/usr/include/dcmtk/dcmimgle/dimoopxt.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: DicomMonoOutputPixelTemplate (Header)
*
*/
#ifndef DIMOOPXT_H
#define DIMOOPXT_H
#include "dcmtk/config/osconfig.h"
#include "dcmtk/ofstd/ofcast.h"
#include "dcmtk/ofstd/ofbmanip.h"
#include "dcmtk/dcmimgle/dimoopx.h"
#include "dcmtk/dcmimgle/dimopx.h"
#include "dcmtk/dcmimgle/diluptab.h"
#include "dcmtk/dcmimgle/diovlay.h"
#include "dcmtk/dcmimgle/dipxrept.h"
#include "dcmtk/dcmimgle/didispfn.h"
#include "dcmtk/dcmimgle/didislut.h"
#ifdef PASTEL_COLOR_OUTPUT
#include "dimcopxt.h"
#endif
#define INCLUDE_CMATH
#include "dcmtk/ofstd/ofstdinc.h"
/*---------------------*
* class declaration *
*---------------------*/
/** Template class to create monochrome output data
*/
template<class T1, class T2, class T3>
class DiMonoOutputPixelTemplate
: public DiMonoOutputPixel,
public DiPixelRepresentationTemplate<T3>
{
public:
/** constructor
*
** @param buffer storage area for the output pixel data (optional, maybe NULL)
* @param pixel pointer to intermediate pixel representation
* @param overlays array of overlay management objects
* @param vlut VOI LUT (optional, maybe NULL)
* @param plut presentation LUT (optional, maybe NULL)
* @param disp display function (optional, maybe NULL)
* @param vfunc VOI LUT function (optional)
* @param center window center (optional, invalid if 'width' < 1)
* @param width window width (optional, invalid if < 1)
* @param low lowest pixel value for the output data (e.g. 0)
* @param high highest pixel value for the output data (e.g. 255)
* @param columns image's width (in pixels)
* @param rows image's height
* @param frame frame to be rendered
* (#)param frames total number of frames present in intermediate representation
* @param pastel flag indicating whether to use not only 'real' grayscale values (optional, experimental)
*/
DiMonoOutputPixelTemplate(void *buffer,
const DiMonoPixel *pixel,
DiOverlay *overlays[2],
const DiLookupTable *vlut,
const DiLookupTable *plut,
DiDisplayFunction *disp,
const EF_VoiLutFunction vfunc,
const double center,
const double width,
const Uint32 low,
const Uint32 high,
const Uint16 columns,
const Uint16 rows,
const unsigned long frame,
#ifdef PASTEL_COLOR_OUTPUT
const unsigned long frames,
#else
const unsigned long /*frames*/,
#endif
const int pastel = 0)
: DiMonoOutputPixel(pixel, OFstatic_cast(unsigned long, columns) * OFstatic_cast(unsigned long, rows), frame,
OFstatic_cast(unsigned long, fabs(OFstatic_cast(double, high - low)))),
Data(NULL),
DeleteData(buffer == NULL),
ColorData(NULL)
{
if ((pixel != NULL) && (Count > 0) && (FrameSize >= Count))
{
if (pastel)
#ifdef PASTEL_COLOR_OUTPUT
color(buffer, pixel, frame, frames);
#else
DCMIMGLE_ERROR("pastel color output not supported");
#endif
else
{
DCMIMGLE_TRACE("monochrome output image - columns: " << columns << ", rows: " << rows << ", frame: " << frame);
DCMIMGLE_TRACE("monochrome output values - low: " << OFstatic_cast(unsigned long, low) << ", high: "
<< OFstatic_cast(unsigned long, high) << ((low > high) ? " (inverted)" : ""));
Data = OFstatic_cast(T3 *, buffer);
if ((vlut != NULL) && (vlut->isValid())) // valid VOI LUT ?
voilut(pixel, frame * FrameSize, vlut, plut, disp, OFstatic_cast(T3, low), OFstatic_cast(T3, high));
else
{
if (width < 1) // no valid window according to supplement 33
nowindow(pixel, frame * FrameSize, plut, disp, OFstatic_cast(T3, low), OFstatic_cast(T3, high));
else if (vfunc == EFV_Sigmoid)
sigmoid(pixel, frame * FrameSize, plut, disp, center, width, OFstatic_cast(T3, low), OFstatic_cast(T3, high));
else // linear
window(pixel, frame * FrameSize, plut, disp, center, width, OFstatic_cast(T3, low), OFstatic_cast(T3, high));
}
overlay(overlays, disp, columns, rows, frame); // add (visible) overlay planes to output bitmap
}
}
}
/** destructor
*/
virtual ~DiMonoOutputPixelTemplate()
{
if (DeleteData)
delete[] Data;
delete ColorData;
}
/** get integer representation of output data
*
** @return integer representation
*/
inline EP_Representation getRepresentation() const
{
return DiPixelRepresentationTemplate<T3>::getRepresentation();
}
/** get size of one pixel / item in the pixel array
*
** @return item size
*/
inline size_t getItemSize() const
{
return (ColorData != NULL) ? ColorData->getItemSize() : sizeof(T3);
}
/** get pointer to output pixel data
*
** @return pointer to pixel data
*/
inline const void *getData() const
{
return (ColorData != NULL) ? ColorData->getData() : OFstatic_cast(const void *, Data);
}
/** get pointer to output pixel data
*
** @return pointer to pixel data
*/
virtual void *getDataPtr()
{
return (ColorData != NULL) ? ColorData->getDataPtr() : OFstatic_cast(void *, Data);
}
/** remove reference to (internally handled) pixel data (abstract)
*/
inline void removeDataReference()
{
Data = NULL;
DeleteData = 0;
}
/** write pixel data of selected frame to PPM/ASCII file
*
** @param stream open C++ output stream
*
** @return status, true if successful, false otherwise
*/
inline int writePPM(STD_NAMESPACE ostream& stream) const
{
if (Data != NULL)
{
unsigned long i;
for (i = 0; i < FrameSize; ++i)
stream << OFstatic_cast(unsigned long, Data[i]) << " "; // typecast to resolve problems with 'char'
return 1;
}
if (ColorData != NULL)
return ColorData->writePPM(stream);
