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e3e4a1985a
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65 lines
1.4 KiB
C++
65 lines
1.4 KiB
C++
#include "qt/ruler.hpp"
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#include "geometry/mercator.hpp"
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#include <iomanip>
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#include <string>
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namespace qt
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{
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bool Ruler::IsActive() { return m_isActive; }
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void Ruler::SetActive(bool status)
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{
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m_isActive = status;
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if (!m_isActive)
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{
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m_polyline.clear();
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m_sumDistanceM = 0.0;
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}
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}
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void Ruler::AddPoint(m2::PointD const & point)
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{
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m_pointsPair[0] = m_pointsPair[1];
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m_pointsPair[1] = mercator::ToLatLon(point);
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m_polyline.insert(m_polyline.begin(), point);
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if (IsValidPolyline())
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SetDistance();
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}
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void Ruler::DrawLine(df::DrapeApi & drapeApi)
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{
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if (!IsValidPolyline())
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return;
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static dp::Color const lightGreyColor = dp::Color(102, 102, 102, 210);
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drapeApi.RemoveLine(m_id);
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SetId();
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drapeApi.AddLine(
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m_id, df::DrapeApiLineData(m_polyline, lightGreyColor).Width(7.0f).ShowPoints(true).ShowId());
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}
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void Ruler::EraseLine(df::DrapeApi & drapeApi) { drapeApi.RemoveLine(m_id); }
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bool Ruler::IsValidPolyline() { return m_polyline.size() > 1; }
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void Ruler::SetDistance()
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{
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m_sumDistanceM += oblate_spheroid::GetDistance(m_pointsPair[0], m_pointsPair[1]);
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}
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void Ruler::SetId()
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{
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std::ostringstream curValStream;
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curValStream << std::fixed << std::setprecision(1);
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if (m_sumDistanceM >= 1000.0)
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curValStream << m_sumDistanceM / 1000.0 << " km";
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else
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curValStream << m_sumDistanceM << " m";
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m_id = curValStream.str();
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}
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} // namespace qt
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