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hugin1/hugin/CPZoomDisplayPanel.h

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

#include <vector>

//#include <vigra_ext/ImageTransforms.h>
//#include <hugin/ImageCache.h>
#include <PT/PanoToolsInterface.h>


class CPZoomDisplayPanel : public wxPanel, public PT::PanoramaObserver
{
//    typedef PT::RemappedPanoImage<vigra::BRGBImage, vigra::BImage> RemappedImage;
public:
    CPZoomDisplayPanel(wxWindow *parent, PT::Panorama & pano );

    virtual ~CPZoomDisplayPanel();

//    void panoramaChanged(PT::Panorama &pano);
//    void panoramaImagesChanged(PT::Panorama &pano, const PT::UIntSet & imgNr);

    void SetPoint(const FDiff2D & point)
        {
            m_validPoint = true;
            m_point = point;
            if (m_validImg) {
                updateInternal();
                // update display
                wxPaintDC dc(this);
                OnDraw(dc);
            }
        }

    void SetImage(unsigned int imgNr)
        {
            m_validImg = true;
            m_imgNr = imgNr;
        }

    // do not display anything
    void Clear()
        {
            m_validImg = false;
            m_validPoint = false;
            // todo: draw blank space. (erase old image)
        }

    // redraw
    void OnRedraw(wxPaintEvent & e);
    void OnSize(wxSizeEvent & e);
protected:

    // update the bitmap, and the transforms.
    void updateInternal();

    void OnDraw(wxDC & dc);
    // on left mousbutton
    void OnLMB(wxMouseEvent & e);

    bool m_validPoint;
    bool m_validImg;

    PT::Panorama & m_pano;

    // the remapped bitmap
    wxBitmap m_bitmap;

    // the other stuff

    // the point
    FDiff2D m_point;
    unsigned int m_imgNr;

    // transforms used for visualisation
    PTools::Transform m_t_img2center;
    PTools::Transform m_t_center2img;

    DECLARE_EVENT_TABLE();
};



#endif // _CPZOOMDISPLAYPANEL_H

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