Added .rip command again :^)

NadekoBot.Core/Common/Replacements/ReplacementBuilder.cs

@@ -6,6 +6,8 @@ using Discord;
 using Discord.Commands;
 using Discord.WebSocket;
 using NadekoBot.Extensions;
+using NadekoBot.Modules.Music.Services;
+using NadekoBot.Modules.Administration.Services;
 
 namespace NadekoBot.Common.Replacements
 {
@@ -44,19 +46,19 @@ namespace NadekoBot.Common.Replacements
 
             _reps.TryAdd("%sid%", () => g == null ? "DM" : g.Id.ToString());
             _reps.TryAdd("%server%", () => g == null ? "DM" : g.Name);
-            //_reps.TryAdd("%server_time%", () =>
+            _reps.TryAdd("%server_time%", () =>
-            //{
+            {
-            //    TimeZoneInfo to = TimeZoneInfo.Local;
+                TimeZoneInfo to = TimeZoneInfo.Local;
-            //    if (g != null)
+                if (g != null)
-            //    {
+                {
-            //        if (GuildTimezoneService.AllServices.TryGetValue(client.CurrentUser.Id, out var tz))
+                    if (GuildTimezoneService.AllServices.TryGetValue(client.CurrentUser.Id, out var tz))
-            //            to = tz.GetTimeZoneOrDefault(g.Id) ?? TimeZoneInfo.Local;
+                        to = tz.GetTimeZoneOrDefault(g.Id) ?? TimeZoneInfo.Local;
-            //    }
+                }
 
-            //    return TimeZoneInfo.ConvertTime(DateTime.UtcNow,
+                return TimeZoneInfo.ConvertTime(DateTime.UtcNow,
-            //        TimeZoneInfo.Utc,
+                    TimeZoneInfo.Utc,
-            //        to).ToString("HH:mm ") + to.StandardName.GetInitials();
+                    to).ToString("HH:mm ") + to.StandardName.GetInitials();
-            //});
+            });
             return this;
         }
 
@@ -86,26 +88,26 @@ namespace NadekoBot.Common.Replacements
             return this;
         }
 
-        //public ReplacementBuilder WithMusic(MusicService ms)
+        public ReplacementBuilder WithMusic(MusicService ms)
-        //{
+        {
-        //    _reps.TryAdd("%playing%", () =>
+            _reps.TryAdd("%playing%", () =>
-        //    {
+            {
-        //        var cnt = ms.MusicPlayers.Count(kvp => kvp.Value.Current.Current != null);
+                var cnt = ms.MusicPlayers.Count(kvp => kvp.Value.Current.Current != null);
-        //        if (cnt != 1) return cnt.ToString();
+                if (cnt != 1) return cnt.ToString();
-        //        try
+                try
-        //        {
+                {
-        //            var mp = ms.MusicPlayers.FirstOrDefault();
+                    var mp = ms.MusicPlayers.FirstOrDefault();
-        //            var title =  mp.Value?.Current.Current?.Title;
+                    var title = mp.Value?.Current.Current?.Title;
-        //            return title ?? "No songs";
+                    return title ?? "No songs";
-        //        }
+                }
-        //        catch
+                catch
-        //        {
+                {
-        //            return "error";
+                    return "error";
-        //        }
+                }
-        //    });
+            });
-        //    _reps.TryAdd("%queued%", () => ms.MusicPlayers.Sum(kvp => kvp.Value.QueueArray().Songs.Length).ToString());
+            _reps.TryAdd("%queued%", () => ms.MusicPlayers.Sum(kvp => kvp.Value.QueueArray().Songs.Length).ToString());
-        //    return this;
+            return this;
-        //}
+        }
 
         public ReplacementBuilder WithRngRegex()
         {

NadekoBot.Core/Modules/Administration/Services/PlayingRotateService.cs

@@ -6,6 +6,7 @@ using NadekoBot.Common.Replacements;
 using NadekoBot.Core.Services;
 using NadekoBot.Core.Services.Database.Models;
 using NLog;
+using NadekoBot.Modules.Music.Services;
 
