TextReader.h

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// Copyright (c) 2008-2019 OpenShot Studios, LLC
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef OPENSHOT_TEXT_READER_H
#define OPENSHOT_TEXT_READER_H
 
// Require ImageMagick support
#ifdef USE_IMAGEMAGICK
 
#include <memory>
 
#include "ReaderBase.h"
#include "Enums.h"
#include "MagickUtilities.h"
 
namespace openshot
{
    class CacheBase;
    class Frame;
 
    class TextReader : public ReaderBase
    {
    private:
        int width;
        int height;
        int x_offset;
        int y_offset;
        std::string text;
        std::string font;
        double size;
        std::string text_color;
        std::string background_color;
        std::string text_background_color;
        std::shared_ptr<Magick::Image> image;
        MAGICK_DRAWABLE lines;
        bool is_open;
        openshot::GravityType gravity;
 
    public:
 
        TextReader();
 
        TextReader(int width, int height, int x_offset, int y_offset, GravityType gravity, std::string text, std::string font, double size, std::string text_color, std::string background_color);
 
        void SetTextBackgroundColor(std::string color);
 
        void Close() override;
 
        openshot::CacheBase* GetCache() override { return nullptr; };
 
        std::shared_ptr<openshot::Frame> GetFrame(int64_t requested_frame) override;
 
        bool IsOpen() override { return is_open; };
 
        std::string Name() override { return "TextReader"; };
 
        // 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; 
 
        void Open() override;
    };
 
}
 
#endif //USE_IMAGEMAGICK
#endif //OPENSHOT_TEXT_READER_H