2019-07-18 21:58:50 +02:00
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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2019-09-12 01:23:17 +02:00
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using System.Runtime.InteropServices;
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2019-07-18 21:58:50 +02:00
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using Toolbox;
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using System.Windows.Forms;
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using Toolbox.Library;
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using Toolbox.Library.IO;
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using Toolbox.Library.Forms;
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namespace FirstPlugin
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{
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public class BFTTF : TreeNodeFile, IFileFormat, IContextMenuNode
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{
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public FileType FileType { get; set; } = FileType.Font;
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public bool CanSave { get; set; }
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public string[] Description { get; set; } = new string[] { "Binary Cafe True Type Font" };
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public string[] Extension { get; set; } = new string[] { "*.bfttf" };
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public string FileName { get; set; }
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public string FilePath { get; set; }
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public IFileInfo IFileInfo { get; set; }
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public bool Identify(System.IO.Stream stream)
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{
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using (var reader = new Toolbox.Library.IO.FileReader(stream, true))
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{
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uint magic = reader.ReadUInt32();
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reader.Position = 0;
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return magic == 0x1A879BD9 || magic == 0x1E1AF836 || magic == 0xC1DE68F3;
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}
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}
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public Type[] Types
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{
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get
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{
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List<Type> types = new List<Type>();
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return types.ToArray();
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}
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}
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2019-09-13 01:57:24 +02:00
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[DllImport("gdi32.dll")]
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private static extern IntPtr AddFontMemResourceEx(IntPtr pbFont, uint cbFont, IntPtr pdv, [In] ref uint pcFonts);
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2019-07-18 21:58:50 +02:00
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public byte[] DecryptedFont { get; set; }
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//Decryption process from https://github.com/TheFearsomeDzeraora/BFTTFutil/blob/master/Program.cs
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public void Load(System.IO.Stream stream)
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{
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Text = FileName;
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using (var reader = new FileReader(stream))
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{
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uint decryptionKey = 0;
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uint magic = reader.ReadUInt32();
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switch (magic)
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{
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case 0x1A879BD9: decryptionKey = 2785117442U; break;
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case 0x1E1AF836: decryptionKey = 1231165446U; break;
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case 0xC1DE68F3: decryptionKey = 2364726489U; break;
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default:
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Console.WriteLine("Err 0x2: Input file isn't a BFTTF\\BFOTF");
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break;
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}
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byte[] inFile = reader.getSection(0, (int)reader.BaseStream.Length);
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if (inFile.Length <= 8) return;
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uint value = GetUInt32(inFile, 4) ^ decryptionKey;
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if (inFile.Length < value) return;
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byte[] outFile = new byte[inFile.Length - 8];
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int pos = 8;
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while (pos < inFile.Length)
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{
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SetToUInt32(GetUInt32(inFile, pos) ^ decryptionKey, outFile, pos - 8);
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pos += 4;
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}
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DecryptedFont = outFile;
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}
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}
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public ToolStripItem[] GetContextMenuItems()
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{
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List<ToolStripItem> Items = new List<ToolStripItem>();
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Items.Add(new STToolStipMenuItem("Export", null, ExportAction, Keys.Control | Keys.E));
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return Items.ToArray();
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}
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private void ExportAction(object sender, EventArgs args)
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{
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SaveFileDialog sfd = new SaveFileDialog();
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sfd.FileName = Text;
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sfd.DefaultExt = System.IO.Path.GetExtension(Text);
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sfd.Filter = "Open Type Font |*.otf;";
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if (sfd.ShowDialog() == DialogResult.OK)
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{
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System.IO.File.WriteAllBytes(sfd.FileName, DecryptedFont);
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}
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}
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public override void OnClick(TreeView treeview)
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{
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2019-09-12 01:23:17 +02:00
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System.Drawing.Text.PrivateFontCollection privateFonts = new System.Drawing.Text.PrivateFontCollection();
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var fontDataPtr = Marshal.AllocCoTaskMem(DecryptedFont.Length);
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Marshal.Copy(DecryptedFont, 0, fontDataPtr, DecryptedFont.Length);
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2019-09-13 01:57:24 +02:00
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// We HAVE to do this to register the font to the system (Weird .NET bug !)
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uint cFonts = 0;
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AddFontMemResourceEx(fontDataPtr, (uint)DecryptedFont.Length, IntPtr.Zero, ref cFonts);
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2019-09-12 01:23:17 +02:00
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privateFonts.AddMemoryFont(fontDataPtr, DecryptedFont.Length);
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System.Drawing.Font font = new System.Drawing.Font(privateFonts.Families[0], 12);
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2019-09-13 01:57:24 +02:00
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var texbox = new RichTextBox() { Multiline = true, BorderStyle = BorderStyle.None, Dock = DockStyle.Fill };
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texbox.BackColor = FormThemes.BaseTheme.FormBackColor;
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texbox.ForeColor = FormThemes.BaseTheme.FormForeColor;
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2019-09-12 01:23:17 +02:00
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UserControl editor = new UserControl();
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editor.Controls.Add(texbox);
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LibraryGUI.LoadEditor(editor);
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2019-07-18 21:58:50 +02:00
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editor.Text = Text;
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editor.Dock = DockStyle.Fill;
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2019-09-12 01:23:17 +02:00
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editor.Font = font;
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texbox.Text = "Preview Text!";
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2019-07-18 21:58:50 +02:00
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}
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private static UInt32 GetUInt32(byte[] data, int pos)
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{
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return (UInt32)(data[pos + 3] | data[pos + 2] << 8 | data[pos + 1] << 16 | data[pos] << 24);
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}
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private static void SetToUInt32(uint val, byte[] data, int pos)
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{
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data[pos + 3] = (byte)(val & (uint)byte.MaxValue);
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data[pos + 2] = (byte)(val >> 8 & (uint)byte.MaxValue);
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data[pos + 1] = (byte)(val >> 16 & (uint)byte.MaxValue);
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data[pos] = (byte)(val >> 24 & (uint)byte.MaxValue);
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}
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public void Unload()
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{
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}
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2019-08-06 23:35:18 +02:00
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public void Save(System.IO.Stream stream)
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2019-07-18 21:58:50 +02:00
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{
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}
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}
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}
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