 namespace NadekoBot.Modules.Administration.Services
 {
@@ -27,7 +28,7 @@ namespace NadekoBot.Modules.Administration.Services
         }
 
         public PlayingRotateService(DiscordSocketClient client, IBotConfigProvider bcp,
-            DbService db, IDataCache cache, NadekoBot bot)
+            DbService db, IDataCache cache, NadekoBot bot, MusicService music)
         {
             _client = client;
             _bcp = bcp;
@@ -41,8 +42,7 @@ namespace NadekoBot.Modules.Administration.Services
                 _rep = new ReplacementBuilder()
                     .WithClient(client)
                     .WithStats(client)
-                    //todo how to add music to replacement builder?
+                    .WithMusic(music)
-                    //.WithMusic(music)
                     .Build();
 
                 _t = new Timer(async (objState) =>

NadekoBot.Core/Modules/Searches/Searches.cs

@@ -36,6 +36,22 @@ namespace NadekoBot.Modules.Searches
             _google = google;
         }
 
+        //for anonymasen :^)
+        [NadekoCommand, Usage, Description, Aliases]
+        public async Task Rip([Remainder]IGuildUser usr)
+        {
+            using (var pic = await _service.GetRipPictureAsync(usr.Nickname ?? usr.Username, usr.RealAvatarUrl()))
+            using (var picStream = pic.ToStream())
+            {
+                await Context.Channel.SendFileAsync(
+                    picStream,
+                    "rip.png",
+                    $"Rip {Format.Bold(usr.ToString())} \n\t- " + 
+                        Format.Italics(Context.User.ToString()))
+                    .ConfigureAwait(false);
+            }
+        }
+
         [NadekoCommand, Usage, Description, Aliases]
         [RequireContext(ContextType.Guild)]
         [RequireUserPermission(GuildPermission.ManageMessages)]

NadekoBot.Core/Modules/Searches/Services/SearchesService.cs

@@ -18,6 +18,11 @@ using Newtonsoft.Json.Linq;
 using AngleSharp;
 using System.Threading;
 using NadekoBot.Modules.Searches.Exceptions;
+using ImageSharp;
+using Image = ImageSharp.Image;
+using SixLabors.Primitives;
+using SixLabors.Fonts;
+using NadekoBot.Core.Services.Impl;
 
 namespace NadekoBot.Modules.Searches.Services
 {
@@ -29,11 +34,16 @@ namespace NadekoBot.Modules.Searches.Services
         private readonly IGoogleApiService _google;
         private readonly DbService _db;
         private readonly Logger _log;
+        private readonly IImagesService _imgs;
+        private readonly IDataCache _cache;
+        private readonly FontProvider _fonts;
+        private readonly HttpClient http;
 
         public ConcurrentDictionary<ulong, bool> TranslatedChannels { get; } = new ConcurrentDictionary<ulong, bool>();
         public ConcurrentDictionary<UserChannelPair, string> UserLanguages { get; } = new ConcurrentDictionary<UserChannelPair, string>();
         
         public readonly string PokemonAbilitiesFile = "data/pokemon/pokemon_abilities7.json";
+
         public readonly string PokemonListFile = "data/pokemon/pokemon_list7.json";
         public Dictionary<string, SearchPokemon> Pokemons { get; } = new Dictionary<string, SearchPokemon>();
         public Dictionary<string, SearchPokemonAbility> PokemonAbilities { get; } = new Dictionary<string, SearchPokemonAbility>();
@@ -50,7 +60,8 @@ namespace NadekoBot.Modules.Searches.Services
         private readonly ConcurrentDictionary<ulong, HashSet<string>> _blacklistedTags = new ConcurrentDictionary<ulong, HashSet<string>>();
 
         public SearchesService(DiscordSocketClient client, IGoogleApiService google, 
-            DbService db, NadekoBot bot)
+            DbService db, NadekoBot bot, IImagesService imgs, IDataCache cache,
+            FontProvider fonts)
         {
             Http = new HttpClient();
             Http.AddFakeHeaders();
@@ -58,6 +69,10 @@ namespace NadekoBot.Modules.Searches.Services
             _google = google;
             _db = db;
             _log = LogManager.GetCurrentClassLogger();
+            _imgs = imgs;
+            _cache = cache;
+            _fonts = fonts;
+            http = new HttpClient();
 
