ClippingLayers.h

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#pragma once
 
#include <vector>
#include <cstdint>
#include <SFML/Graphics/Rect.hpp>
#include <SFML/Graphics/View.hpp>
 
namespace sgui 
{

class ClippingLayers
{
public:
  uint32_t initialize ();
  uint32_t setCurrentLayer (const sf::FloatRect& mask);
  uint32_t activeLayer () const;
  void moveToLayer (const uint32_t layerId);
  void disable ();
  bool isClipped (const sf::Vector2f& position) const;
  const sf::View& at (const uint32_t layerId) const;
public:
  sf::View baseView = {}; 
private:
  // clipping layer
  uint32_t mActiveLayer = 0;
  std::vector <sf::View> mLayers;
};
 
} // namespace sgui