Vyacheslav Ivanov
5dd7a15c09
It's better to use '= default;' syntax instead of empty constructor and destructor body. Using '= default;' can help the compiler generate more optimal code. Reported by: PVS-Studio Signed-off-by: Vyacheslav Ivanov <islavaivanov76@gmail.com>
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#ifndef GRAPHICS_CORE_ATLAS_HPP_
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#define GRAPHICS_CORE_ATLAS_HPP_
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#include <set>
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#include <string>
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#include <memory>
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#include <vector>
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#include <optional>
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#include <unordered_map>
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#include "../../maths/UVRegion.hpp"
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#include "../../typedefs.hpp"
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class ImageData;
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class Texture;
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class Atlas {
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std::unique_ptr<Texture> texture;
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std::unique_ptr<ImageData> image;
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std::unordered_map<std::string, UVRegion> regions;
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public:
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/// @param image atlas raster
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/// @param regions atlas regions
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/// @param prepare generate texture (.prepare())
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Atlas(
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std::unique_ptr<ImageData> image,
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std::unordered_map<std::string, UVRegion> regions,
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bool prepare
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);
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~Atlas();
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void prepare();
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bool has(const std::string& name) const;
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const UVRegion& get(const std::string& name) const;
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std::optional<UVRegion> getIf(const std::string& name) const;
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Texture* getTexture() const;
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ImageData* getImage() const;
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};
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struct atlasentry {
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std::string name;
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std::shared_ptr<ImageData> image;
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};
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class AtlasBuilder {
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std::vector<atlasentry> entries;
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std::set<std::string> names;
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public:
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AtlasBuilder() = default;
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void add(const std::string& name, std::unique_ptr<ImageData> image);
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bool has(const std::string& name) const;
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const std::set<std::string>& getNames() { return names; };
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/// @brief Build atlas from all added images
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/// @param extrusion textures extrusion pixels
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/// (greather is less mip-mapping artifacts)
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/// @param prepare generate atlas texture (calls .prepare())
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/// @param maxResolution max atlas resolution
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std::unique_ptr<Atlas> build(uint extrusion, bool prepare=true, uint maxResolution=0);
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};
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#endif // GRAPHICS_CORE_ATLAS_HPP_
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