             _blacklistedTags = new ConcurrentDictionary<ulong, HashSet<string>>(
                 bot.AllGuildConfigs.ToDictionary(
@@ -126,6 +141,61 @@ namespace NadekoBot.Modules.Searches.Services
                 _log.Warn("data/magicitems.json is missing. Magic items are not loaded.");
         }
 
+        public async Task<Image<Rgba32>> GetRipPictureAsync(string text, string imgUrl)
+        {
+            var (succ, data) = await _cache.TryGetImageDataAsync(imgUrl);
+            if (!succ)
+            {
+                using (var temp = await http.GetAsync(imgUrl, HttpCompletionOption.ResponseHeadersRead))
+                {
+                    if (temp.Content.Headers.ContentType.MediaType != "image/png"
+                        && temp.Content.Headers.ContentType.MediaType != "image/jpeg"
+                        && temp.Content.Headers.ContentType.MediaType != "image/gif")
+                        data = null;
+                    else
+                    {
+                        using (var tempDraw = ImageSharp.Image.Load(await temp.Content.ReadAsStreamAsync()).Resize(69, 70))
+                        {
+                            tempDraw.ApplyRoundedCorners(35);
+                            data = tempDraw.ToStream().ToArray();
+                        }
+                    }
+                }
+
+                await _cache.SetImageDataAsync(imgUrl, data);
+            }
+            var bg = ImageSharp.Image.Load(_imgs.Rip.ToArray());
+
+            //avatar 82, 139
+            if (data != null)
+            {
+                var avatar = Image.Load(data).Resize(85, 85);
+                bg.DrawImage(avatar, 
+                    default, 
+                    new Point(82, 139),
+                    GraphicsOptions.Default);
+            }
+            //text 63, 241
+            bg.DrawText(text, 
+                _fonts.RipNameFont, 
+                Rgba32.Black, 
+                new PointF(25, 225),
+                new ImageSharp.Drawing.TextGraphicsOptions()
+                {
+                    HorizontalAlignment = HorizontalAlignment.Center,
+                    WrapTextWidth = 190,
+                });
+
+            //flowa
+            var flowers = Image.Load(_imgs.FlowerCircle.ToArray());
+            bg.DrawImage(flowers,
+                default,
+                new Point(0, 0),
+                GraphicsOptions.Default);
+
+            return bg;
+        }
+
         public async Task<string> Translate(string langs, string text = null)
         {
             var langarr = langs.ToLowerInvariant().Split('>');
@@ -212,7 +282,7 @@ namespace NadekoBot.Modules.Searches.Services
 
         public async Task<(string Text, string BaseUri)> GetRandomJoke()
         {
-            var config = Configuration.Default.WithDefaultLoader();
+            var config = AngleSharp.Configuration.Default.WithDefaultLoader();
             var document = await BrowsingContext.New(config).OpenAsync("http://www.goodbadjokes.com/random");
 
             var html = document.QuerySelector(".post > .joke-content");

NadekoBot.Core/Modules/Xp/Services/XpService.cs

@@ -37,7 +37,7 @@ namespace NadekoBot.Modules.Xp.Services
         private readonly Logger _log;
         private readonly NadekoStrings _strings;
         private readonly IDataCache _cache;
-        private readonly FontCollection _fonts = new FontCollection();
+        private readonly FontProvider _fonts;
         public const int XP_REQUIRED_LVL_1 = 36;
 
         private readonly ConcurrentDictionary<ulong, ConcurrentHashSet<ulong>> _excludedRoles
@@ -59,17 +59,11 @@ namespace NadekoBot.Modules.Xp.Services
         private readonly CancellationTokenSource _clearRewardTimerTokenSource;
         private readonly Task _clearRewardTimer;
         private readonly HttpClient http = new HttpClient();
-        private FontFamily _usernameFontFamily;
-        private FontFamily _clubFontFamily;
-        private Font _levelFont;
-        private Font _xpFont;
-        private Font _awardedFont;
-        private Font _rankFont;
-        private Font _timeFont;
 
