(Legacy): updated bunch of formats.

2026-07-08 01:30:18 +08:00 · 2020-03-30 17:25:15 +04:00
parent 8ad1c652c6
commit 1dfa1482b9
16 changed files with 1130 additions and 25 deletions
--- a/Legacy/Zone/ImageBM_.cs
+++ b/Legacy/Zone/ImageBM_.cs
@@ -0,0 +1,117 @@
+//! \file       ImageBM_.cs
+//! \date       2019 Jun 25
+//! \brief      Zone compressed image.
+//
+// Copyright (C) 2019 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 System.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+
+namespace GameRes.Formats.Zone
+{
+    internal class Bm_MetaData : ImageMetaData
+    {
+        public bool IsCompressed;
+        public byte RleFlag;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class Bm_Format : ImageFormat
+    {
+        public override string         Tag { get { return "BM_/ZONE"; } }
+        public override string Description { get { return "Zone compressed image"; } }
+        public override uint     Signature { get { return 0; } }
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            if (!file.Name.HasExtension (".bm_"))
+                return null;
+            var header = file.ReadHeader (0x18);
+            int signature = header.ToInt32 (0);
+            if (signature != 0 && signature != 1)
+                return null;
+            file.Position = 0x418;
+            return new Bm_MetaData {
+                Width  = header.ToUInt32 (4),
+                Height = header.ToUInt32 (8),
+                BPP    = 8,
+                IsCompressed = signature != 0,
+                RleFlag = file.ReadUInt8(),
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (Bm_MetaData)info;
+            file.Position = 0x18;
+            var palette = ReadPalette (file.AsStream);
+            var pixels = new byte[info.Width * info.Height];
+            file.Position = 0x424;
+            if (meta.IsCompressed)
+                ReadRle (file, pixels, meta.RleFlag);
+            else
+                file.Read (pixels, 0, pixels.Length);
+            if (meta.IsCompressed)
+                return ImageData.Create (info, PixelFormats.Indexed8, palette, pixels);
+            else
+                return ImageData.CreateFlipped (info, PixelFormats.Indexed8, palette, pixels, info.iWidth);
+        }
+
+        void ReadRle (IBinaryStream input, byte[] output, byte rle_flag)
+        {
+            int dst = 0;
+            while (dst < output.Length)
+            {
+                byte b = input.ReadUInt8();
+                if (b != rle_flag)
+                {
+                    output[dst++] = b;
+                    continue;
+                }
+                b = input.ReadUInt8();
+                if (0 == b)
+                {
+                    output[dst++] = rle_flag;
+                    continue;
+                }
+                int count = 0;
+                while (1 == b)
+                {
+                    count += 0x100;
+                    b = input.ReadUInt8();
+                }
+                count += b;
+                if (b != 0)
+                    input.ReadByte();
+                b = input.ReadUInt8();
+                while (count --> 0)
+                    output[dst++] = b;
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("Bm_Format.Write not implemented");
+        }
+    }
+}