From ca6f55d712267fefdb0f209c5b86e30abdbf6559 Mon Sep 17 00:00:00 2001
From: Dan Paulat <dpaulat@gmail.com>
Date: Fri, 1 Sep 2023 08:30:46 -0500
Subject: [PATCH] Placefile image statement

---
 wxdata/include/scwx/gr/placefile.hpp | 19 +++++++++
 wxdata/source/scwx/gr/placefile.cpp  | 64 +++++++++++++++++++++++++++-
 2 files changed, 82 insertions(+), 1 deletion(-)

diff --git a/wxdata/include/scwx/gr/placefile.hpp b/wxdata/include/scwx/gr/placefile.hpp
index d092ed3f..81b37daa 100644
--- a/wxdata/include/scwx/gr/placefile.hpp
+++ b/wxdata/include/scwx/gr/placefile.hpp
@@ -142,6 +142,25 @@ public:
       std::vector<Element> elements_ {};
    };
 
+   struct ImageDrawItem : DrawItem
+   {
+      ImageDrawItem() { itemType_ = ItemType::Image; }
+
+      std::string imageFile_ {};
+
+      struct Element
+      {
+         double latitude_ {};
+         double longitude_ {};
+         double x_ {};
+         double y_ {};
+         double tu_ {};
+         double tv_ {};
+      };
+
+      std::vector<Element> elements_ {};
+   };
+
    struct PolygonDrawItem : DrawItem
    {
       PolygonDrawItem() { itemType_ = ItemType::Polygon; }
diff --git a/wxdata/source/scwx/gr/placefile.cpp b/wxdata/source/scwx/gr/placefile.cpp
index 27febd8c..5d007647 100644
--- a/wxdata/source/scwx/gr/placefile.cpp
+++ b/wxdata/source/scwx/gr/placefile.cpp
@@ -570,9 +570,29 @@ void Placefile::Impl::ProcessLine(const std::string& line)
       //    lat, lon, Tu [, Tv ]
       //    ...
       // End:
+      std::vector<std::string> tokenList =
+         util::ParseTokens(line, {" "}, imageKey_.size());
+
       currentStatement_ = DrawingStatement::Image;
 
-      // TODO
+      std::shared_ptr<ImageDrawItem> di = nullptr;
+
+      if (tokenList.size() >= 1)
+      {
+         di = std::make_shared<ImageDrawItem>();
+
+         di->threshold_ = threshold_;
+
+         TrimQuotes(tokenList[0]);
+         di->imageFile_.swap(tokenList[0]);
+
+         currentDrawItem_ = di;
+         drawItems_.emplace_back(std::move(di));
+      }
+      else
+      {
+         logger_->warn("Image statement malformed: {}", line);
+      }
    }
    else if (boost::istarts_with(line, polygonKey_))
    {
@@ -664,6 +684,48 @@ void Placefile::Impl::ProcessElement(const std::string& line)
          logger_->warn("Triangles sub-statement malformed: {}", line);
       }
    }
+   else if (currentStatement_ == DrawingStatement::Image)
+   {
+      // Image: image_file
+      //    lat, lon, Tu [, Tv ]
+      //    ...
+      // End:
+      std::vector<std::string> tokenList =
+         util::ParseTokens(line, {",", ",", ",", ","});
+
+      ImageDrawItem::Element element;
+
+      if (tokenList.size() >= 3)
+      {
+         ParseLocation(tokenList[0],
+                       tokenList[1],
+                       element.latitude_,
+                       element.longitude_,
+                       element.x_,
+                       element.y_);
+
+         element.tu_ = std::stod(tokenList[2]);
+      }
+
+      if (tokenList.size() >= 4)
+      {
+         element.tv_ = std::stod(tokenList[3]);
+      }
+      else
+      {
+         element.tv_ = element.tu_;
+      }
+
+      if (tokenList.size() >= 3)
+      {
+         std::static_pointer_cast<ImageDrawItem>(currentDrawItem_)
+            ->elements_.emplace_back(std::move(element));
+      }
+      else
+      {
+         logger_->warn("Image sub-statement malformed: {}", line);
+      }
+   }
    else if (currentStatement_ == DrawingStatement::Polygon)
    {
       // Polygon: