svkMultiWindowToImageFilter.h

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/*
 *  Copyright © 2009-2014 The Regents of the University of California.
 *  All Rights Reserved.
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 *  Redistribution and use in source and binary forms, with or without 
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 *      "The Regents of the University of California," or the names of any of its 
 *      contributors may be used to endorse or promote products derived from this 
 *      software without specific prior written permission.
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 *  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
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/*
 *  $URL$
 *  $Rev$
 *  $Author$
 *  $Date$
 *
 *  Authors:
 *      Jason C. Crane, Ph.D.
 *      Beck Olson
 */


#ifndef SVK_MULTI_WINDOW_TO_IMAGE_FILTER_H
#define SVK_MULTI_WINDOW_TO_IMAGE_FILTER_H


#include <vtkObjectFactory.h>
#include <vtkAlgorithm.h>
#include <vtkImageData.h>
#include <vtkWindowToImageFilter.h>
#include <vtkRenderWindow.h>
#include <vtkInformationVector.h>
#include <vtkInformation.h>
#include <vtkStreamingDemandDrivenPipeline.h>
#include <vtkImageConstantPad.h>
#include <vtkImageAppend.h>
#include <vector>
#include <vtkImageFlip.h>
#include <vtkRenderLargeImage.h>
#include <vtkRendererCollection.h>


namespace svk {


using namespace std;


class svkMultiWindowToImageFilter: public vtkAlgorithm
{

    public:

        static svkMultiWindowToImageFilter* New();
        vtkTypeMacro( svkMultiWindowToImageFilter, vtkAlgorithm);

        //  Methods
        virtual void            SetInput(vtkRenderWindow* data, int indX = 0, int indY = 0, int magnification = 1 );
        virtual vtkImageData*   GetOutput();
        void                    SetPadConstant( int );



    protected:

        svkMultiWindowToImageFilter();
        ~svkMultiWindowToImageFilter();

        virtual int         FillOutputPortInformation(int vtkNotUsed(port), vtkInformation* info);
        virtual int         ProcessRequest(
                                vtkInformation* request, 
                                vtkInformationVector** inputVector,  
                                vtkInformationVector* outputVector
                            );
        virtual int         RequestData(
                                vtkInformation* request, 
                                vtkInformationVector** inputVector,  
                                vtkInformationVector* outputVector
                            );
        virtual int         RequestInformation(
                                vtkInformation* request, 
                                vtkInformationVector** inputVector,  
                                vtkInformationVector* outputVector
                            );


    private:

        //  Members:
        vector < vector <vtkRenderWindow*> >    vtkRenderWindowArray; 
        vector <int>                            colWidthVector; 
        vector <int>                            rowHeightVector; 
        vector < vector <int> >                 magnificationVector;
        double                                  padConstant;
        

};


}   //svk


#endif //SVK_MULTI_WINDOW_TO_IMAGE_FILTER_H