ComputeImageROI.h

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// -*- c-basic-offset: 4 -*-
#ifndef _COMPUTE_IMAGE_ROI_H
#define _COMPUTE_IMAGE_ROI_H

#include <hugin_shared.h>
#include <vigra/diff2d.hxx>
#include <algorithms/PanoramaAlgorithm.h>
#include <panodata/Panorama.h>
#include <panodata/PanoramaOptions.h>



namespace HuginBase {

IMPEX vigra::Rect2D estimateOutputROI(const PanoramaData & pano, const PanoramaOptions & opts, unsigned i, const double maxLength = 180.0);

class IMPEX ComputeImageROI : public PanoramaAlgorithm
{

    public:
        ComputeImageROI(PanoramaData& panorama, const UIntSet & images)
         : PanoramaAlgorithm(panorama), m_images(images)
        {};

        virtual ~ComputeImageROI() {};

    public:
        virtual bool modifiesPanoramaData() const
            { return false; }
        virtual bool runAlgorithm()
        {
            m_rois = computeROIS(o_panorama, o_panorama.getOptions(), m_images);
            return true; // let's hope so.
        }

        virtual std::vector<vigra::Rect2D> getROIS()
        {
            return m_rois;
        }

    public:
        static std::vector<vigra::Rect2D> computeROIS(const PanoramaData& panorama,
                                                      const PanoramaOptions & opts,
                                                      const UIntSet & images);

    protected:
        UIntSet m_images;
        std::vector<vigra::Rect2D> m_rois;
};


} // namespace
#endif // _COMPUTE_IMAGE_ROI_H