Outline.h

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// Copyright (c) 2008-2019 OpenShot Studios, LLC
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef OPENSHOT_OUTLINE_EFFECT_H
#define OPENSHOT_OUTLINE_EFFECT_H
 
#include <Color.h>
 
#include "../EffectBase.h"
 
#include "../Frame.h"
#include "../Json.h"
#include "../KeyFrame.h"
 
#include <memory>
#include <string>
 
 
namespace openshot
{

    class Outline : public EffectBase
    {
    private:
        void init_effect_details();
 
        // Convert QImage to cv::Mat and vice versa
        // Although Frame class has GetImageCV, but it does not include alpha channel
        // so we need a separate methods which preserve alpha channel
        // Idea from: https://stackoverflow.com/a/78480103
        cv::Mat QImageToBGRACvMat(std::shared_ptr<QImage>& qimage);
        std::shared_ptr<QImage> BGRACvMatToQImage(cv::Mat img);
 
    public:
        Keyframe width; 
        Color color;    

        Outline();

        Outline(Keyframe width, Color color);

        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