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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageFoo.cxx
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 "vtkImageFoo.h"
#include "vtkBar.h"
#include "vtkImageData.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
//----------------------------------------------------------------------------
vtkStandardNewMacro(vtkImageFoo);
//----------------------------------------------------------------------------
vtkImageFoo::vtkImageFoo()
{
this->Foo = 0.0;
this->OutputScalarType = -1;
this->Bar = vtkBar::New();
}
//----------------------------------------------------------------------------
vtkImageFoo::~vtkImageFoo()
{
if (this->Bar)
{
this->Bar->Delete();
this->Bar = NULL;
}
}
//----------------------------------------------------------------------------
void vtkImageFoo::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Foo: " << this->Foo << "\n";
os << indent << "Output Scalar Type: " << this->OutputScalarType << "\n";
}
//----------------------------------------------------------------------------
int vtkImageFoo::RequestInformation(vtkInformation*,
vtkInformationVector**,
vtkInformationVector* outputVector)
{
// Set the scalar type we will produce in the output information for
// the first output port.
if(this->OutputScalarType != -1)
{
vtkInformation* outInfo = outputVector->GetInformationObject(0);
vtkDataObject::SetPointDataActiveScalarInfo(
outInfo, this->OutputScalarType, -1);
}
return 1;
}
//----------------------------------------------------------------------------
// This function template implements the filter for any combination of
// input and output data type.
template <class IT, class OT>
void vtkImageFooExecute(vtkImageFoo* self,
vtkImageData* inData, IT* inPtr,
vtkImageData* outData, OT* outPtr,
int outExt[6], int id)
{
float foo = self->GetFoo();
int idxR, idxY, idxZ;
int maxY, maxZ;
vtkIdType inIncX, inIncY, inIncZ;
vtkIdType outIncX, outIncY, outIncZ;
int rowLength;
unsigned long count = 0;
unsigned long target;
// find the region to loop over
rowLength = (outExt[1] - outExt[0]+1)*inData->GetNumberOfScalarComponents();
maxY = outExt[3] - outExt[2];
maxZ = outExt[5] - outExt[4];
target = (unsigned long)((maxZ+1)*(maxY+1)/50.0);
target++;
// Get increments to march through data
inData->GetContinuousIncrements(outExt, inIncX, inIncY, inIncZ);
outData->GetContinuousIncrements(outExt, outIncX, outIncY, outIncZ);
// Loop through output pixels
for (idxZ = 0; idxZ <= maxZ; idxZ++)
{
for (idxY = 0; !self->AbortExecute && idxY <= maxY; idxY++)
{
if (!id)
{
if (!(count%target))
{
self->UpdateProgress(count/(50.0*target));
}
count++;
}
for (idxR = 0; idxR < rowLength; idxR++)
{
// Pixel operation. Add foo. Dumber would be impossible.
*outPtr = (OT)((float)(*inPtr) + foo);
outPtr++;
inPtr++;
}
outPtr += outIncY;
inPtr += inIncY;
}
outPtr += outIncZ;
inPtr += inIncZ;
}
}
//----------------------------------------------------------------------------
// This function template is instantiated for each input data type and
// forwards the call to the above function template for each output
// data type.
template <class T>
void vtkImageFooExecute1(vtkImageFoo* self,
vtkImageData* inData, T* inPtr,
vtkImageData* outData,
int outExt[6], int id)
{
void *outPtr = outData->GetScalarPointerForExtent(outExt);
int outType = outData->GetScalarType();
switch (outType)
{
vtkTemplateMacro(
vtkImageFooExecute(self,
inData, inPtr,
outData, static_cast<VTK_TT*>(outPtr),
outExt, id)
);
default:
vtkErrorWithObjectMacro(self, "Unknown output scalar type " << outType);
return;
}
}
//----------------------------------------------------------------------------
// This method is passed an input and output data, and executes the
// filter algorithm to fill the output from the input. It just
// executes a switch statement to call the correct function for the
// datas data types.
void vtkImageFoo::ThreadedRequestData(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*,
vtkImageData*** inData,
vtkImageData** outData,
int outExt[6], int id)
{
void* inPtr = inData[0][0]->GetScalarPointerForExtent(outExt);
int inType = inData[0][0]->GetScalarType();
switch (inType)
{
vtkTemplateMacro(
vtkImageFooExecute1(this, inData[0][0], static_cast<VTK_TT*>(inPtr),
outData[0], outExt, id)
);
default:
vtkErrorMacro("Unknown input scalar type " << inType);
return;
}
}
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