annotation.hpp

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#pragma once
 
#include <mbgl/util/geometry.hpp>
#include <mbgl/util/variant.hpp>
#include <mbgl/util/color.hpp>
#include <mbgl/style/property_value.hpp>
 
#include <cstdint>
#include <vector>
#include <string>
 
namespace mbgl {
 
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 mbgl