Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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search/geometry_cache.cpp

@@ -0,0 +1,75 @@
+#include "search/geometry_cache.hpp"
+
+#include "search/geometry_utils.hpp"
+#include "search/mwm_context.hpp"
+#include "search/retrieval.hpp"
+
+#include "coding/point_coding.hpp"
+
+#include "geometry/mercator.hpp"
+
+namespace search
+{
+// GeometryCache -----------------------------------------------------------------------------------
+GeometryCache::GeometryCache(size_t maxNumEntries, base::Cancellable const & cancellable)
+  : m_maxNumEntries(maxNumEntries), m_cancellable(cancellable)
+{
+  CHECK_GREATER(m_maxNumEntries, 0, ());
+}
+
+void GeometryCache::InitEntry(MwmContext const & context, m2::RectD const & rect, int scale,
+                              Entry & entry)
+{
+  Retrieval retrieval(context, m_cancellable);
+
+  entry.m_rect = rect;
+  entry.m_cbv = retrieval.RetrieveGeometryFeatures(rect, scale);
+  entry.m_scale = scale;
+}
+
+// PivotRectsCache ---------------------------------------------------------------------------------
+PivotRectsCache::PivotRectsCache(size_t maxNumEntries, base::Cancellable const & cancellable,
+                                 double maxRadiusMeters)
+  : GeometryCache(maxNumEntries, cancellable), m_maxRadiusMeters(maxRadiusMeters)
+{
+}
+
+CBV PivotRectsCache::Get(MwmContext const & context, m2::RectD const & rect, int scale)
+{
+  auto p = FindOrCreateEntry(
+      context.GetId(), [&rect, &scale](Entry const & entry)
+      {
+        return scale == entry.m_scale &&
+               (entry.m_rect.IsRectInside(rect) || IsEqualMercator(rect, entry.m_rect, kMwmPointAccuracy));
+      });
+  auto & entry = p.first;
+  if (p.second)
+  {
+    m2::RectD normRect = mercator::RectByCenterXYAndSizeInMeters(rect.Center(), m_maxRadiusMeters);
+    if (!normRect.IsRectInside(rect))
+      normRect = rect;
+    InitEntry(context, normRect, scale, entry);
+  }
+  return entry.m_cbv;
+}
+
+// LocalityRectsCache ------------------------------------------------------------------------------
+LocalityRectsCache::LocalityRectsCache(size_t maxNumEntries,
+                                       base::Cancellable const & cancellable)
+  : GeometryCache(maxNumEntries, cancellable)
+{
+}
+
+CBV LocalityRectsCache::Get(MwmContext const & context, m2::RectD const & rect, int scale)
+{
+  auto p = FindOrCreateEntry(context.GetId(), [&rect, &scale](Entry const & entry)
+                             {
+                               return scale == entry.m_scale &&
+                                      IsEqualMercator(rect, entry.m_rect, kMwmPointAccuracy);
+                             });
+  auto & entry = p.first;
+  if (p.second)
+    InitEntry(context, rect, scale, entry);
+  return entry.m_cbv;
+}
+}  // namespace search