PrimitiveShapeRender.h

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#pragma once
 
#include <SFML/Graphics/Drawable.hpp>
#include <SFML/Graphics/VertexArray.hpp>
#include <SFML/Graphics/Transformable.hpp>
 
#include "sgui/Render/ClippingLayers.h"
#include "sgui/Core/Polygon.h"
 
namespace sgui
{
class PrimitiveShapeRender : public sf::Drawable, public sf::Transformable
{
public:
  void updateView (const sf::View& newView);
  void initializeClippingLayers ();
  uint32_t setCurrentClippingLayer (const sf::FloatRect& mask);
  void clear ();
  void load (
         const LineFloat& line,
         const float thickness,
         const sf::Color& color = sf::Color::White);
  void loadConnected (
         const LineFloat& line,
         const sf::Vector2f& previousLine,
         const sf::Vector2f& nextLine,
         const float thickness,
         const sf::Color& color = sf::Color::White);
  void loadArrow (
         const LineFloat& arrow,
         const float thickness,
         const sf::Color color = sf::Color::White);
  void load (
         const CircleFloat& circle,
         const float thickness,
         const sf::Color& color = sf::Color::White,
         const uint32_t sample = 50);
  void loadFilled (
         const CircleFloat& circle,
         const sf::Color& color = sf::Color::White,
         const uint32_t sample = 50);
  template <size_t N>
  void load (
         const Polygon<N>& polygon,
         const float thickness,
         const sf::Color& color = sf::Color::White);
  template <size_t N>
  void loadFilled (
         const Polygon<N>& polygon,
         const sf::Color& color = sf::Color::White);
  void load (
         const sf::FloatRect& box,
         const float thickness,
         const sf::Color& color = sf::Color::White);
  void loadFilled (
         const sf::FloatRect& box,
         const sf::Color& color = sf::Color::White);
public:
  ClippingLayers clipping;
private:
  void computeLineMesh (
         const sf::Vector2f& p1,
         const sf::Vector2f& p2,
         const float thickness,
         const sf::Color& color);
  void computeConnectedLineMesh (
         const sf::Vector2f& p1,
         const sf::Vector2f& p2,
         const sf::Vector2f& previous,
         const sf::Vector2f& next,
         const float thickness,
         const sf::Color& color);
  void computeTriangleVertices (
         const sf::Vector2f& p1,
         const sf::Vector2f& p2,
         const sf::Vector2f& p3,
         const sf::Color& color);
  void draw (
         sf::RenderTarget& target,
         sf::RenderStates states) const override;
private:
  sf::Vector2f mPosition = {};
  std::vector <uint32_t> mLayers;
  std::vector <sf::VertexArray> mShapes;
};
 
} // namespace sgui
 
#include "PrimitiveShapeRender.tpp"