Initial split of the modules
This commit is contained in:
Master Kwoth
218
NadekoBot.Core/_Extensions/Extensions.cs
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218
NadekoBot.Core/_Extensions/Extensions.cs
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using Discord;
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using Discord.Commands;
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using Discord.WebSocket;
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using ImageSharp;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net.Http;
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using System.Security.Cryptography;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using NadekoBot.Common.Collections;
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using SixLabors.Primitives;
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using NadekoBot.Common;
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namespace NadekoBot.Extensions
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{
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public static class Extensions
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{
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public static async Task<string> ReplaceAsync(this Regex regex, string input, Func<Match, Task<string>> replacementFn)
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{
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var sb = new StringBuilder();
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var lastIndex = 0;
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foreach (Match match in regex.Matches(input))
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{
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sb.Append(input, lastIndex, match.Index - lastIndex)
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.Append(await replacementFn(match).ConfigureAwait(false));
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lastIndex = match.Index + match.Length;
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}
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sb.Append(input, lastIndex, input.Length - lastIndex);
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return sb.ToString();
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}
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public static void ThrowIfNull<T>(this T obj, string name) where T : class
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{
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if (obj == null)
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throw new ArgumentNullException(nameof(name));
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}
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public static ConcurrentDictionary<TKey, TValue> ToConcurrent<TKey, TValue>(this IEnumerable<KeyValuePair<TKey, TValue>> dict)
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=> new ConcurrentDictionary<TKey, TValue>(dict);
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public static bool IsAuthor(this IMessage msg, IDiscordClient client) =>
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msg.Author?.Id == client.CurrentUser.Id;
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public static string RealSummary(this CommandInfo cmd, string prefix) => string.Format(cmd.Summary, prefix);
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public static string RealRemarks(this CommandInfo cmd, string prefix) => string.Format(cmd.Remarks, prefix);
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public static EmbedBuilder AddPaginatedFooter(this EmbedBuilder embed, int curPage, int? lastPage)
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{
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if (lastPage != null)
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return embed.WithFooter(efb => efb.WithText($"{curPage + 1} / {lastPage + 1}"));
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else
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return embed.WithFooter(efb => efb.WithText(curPage.ToString()));
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}
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public static EmbedBuilder WithOkColor(this EmbedBuilder eb) =>
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eb.WithColor(NadekoBot.OkColor);
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public static EmbedBuilder WithErrorColor(this EmbedBuilder eb) =>
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eb.WithColor(NadekoBot.ErrorColor);
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public static ReactionEventWrapper OnReaction(this IUserMessage msg, DiscordSocketClient client, Action<SocketReaction> reactionAdded, Action<SocketReaction> reactionRemoved = null)
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{
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if (reactionRemoved == null)
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reactionRemoved = delegate { };
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var wrap = new ReactionEventWrapper(client, msg);
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wrap.OnReactionAdded += (r) => { var _ = Task.Run(() => reactionAdded(r)); };
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wrap.OnReactionRemoved += (r) => { var _ = Task.Run(() => reactionRemoved(r)); };
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return wrap;
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}
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public static void AddFakeHeaders(this HttpClient http)
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{
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http.DefaultRequestHeaders.Clear();
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http.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1");
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http.DefaultRequestHeaders.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
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}
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public static IMessage DeleteAfter(this IUserMessage msg, int seconds)
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{
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Task.Run(async () =>
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{
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await Task.Delay(seconds * 1000);
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try { await msg.DeleteAsync().ConfigureAwait(false); }
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catch { }
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});
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return msg;
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}
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public static ModuleInfo GetTopLevelModule(this ModuleInfo module)
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{
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while (module.Parent != null)
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{
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module = module.Parent;
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}
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return module;
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}
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//public static async Task<IEnumerable<IGuildUser>> MentionedUsers(this IUserMessage msg) =>
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public static void AddRange<T>(this HashSet<T> target, IEnumerable<T> elements) where T : class
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{
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foreach (var item in elements)
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{
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target.Add(item);
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}
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}
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public static void AddRange<T>(this ConcurrentHashSet<T> target, IEnumerable<T> elements) where T : class
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{
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foreach (var item in elements)
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{
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target.Add(item);
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}
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}
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public static double UnixTimestamp(this DateTime dt) => dt.ToUniversalTime().Subtract(new DateTime(1970, 1, 1, 0, 0, 0)).TotalSeconds;
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public static async Task<IEnumerable<IGuildUser>> GetMembersAsync(this IRole role) =>
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(await role.Guild.GetUsersAsync(CacheMode.CacheOnly)).Where(u => u.RoleIds.Contains(role.Id)) ?? Enumerable.Empty<IGuildUser>();
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public static string ToJson<T>(this T any, Formatting formatting = Formatting.Indented) =>
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JsonConvert.SerializeObject(any, formatting);
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public static MemoryStream ToStream(this ImageSharp.Image<Rgba32> img)
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{
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var imageStream = new MemoryStream();
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img.SaveAsPng(imageStream, new ImageSharp.Formats.PngEncoder() { CompressionLevel = 9});
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imageStream.Position = 0;
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return imageStream;
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}
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/// <summary>
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/// returns an IEnumerable with randomized element order
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="list"></param>
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public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> items)
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{
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// Thanks to @Joe4Evr for finding a bug in the old version of the shuffle
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using (var provider = RandomNumberGenerator.Create())
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{
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var list = items.ToList();
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var n = list.Count;
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while (n > 1)
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{
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var box = new byte[(n / Byte.MaxValue) + 1];
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int boxSum;
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do
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{
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provider.GetBytes(box);
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boxSum = box.Sum(b => b);
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}
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while (!(boxSum < n * ((Byte.MaxValue * box.Length) / n)));
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var k = (boxSum % n);
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n--;
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var value = list[k];
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list[k] = list[n];
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list[n] = value;
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}
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return list;
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}
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}
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public static IEnumerable<T> ForEach<T>(this IEnumerable<T> elems, Action<T> exec)
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{
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foreach (var elem in elems)
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{
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exec(elem);
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}
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return elems;
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}
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public static Stream ToStream(this IEnumerable<byte> bytes, bool canWrite = false)
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{
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var ms = new MemoryStream(bytes as byte[] ?? bytes.ToArray(), canWrite);
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ms.Seek(0, SeekOrigin.Begin);
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return ms;
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}
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public static IEnumerable<IRole> GetRoles(this IGuildUser user) =>
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user.RoleIds.Select(r => user.Guild.GetRole(r)).Where(r => r != null);
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public static async Task<IMessage> SendMessageToOwnerAsync(this IGuild guild, string message)
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{
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var ownerPrivate = await (await guild.GetOwnerAsync().ConfigureAwait(false)).GetOrCreateDMChannelAsync()
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.ConfigureAwait(false);
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return await ownerPrivate.SendMessageAsync(message).ConfigureAwait(false);
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}
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public static Image<Rgba32> Merge(this IEnumerable<Image<Rgba32>> images)
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{
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var imgs = images.ToArray();
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var canvas = new Image<Rgba32>(imgs.Sum(img => img.Width), imgs.Max(img => img.Height));
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var xOffset = 0;
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for (int i = 0; i < imgs.Length; i++)
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{
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canvas.DrawImage(imgs[i], 100, default(Size), new Point(xOffset, 0));
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xOffset += imgs[i].Bounds.Width;
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}
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return canvas;
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}
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}
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}
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