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#pragma once
#include <string>
#include <string_view>
#include "svg_element.h"
/**
* @brief The GraphvizNode class represents a Graphviz node according to the DOT
* language
*/
class GraphvizNode {
public:
GraphvizNode() = delete;
explicit GraphvizNode(SVG::SVGElement &svg_element);
/// Add an SVG `rect` element representing the bounding box of the node to the
/// corresponding `g` element
void add_bbox();
/// Add an SVG `rect` element representing the outline bounding box of the
/// node to the corresponding `g` element. The outline bounding box is the
/// bounding box with penwidth taken into account.
void add_outline_bbox();
/// Return the node's bounding box
SVG::SVGRect bbox() const;
/// Return the center of the node's bounding box
SVG::SVGPoint center() const;
/// Return the node's `color` attribute in RGB hex format if the opacity is
/// 100 % or in RGBA hex format otherwise.
std::string color() const;
/// Return the node's `fillcolor` attribute in RGB hex format if the opacity
/// is 100 % or in RGBA hex format otherwise.
std::string fillcolor() const;
/// Return the node's `node_id` as defined by the DOT language
std::string_view node_id() const;
/// Return the outline bounding box of the node. The outline bounding box is
/// the bounding box with penwidth taken into account.
SVG::SVGRect outline_bbox() const;
/// Return the node's `penwidth` attribute
double penwidth() const;
/// Return a non-mutable reference to the SVG `g` element corresponding to the
/// node
const SVG::SVGElement &svg_g_element() const;
private:
/// The `node_id` according to the DOT language specification. Note that this
/// is not the same as the `id` attribute of a node
std::string m_node_id;
/// The SVG `g` element corresponding to the node
SVG::SVGElement &m_svg_g_element;
};
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