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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkImageMaskBits.cxx,v $
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkImageMaskBits.h"
#include "vtkImageData.h"
#include "vtkImageProgressIterator.h"
#include "vtkObjectFactory.h"
#include <math.h>
vtkCxxRevisionMacro(vtkImageMaskBits, "$Revision: 1.17 $");
vtkStandardNewMacro(vtkImageMaskBits);
vtkImageMaskBits::vtkImageMaskBits()
{
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(1);
this->Operation = VTK_AND;
this->Masks[0] = 0xffffffff;
this->Masks[1] = 0xffffffff;
this->Masks[2] = 0xffffffff;
this->Masks[3] = 0xffffffff;
}
//----------------------------------------------------------------------------
// This execute method handles boundaries.
// it handles boundaries. Pixels are just replicated to get values
// out of extent.
template <class T>
void vtkImageMaskBitsExecute(vtkImageMaskBits *self,
vtkImageData *inData,
vtkImageData *outData,
int outExt[6], int id, T *)
{
vtkImageIterator<T> inIt(inData, outExt);
vtkImageProgressIterator<T> outIt(outData, outExt, self, id);
int idxC, maxC;
unsigned int *masks;
int operation;
// find the region to loop over
maxC = inData->GetNumberOfScalarComponents();
masks = self->GetMasks();
operation = self->GetOperation();
// Loop through ouput pixels
while (!outIt.IsAtEnd())
{
T* inSI = inIt.BeginSpan();
T* outSI = outIt.BeginSpan();
T* outSIEnd = outIt.EndSpan();
switch (operation)
{
case VTK_AND:
while (outSI != outSIEnd)
{
for (idxC = 0; idxC < maxC; idxC++)
{
// Pixel operation
*outSI++ = *inSI++ & (T) masks[idxC];
}
}
break;
case VTK_OR:
while (outSI != outSIEnd)
{
for (idxC = 0; idxC < maxC; idxC++)
{
// Pixel operation
*outSI++ = *inSI++ | (T) masks[idxC];
}
}
break;
case VTK_XOR:
while (outSI != outSIEnd)
{
for (idxC = 0; idxC < maxC; idxC++)
{
// Pixel operation
*outSI++ = *inSI++ ^ (T) masks[idxC];
}
}
break;
case VTK_NAND:
while (outSI != outSIEnd)
{
for (idxC = 0; idxC < maxC; idxC++)
{
// Pixel operation
*outSI++ = ~(*inSI++ & (T) masks[idxC]);
}
}
break;
case VTK_NOR:
while (outSI != outSIEnd)
{
for (idxC = 0; idxC < maxC; idxC++)
{
// Pixel operation
*outSI++ = ~(*inSI++ | (T) masks[idxC]);
}
}
break;
}
inIt.NextSpan();
outIt.NextSpan();
}
}
//----------------------------------------------------------------------------
// This method contains a switch statement that calls the correct
// templated function for the input data type. The output data
// must match input type. This method does handle boundary conditions.
void vtkImageMaskBits::ThreadedExecute (vtkImageData *inData,
vtkImageData *outData,
int outExt[6], int id)
{
// this filter expects that input is the same type as output.
if (inData->GetScalarType() != outData->GetScalarType())
{
vtkErrorMacro(<< "Execute: input ScalarType, "
<< inData->GetScalarType()
<< ", must match out ScalarType "
<< outData->GetScalarType());
return;
}
switch (inData->GetScalarType())
{
case VTK_INT:
vtkImageMaskBitsExecute(this, inData, outData, outExt, id,
static_cast<int *>(0));
break;
case VTK_UNSIGNED_INT:
vtkImageMaskBitsExecute(this, inData, outData, outExt, id,
static_cast<unsigned int *>(0));
break;
case VTK_LONG:
vtkImageMaskBitsExecute(this, inData, outData, outExt, id,
static_cast<long *>(0));
break;
case VTK_UNSIGNED_LONG:
vtkImageMaskBitsExecute(this, inData, outData, outExt, id,
static_cast<unsigned long *>(0));
break;
case VTK_SHORT:
vtkImageMaskBitsExecute(this, inData, outData, outExt, id,
static_cast<short *>(0));
break;
case VTK_UNSIGNED_SHORT:
vtkImageMaskBitsExecute(this, inData, outData, outExt, id,
static_cast<unsigned short *>(0));
break;
case VTK_CHAR:
vtkImageMaskBitsExecute(this, inData, outData, outExt, id,
static_cast<char *>(0));
break;
case VTK_UNSIGNED_CHAR:
vtkImageMaskBitsExecute(this, inData, outData, outExt, id,
static_cast<unsigned char *>(0));
break;
default:
vtkErrorMacro(<< "Execute: ScalarType can only be [unsigned] char, [unsigned] short, "
<< "[unsigned] int, or [unsigned] long.");
return;
}
}
void vtkImageMaskBits::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Operation: " << this->Operation << "\n";
os << indent << "Masks: ("
<< this->Masks[0] << ", " << this->Masks[1] << ", "
<< this->Masks[2] << ", " << this->Masks[3] << ")" << endl;
}
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