implemented MG2 and MAL images.

2026-07-08 01:30:18 +08:00 · 2017-02-25 05:42:15 +04:00
parent 267353e1fc
commit b03d2fdecc
4 changed files with 304 additions and 0 deletions
--- a/ArcFormats/Valkyria/ImageMAL.cs
+++ b/ArcFormats/Valkyria/ImageMAL.cs
@@ -0,0 +1,82 @@
+//! \file       ImageMAL.cs
+//! \date       Sat Feb 25 05:13:05 2017
+//! \brief      Valkyria mask image 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;
+
+namespace GameRes.Formats.Valkyria
+{
+    [Export(typeof(ImageFormat))]
+    public class MalFormat : ImageFormat
+    {
+        public override string         Tag { get { return "MAL"; } }
+        public override string Description { get { return "Valkyria mask image format"; } }
+        public override uint     Signature { get { return 0x4F43494D; } } // 'MICO'
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (0xE);
+            if (!header.AsciiEqual (4, "MSK00"))
+                return null;
+            return new ImageMetaData 
+            {
+                Width = header.ToUInt16 (0xA),
+                Height = header.ToUInt16 (0xC),
+                BPP = 8
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            file.Position = 0xE;
+            int total = (int)info.Width * (int)info.Height;
+            var pixels = new byte[total + 15];
+            int dst = 0;
+            while (dst < total)
+            {
+                int count = file.ReadUInt16();
+                if (count > 0x7FFF)
+                {
+                    count &= 0x7FFF;
+                    file.Read (pixels, dst, count);
+                    dst += count;
+                }
+                else
+                {
+                    byte c = file.ReadUInt8();
+                    while (count --> 0)
+                        pixels[dst++] = c;
+                }
+            }
+            return ImageData.Create (info, PixelFormats.Gray8, null, pixels);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("MalFormat.Write not implemented");
+        }
+    }
+}