Hue.h

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// Copyright (c) 2008-2019 OpenShot Studios, LLC
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef OPENSHOT_HUE_EFFECT_H
#define OPENSHOT_HUE_EFFECT_H
 
#include "../EffectBase.h"
 
#include "../Frame.h"
#include "../Json.h"
#include "../KeyFrame.h"
 
#include <string>
#include <memory>
 
 
namespace openshot
{
    enum HueMaskMode {
        HUE_MASK_LIMIT_TO_AREA = 0,
        HUE_MASK_VARY_STRENGTH = 1
    };
 
    class Hue : public EffectBase
    {
    private:
        void init_effect_details();
 
    protected:
        bool UseCustomMaskBlend(int64_t frame_number) const override;
        void ApplyCustomMaskBlend(std::shared_ptr<QImage> original_image, std::shared_ptr<QImage> effected_image,
                              std::shared_ptr<QImage> mask_image, int64_t frame_number) const override;
 
    public:
        Keyframe hue;   
        int mask_mode;  
 
        Hue();
 
        Hue(Keyframe hue);
 
        std::shared_ptr<openshot::Frame> GetFrame(int64_t frame_number) override { return GetFrame(std::make_shared<openshot::Frame>(), frame_number); }
 
        std::shared_ptr<openshot::Frame> GetFrame(std::shared_ptr<openshot::Frame> frame, int64_t frame_number) override;
 
        // Get and Set JSON methods
        std::string Json() const override; 
        void SetJson(const std::string value) override; 
        Json::Value JsonValue() const override; 
        void SetJsonValue(const Json::Value root) override; 
 
        std::string PropertiesJSON(int64_t requested_frame) const override;
    };
 
}
 
#endif