ISubjectiveQualityEstimator.h

#pragma once

#include <fsdk/IObject.h>
#include <fsdk/FSDKError.h>
#include <fsdk/Optional.h>
#include <fsdk/Types.h>

namespace fsdk {

#ifndef DOXYGEN_SHOULD_SKIP_THIS
    DECLARE_SMARTPTR(ISubjectiveQualityEstimator);
#endif

    struct SubjectiveQuality {
        float blur;
        float light;
        float darkness;
        float illumination;
        float specularity;
        bool isBlurred;
        bool isHighlighted;
        bool isDark;
        bool isIlluminated;
        bool isNotSpecular;

        inline bool isGood() const noexcept;
    };

    struct ISubjectiveQualityEstimator : IRefCounted {
        virtual Result<FSDKError> estimate(const Image& warp, SubjectiveQuality& quality) const noexcept = 0;

        virtual Result<FSDKError>
        estimate(Span<const Image> warps, Span<SubjectiveQuality> quality) const noexcept = 0;

        virtual Result<FSDKError>
        validate(Span<const Image> warps, Span<Result<FSDKError>> errors) const noexcept = 0;
    };

    /*
        Implementation details.
    */
    bool SubjectiveQuality::isGood() const noexcept {
        if(!isBlurred && !isHighlighted && !isDark && !isIlluminated && !isNotSpecular)
            return true;
        return false;
    }

} // namespace fsdk