59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_ABSTRACTATLAS_HPP
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#define NAZARA_ABSTRACTATLAS_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Core/SparsePtr.hpp>
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#include <Nazara/Math/Rect.hpp>
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#include <Nazara/Utility/Enums.hpp>
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#include <unordered_map>
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class NzAbstractImage;
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class NzImage;
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class NAZARA_API NzAbstractAtlas
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{
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public:
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class Listener;
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NzAbstractAtlas();
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virtual ~NzAbstractAtlas();
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void AddListener(Listener* font, void* userdata = nullptr) const;
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virtual void Clear() = 0;
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virtual void Free(NzSparsePtr<const NzRectui> rects, NzSparsePtr<unsigned int> layers, unsigned int count) = 0;
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virtual NzAbstractImage* GetLayer(unsigned int layerIndex) const = 0;
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virtual unsigned int GetLayerCount() const = 0;
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virtual nzUInt32 GetStorage() const = 0;
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virtual bool Insert(const NzImage& image, NzRectui* rect, bool* flipped, unsigned int* layerIndex) = 0;
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void RemoveListener(Listener* font) const;
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class NAZARA_API Listener
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{
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public:
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Listener() = default;
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virtual ~Listener();
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virtual bool OnAtlasCleared(const NzAbstractAtlas* atlas, void* userdata);
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virtual bool OnAtlasLayerChange(const NzAbstractAtlas* atlas, NzAbstractImage* oldLayer, NzAbstractImage* newLayer, void* userdata);
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virtual void OnAtlasReleased(const NzAbstractAtlas* atlas, void* userdata);
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};
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protected:
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void NotifyCleared();
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void NotifyLayerChange(NzAbstractImage* oldLayer, NzAbstractImage* newLayer);
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private:
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mutable std::unordered_map<Listener*, void*> m_listeners;
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bool m_listenersLocked;
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};
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#endif // NAZARA_ABSTRACTATLAS_HPP
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