return 0;
}
/** write pixel data of selected frame to PPM/ASCII file
*
** @param stream open C file stream
*
** @return status, true if successful, false otherwise
*/
inline int writePPM(FILE *stream) const
{
if (Data != NULL)
{
unsigned long i;
for (i = 0; i < FrameSize; ++i)
fprintf(stream, "%lu ", OFstatic_cast(unsigned long, Data[i]));
return 1;
}
if (ColorData != NULL)
return ColorData->writePPM(stream);
return 0;
}
protected:
/** examine which pixel values are actually used
*/
inline void determineUsedValues()
{
if ((UsedValues == NULL) && (MaxValue > 0) && (MaxValue < MAX_TABLE_ENTRY_COUNT))
{
UsedValues = new Uint8[MaxValue + 1];
if (UsedValues != NULL)
{
OFBitmanipTemplate<Uint8>::zeroMem(UsedValues, MaxValue + 1); // initialize array
const T3 *p = Data;
Uint8 *q = UsedValues;
unsigned long i;
for (i = Count; i != 0; --i)
*(q + *(p++)) = 1; // mark used entries
}
}
}
/** determine number of entries for the optimization LUT
*
** @param count number of entries intended to be used for the optimization LUT
* (floating point value)
*
** @return number of entries for the optimization LUT (unsigned integer value)
* or 0 if the size would exceed a certain limit (10,000,000 entries)
*/
inline unsigned long determineOptimizationCount(const double count)
{
return (count <= 10000000.0) ? OFstatic_cast(unsigned long, count) : 0 /* no LUT */;
}
private:
/** create a display LUT with the specified number of input bits
*
** @param dlut reference to storage area where the display LUT should be stored
* @param disp pointer to object describing the current display function
* @param bits number of bits defining the input width of the display LUT
*/
inline void createDisplayLUT(const DiDisplayLUT *&dlut,
DiDisplayFunction *disp,
const int bits)
{
if ((disp != NULL) && (disp->isValid()))
{ // create Display LUT
dlut = disp->getLookupTable(bits);
if ((dlut != NULL) && (dlut->isValid())) // LUT is valid
{
DCMIMGLE_DEBUG("using display transformation");
} else {
DCMIMGLE_WARN("can't create display LUT ... ignoring display transformation");
dlut = NULL;
}
}
}
/** initialize an optimization LUT if the optimization criteria is fulfilled
*
** @param lut reference to storage area where the optimization LUT should be stored
* @param ocnt number of entries for the optimization LUT (0 = never create one)
*
** @return status, true if successful, false otherwise
*/
inline int initOptimizationLUT(T3 *&lut,
const unsigned long ocnt)
{
int result = 0;
if ((sizeof(T1) <= 2) && (ocnt > 0) && (Count > 3 * ocnt)) // optimization criteria
{ // use LUT for optimization
lut = new T3[ocnt];
if (lut != NULL)
{
DCMIMGLE_DEBUG("using optimized routine with additional LUT (" << ocnt << " entries)");
result = 1;
}
}
return result;
}
#ifdef PASTEL_COLOR_OUTPUT
void color(void *buffer, // create true color pastel image
const DiMonoPixel *inter,
const unsigned long frame,
const unsigned long frames)
{
ColorData = new DiMonoColorOutputPixelTemplate<T1, T3>(buffer, inter, frame, frames);
if (ColorData != NULL)
DCMIMGLE_DEBUG(">>> COLOR <<<");
}
#endif
/** apply the currently active VOI LUT to the output data
*
** @param inter pointer to intermediate pixel representation
* @param start offset of the first pixel to be processed
* @param vlut VOI LUT
* @param plut presentation LUT (optional, maybe NULL)
* @param disp display function (optional, maybe NULL)
* @param low lowest pixel value for the output data (e.g. 0)
* @param high highest pixel value for the output data (e.g. 255)
*/
void voilut(const DiMonoPixel *inter,
const Uint32 start,
const DiLookupTable *vlut,
const DiLookupTable *plut,
DiDisplayFunction *disp,
const T3 low,
const T3 high)
{
const T1 *pixel = OFstatic_cast(const T1 *, inter->getData());
if ((pixel != NULL) && (vlut != NULL))
{
if (Data == NULL)
Data = new T3[FrameSize];
if (Data != NULL)
{
DCMIMGLE_DEBUG("applying VOI transformation with LUT (" << vlut->getCount() << " entries)");
const DiDisplayLUT *dlut = NULL;
const double minvalue = vlut->getMinValue();
const double outrange = OFstatic_cast(double, high) - OFstatic_cast(double, low) + 1;
unsigned long i;
if (minvalue == vlut->getMaxValue()) // LUT has only one entry or all entries are equal
{
T3 value;
if ((plut != NULL) && (plut->isValid())) // has presentation LUT
{
DCMIMGLE_DEBUG("applying presentation LUT transformation");
createDisplayLUT(dlut, disp, plut->getBits());
const Uint32 value2 = OFstatic_cast(Uint32, (minvalue / OFstatic_cast(double, vlut->getAbsMaxRange())) * plut->getCount());
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #1 - UNTESTED");
if (low > high) // inverse
value = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, plut->getAbsMaxRange() - plut->getValue(value2) - 1)));
else // normal
value = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, plut->getValue(value2))));
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #2");
value = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, plut->getValue(value2)) * outrange / OFstatic_cast(double, plut->getAbsMaxRange()));
}
} else { // has no presentation LUT
createDisplayLUT(dlut, disp, vlut->getBits());
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #3 - UNTESTED");
if (low > high) // inverse
value = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, vlut->getAbsMaxRange() - minvalue - 1)));
