82 lines
1.7 KiB
C++
82 lines
1.7 KiB
C++
#pragma once
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#include <memory>
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#include <cstdint>
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#include <gtkmm.h>
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#include "cache.h"
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#include "alignedbuffer.h"
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namespace rtengine
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{
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class CLUT
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{
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public:
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CLUT() = default;
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CLUT(const CLUT& other) = delete;
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CLUT& operator =(const CLUT& other) = delete;
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virtual ~CLUT() = default;
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virtual explicit operator bool() const = 0;
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virtual Glib::ustring getFilename() const = 0;
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virtual Glib::ustring getProfile() const = 0;
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virtual void getRGB(std::size_t line_size, const float* r, const float* g, const float* b, float* out_rgbx) const = 0;
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static void splitClutFilename(
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const Glib::ustring& filename,
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Glib::ustring& name,
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Glib::ustring& extension,
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Glib::ustring& profile_name
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);
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};
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class HaldCLUT
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: public CLUT
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{
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public:
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HaldCLUT();
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~HaldCLUT();
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bool load(const Glib::ustring& filename);
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explicit operator bool() const override;
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Glib::ustring getFilename() const override;
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Glib::ustring getProfile() const override;
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void getRGB(std::size_t line_size, const float* r, const float* g, const float* b, float* out_rgbx) const override;
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private:
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AlignedBuffer<std::uint16_t> clut_image;
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unsigned int clut_level;
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float flevel_minus_one;
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float flevel_minus_two;
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Glib::ustring clut_filename;
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Glib::ustring clut_profile;
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};
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class CLUTStore
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{
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public:
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static CLUTStore& getInstance();
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CLUTStore(const CLUTStore& other) = delete;
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CLUTStore& operator =(const CLUTStore& other) = delete;
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std::shared_ptr<CLUT> getClut(const Glib::ustring& filename);
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void releaseClut(const std::shared_ptr<CLUT>& clut);
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void clearCache();
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private:
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CLUTStore();
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Cache<Glib::ustring, std::shared_ptr<CLUT>> cache;
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};
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}
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