core: rename mbgl directories to mln (#4511)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

include/mln/annotation/annotation.hpp

@@ -0,0 +1,66 @@
+#pragma once
+
+#include <mln/util/geometry.hpp>
+#include <mln/util/variant.hpp>
+#include <mln/util/color.hpp>
+#include <mln/style/property_value.hpp>
+
+#include <cstdint>
+#include <vector>
+#include <string>
+
+namespace mln {
+
+using AnnotationID = uint64_t;
+using AnnotationIDs = std::vector<AnnotationID>;
+
+class SymbolAnnotation {
+public:
+    SymbolAnnotation(Point<double> geometry_, std::string icon_ = {})
+        : geometry(geometry_),
+          icon(std::move(icon_)) {}
+
+    Point<double> geometry;
+    std::string icon;
+};
+
+using ShapeAnnotationGeometry =
+    variant<LineString<double>, Polygon<double>, MultiLineString<double>, MultiPolygon<double>>;
+
+class LineAnnotation {
+public:
+    LineAnnotation(ShapeAnnotationGeometry geometry_,
+                   style::PropertyValue<float> opacity_ = 1.0f,
+                   style::PropertyValue<float> width_ = 1.0f,
+                   style::PropertyValue<Color> color_ = Color::black())
+        : geometry(std::move(geometry_)),
+          opacity(std::move(opacity_)),
+          width(std::move(width_)),
+          color(std::move(color_)) {}
+
+    ShapeAnnotationGeometry geometry;
+    style::PropertyValue<float> opacity;
+    style::PropertyValue<float> width;
+    style::PropertyValue<Color> color;
+};
+
+class FillAnnotation {
+public:
+    FillAnnotation(ShapeAnnotationGeometry geometry_,
+                   style::PropertyValue<float> opacity_ = 1.0f,
+                   style::PropertyValue<Color> color_ = Color::black(),
+                   style::PropertyValue<Color> outlineColor_ = {})
+        : geometry(std::move(geometry_)),
+          opacity(std::move(opacity_)),
+          color(std::move(color_)),
+          outlineColor(std::move(outlineColor_)) {}
+
+    ShapeAnnotationGeometry geometry;
+    style::PropertyValue<float> opacity;
+    style::PropertyValue<Color> color;
+    style::PropertyValue<Color> outlineColor;
+};
+
+using Annotation = variant<SymbolAnnotation, LineAnnotation, FillAnnotation>;
+
+} // namespace mln