else // normal
value = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, minvalue)));
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #4");
value = OFstatic_cast(T3, OFstatic_cast(double, low) + (minvalue / OFstatic_cast(double, vlut->getAbsMaxRange())) * outrange);
}
}
OFBitmanipTemplate<T3>::setMem(Data, value, Count); // set output pixels to LUT value
} else {
T2 value = 0;
const T2 absmin = OFstatic_cast(T2, inter->getAbsMinimum());
const T2 firstentry = vlut->getFirstEntry(value); // choose signed/unsigned method
const T2 lastentry = vlut->getLastEntry(value);
const unsigned long ocnt = determineOptimizationCount(inter->getAbsMaxRange()); // number of LUT entries
const T1 *p = pixel + start;
T3 *q = Data;
T3 *lut = NULL;
if ((plut != NULL) && (plut->isValid())) // has presentation LUT
{
DCMIMGLE_DEBUG("applying presentation LUT transformation");
createDisplayLUT(dlut, disp, plut->getBits());
Uint32 value2; // presentation LUT is always unsigned
const Uint32 pcnt = plut->getCount();
const double gradient1 = OFstatic_cast(double, pcnt) / OFstatic_cast(double, vlut->getAbsMaxRange());
const Uint32 firstvalue = OFstatic_cast(Uint32, OFstatic_cast(double, vlut->getFirstValue()) * gradient1);
const Uint32 lastvalue = OFstatic_cast(Uint32, OFstatic_cast(double, vlut->getLastValue()) * gradient1);
if (initOptimizationLUT(lut, ocnt))
{ // use LUT for optimization
q = lut;
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #5");
if (low > high) // inverse
{
const Uint16 maxvalue = OFstatic_cast(Uint16, plut->getAbsMaxRange() - 1);
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(T2, i) + absmin;
if (value <= firstentry)
value2 = firstvalue;
else if (value >= lastentry)
value2 = lastvalue;
else
value2 = OFstatic_cast(Uint32, OFstatic_cast(double, vlut->getValue(value)) * gradient1);
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, maxvalue - plut->getValue(value2))));
}
} else { // normal
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(T2, i) + absmin;
if (value <= firstentry)
value2 = firstvalue;
else if (value >= lastentry)
value2 = lastvalue;
else
value2 = OFstatic_cast(Uint32, OFstatic_cast(double, vlut->getValue(value)) * gradient1);
*(q++) = OFstatic_cast(T3, dlut->getValue(plut->getValue(value2)));
}
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #6");
const double gradient2 = outrange / OFstatic_cast(double, plut->getAbsMaxRange());
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(T2, i) + absmin;
if (value <= firstentry)
value2 = firstvalue;
else if (value >= lastentry)
value2 = lastvalue;
else
value2 = OFstatic_cast(Uint32, OFstatic_cast(double, vlut->getValue(value)) * gradient1);
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, plut->getValue(value2)) * gradient2);
}
}
const T3 *lut0 = lut - OFstatic_cast(T2, inter->getAbsMinimum()); // points to 'zero' entry
q = Data;
for (i = Count; i != 0; --i) // apply LUT
*(q++) = *(lut0 + (*(p++)));
}
if (lut == NULL) // use "normal" transformation
{
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #7");
if (low > high) // inverse
{
const Uint16 maxvalue = OFstatic_cast(Uint16, vlut->getAbsMaxRange() - 1);
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(T2, *(p++)); // pixel value
if (value <= firstentry)
value2 = firstvalue;
else if (value >= lastentry)
value2 = lastvalue;
else
value2 = OFstatic_cast(Uint32, OFstatic_cast(double, vlut->getValue(value)) * gradient1);
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, maxvalue - plut->getValue(value2))));
}
} else { // normal
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(T2, *(p++)); // pixel value
if (value <= firstentry)
value2 = firstvalue;
else if (value >= lastentry)
value2 = lastvalue;
else
value2 = OFstatic_cast(Uint32, OFstatic_cast(double, vlut->getValue(value)) * gradient1);
*(q++) = OFstatic_cast(T3, dlut->getValue(plut->getValue(value2)));
}
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #8");
const double gradient2 = outrange / OFstatic_cast(double, plut->getAbsMaxRange());
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(T2, *(p++)); // pixel value
if (value <= firstentry)
value2 = firstvalue;
else if (value >= lastentry)
value2 = lastvalue;
else
value2 = OFstatic_cast(Uint32, OFstatic_cast(double, vlut->getValue(value)) * gradient1);
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, plut->getValue(value2)) * gradient2);
}
}
}
} else { // has no presentation LUT
createDisplayLUT(dlut, disp, vlut->getBits());
const double gradient = outrange / OFstatic_cast(double, vlut->getAbsMaxRange());
const T3 firstvalue = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, vlut->getFirstValue()) * gradient);
const T3 lastvalue = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, vlut->getLastValue()) * gradient);
if (initOptimizationLUT(lut, ocnt))
{ // use LUT for optimization
q = lut;
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #9");
if (low > high) // inverse
{
const Uint16 maxvalue = OFstatic_cast(Uint16, vlut->getAbsMaxRange() - 1);
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(T2, i) + absmin;
if (value < firstentry)
value = firstentry;
else if (value > lastentry)
value = lastentry;
