ScopeFOVDiagram.cpp

#include "stdafx.h"
#include "ScopeFOVDiagram.h"
#include "parameters\Scope.h"
#include "helpers\helpers.h"

namespace scope {
    namespace gui {

CScopeFOVDiagram::CScopeFOVDiagram(const uint32_t& _area, const parameters::Scope* _params)
    : area(_area)
    , params(_params) {
    connections.push_back(params->areas[area]->fpuxystage.xpos.ConnectGUI(std::bind(&CScopeFOVDiagram::UpdateDiagram, this)));
    connections.push_back(params->areas[area]->fpuxystage.ypos.ConnectGUI(std::bind(&CScopeFOVDiagram::UpdateDiagram, this)));
    connections.push_back(params->areas[area]->micronperpixelx.ConnectGUI(std::bind(&CScopeFOVDiagram::UpdateDiagram, this)));
    connections.push_back(params->areas[area]->micronperpixely.ConnectGUI(std::bind(&CScopeFOVDiagram::UpdateDiagram, this)));
    connections.push_back(params->areas[area]->Currentframe().xoffset.ConnectGUI(std::bind(&CScopeFOVDiagram::UpdateDiagram, this)));
    connections.push_back(params->areas[area]->Currentframe().yoffset.ConnectGUI(std::bind(&CScopeFOVDiagram::UpdateDiagram, this)));
}

CScopeFOVDiagram::~CScopeFOVDiagram() {
    for ( auto& c : connections )
        c.disconnect();
}

bool CScopeFOVDiagram::AttachToDlgItem(HWND hWnd) {
    if ( SubclassWindow(hWnd) ) {
        return true;
    }
    return false;
}

void CScopeFOVDiagram::UpdateDiagram() {
    if ( ::IsWindow(m_hWnd) )
        Invalidate();
}

void CScopeFOVDiagram::DrawItem(LPDRAWITEMSTRUCT lpdis) {
    CDCHandle dc = lpdis->hDC;

    dc.SaveDC();
 
    // Paint background black
    dc.FillSolidRect ( &lpdis->rcItem, RGB(0,0,0) );

    // total fov for zoom 1
    const double totalfovx = params->masterfovsizex();
    const double totalfovy = params->masterfovsizey();

    for ( uint32_t a = 0 ; a < SCOPE_NAREAS ; a++ ) {
        // current fov
        const double zoomedfovx = params->areas[a]->micronperpixelx() * params->areas[a]->Currentframe().xres();
        const double zoomedfovy = params->areas[a]->micronperpixely() * params->areas[a]->Currentframe().yres();
    
        // center of zoomed fov in totalfov, add FPU movement offset and scanner offset
        const double zoomedx = params->areas[a]->fpuxystage.xpos() + params->areas[a]->XOffsetInMicron();
        const double zoomedy = params->areas[a]->fpuxystage.ypos() + params->areas[a]->YOffsetInMicron();
        const double scalerx = (lpdis->rcItem.right-lpdis->rcItem.left)/totalfovx;
        const double scalery = (lpdis->rcItem.bottom-lpdis->rcItem.top)/totalfovy;
    
        // Convert to screen coordinates
        CPoint topleft(round2i16( (totalfovx/2 + zoomedx - zoomedfovx/2) * scalerx), round2i16( (totalfovy/2 + zoomedy - zoomedfovy/2) * scalery));
        CPoint bottomright(round2i16( (totalfovx/2 + zoomedx + zoomedfovx/2) * scalerx), round2i16( (totalfovy/2 + zoomedy + zoomedfovy/2) * scalery));
        CRect rect(topleft, bottomright);
    
        // Paint this area's FOV white, the other areas' gray
        if ( area == a )
            dc.FillSolidRect(&rect, RGB(255,255,255));
        else
            dc.FillSolidRect(&rect, RGB(128,128,128));
    }

    dc.RestoreDC(-1);
}

}
}