Font.h

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#pragma once
 
#include "Base.h"
#include "Image.h"
#include "../Graphics/Font.h"
#include "../Utils/Assert.h"
 
namespace Gorgon { namespace Resource {
    class File;
    class Reader;
 
    class Font : public Base {
    public:
        Font() { }
        
        virtual ~Font() {
            if(isowner)
                delete data;
        }        
        
        Font(Graphics::GlyphRenderer &renderer);
        
        Font(const Font &) = delete;
        
        //todo duplicate
 
        virtual GID::Type GetGID() const override { return GID::Font; }
        
        virtual void Prepare() override;
        
        virtual void Discard() override;
        
        bool HasRenderer() const {
            return data != nullptr;
        }
        
        Graphics::GlyphRenderer &GetRenderer() const {
            ASSERT(data, "Renderer is not set");
            
            return *data;
        }
        
        void RemoveRenderer() {
            if(isowner)
                delete data;
            
            data = nullptr;
        }
        
        void SetRenderer(Graphics::GlyphRenderer &renderer);
        
        void AssumeRenderer(Graphics::GlyphRenderer &renderer) {
            SetRenderer(renderer);
            isowner = true;
        }
        
        Graphics::GlyphRenderer &Release() {
            auto tmp = data;
            data = nullptr;
            isowner = false;
            
            return *tmp;
        }
        
        static Font *LoadResource(std::weak_ptr<File> file, std::shared_ptr<Reader> reader, unsigned long size);
        
    protected:        
        void save(Writer &writer) const override;
 
        Graphics::GlyphRenderer *data = nullptr;
 
        Containers::Collection<Image> tobeprepared;
        
        bool isowner = false;
    };
 
} }