         public XpService(CommandHandler cmd, IBotConfigProvider bc,
             NadekoBot bot, IImagesService images,
-            DbService db, NadekoStrings strings, IDataCache cache)
+            DbService db, NadekoStrings strings, IDataCache cache,
+            FontProvider fonts)
         {
             _db = db;
             _cmd = cmd;
@@ -78,6 +72,7 @@ namespace NadekoBot.Modules.Xp.Services
             _log = LogManager.GetCurrentClassLogger();
             _strings = strings;
             _cache = cache;
+            _fonts = fonts;
 
             //load settings
             var allGuildConfigs = bot.AllGuildConfigs.Where(x => x.XpSettings != null);
@@ -105,16 +100,6 @@ namespace NadekoBot.Modules.Xp.Services
                 allGuildConfigs.Where(x => x.XpSettings.ServerExcluded)
                                .Select(x => x.GuildId));
 
-            //todo 60 move to font provider or somethign
-            _fonts = new FontCollection();
-            if (Directory.Exists("data/fonts"))
-                foreach (var file in Directory.GetFiles("data/fonts"))
-                {
-                    _fonts.Install(file);
-                }
-
-            InitializeFonts();
-
             _cmd.OnMessageNoTrigger += _cmd_OnMessageNoTrigger;
 
             _updateXpTimer = new Timer(async _ =>
@@ -547,16 +532,6 @@ namespace NadekoBot.Modules.Xp.Services
             return GenerateImageAsync(GetUserStats(user));
         }
 
-        private void InitializeFonts()
-        {
-            _usernameFontFamily = _fonts.Find("Whitney-Bold");
-            _clubFontFamily = _fonts.Find("Whitney-Bold");
-            _levelFont = _fonts.Find("Whitney-Bold").CreateFont(45);
-            _xpFont = _fonts.Find("Whitney-Bold").CreateFont(50);
-            _awardedFont = _fonts.Find("Whitney-Bold").CreateFont(25);
-            _rankFont = _fonts.Find("Uni Sans Thin CAPS").CreateFont(30);
-            _timeFont = _fonts.Find("Whitney-Bold").CreateFont(20);
-        }
 
         public Task<MemoryStream> GenerateImageAsync(FullUserStats stats) => Task.Run(async () =>
         {
@@ -564,7 +539,7 @@ namespace NadekoBot.Modules.Xp.Services
             {
 
                 var username = stats.User.ToString();
-                var usernameFont = _usernameFontFamily
+                var usernameFont = _fonts.UsernameFontFamily
                     .CreateFont(username.Length <= 6
                         ? 50
                         : 50 - username.Length);
@@ -574,17 +549,17 @@ namespace NadekoBot.Modules.Xp.Services
 
                 // level
 
-                img.DrawText(stats.Global.Level.ToString(), _levelFont, Rgba32.White,
+                img.DrawText(stats.Global.Level.ToString(), _fonts.LevelFont, Rgba32.White,
                     new PointF(47, 137));
 
-                img.DrawText(stats.Guild.Level.ToString(), _levelFont, Rgba32.White,
+                img.DrawText(stats.Guild.Level.ToString(), _fonts.LevelFont, Rgba32.White,
                     new PointF(47, 285));
 
                 //club name
 
                 var clubName = stats.User.Club?.ToString() ?? "-";
 
