++j)
{
p = src[j];
r = dest[j];
for (Uint32 f = this->Frames; f != 0; --f)
{
for (y = this->Src_Y; y != 0; --y)
{
q = r + this->Dest_X;
for (x = this->Src_X; x != 0; --x)
*--q = *p++;
r += this->Dest_X;
}
}
}
}
}
/** flip source image vertically 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 flipVert(const T *src[],
T *dest[])
{
if ((src != NULL) && (dest != NULL))
{
Uint16 x;
Uint16 y;
const T *p;
T *q;
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 (Uint32 f = this->Frames; f != 0; --f)
{
r += count;
for (y = this->Src_Y; y != 0; --y)
{
q = r - this->Dest_X;
for (x = this->Src_X; x != 0; --x)
*q++ = *p++;
r -= this->Dest_X;
}
r += count;
}
}
}
}
/** flip source image horizontally and vertically 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 flipHorzVert(const T *src[],
T *dest[])
{
if ((src != NULL) && (dest != NULL))
{
unsigned long i;
const T *p;
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 (Uint32 f = this->Frames; f != 0; --f)
{
q += count;
for (i = count; i != 0; --i)
*--q = *p++;
q += count;
}
}
}
}
private:
/** flip image horizontally and store result in the same storage area
*
** @param data array of pointers to source/destination image pixels
*/
inline void flipHorz(T *data[])
{
Uint16 x;
Uint16 y;
T *p;
T *q;
T t;
T *r;
for (int j = 0; j < this->Planes; ++j)
{
r = data[j];
for (Uint32 f = this->Frames; f != 0; --f)
{
for (y = this->Src_Y; y != 0; --y)
{
p = r;
r += this->Dest_X;
q = r;
for (x = this->Src_X / 2; x != 0; --x)
{
t = *p;
*p++ = *--q;
*q = t;
}
}
}
}
}
/** flip image vertically and store result in the same storage area
*
** @param data array of pointers to source/destination image pixels
*/
inline void flipVert(T *data[])
{
Uint16 x;
Uint16 y;
T *p;
T *q;
T *r;
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 (Uint32 f = this->Frames; f != 0; --f)
{
p = s;
s += count;
r = s;
for (y = this->Src_Y / 2; y != 0; --y)
{
r -= this->Dest_X;
q = r;
for (x = this->Src_X; x != 0; --x)
{
t = *p;
*p++ = *q;
*q++ = t;
}
}
}
}
}
/** flip image horizontally and vertically and store result in the same storage area
*
** @param data array of pointers to source/destination image pixels
*/
inline void flipHorzVert(T *data[])
{
unsigned long i;
T *p;
T *q;
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 (Uint32 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
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