1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageConstantPad.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 "vtkImageConstantPad.h"
#include "vtkObjectFactory.h"
#include "vtkImageData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkStreamingDemandDrivenPipeline.h"
vtkStandardNewMacro(vtkImageConstantPad);
//----------------------------------------------------------------------------
// Constructor sets default values
vtkImageConstantPad::vtkImageConstantPad()
{
this->Constant = 0.0;
}
//----------------------------------------------------------------------------
// This templated function executes the filter for any type of data.
template <class T>
void vtkImageConstantPadExecute(vtkImageConstantPad *self,
vtkImageData *inData, T *inPtr,
vtkImageData *outData, T *outPtr,
int outExt[6], int inExt[6], int id)
{
int idxC, idxX, idxY, idxZ;
int maxC, maxX, maxY, maxZ;
vtkIdType inIncX, inIncY, inIncZ;
vtkIdType outIncX, outIncY, outIncZ;
T constant;
int inMinX, inMaxX, inMaxC;
constant = static_cast<T>(self->GetConstant());
int state0, state1, state2, state3;
unsigned long count = 0;
unsigned long target;
// find the region to loop over
maxC = outData->GetNumberOfScalarComponents();
maxX = outExt[1] - outExt[0];
maxY = outExt[3] - outExt[2];
maxZ = outExt[5] - outExt[4];
inMaxC = inData->GetNumberOfScalarComponents();
inMinX = inExt[0] - outExt[0];
inMaxX = inExt[1] - outExt[0];
target = static_cast<unsigned long>((maxZ+1)*(maxY+1)/50.0);
target++;
// Get increments to march through data
inData->GetContinuousIncrements(inExt, inIncX, inIncY, inIncZ);
outData->GetContinuousIncrements(outExt, outIncX, outIncY, outIncZ);
// Loop through ouput pixels
for (idxZ = outExt[4]; idxZ <= outExt[5]; idxZ++)
{
state3 = (idxZ < inExt[4] || idxZ > inExt[5]);
for (idxY = outExt[2]; !self->AbortExecute && idxY <= outExt[3]; idxY++)
{
if (!id)
{
if (!(count%target))
{
self->UpdateProgress(count/(50.0*target));
}
count++;
}
state2 = (state3 || idxY < inExt[2] || idxY > inExt[3]);
if ((maxC == inMaxC) && (maxC == 1))
{
for (idxX = 0; idxX <= maxX; idxX++)
{
state1 = (state2 || idxX < inMinX || idxX > inMaxX);
if (state1)
{
*outPtr = constant;
}
else
{
*outPtr = *inPtr;
inPtr++;
}
outPtr++;
}
}
else
{
for (idxX = 0; idxX <= maxX; idxX++)
{
state1 = (state2 || idxX < inMinX || idxX > inMaxX);
for (idxC = 0; idxC < maxC; idxC++)
{
// Pixel operation
// Copy Pixel
state0 = (state1 || idxC >= inMaxC);
if (state0)
{
*outPtr = constant;
}
else
{
*outPtr = *inPtr;
inPtr++;
}
outPtr++;
}
}
}
outPtr += outIncY;
if (!state2)
{
inPtr += inIncY;
}
}
outPtr += outIncZ;
if (!state3)
{
inPtr += inIncZ;
}
}
}
//----------------------------------------------------------------------------
// This method is passed a 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 vtkImageConstantPad::ThreadedRequestData(
vtkInformation * vtkNotUsed( request ),
vtkInformationVector** inputVector,
vtkInformationVector * vtkNotUsed( outputVector ),
vtkImageData ***inData,
vtkImageData **outData,
int outExt[6], int id)
{
void *outPtr = outData[0]->GetScalarPointerForExtent(outExt);
// this filter expects that input is the same type as output.
if (inData[0][0]->GetScalarType() != outData[0]->GetScalarType())
{
vtkErrorMacro(<< "Execute: input ScalarType, "
<< inData[0][0]->GetScalarType()
<< ", must match out ScalarType "
<< outData[0]->GetScalarType());
return;
}
// get the whole extent
int wExt[6];
vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
inInfo->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(),wExt);
// need to get the correct pointer for the input data
int inExt[6];
this->ComputeInputUpdateExtent(inExt,outExt,wExt);
void *inPtr = inData[0][0]->GetScalarPointerForExtent(inExt);
switch (inData[0][0]->GetScalarType())
{
vtkTemplateMacro(
vtkImageConstantPadExecute(this,
inData[0][0], static_cast<VTK_TT *>(inPtr),
outData[0], static_cast<VTK_TT *>(outPtr),
outExt, inExt, id));
default:
vtkErrorMacro(<< "Execute: Unknown input ScalarType");
return;
}
}
void vtkImageConstantPad::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Constant: " << this->Constant << "\n";
}
|