-                var clubFont = _clubFontFamily
+                var clubFont = _fonts.ClubFontFamily
                     .CreateFont(clubName.Length <= 8
                         ? 35
                         : 35 - (clubName.Length / 2));
@@ -607,7 +582,7 @@ namespace NadekoBot.Modules.Xp.Services
                     new PointF(286 + (450 * (global.LevelXp / (float)global.RequiredXp)), 235),
                     new PointF(286, 235),
                 });
-                img.DrawText($"{global.LevelXp}/{global.RequiredXp}", _xpFont, brush, pen,
+                img.DrawText($"{global.LevelXp}/{global.RequiredXp}", _fonts.XpFont, brush, pen,
                     new PointF(430, 130));
 
                 img.FillPolygon(xpBgBrush, new[] {
@@ -616,7 +591,7 @@ namespace NadekoBot.Modules.Xp.Services
                     new PointF(247 + (450 * (guild.LevelXp / (float)guild.RequiredXp)), 379),
                     new PointF(247, 379),
                 });
-                img.DrawText($"{guild.LevelXp}/{guild.RequiredXp}", _xpFont, brush, pen,
+                img.DrawText($"{guild.LevelXp}/{guild.RequiredXp}", _fonts.XpFont, brush, pen,
                     new PointF(400, 270));
 
                 if (stats.FullGuildStats.AwardedXp != 0)
@@ -624,16 +599,16 @@ namespace NadekoBot.Modules.Xp.Services
                     var sign = stats.FullGuildStats.AwardedXp > 0
                         ? "+ "
                         : "";
-                    img.DrawText($"({sign}{stats.FullGuildStats.AwardedXp})", _awardedFont, brush, pen,
+                    img.DrawText($"({sign}{stats.FullGuildStats.AwardedXp})", _fonts.AwardedFont, brush, pen,
                         new PointF(445 - (Math.Max(0, (stats.FullGuildStats.AwardedXp.ToString().Length - 2)) * 5), 335));
                 }
 
                 //ranking
 
-                img.DrawText(stats.GlobalRanking.ToString(), _rankFont, Rgba32.White,
+                img.DrawText(stats.GlobalRanking.ToString(), _fonts.RankFont, Rgba32.White,
                     new PointF(148, 170));
 
-                img.DrawText(stats.GuildRanking.ToString(), _rankFont, Rgba32.White,
+                img.DrawText(stats.GuildRanking.ToString(), _fonts.RankFont, Rgba32.White,
                     new PointF(148, 317));
 
                 //time on this level
@@ -644,10 +619,10 @@ namespace NadekoBot.Modules.Xp.Services
                     return $"{offset.Days}d{offset.Hours}h{offset.Minutes}m";
                 }
 
-                img.DrawText(GetTimeSpent(stats.User.LastLevelUp), _timeFont, Rgba32.White,
+                img.DrawText(GetTimeSpent(stats.User.LastLevelUp), _fonts.TimeFont, Rgba32.White,
                     new PointF(50, 197));
 
-                img.DrawText(GetTimeSpent(stats.FullGuildStats.LastLevelUp), _timeFont, Rgba32.White,
+                img.DrawText(GetTimeSpent(stats.FullGuildStats.LastLevelUp), _fonts.TimeFont, Rgba32.White,
                     new PointF(50, 344));
 
                 //avatar
@@ -664,7 +639,7 @@ namespace NadekoBot.Modules.Xp.Services
                             using (var temp = await http.GetStreamAsync(avatarUrl))
                             using (var tempDraw = Image.Load(temp).Resize(69, 70))
                             {
-                                ApplyRoundedCorners(tempDraw, 35);
+                                tempDraw.ApplyRoundedCorners(35);
                                 data = tempDraw.ToStream().ToArray();
                             }
 
@@ -710,7 +685,7 @@ namespace NadekoBot.Modules.Xp.Services
                                 return;
                             using (var tempDraw = Image.Load(await temp.Content.ReadAsStreamAsync()).Resize(45, 45))
                             {
-                                ApplyRoundedCorners(tempDraw, 22.5f);
+                                tempDraw.ApplyRoundedCorners(22.5f);
                                 data = tempDraw.ToStream().ToArray();
                             }
                         }
@@ -731,40 +706,6 @@ namespace NadekoBot.Modules.Xp.Services
             }
         }
 