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, maxvalue - vlut->getValue(value))));
}
} else { // normal
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(T2, i) + absmin;
if (value < firstentry)
value = firstentry;
else if (value > lastentry)
value = lastentry;
*(q++) = OFstatic_cast(T3, dlut->getValue(vlut->getValue(value)));
}
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #10");
for (i = 0; i < ocnt; ++i) // calculating LUT entries
{
value = OFstatic_cast(T2, i) + absmin;
if (value <= firstentry)
*(q++) = firstvalue;
else if (value >= lastentry)
*(q++) = lastvalue;
else
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, vlut->getValue(value)) * gradient);
}
}
const T3 *lut0 = lut - OFstatic_cast(T2, inter->getAbsMinimum()); // points to 'zero' entry
q = Data;
for (i = Count; i != 0; --i) // apply LUT
*(q++) = *(lut0 + (*(p++)));
}
if (lut == NULL) // use "normal" transformation
{
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #11");
if (low > high) // inverse
{
const Uint16 maxvalue = OFstatic_cast(Uint16, vlut->getAbsMaxRange() - 1);
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(T2, *(p++));
if (value < firstentry)
value = firstentry;
else if (value > lastentry)
value = lastentry;
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, maxvalue - vlut->getValue(value))));
}
} else { // normal
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(T2, *(p++));
if (value < firstentry)
value = firstentry;
else if (value > lastentry)
value = lastentry;
*(q++) = OFstatic_cast(T3, dlut->getValue(vlut->getValue(value)));
}
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI LUT #12");
for (i = 0; i < Count; ++i)
{
value = OFstatic_cast(T2, *(p++));
if (value <= firstentry)
*(q++) = firstvalue;
else if (value >= lastentry)
*(q++) = lastvalue;
else
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, vlut->getValue(value)) * gradient);
}
}
}
}
delete[] lut;
}
if (Count < FrameSize)
OFBitmanipTemplate<T3>::zeroMem(Data + Count, FrameSize - Count); // set remaining pixels of frame to zero
}
} else
Data = NULL;
}
/** perform linear scaling to the output data (no windowing)
*
** @param inter pointer to intermediate pixel representation
* @param start offset of the first pixel to be processed
* @param plut presentation LUT (optional, maybe NULL)
* @param disp display function (optional, maybe NULL)
* @param low lowest pixel value for the output data (e.g. 0)
* @param high highest pixel value for the output data (e.g. 255)
*/
void nowindow(const DiMonoPixel *inter,
const Uint32 start,
const DiLookupTable *plut,
DiDisplayFunction *disp,
const T3 low,
const T3 high)
{
const DiDisplayLUT *dlut = NULL;
const T1 *pixel = OFstatic_cast(const T1 *, inter->getData());
if (pixel != NULL)
{
if (Data == NULL) // create new output buffer
Data = new T3[FrameSize];
if (Data != NULL)
{
DCMIMGLE_DEBUG("applying no VOI transformation (linear scaling)");
const double absmin = inter->getAbsMinimum();
const double absmax = inter->getAbsMaximum();
const double outrange = OFstatic_cast(double, high) - OFstatic_cast(double, low) + 1; // output range
const unsigned long ocnt = determineOptimizationCount(inter->getAbsMaxRange()); // number of LUT entries
DCMIMGLE_TRACE("intermediate pixel data - absmin: " << absmin << ", absmax: " << absmax);
const T1 *p = pixel + start;
T3 *q = Data;
unsigned long i;
T3 *lut = NULL;
if ((plut != NULL) && (plut->isValid())) // has presentation LUT
{
DCMIMGLE_DEBUG("applying presentation LUT transformation");
createDisplayLUT(dlut, disp, plut->getBits());
Uint32 value; // presentation LUT is always unsigned
const double gradient1 = OFstatic_cast(double, plut->getCount()) / inter->getAbsMaxRange();
const double gradient2 = outrange / OFstatic_cast(double, plut->getAbsMaxRange());
if (initOptimizationLUT(lut, ocnt))
{ // use LUT for optimization
q = lut;
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI NONE #1");
if (low > high) // inverse
{
const Uint16 maxvalue = OFstatic_cast(Uint16, plut->getAbsMaxRange() - 1);
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(Uint32, OFstatic_cast(double, i) * gradient1);
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, maxvalue - plut->getValue(value))));
}
} else { // normal
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(Uint32, OFstatic_cast(double, i) * gradient1);
*(q++) = OFstatic_cast(T3, dlut->getValue(plut->getValue(value)));
}
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI NONE #2");
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(Uint32, OFstatic_cast(double, i) * gradient1);
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, plut->getValue(value)) * gradient2);
}
}
const T3 *lut0 = lut - OFstatic_cast(T2, inter->getAbsMinimum()); // points to 'zero' entry
q = Data;
for (i = Count; i != 0; --i) // apply LUT
*(q++) = *(lut0 + (*(p++)));
}
if (lut == NULL) // use "normal" transformation
{
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI NONE #3");
if (low > high) // inverse
{
const Uint16 maxvalue = OFstatic_cast(Uint16, plut->getAbsMaxRange() - 1);
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(Uint32, (OFstatic_cast(double, *(p++)) - absmin) * gradient1);
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, maxvalue - plut->getValue(value))));
}
} else { // normal
