bunch of stuff.

Legacy/Uran/ImageNCL.cs

@@ -0,0 +1,101 @@
+//! \file       ImageNCL.cs
+//! \date       2022 May 11
+//! \brief      Uran multi-frame image.
+//
+// Copyright (C) 2022 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using GameRes.Compression;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+
+namespace GameRes.Formats.Uran
+{
+    public class NclMetaData : ImageMetaData
+    {
+        public int  DataOffset;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class NclFormat : ImageFormat
+    {
+        public override string         Tag { get { return "NCL/URAN"; } }
+        public override string Description { get { return "Uran multi-frame image format"; } }
+        public override uint     Signature { get { return 0; } }
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            if (!file.Name.HasExtension (".ncl"))
+                return null;
+            var header = file.ReadHeader (0x10);
+            int size = header.ToInt32 (0);
+            int name_length = header.ToUInt16 (8);
+            if (size <= 1 || 0 == name_length || name_length > 0x100)
+                return null;
+            int pos = 10 + name_length + 6;
+            header = file.ReadHeader (pos + 9);
+            var name = header.GetCString (10, name_length);
+            if (!name.HasExtension (".bmp"))
+                return null;
+            int header_size = header.ToUInt16 (pos-2);
+            if (header_size < 9 || header_size > 0x40 || pos + header_size + size > file.Length)
+                return null;
+            uint width  = header.ToUInt32 (pos+1);
+            uint height = header.ToUInt32 (pos+5);
+            return new NclMetaData {
+                Width = width,
+                Height = height,
+                BPP = 8,
+                DataOffset = pos + header_size,
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (NclMetaData)info;
+            file.Position = meta.DataOffset;
+            Stream input = new NclSubStream (file.AsStream, 10, true);
+            try
+            {
+                int method = input.ReadByte();
+                if (2 == method)
+                    input = new ZLibStream (input, CompressionMode.Decompress);
+
+                var decoder = new BmpBitmapDecoder (input,
+                    BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
+                var frame = decoder.Frames[0];
+                frame.Freeze();
+                return new ImageData (frame, info);
+            }
+            finally
+            {
+                input.Dispose();
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("NclFormat.Write not implemented");
+        }
+    }
+}