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65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
#include "generator/feature_helpers.hpp"
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#include "generator/feature_builder.hpp"
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#include "indexer/feature_visibility.hpp"
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#include "base/stl_helpers.hpp"
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#include <algorithm>
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namespace feature
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{
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CalculateMidPoints::CalculateMidPoints()
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{
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m_minDrawableScaleFn = [](FeatureBuilder const & fb)
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{
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return GetMinDrawableScale(fb.GetTypesHolder(), fb.GetLimitRect());
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};
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}
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void CalculateMidPoints::operator()(FeatureBuilder const & ft, uint64_t pos)
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{
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// Reset state.
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m_midLoc = m2::PointD::Zero();
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m_locCount = 0;
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ft.ForEachPoint(*this);
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CHECK_GREATER(m_locCount, 0, ());
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m_midLoc = m_midLoc / m_locCount;
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uint64_t const pointAsInt64 = PointToInt64Obsolete(m_midLoc, m_coordBits);
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int const minScale = m_minDrawableScaleFn(ft);
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/// May be invisible if it's small area object with [0-9] scales.
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/// @todo Probably, we need to keep that objects if 9 scale (as we do in 17 scale).
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if (minScale != -1)
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{
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uint64_t const order = (static_cast<uint64_t>(minScale) << 59) | (pointAsInt64 >> 5);
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m_vec.emplace_back(order, pos);
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}
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}
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bool CalculateMidPoints::operator()(m2::PointD const & p)
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{
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m_midLoc += p;
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m_midAll += p;
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++m_locCount;
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++m_allCount;
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return true;
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}
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m2::PointD CalculateMidPoints::GetCenter() const
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{
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// Possible in unit tests.
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if (m_allCount == 0)
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return {0, 0};
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return m_midAll / m_allCount;
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}
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void CalculateMidPoints::Sort()
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{
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std::sort(m_vec.begin(), m_vec.end(), base::LessBy(&CellAndOffset::first));
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}
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} // namespace feature
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