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(Uint32, (OFstatic_cast(double, *(p++)) - absmin) * gradient1);
*(q++) = OFstatic_cast(T3, dlut->getValue(plut->getValue(value)));
}
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI NONE #4");
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(Uint32, (OFstatic_cast(double, *(p++)) - absmin) * gradient1);
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, plut->getValue(value)) * gradient2);
}
}
}
} else { // has no presentation LUT
createDisplayLUT(dlut, disp, inter->getBits());
const double gradient = outrange / (inter->getAbsMaxRange());
if (initOptimizationLUT(lut, ocnt))
{ // use LUT for optimization
q = lut;
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI NONE #5");
if (low > high) // inverse
{
for (i = ocnt; i != 0; --i) // calculating LUT entries
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, i - 1)));
} else { // normal
for (i = 0; i < ocnt; ++i) // calculating LUT entries
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, i)));
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI NONE #6");
for (i = 0; i < ocnt; ++i) // calculating LUT entries
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, i) * gradient);
}
const T3 *lut0 = lut - OFstatic_cast(T2, inter->getAbsMinimum()); // points to 'zero' entry
q = Data;
for (i = Count; i != 0; --i) // apply LUT
*(q++) = *(lut0 + (*(p++)));
}
if (lut == NULL) // use "normal" transformation
{
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI NONE #7");
if (low > high) // inverse
{
for (i = Count; i != 0; --i)
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, absmax - (OFstatic_cast(double, *(p++)) - absmin))));
} else { // normal
for (i = Count; i != 0; --i)
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, OFstatic_cast(double, *(p++)) - absmin)));
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI NONE #8");
for (i = Count; i != 0; --i)
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + (OFstatic_cast(double, *(p++)) - absmin) * gradient);
}
}
}
delete[] lut;
if (Count < FrameSize)
OFBitmanipTemplate<T3>::zeroMem(Data + Count, FrameSize - Count); // set remaining pixels of frame to zero
}
} else
Data = NULL;
}
/** apply the currently active sigmoid VOI window to the output data
*
** @param inter pointer to intermediate pixel representation
* @param start offset of the first pixel to be processed
* @param plut presentation LUT (optional, maybe NULL)
* @param disp display function (optional, maybe NULL)
* @param center window center
* @param width window width (>= 1)
* @param low lowest pixel value for the output data (e.g. 0)
* @param high highest pixel value for the output data (e.g. 255)
*/
void sigmoid(const DiMonoPixel *inter,
const Uint32 start,
const DiLookupTable *plut,
DiDisplayFunction *disp,
const double center,
const double width,
const T3 low,
const T3 high)
{
const T1 *pixel = OFstatic_cast(const T1 *, inter->getData());
if (pixel != NULL)
{
if (Data == NULL)
Data = new T3[FrameSize]; // create new output buffer
if (Data != NULL)
{
DCMIMGLE_DEBUG("applying sigmoid VOI transformation with window center = " << center << ", width = " << width);
const DiDisplayLUT *dlut = NULL;
const double absmin = inter->getAbsMinimum();
const double outrange = OFstatic_cast(double, high) - OFstatic_cast(double, low); // output range
const unsigned long ocnt = determineOptimizationCount(inter->getAbsMaxRange()); // number of LUT entries
const T1 *p = pixel + start;
T3 *q = Data;
unsigned long i;
double value;
T3 *lut = NULL;
if ((plut != NULL) && (plut->isValid())) // has presentation LUT
{
DCMIMGLE_DEBUG("applying presentation LUT transformation");
createDisplayLUT(dlut, disp, plut->getBits());
Uint32 value2; // presentation LUT is always unsigned
const double plutcnt_1 = OFstatic_cast(double, plut->getCount() - 1);
const double plutmax_1 = OFstatic_cast(double, plut->getAbsMaxRange() - 1);
if (initOptimizationLUT(lut, ocnt))
{ // use LUT for optimization
q = lut;
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI SIGMOID #1");
const double maxvalue = OFstatic_cast(double, dlut->getCount() - 1);
const double offset = (low > high) ? maxvalue : 0;
const double gradient = (low > high) ? (-maxvalue / plutmax_1) : (maxvalue / plutmax_1);
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(double, i) + absmin;
value2 = OFstatic_cast(Uint32, plutcnt_1 / (1 + exp(-4 * (value - center) / width)));
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, offset + OFstatic_cast(double, plut->getValue(value2)) * gradient)));
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI SIGMOID #2");
const double gradient = outrange / plutmax_1;
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(double, i) + absmin;
value2 = OFstatic_cast(Uint32, plutcnt_1 / (1 + exp(-4 * (value - center) / width)));
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, plut->getValue(value2)) * gradient);
}
}
const T3 *lut0 = lut - OFstatic_cast(T2, absmin); // points to 'zero' entry
q = Data;
for (i = Count; i != 0; --i) // apply LUT
*(q++) = *(lut0 + (*(p++)));
}
if (lut == NULL) // use "normal" transformation
{
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI SIGMOID #3");
const double maxvalue = OFstatic_cast(double, dlut->getCount() - 1);
const double offset = (low > high) ? maxvalue : 0;
