tb_graphic_list.hpp

 
#ifndef TurtleBrains_GraphicList_hpp
#define TurtleBrains_GraphicList_hpp
 
#include <turtle_brains/graphics/tb_graphic.hpp>
#include <turtle_brains/core/tb_hybrid_owned_pointer.hpp>
 
#include <list>
 
namespace TurtleBrains::Graphics
{
 
    class GraphicList : public Graphic, public tbCore::Noncopyable
    {
    public:
        GraphicList(void);
 
        virtual ~GraphicList(void);
 
        void ClearGraphics(void);
 
        void AddGraphic(Graphic* graphic);
 
        void AddGraphic(std::unique_ptr<Graphic>&& graphic);
 
        void AddGraphic(Graphic& graphic);
 
        void RemoveGraphic(Graphic* graphic);
 
        void SetOrigin(const AnchorLocation& anchor, const float offsetX, const float offsetY) { Graphic::SetOrigin(anchor, offsetX, offsetY); }
 
        void SetOrigin(const AnchorLocation& anchor, const tbMath::Vector2& offset = tbMath::Vector2::Zero()) { Graphic::SetOrigin(anchor, offset); }
 
        void SetOrigin(const float originX, const float originY) { Graphic::SetOrigin(originX, originY); }
 
        void SetOrigin(const tbMath::Vector2& origin) { Graphic::SetOrigin(origin); }
 
        virtual void SetColor(const tbGraphics::Color& newColor) override;
 
        virtual PixelSpace GetPixelWidth(void) const override { return mPixelWidth; }
        virtual PixelSpace GetPixelHeight(void) const override { return mPixelHeight; }
 
        void RecalculateWidthAndHeight(void);
 
    protected:
        virtual void OnUpdate(const float deltaTime) override;
 
        virtual void OnRender(void) const override;
 
    private:
        using HybridGraphicPtr = tbCore::HybridOwnedPointer<Graphic>;
        using GraphicContainer = std::list<HybridGraphicPtr>;
 
        // reference-reference is also known as r-value.
        void ReallyAddGraphic(HybridGraphicPtr&& graphic);
 
        void SetScroll(const float scroll) { SetScroll(scroll, scroll); }
        void SetScroll(const float scrollX, const float scrollY)
        {
            for (HybridGraphicPtr& graphic : mGraphics)
            {
                graphic->SetScroll(scrollX, scrollY);
            }
            Graphic::SetScroll(0.0f, 0.0f);
        }
 
        GraphicContainer mGraphics;
 
        PixelSpace mPixelWidth;
        PixelSpace mPixelHeight;
    };
 
}; /* namespace TurtleBrains::Graphics */
 
namespace tbGraphics = TurtleBrains::Graphics;
 
#endif /* TurtleBrains_Graphic_hpp */