-        // https://github.com/SixLabors/ImageSharp/tree/master/samples/AvatarWithRoundedCorner
-        public static void ApplyRoundedCorners(Image<Rgba32> img, float cornerRadius)
-        {
-            var corners = BuildCorners(img.Width, img.Height, cornerRadius);
-            // now we have our corners time to draw them
-            img.Fill(Rgba32.Transparent, corners, new GraphicsOptions(true)
-            {
-                BlenderMode = ImageSharp.PixelFormats.PixelBlenderMode.Src // enforces that any part of this shape that has color is punched out of the background
-            });
-        }
-
-        public static IPathCollection BuildCorners(int imageWidth, int imageHeight, float cornerRadius)
-        {
-            // first create a square
-            var rect = new RectangularePolygon(-0.5f, -0.5f, cornerRadius, cornerRadius);
-
-            // then cut out of the square a circle so we are left with a corner
-            var cornerToptLeft = rect.Clip(new EllipsePolygon(cornerRadius - 0.5f, cornerRadius - 0.5f, cornerRadius));
-
-            // corner is now a corner shape positions top left
-            //lets make 3 more positioned correctly, we can do that by translating the orgional around the center of the image
-            var center = new Vector2(imageWidth / 2, imageHeight / 2);
-
-            float rightPos = imageWidth - cornerToptLeft.Bounds.Width + 1;
-            float bottomPos = imageHeight - cornerToptLeft.Bounds.Height + 1;
-
-            // move it across the width of the image - the width of the shape
-            var cornerTopRight = cornerToptLeft.RotateDegree(90).Translate(rightPos, 0);
-            var cornerBottomLeft = cornerToptLeft.RotateDegree(-90).Translate(0, bottomPos);
-            var cornerBottomRight = cornerToptLeft.RotateDegree(180).Translate(rightPos, bottomPos);
-
-            return new PathCollection(cornerToptLeft, cornerBottomLeft, cornerTopRight, cornerBottomRight);
-        }
-
         public Task Unload()
         {
             _cmd.OnMessageNoTrigger -= _cmd_OnMessageNoTrigger;

NadekoBot.Core/Services/IImagesService.cs

@@ -19,6 +19,9 @@ namespace NadekoBot.Core.Services
 
         ImmutableArray<byte> XpCard { get; }
 
+        ImmutableArray<byte> Rip { get; }
+        ImmutableArray<byte> FlowerCircle { get; }
+
         void Reload();
     }
 }

NadekoBot.Core/Services/Impl/FontProvider.cs

@@ -0,0 +1,38 @@
+using SixLabors.Fonts;
+using System.IO;
+
+namespace NadekoBot.Core.Services.Impl
+{
+    public class FontProvider : INService
+    {
+        private readonly FontCollection _fonts;
+
+        public FontProvider()
+        {
+            _fonts = new FontCollection();
+            if (Directory.Exists("data/fonts"))
+                foreach (var file in Directory.GetFiles("data/fonts"))
+                {
+                    _fonts.Install(file);
+                }
+
+            UsernameFontFamily = _fonts.Find("Whitney-Bold");
+            ClubFontFamily = _fonts.Find("Whitney-Bold");
+            LevelFont = _fonts.Find("Whitney-Bold").CreateFont(45);
+            XpFont = _fonts.Find("Whitney-Bold").CreateFont(50);
+            AwardedFont = _fonts.Find("Whitney-Bold").CreateFont(25);
+            RankFont = _fonts.Find("Uni Sans Thin CAPS").CreateFont(30);
+            TimeFont = _fonts.Find("Whitney-Bold").CreateFont(20);
+            RipNameFont = _fonts.Find("Whitney-Bold").CreateFont(20);
+        }
+
+        public Font LevelFont { get; }
+        public Font XpFont { get; }
+        public Font AwardedFont { get; }
+        public Font RankFont { get; }
+        public Font TimeFont { get; }
+        public FontFamily UsernameFontFamily { get; }
+        public FontFamily ClubFontFamily { get; }
+        public Font RipNameFont { get; }
+    }
+}

NadekoBot.Core/Services/Impl/ImagesService.cs

@@ -27,6 +27,9 @@ namespace NadekoBot.Core.Services.Impl
 
         private const string _xpCardPath = _basePath + "xp/xp.png";
 