const double gradient = (low > high) ? (-maxvalue / plutmax_1) : (maxvalue / plutmax_1);
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(double, *(p++));
value2 = OFstatic_cast(Uint32, plutcnt_1 / (1 + exp(-4 * (value - center) / width)));
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, offset + OFstatic_cast(double, plut->getValue(value2)) * gradient)));
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI SIGMOID #4");
const double gradient = outrange / plutmax_1;
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(double, *(p++));
value2 = OFstatic_cast(Uint32, plutcnt_1 / (1 + exp(-4 * (value - center) / width)));
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, plut->getValue(value2)) * gradient);
}
}
}
} else { // has no presentation LUT
createDisplayLUT(dlut, disp, bitsof(T1));
if (initOptimizationLUT(lut, ocnt))
{ // use LUT for optimization
q = lut;
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI SIGMOID #5");
const double maxvalue = OFstatic_cast(double, dlut->getCount() - 1);
const double outrange2 = (low > high) ? -maxvalue : maxvalue;
const double offset = (low > high) ? maxvalue : 0;
for (i = 0; i < ocnt; ++i) // calculating LUT entries
{
value = OFstatic_cast(double, i) + absmin;
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, offset + outrange2 / (1 + exp(-4 * (value - center) / width)))));
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI SIGMOID #6");
for (i = 0; i < ocnt; ++i) // calculating LUT entries
{
value = OFstatic_cast(double, i) + absmin;
*(q++) = OFstatic_cast(T3, outrange / (1 + exp(-4 * (value - center) / width)));
}
}
const T3 *lut0 = lut - OFstatic_cast(T2, absmin); // points to 'zero' entry
q = Data;
for (i = Count; i != 0; --i) // apply LUT
*(q++) = *(lut0 + (*(p++)));
}
if (lut == NULL) // use "normal" transformation
{
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI SIGMOID #7");
const double maxvalue = OFstatic_cast(double, dlut->getCount() - 1);
const double outrange2 = (low > high) ? -maxvalue : maxvalue;
const double offset = (low > high) ? maxvalue : 0;
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(double, *(p++));
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, offset + outrange2 / (1 + exp(-4 * (value - center) / width)))));
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI SIGMOID #8");
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(double, *(p++));
*(q++) = OFstatic_cast(T3, outrange / (1 + exp(-4 * (value - center) / width)));
}
}
}
}
delete[] lut;
if (Count < FrameSize)
OFBitmanipTemplate<T3>::zeroMem(Data + Count, FrameSize - Count); // set remaining pixels of frame to zero
}
} else
Data = NULL;
}
/** apply the currently active linear VOI window to the output data
*
** @param inter pointer to intermediate pixel representation
* @param start offset of the first pixel to be processed
* @param plut presentation LUT (optional, maybe NULL)
* @param disp display function (optional, maybe NULL)
* @param center window center
* @param width window width (>= 1)
* @param low lowest pixel value for the output data (e.g. 0)
* @param high highest pixel value for the output data (e.g. 255)
*/
void window(const DiMonoPixel *inter,
const Uint32 start,
const DiLookupTable *plut,
DiDisplayFunction *disp,
const double center,
const double width,
const T3 low,
const T3 high)
{
const T1 *pixel = OFstatic_cast(const T1 *, inter->getData());
if (pixel != NULL)
{
if (Data == NULL)
Data = new T3[FrameSize]; // create new output buffer
if (Data != NULL)
{
DCMIMGLE_DEBUG("applying linear VOI transformation with window center = " << center << ", width = " << width);
const DiDisplayLUT *dlut = NULL;
const double absmin = inter->getAbsMinimum();
const double width_1 = width - 1;
const double leftBorder = center - 0.5 - width_1 / 2; // window borders, according to supplement 33
const double rightBorder = center - 0.5 + width_1 / 2;
const double outrange = OFstatic_cast(double, high) - OFstatic_cast(double, low); // output range
const unsigned long ocnt = determineOptimizationCount(inter->getAbsMaxRange()); // number of LUT entries
const T1 *p = pixel + start;
T3 *q = Data;
unsigned long i;
double value;
T3 *lut = NULL;
if ((plut != NULL) && (plut->isValid())) // has presentation LUT
{
DCMIMGLE_DEBUG("applying presentation LUT transformation");
createDisplayLUT(dlut, disp, plut->getBits());
Uint32 value2; // presentation LUT is always unsigned
const Uint32 pcnt = plut->getCount();
const double plutmax_1 = OFstatic_cast(double, plut->getAbsMaxRange()) - 1;
const double gradient1 = (width_1 == 0) ? 0 : OFstatic_cast(double, pcnt - 1) / width_1;
if (initOptimizationLUT(lut, ocnt))
{ // use LUT for optimization
q = lut;
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI LINEAR #1");
const double maxvalue = OFstatic_cast(double, dlut->getCount() - 1);
const double offset = (low > high) ? maxvalue : 0;
const double gradient2 = (low > high) ? (-maxvalue / plutmax_1) : (maxvalue / plutmax_1);
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(double, i) + absmin; // pixel value
if (value <= leftBorder)
value2 = 0; // first LUT index
else if (value > rightBorder)
value2 = pcnt - 1; // last LUT index
else
value2 = OFstatic_cast(Uint32, (value - leftBorder) * gradient1);
