Render placefile Place statement

scwx-qt/source/scwx/qt/manager/placefile_manager.cpp

@@ -61,6 +61,24 @@ public:
 PlacefileManager::PlacefileManager() : p(std::make_unique<Impl>(this)) {}
 PlacefileManager::~PlacefileManager() = default;
 
+std::vector<std::shared_ptr<gr::Placefile>>
+PlacefileManager::GetActivePlacefiles()
+{
+   std::vector<std::shared_ptr<gr::Placefile>> placefiles;
+
+   std::shared_lock lock {p->placefileRecordLock_};
+
+   for (const auto& record : p->placefileRecords_)
+   {
+      if (record->enabled_)
+      {
+         placefiles.emplace_back(record->placefile_);
+      }
+   }
+
+   return placefiles;
+}
+
 void PlacefileManager::LoadFile(const std::string& filename)
 {
    logger_->debug("LoadFile: {}", filename);

scwx-qt/source/scwx/qt/manager/placefile_manager.hpp

@@ -1,7 +1,6 @@
 #pragma once
 
-#include <memory>
+#include <scwx/gr/placefile.hpp>
-#include <string>
 
 #include <QObject>
 
@@ -20,6 +19,13 @@ public:
    explicit PlacefileManager();
    ~PlacefileManager();
 
+   /**
+    * @brief Gets a list of active placefiles
+    *
+    * @return Vector of placefile pointers
+    */
+   std::vector<std::shared_ptr<gr::Placefile>> GetActivePlacefiles();
+
    void LoadFile(const std::string& filename);
 
    static std::shared_ptr<PlacefileManager> Instance();

scwx-qt/source/scwx/qt/map/placefile_layer.cpp

@@ -1,8 +1,12 @@
 #include <scwx/qt/map/placefile_layer.hpp>
+#include <scwx/qt/manager/placefile_manager.hpp>
+#include <scwx/qt/util/geographic_lib.hpp>
+#include <scwx/qt/util/maplibre.hpp>
 #include <scwx/util/logger.hpp>
 
 #include <fmt/format.h>
 #include <imgui.h>
+#include <mbgl/util/constants.hpp>
 
 namespace scwx
 {
@@ -20,13 +24,21 @@ public:
    explicit Impl(std::shared_ptr<MapContext> context) {};
    ~Impl() = default;
 
-   void RenderText(const std::string&        text,
+   void RenderPlace(const QMapLibreGL::CustomLayerRenderParameters& params,
+                    std::shared_ptr<gr::Placefile::PlaceDrawItem>   place);
+
+   void RenderText(const QMapLibreGL::CustomLayerRenderParameters& params,
+                   const std::string&                              text,
                    const std::string&                              hoverText,
                    boost::gil::rgba8_pixel_t                       color,
                    float                                           x,
                    float                                           y);
 
    std::uint32_t textId_ {};
+   glm::vec2     mapScreenCoordLocation_ {};
+   float         mapScale_ {1.0f};
+   float         halfWidth_ {};
+   float         halfHeight_ {};
 };
 
 PlacefileLayer::PlacefileLayer(std::shared_ptr<MapContext> context) :
@@ -43,7 +55,33 @@ void PlacefileLayer::Initialize()
    DrawLayer::Initialize();
 }
 
-void PlacefileLayer::Impl::RenderText(const std::string&        text,
+void PlacefileLayer::Impl::RenderPlace(
+   const QMapLibreGL::CustomLayerRenderParameters& params,
+   std::shared_ptr<gr::Placefile::PlaceDrawItem>   place)
+{
+   auto distance = util::GeographicLib::GetDistance(
+      params.latitude, params.longitude, place->latitude_, place->longitude_);
+
+   if (distance < place->threshold_)
+   {
+      const auto screenCoordinates =
+         (util::maplibre::LatLongToScreenCoordinate(
+             {place->latitude_, place->longitude_}) -
+          mapScreenCoordLocation_) *
+         mapScale_;
+
+      RenderText(params,
+                 place->text_,
+                 "",
+                 place->color_,
+                 screenCoordinates.x + place->x_ + halfWidth_,
+                 screenCoordinates.y + place->y_ + halfHeight_);
+   }
+}
+
+void PlacefileLayer::Impl::RenderText(
+   const QMapLibreGL::CustomLayerRenderParameters& params,
+   const std::string&                              text,
    const std::string&                              hoverText,
    boost::gil::rgba8_pixel_t                       color,
    float                                           x,
@@ -51,6 +89,9 @@ void PlacefileLayer::Impl::RenderText(const std::string&        text,
 {
    const std::string windowName {fmt::format("PlacefileText-{}", ++textId_)};
 