+        private const string _ripPath = _basePath + "rip/rip.png";
+        private const string _ripFlowersPath = _basePath + "rip/rose_overlay.png";
+
 
         public ImmutableArray<byte> Heads { get; private set; }
         public ImmutableArray<byte> Tails { get; private set; }
@@ -44,6 +47,9 @@ namespace NadekoBot.Core.Services.Impl
 
         public ImmutableArray<byte> XpCard { get; private set; }
 
+        public ImmutableArray<byte> Rip { get; private set; }
+        public ImmutableArray<byte> FlowerCircle { get; private set; }
+
         public ImagesService()
         {
             _log = LogManager.GetCurrentClassLogger();
@@ -82,6 +88,9 @@ namespace NadekoBot.Core.Services.Impl
                 RategirlDot = File.ReadAllBytes(_rategirlDot).ToImmutableArray();
 
                 XpCard = File.ReadAllBytes(_xpCardPath).ToImmutableArray();
+
+                Rip = File.ReadAllBytes(_ripPath).ToImmutableArray();
+                FlowerCircle = File.ReadAllBytes(_ripFlowersPath).ToImmutableArray();
             }
             catch (Exception ex)
             {

NadekoBot.Core/_Extensions/Extensions.cs

@@ -17,11 +17,47 @@ using NadekoBot.Common.Collections;
 using SixLabors.Primitives;
 using NadekoBot.Common;
 using NadekoBot.Core.Services;
+using SixLabors.Shapes;
+using System.Numerics;
 
 namespace NadekoBot.Extensions
 {
     public static class Extensions
     {
+        // https://github.com/SixLabors/ImageSharp/tree/master/samples/AvatarWithRoundedCorner
+        public static void ApplyRoundedCorners(this Image<Rgba32> img, float cornerRadius)
+        {
+            var corners = BuildCorners(img.Width, img.Height, cornerRadius);
+            // now we have our corners time to draw them
+            img.Fill(Rgba32.Transparent, corners, new GraphicsOptions(true)
+            {
+                BlenderMode = ImageSharp.PixelFormats.PixelBlenderMode.Src // enforces that any part of this shape that has color is punched out of the background
+            });
+        }
+
+        public static IPathCollection BuildCorners(int imageWidth, int imageHeight, float cornerRadius)
+        {
+            // first create a square
+            var rect = new RectangularePolygon(-0.5f, -0.5f, cornerRadius, cornerRadius);
+
+            // then cut out of the square a circle so we are left with a corner
+            var cornerToptLeft = rect.Clip(new EllipsePolygon(cornerRadius - 0.5f, cornerRadius - 0.5f, cornerRadius));
+
+            // corner is now a corner shape positions top left
+            //lets make 3 more positioned correctly, we can do that by translating the orgional around the center of the image
+            var center = new Vector2(imageWidth / 2, imageHeight / 2);
+
+            float rightPos = imageWidth - cornerToptLeft.Bounds.Width + 1;
+            float bottomPos = imageHeight - cornerToptLeft.Bounds.Height + 1;
+
+            // move it across the width of the image - the width of the shape
+            var cornerTopRight = cornerToptLeft.RotateDegree(90).Translate(rightPos, 0);
+            var cornerBottomLeft = cornerToptLeft.RotateDegree(-90).Translate(0, bottomPos);
+            var cornerBottomRight = cornerToptLeft.RotateDegree(180).Translate(rightPos, bottomPos);
+
+            return new PathCollection(cornerToptLeft, cornerBottomLeft, cornerTopRight, cornerBottomRight);
+        }
+
         public static string RedisKey(this IBotCredentials bc)
         {
             return bc.Token.Substring(0, 10);

docs/guides/Windows Guide.md

@@ -7,7 +7,7 @@
 
 #### Guide 
 - Download and run the [NadekoBot Updater.][Updater]
-- Press **`Install Redis`** then
+- Press **`Install Redis`** then  
 - Press **`Install ffmpeg`** and **`Install youtube-dl`** if you want music features.  
 ***NOTE:** RESTART YOUR PC IF YOU DO.*
 - Press **`Update`** and go through the installation wizard.