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, offset + OFstatic_cast(double, plut->getValue(value2)) * gradient2)));
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI LINEAR #2");
const double gradient2 = outrange / plutmax_1;
for (i = 0; i < ocnt; ++i)
{
value = OFstatic_cast(double, i) + absmin; // pixel value
if (value <= leftBorder)
value2 = 0; // first LUT index
else if (value > rightBorder)
value2 = pcnt - 1; // last LUT index
else
value2 = OFstatic_cast(Uint32, (value - leftBorder) * gradient1);
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, plut->getValue(value2)) * gradient2);
}
}
const T3 *lut0 = lut - OFstatic_cast(T2, absmin); // points to 'zero' entry
q = Data;
for (i = Count; i != 0; --i) // apply LUT
*(q++) = *(lut0 + (*(p++)));
}
if (lut == NULL) // use "normal" transformation
{
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI LINEAR #3");
const double maxvalue = OFstatic_cast(double, dlut->getCount() - 1);
const double offset = (low > high) ? maxvalue : 0;
const double gradient2 = (low > high) ? (-maxvalue / plutmax_1) : (maxvalue / plutmax_1);
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(double, *(p++)); // pixel value
if (value <= leftBorder)
value2 = 0; // first LUT index
else if (value > rightBorder)
value2 = pcnt - 1; // last LUT index
else
value2 = OFstatic_cast(Uint32, (value - leftBorder) * gradient1);
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, offset + OFstatic_cast(double, plut->getValue(value2)) * gradient2)));
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI LINEAR #4");
const double gradient2 = outrange / plutmax_1;
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(double, *(p++)); // pixel value
if (value <= leftBorder)
value2 = 0; // first LUT index
else if (value > rightBorder)
value2 = pcnt - 1; // last LUT index
else
value2 = OFstatic_cast(Uint32, (value - leftBorder) * gradient1);
*(q++) = OFstatic_cast(T3, OFstatic_cast(double, low) + OFstatic_cast(double, plut->getValue(value2)) * gradient2);
}
}
}
} else { // has no presentation LUT
createDisplayLUT(dlut, disp, bitsof(T1));
if (initOptimizationLUT(lut, ocnt))
{ // use LUT for optimization
q = lut;
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI LINEAR #5");
const double maxvalue = OFstatic_cast(double, dlut->getCount() - 1);
const double offset = (low > high) ? maxvalue : 0;
const double gradient = (width_1 == 0) ? 0 : ((low > high) ? (-maxvalue / width_1) : (maxvalue / width_1));
for (i = 0; i < ocnt; ++i) // calculating LUT entries
{
value = OFstatic_cast(double, i) + absmin - leftBorder;
if (value < 0) // left border
value = 0;
else if (value > width_1) // right border
value = width_1;
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, offset + value * gradient))); // calculate value
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI LINEAR #6");
const double offset = (width_1 == 0) ? 0 : (high - ((center - 0.5) / width_1 + 0.5) * outrange);
const double gradient = (width_1 == 0) ? 0 : outrange / width_1;
for (i = 0; i < ocnt; ++i) // calculating LUT entries
{
value = OFstatic_cast(double, i) + absmin;
if (value <= leftBorder)
*(q++) = low; // black/white
else if (value > rightBorder)
*(q++) = high; // white/black
else
*(q++) = OFstatic_cast(T3, offset + value * gradient); // gray value
}
}
const T3 *lut0 = lut - OFstatic_cast(T2, absmin); // points to 'zero' entry
q = Data;
for (i = Count; i != 0; --i) // apply LUT
*(q++) = *(lut0 + (*(p++)));
}
if (lut == NULL) // use "normal" transformation
{
if (dlut != NULL) // perform display transformation
{
DCMIMGLE_TRACE("monochrome rendering: VOI LINEAR #7");
const double maxvalue = OFstatic_cast(double, dlut->getCount() - 1);
const double offset = (low > high) ? maxvalue : 0;
const double gradient = (width_1 == 0) ? 0 : ((low > high) ? (-maxvalue / width_1) : (maxvalue / width_1));
for (i = Count; i != 0; --i) // calculating LUT entries
{
value = OFstatic_cast(double, *(p++)) - leftBorder;
if (value < 0) // left border
value = 0;
else if (value > width_1) // right border
value = width_1;
*(q++) = OFstatic_cast(T3, dlut->getValue(OFstatic_cast(Uint16, offset + value * gradient))); // calculate value
}
} else { // don't use display: invalid or absent
DCMIMGLE_TRACE("monochrome rendering: VOI LINEAR #8");
const double offset = (width_1 == 0) ? 0 : (high - ((center - 0.5) / width_1 + 0.5) * outrange);
const double gradient = (width_1 == 0) ? 0 : outrange / width_1;
for (i = Count; i != 0; --i)
{
value = OFstatic_cast(double, *(p++));
if (value <= leftBorder)
*(q++) = low; // black/white
else if (value > rightBorder)
*(q++) = high; // white/black
else
*(q++) = OFstatic_cast(T3, offset + value * gradient); // gray value
}
}
}
}
delete[] lut;
if (Count < FrameSize)
OFBitmanipTemplate<T3>::zeroMem(Data + Count, FrameSize - Count); // set remaining pixels of frame to zero
}
} else
Data = NULL;
}
/** apply the currently active overlay planes to the output data
*
** @param overlays array of overlay management objects
* @param disp display function (optional, maybe NULL)
* @param columns image's width (in pixels)
* @param rows image's height (in pixels)
* @param frame number of frame to be rendered
*/
void overlay(DiOverlay *overlays[2],
DiDisplayFunction *disp,
const Uint16 columns,