+   // Convert screen to ImGui coordinates
+   y = params.height - y;
+
    // Setup "window" to hold text
    ImGui::SetNextWindowPos(
       ImVec2 {x, y}, ImGuiCond_Always, ImVec2 {0.5f, 0.5f});
@@ -87,7 +128,33 @@ void PlacefileLayer::Render(
    // Reset text ID per frame
    p->textId_ = 0;
 
+   // Update map screen coordinate and scale information
+   p->mapScreenCoordLocation_ = util::maplibre::LatLongToScreenCoordinate(
+      {params.latitude, params.longitude});
+   p->mapScale_ = std::pow(2.0, params.zoom) * mbgl::util::tileSize_D /
+                  mbgl::util::DEGREES_MAX;
+   p->halfWidth_  = params.width * 0.5f;
+   p->halfHeight_ = params.height * 0.5f;
+
+   std::shared_ptr<manager::PlacefileManager> placefileManager =
+      manager::PlacefileManager::Instance();
+
    // Render text
+   for (auto& placefile : placefileManager->GetActivePlacefiles())
+   {
+      for (auto& drawItem : placefile->GetDrawItems())
+      {
+         switch (drawItem->itemType_)
+         {
+         case gr::Placefile::ItemType::Place:
+            p->RenderPlace(
+               params,
+               std::static_pointer_cast<gr::Placefile::PlaceDrawItem>(
+                  drawItem));
+            break;
+         }
+      }
+   }
 
    SCWX_GL_CHECK_ERROR();
 }

wxdata/include/scwx/gr/placefile.hpp

@@ -6,6 +6,8 @@
 #include <vector>
 
 #include <boost/gil/typedefs.hpp>
+#include <boost/units/quantity.hpp>
+#include <boost/units/systems/si/length.hpp>
 
 namespace scwx
 {
@@ -33,8 +35,46 @@ public:
    Placefile(Placefile&&) noexcept;
    Placefile& operator=(Placefile&&) noexcept;
 
+   enum class ItemType
+   {
+      Place,
+      Icon,
+      Font,
+      Text,
+      Line,
+      Triangles,
+      Image,
+      Polygon,
+      Unknown
+   };
+
+   struct DrawItem
+   {
+      ItemType itemType_ {ItemType::Unknown};
+      boost::units::quantity<boost::units::si::length> threshold_ {};
+   };
+
+   struct PlaceDrawItem : DrawItem
+   {
+      PlaceDrawItem() { itemType_ = ItemType::Place; }
+
+      boost::gil::rgba8_pixel_t color_ {};
+      double                    latitude_ {};
+      double                    longitude_ {};
+      double                    x_ {};
+      double                    y_ {};
+      std::string               text_ {};
+   };
+
    bool IsValid() const;
 
+   /**
+    * @brief Gets the list of draw items defined in the placefile
+    *
+    * @return vector of draw item pointers
+    */
+   std::vector<std::shared_ptr<DrawItem>> GetDrawItems();
+
    static std::shared_ptr<Placefile> Load(const std::string& filename);
    static std::shared_ptr<Placefile> Load(std::istream& is);
 

wxdata/source/scwx/gr/placefile.cpp

@@ -10,8 +10,6 @@
 
 #include <boost/algorithm/string.hpp>
 #include <boost/units/base_units/metric/nautical_mile.hpp>
-#include <boost/units/quantity.hpp>
-#include <boost/units/systems/si/length.hpp>
 
 namespace scwx
 {
@@ -42,21 +40,6 @@ public:
       double y_ {};
    };
 
-   struct DrawItem
-   {
-      boost::units::quantity<boost::units::si::length> threshold_ {};
-   };
-
-   struct PlaceDrawItem : DrawItem
-   {
-      boost::gil::rgba8_pixel_t color_ {};
-      double                    latitude_ {};
-      double                    longitude_ {};
-      double                    x_ {};
-      double                    y_ {};
-      std::string               text_ {};
-   };
-
    void ParseLocation(const std::string& latitudeToken,
                       const std::string& longitudeToken,
                       double&            latitude,
@@ -93,6 +76,11 @@ bool Placefile::IsValid() const
    return p->drawItems_.size() > 0;
 }
 
+std::vector<std::shared_ptr<Placefile::DrawItem>> Placefile::GetDrawItems()
+{
+   return p->drawItems_;
+}
+
 std::shared_ptr<Placefile> Placefile::Load(const std::string& filename)
 {
    logger_->debug("Loading placefile: {}", filename);