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125 lines
3.9 KiB
C
125 lines
3.9 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkImageMask.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkImageMask
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* @brief Combines a mask and an image.
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*
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* vtkImageMask combines a mask with an image. Non zero mask
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* implies the output pixel will be the same as the image.
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* If a mask pixel is zero, then the output pixel
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* is set to "MaskedValue". The filter also has the option to pass
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* the mask through a boolean not operation before processing the image.
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* This reverses the passed and replaced pixels.
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* The two inputs should have the same "WholeExtent".
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* The mask input should be unsigned char, and the image scalar type
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* is the same as the output scalar type.
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*/
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#ifndef vtkImageMask_h
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#define vtkImageMask_h
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#include "vtkImagingCoreModule.h" // For export macro
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#include "vtkThreadedImageAlgorithm.h"
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class VTKIMAGINGCORE_EXPORT vtkImageMask : public vtkThreadedImageAlgorithm
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{
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public:
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static vtkImageMask *New();
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vtkTypeMacro(vtkImageMask,vtkThreadedImageAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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/**
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* SetGet the value of the output pixel replaced by mask.
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*/
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void SetMaskedOutputValue(int num, double *v);
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void SetMaskedOutputValue(double v) {this->SetMaskedOutputValue(1, &v);}
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void SetMaskedOutputValue(double v1, double v2)
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{double v[2]; v[0]=v1; v[1]=v2; this->SetMaskedOutputValue(2, v);}
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void SetMaskedOutputValue(double v1, double v2, double v3)
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{double v[3]; v[0]=v1; v[1]=v2; v[2]=v3; this->SetMaskedOutputValue(3, v);}
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double *GetMaskedOutputValue() {return this->MaskedOutputValue;}
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int GetMaskedOutputValueLength() {return this->MaskedOutputValueLength;}
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//@{
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/**
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* Set/Get the alpha blending value for the mask
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* The input image is assumed to be at alpha = 1.0
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* and the mask image uses this alpha to blend using
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* an over operator.
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*/
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vtkSetClampMacro ( MaskAlpha, double, 0.0, 1.0 );
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vtkGetMacro ( MaskAlpha, double );
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//@}
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/**
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* Set the input to be masked.
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*/
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void SetImageInputData(vtkImageData *in);
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/**
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* Set the mask to be used.
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*/
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void SetMaskInputData(vtkImageData *in);
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//@{
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/**
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* When Not Mask is on, the mask is passed through a boolean not
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* before it is used to mask the image. The effect is to pass the
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* pixels where the input mask is zero, and replace the pixels
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* where the input value is non zero.
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*/
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vtkSetMacro(NotMask,int);
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vtkGetMacro(NotMask,int);
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vtkBooleanMacro(NotMask, int);
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//@}
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/**
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* Set the two inputs to this filter
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*/
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virtual void SetInput1Data(vtkDataObject *in) { this->SetInputData(0,in); }
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virtual void SetInput2Data(vtkDataObject *in) { this->SetInputData(1,in); }
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protected:
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vtkImageMask();
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~vtkImageMask();
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double *MaskedOutputValue;
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int MaskedOutputValueLength;
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int NotMask;
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double MaskAlpha;
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virtual int RequestInformation (vtkInformation *,
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vtkInformationVector **,
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vtkInformationVector *);
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virtual void ThreadedRequestData(vtkInformation *request,
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vtkInformationVector **inputVector,
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vtkInformationVector *outputVector,
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vtkImageData ***inData,
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vtkImageData **outData,
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int extent[6], int threadId);
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private:
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vtkImageMask(const vtkImageMask&) VTK_DELETE_FUNCTION;
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void operator=(const vtkImageMask&) VTK_DELETE_FUNCTION;
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};
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#endif
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