implemented DPK archives and DBM images.

2026-07-08 01:30:18 +08:00 · 2017-11-25 01:56:49 +04:00
parent 8d9c51ea02
commit b2d03a5844
4 changed files with 222 additions and 0 deletions
--- a/ArcFormats/SysD/ImageDBM.cs
+++ b/ArcFormats/SysD/ImageDBM.cs
@@ -0,0 +1,84 @@
+//! \file       ImageDBM.cs
+//! \date       2017 Nov 24
+//! \brief      SYSD bitmap format.
+//
+// Copyright (C) 2017 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;
+using GameRes.Compression;
+
+namespace GameRes.Formats.SysD
+{
+    [Export(typeof(ImageFormat))]
+    public class DbmFormat : ImageFormat
+    {
+        public override string         Tag { get { return "DBM"; } }
+        public override string Description { get { return "SYSD enging bitmap format"; } }
+        public override uint     Signature { get { return 0x4D44; } } // 'DM'
+
+        public DbmFormat ()
+        {
+            Signatures = new uint[] { 0x004D44, 0x014D44, 0x044D44 };
+        }
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (0x18);
+            if (header.ToUInt32 (4) != file.Length)
+                return null;
+            return new ImageMetaData {
+                Width  = header.ToUInt16 (0xA),
+                Height = header.ToUInt16 (0xC),
+                BPP = 24,
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            file.Position = 0x18;
+            bool is_packed = file.ReadByte() != 0;
+            int packed_size = file.ReadInt32() - 9;
+            int unpacked_size = file.ReadInt32();
+            var pixels = new byte[unpacked_size];
+            if (is_packed)
+            {
+                using (var lzss = new LzssStream (file.AsStream, LzssMode.Decompress, true))
+                {
+                    lzss.Read (pixels, 0, pixels.Length);
+                }
+            }
+            else
+            {
+                file.Read (pixels, 0, pixels.Length);
+            }
+            int stride = (int)info.Width * info.BPP / 8;
+            return ImageData.CreateFlipped (info, PixelFormats.Bgr24, null, pixels, stride);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("DbmFormat.Write not implemented");
+        }
+    }
+}