annotations/Azaion.Common/Constants.cs

using System.Windows;
using Azaion.Common.DTO;

namespace Azaion.Common;

public class Constants
{
    #region DefaultConfig

    public const string CONFIG_PATH = "config.json";

    public const string DEFAULT_VIDEO_DIR = "video";
    public const string DEFAULT_LABELS_DIR = "labels";
    public const string DEFAULT_IMAGES_DIR = "images";
    public const string DEFAULT_RESULTS_DIR = "results";
    public const string DEFAULT_THUMBNAILS_DIR = "thumbnails";

    public const int DEFAULT_THUMBNAIL_BORDER = 10;
    public const double DEFAULT_FRAME_RECOGNITION_SECONDS = 2;
    public const double TRACKING_DISTANCE_CONFIDENCE = 0.15;
    public const double TRACKING_PROBABILITY_INCREASE = 15;
    public const double TRACKING_INTERSECTION_THRESHOLD = 0.8;

    public static readonly Size DefaultWindowSize = new(1280, 720);
    public static readonly Point DefaultWindowLocation = new(100, 100);
    public static readonly Size DefaultThumbnailSize = new(240, 135);

    #endregion

    #region Thumbnails

    public const string THUMBNAIL_PREFIX = "_thumb";
    public const string THUMBNAILS_CACHE_FILE = "thumbnails.cache";

    #endregion

    public static readonly List<AnnotationClass> DefaultAnnotationClasses =
    [
        new() { Id = 0,  Name = "Броньована техніка", ShortName = "Бронь"       },
        new() { Id = 1,  Name = "Вантажівка",         ShortName = "Вантаж"      },
        new() { Id = 2,  Name = "Машина легкова",     ShortName = "Машина"      },
        new() { Id = 3,  Name = "Артилерія",          ShortName = "Арта"        },
        new() { Id = 4,  Name = "Тінь від техніки",   ShortName = "Тінь"        },
        new() { Id = 5,  Name = "Окопи",              ShortName = "Окопи"       },
        new() { Id = 6,  Name = "Військовий",         ShortName = "Військов"    },
        new() { Id = 7,  Name = "Накати",             ShortName = "Накати"      },
        new() { Id = 8,  Name = "Танк з захистом",    ShortName = "Танк захист" },
        new() { Id = 9,  Name = "Дим",                ShortName = "Дим"         },
        new() { Id = 10, Name = "Літак",              ShortName = "Літак"       }
    ];

    public static readonly List<string> DefaultVideoFormats = ["mp4", "mov", "avi"];
    public static readonly List<string> DefaultImageFormats = ["jpg", "jpeg", "png", "bmp"];

    public static TimeSpan? GetTime(string imagePath)
    {
        var timeStr = imagePath.Split("_").LastOrDefault();
        if (string.IsNullOrEmpty(timeStr) || timeStr.Length < 6)
            return null;

        //For some reason, TimeSpan.ParseExact doesn't work on every platform.
        if (!int.TryParse(timeStr[0..1], out var hours))
            return null;
        if (!int.TryParse(timeStr[1..3], out var minutes))
            return null;
        if (!int.TryParse(timeStr[3..5], out var seconds))
            return null;
        if (!int.TryParse(timeStr[5..6], out var milliseconds))
            return null;
        return new TimeSpan(0, hours, minutes, seconds, milliseconds * 100);
    }

}