const Uint16 rows,
const unsigned long frame)
{
if ((Data != NULL) && (overlays != NULL))
{
for (unsigned int j = 0; j < 2; ++j)
{
if (overlays[j] != NULL)
{
if (overlays[j]->getCount() > 0)
DCMIMGLE_DEBUG("applying " << ((j == 0) ? "built-in" : "additional") << " overlay planes");
const signed long left_pos = overlays[j]->getLeft();
const signed long top_pos = overlays[j]->getTop();
DiOverlayPlane *plane;
for (unsigned int i = 0; i < overlays[j]->getCount(); ++i)
{
plane = overlays[j]->getPlane(i);
if ((plane != NULL) && plane->isVisible() && plane->reset(frame))
{
T3 *q;
Uint16 x;
Uint16 y;
const Uint16 xmin = (plane->getLeft(left_pos) > 0) ? plane->getLeft(left_pos) : 0;
const Uint16 ymin = (plane->getTop(top_pos) > 0) ? plane->getTop(top_pos) : 0;
const Uint16 xmax = (plane->getRight(left_pos) < columns) ? plane->getRight(left_pos) : columns;
const Uint16 ymax = (plane->getBottom(top_pos) < rows) ? plane->getBottom(top_pos) : rows;
const T3 maxvalue = OFstatic_cast(T3, DicomImageClass::maxval(bitsof(T3)));
switch (plane->getMode())
{
case EMO_Replace:
{
DCMIMGLE_DEBUG("applying overlay plane " << (i + 1) << " with 'replace' mode");
const T3 fore = OFstatic_cast(T3, plane->getForeground() * maxvalue);
for (y = ymin; y < ymax; ++y)
{
plane->setStart(OFstatic_cast(Uint16, left_pos + xmin), OFstatic_cast(Uint16, top_pos + y));
q = Data + OFstatic_cast(unsigned long, y) * OFstatic_cast(unsigned long, columns) + OFstatic_cast(unsigned long, xmin);
for (x = xmin; x < xmax; ++x, ++q)
{
if (plane->getNextBit())
*q = fore;
}
}
break;
}
case EMO_ThresholdReplace:
{
DCMIMGLE_DEBUG("applying overlay plane " << (i + 1) << " with 'threshold replace' mode");
const T3 fore = OFstatic_cast(T3, plane->getForeground() * maxvalue);
const T3 thresh = OFstatic_cast(T3, plane->getThreshold() * maxvalue);
for (y = ymin; y < ymax; ++y)
{
plane->setStart(OFstatic_cast(Uint16, left_pos + xmin), OFstatic_cast(Uint16, top_pos + y));
q = Data + OFstatic_cast(unsigned long, y) * OFstatic_cast(unsigned long, columns) + OFstatic_cast(unsigned long, xmin);
for (x = xmin; x < xmax; ++x, ++q)
{
if (plane->getNextBit())
*q = (*q <= thresh) ? fore : 1;
}
}
break;
}
case EMO_Complement:
{
DCMIMGLE_DEBUG("applying overlay plane " << (i + 1) << " with 'complement' mode");
const T3 thresh = OFstatic_cast(T3, DicomImageClass::maxval(bitsof(T3) / 2));
for (y = ymin; y < ymax; ++y)
{
plane->setStart(OFstatic_cast(Uint16, left_pos + xmin), OFstatic_cast(Uint16, top_pos + y));
q = Data + OFstatic_cast(unsigned long, y) * OFstatic_cast(unsigned long, columns) + OFstatic_cast(unsigned long, xmin);
for (x = xmin; x < xmax; ++x, ++q)
{
if (plane->getNextBit())
*q = (*q <= thresh) ? maxvalue : 0;
}
}
break;
}
case EMO_InvertBitmap:
{
DCMIMGLE_DEBUG("applying overlay plane " << (i + 1) << " with 'invert bitmap' mode");
const T3 fore = OFstatic_cast(T3, plane->getForeground() * maxvalue);
for (y = ymin; y < ymax; ++y)
{
plane->setStart(OFstatic_cast(Uint16, left_pos + xmin), OFstatic_cast(Uint16, top_pos + y));
q = Data + OFstatic_cast(unsigned long, y) * OFstatic_cast(unsigned long, columns) + OFstatic_cast(unsigned long, xmin);
for (x = xmin; x < xmax; ++x, ++q)
{
if (!plane->getNextBit())
*q = fore;
}
}
break;
}
case EMO_RegionOfInterest:
{
DCMIMGLE_DEBUG("applying overlay plane " << (i + 1) << " with 'region of interest' mode");
const int dim = bitsof(T3) / 2;
for (y = ymin; y < ymax; ++y)
{
plane->setStart(OFstatic_cast(Uint16, left_pos + xmin), OFstatic_cast(Uint16, top_pos + y));
q = Data + OFstatic_cast(unsigned long, y) * OFstatic_cast(unsigned long, columns) + OFstatic_cast(unsigned long, xmin);
for (x = xmin; x < xmax; ++x, ++q)
{
if (!plane->getNextBit())
*q = *q >> dim;
}
}
break;
}
case EMO_BitmapShutter:
{
DCMIMGLE_DEBUG("applying overlay plane " << (i + 1) << " with 'bitmap shutter' mode");
T3 fore = OFstatic_cast(T3, OFstatic_cast(double, maxvalue) * OFstatic_cast(double, plane->getPValue()) / OFstatic_cast(double, DicomImageClass::maxval(WIDTH_OF_PVALUES)));
if ((disp != NULL) && (disp->isValid()))
{
const DiDisplayLUT *dlut = disp->getLookupTable(WIDTH_OF_PVALUES);
if ((dlut != NULL) && (dlut->isValid()))
fore = OFstatic_cast(T3, dlut->getValue(plane->getPValue()));
}
for (y = ymin; y < ymax; ++y)
{
plane->setStart(OFstatic_cast(Uint16, left_pos + xmin), OFstatic_cast(Uint16, top_pos + y));
q = Data + OFstatic_cast(unsigned long, y) * OFstatic_cast(unsigned long, columns) + OFstatic_cast(unsigned long, xmin);
for (x = xmin; x < xmax; ++x, ++q)
{
if (plane->getNextBit())
*q = fore;
}
}
break;
}
default: /* e.g. EMO_Default */
DCMIMGLE_WARN("unhandled overlay mode (" << OFstatic_cast(int, plane->getMode()) << ")");
}
}
}
}
}
}
}
/// pointer to the storage area where the output data should be stored
T3 *Data;
/// flag indicating whether the output data buffer should be deleted in the destructor
int DeleteData;
#ifdef PASTEL_COLOR_OUTPUT
DiMonoColorOutputPixelTemplate<T1, T3> *ColorData;
#else
// dummy variable
DiMonoOutputPixel *ColorData;
#endif
// --- declarations to avoid compiler warnings
DiMonoOutputPixelTemplate(const DiMonoOutputPixelTemplate<T1,T2,T3> &);
DiMonoOutputPixelTemplate<T1,T2,T3> &operator=(const DiMonoOutputPixelTemplate<T1,T2,T3> &);
};
#endif
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