Add BFOTF to open dialog

Currently it's just a modification of BFTTF.cs, unsure if it's possible to have that file show both formats in the open dialog

File_Format_Library/FileFormats/Font/BFOTF.cs

@@ -0,0 +1,162 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Runtime.InteropServices;
+using Toolbox;
+using System.Windows.Forms;
+using Toolbox.Library;
+using Toolbox.Library.IO;
+using Toolbox.Library.Forms;
+
+namespace FirstPlugin
+{
+    public class BFOTF : TreeNodeFile, IFileFormat, IContextMenuNode
+    {
+        public FileType FileType { get; set; } = FileType.Font;
+
+        public bool CanSave { get; set; }
+        public string[] Description { get; set; } = new string[] { "Binary Cafe Open Type Font" };
+        public string[] Extension { get; set; } = new string[] { "*.bfotf" };
+        public string FileName { get; set; }
+        public string FilePath { get; set; }
+        public IFileInfo IFileInfo { get; set; }
+
+        public bool Identify(System.IO.Stream stream)
+        {
+            using (var reader = new Toolbox.Library.IO.FileReader(stream, true))
+            {
+                uint magic = reader.ReadUInt32();
+                reader.Position = 0;
+                return magic == 0x1A879BD9 || magic == 0x1E1AF836 || magic == 0xC1DE68F3;
+            }
+        }
+
+        public Type[] Types
+        {
+            get
+            {
+                List<Type> types = new List<Type>();
+                return types.ToArray();
+            }
+        }
+
+        [DllImport("gdi32.dll")]
+        private static extern IntPtr AddFontMemResourceEx(IntPtr pbFont, uint cbFont, IntPtr pdv, [In] ref uint pcFonts);
+
+        public byte[] DecryptedFont { get; set; }
+
+        //Decryption process from https://github.com/TheFearsomeDzeraora/BFTTFutil/blob/master/Program.cs
+        public void Load(System.IO.Stream stream)
+        {
+            Text = FileName;
+
+            using (var reader = new FileReader(stream))
+            {
+                uint decryptionKey = 0;
+
+                uint magic = reader.ReadUInt32();
+                switch (magic)
+                {
+                    case 0x1A879BD9: decryptionKey = 2785117442U; break;
+                    case 0x1E1AF836: decryptionKey = 1231165446U; break;
+                    case 0xC1DE68F3: decryptionKey = 2364726489U; break;
+                    default:
+                        Console.WriteLine("Err 0x2: Input file isn't a BFTTF\\BFOTF");
+                        break;
+                }
+
+                byte[] inFile = reader.getSection(0, (int)reader.BaseStream.Length);
+                if (inFile.Length <= 8) return;
+                uint value = GetUInt32(inFile, 4) ^ decryptionKey;
+                if (inFile.Length < value) return;
+                byte[] outFile = new byte[inFile.Length - 8];
+                int pos = 8;
+                while (pos < inFile.Length)
+                {
+                    SetToUInt32(GetUInt32(inFile, pos) ^ decryptionKey, outFile, pos - 8);
+                    pos += 4;
+                }
+
+                DecryptedFont = outFile;
+            }
+        }
+
+        public ToolStripItem[] GetContextMenuItems()
+        {
+            List<ToolStripItem> Items = new List<ToolStripItem>();
+            Items.Add(new STToolStipMenuItem("Export", null, ExportAction, Keys.Control | Keys.E));
+            return Items.ToArray();
+        }
+
+        private void ExportAction(object sender, EventArgs args)
+        {
+            SaveFileDialog sfd = new SaveFileDialog();
+            sfd.FileName = Text;
+            sfd.DefaultExt = System.IO.Path.GetExtension(Text);
+            sfd.Filter = "Open Type Font |*.otf;";
+
+            if (sfd.ShowDialog() == DialogResult.OK)
+            {
+                System.IO.File.WriteAllBytes(sfd.FileName, DecryptedFont);
+            }
+        }
+
+        public System.Drawing.Font ToFont(float Size = 72)
+        {
+            System.Drawing.Text.PrivateFontCollection privateFonts = new System.Drawing.Text.PrivateFontCollection();
+
+            // We HAVE to do this to register the font to the system (Weird .NET bug !)
+            var fontDataPtr = Marshal.AllocCoTaskMem(DecryptedFont.Length);
+            Marshal.Copy(DecryptedFont, 0, fontDataPtr, DecryptedFont.Length);
+
+            uint cFonts = 0;
+            AddFontMemResourceEx(fontDataPtr, (uint)DecryptedFont.Length, IntPtr.Zero, ref cFonts);
+
+            privateFonts.AddMemoryFont(fontDataPtr, DecryptedFont.Length);
+
+            return new System.Drawing.Font(privateFonts.Families[0], Size);
+        }
+
+        public override void OnClick(TreeView treeview)
+        {
+            var font = ToFont();
+
+            var texbox = new RichTextBox() { Multiline = true, BorderStyle = BorderStyle.None, Dock = DockStyle.Fill };
+            texbox.BackColor = FormThemes.BaseTheme.FormBackColor;
+            texbox.ForeColor = FormThemes.BaseTheme.FormForeColor;
+
+            UserControl editor = new UserControl();
+            editor.Controls.Add(texbox);
+            LibraryGUI.LoadEditor(editor);
+
+            editor.Text = Text;
+            editor.Dock = DockStyle.Fill;
+            editor.Font = font;
+            texbox.Text = "Preview Text!";
+        }
+
+        private static UInt32 GetUInt32(byte[] data, int pos)
+        {
+            return (UInt32)(data[pos + 3] | data[pos + 2] << 8 | data[pos + 1] << 16 | data[pos] << 24);
+        }
+
+        private static void SetToUInt32(uint val, byte[] data, int pos)
+        {
+            data[pos + 3] = (byte)(val & (uint)byte.MaxValue);
+            data[pos + 2] = (byte)(val >> 8 & (uint)byte.MaxValue);
+            data[pos + 1] = (byte)(val >> 16 & (uint)byte.MaxValue);
+            data[pos] = (byte)(val >> 24 & (uint)byte.MaxValue);
+        }
+
+        public void Unload()
+        {
+            DecryptedFont = null;
+            GC.WaitForPendingFinalizers();
+        }
+
+        public void Save(System.IO.Stream stream)
+        {
+        }
+    }
+}

File_Format_Library/File_Format_Library.csproj

@@ -328,6 +328,7 @@
     <Compile Include="FileFormats\Audio\Archives\BFGRP.cs" />
     <Compile Include="FileFormats\Font\BffntCharSet2Xlor.cs" />
     <Compile Include="FileFormats\Font\BFTTF.cs" />
+    <Compile Include="FileFormats\Font\BFOTF.cs" />
     <Compile Include="FileFormats\HyruleWarriors\G1M\G1M.cs" />
     <Compile Include="FileFormats\HyruleWarriors\LINKDATA.cs" />
     <Compile Include="FileFormats\Layout\Animation\LytAnimGroup.cs" />

File_Format_Library/Main.cs

@@ -406,6 +406,7 @@ namespace FirstPlugin
             Formats.Add(typeof(GCDisk));
             Formats.Add(typeof(TPL));
             Formats.Add(typeof(BFTTF));
+            Formats.Add(typeof(BFOTF));
             Formats.Add(typeof(HedgehogLibrary.PACx));
             Formats.Add(typeof(BinGzArchive));
             Formats.Add(typeof(GAR));