implemented MCA and CLM images.

2026-07-08 01:30:18 +08:00 · 2015-12-06 22:30:18 +04:00
parent 2dae9872ef
commit d462cf2269
7 changed files with 268 additions and 0 deletions
--- a/ArcFormats/FC01/ImageCLM.cs
+++ b/ArcFormats/FC01/ImageCLM.cs
@@ -0,0 +1,116 @@
+//! \file       ImageCLM.cs
+//! \date       Sun Dec 06 20:56:50 2015
+//! \brief      F&C Co. image format.
+//
+// Copyright (C) 2015 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.Utility;
+using System;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+
+namespace GameRes.Formats.FC01
+{
+    internal class ClmMetaData : ImageMetaData
+    {
+        public int  UnpackedSize;
+        public uint DataOffset;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class ClmFormat : ImageFormat
+    {
+        public override string         Tag { get { return "CLM"; } }
+        public override string Description { get { return "F&C Co. image format"; } }
+        public override uint     Signature { get { return 0x204D4C43; } } // 'CLM'
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            var header = new byte[0x40];
+            if (header.Length != stream.Read (header, 0, header.Length))
+                return null;
+            if (!Binary.AsciiEqual (header, 4, "1.00"))
+                return null;
+            uint data_offset = LittleEndian.ToUInt32 (header, 0x10);
+            if (data_offset < 0x40)
+                return null;
+            uint width  = LittleEndian.ToUInt32 (header, 0x1C);
+            uint height = LittleEndian.ToUInt32 (header, 0x20);
+            int bpp = LittleEndian.ToInt32 (header, 0x24);
+            int unpacked_size = LittleEndian.ToInt32 (header, 0x28);
+            return new ClmMetaData
+            {
+                Width   = width,
+                Height  = height,
+                BPP     = bpp,
+                UnpackedSize = unpacked_size,
+                DataOffset = data_offset,
+            };
+        }
+
+        public override ImageData Read (Stream stream, ImageMetaData info)
+        {
+            var meta = (ClmMetaData)info;
+            stream.Position = meta.DataOffset;
+            PixelFormat format;
+            BitmapPalette palette = null;
+            if (8 == meta.BPP)
+            {
+                format = PixelFormats.Indexed8;
+                palette = ReadPalette (stream);
+            }
+            else if (24 == meta.BPP)
+                format = PixelFormats.Bgr24;
+            else if (32 == meta.BPP)
+                format = PixelFormats.Bgr32;
+            else
+                throw new NotSupportedException ("Not supported CLM color depth");
+            int packed_size = (int)(stream.Length - stream.Position);
+            using (var reader = new MrgLzssReader (stream, packed_size, meta.UnpackedSize))
+            {
+                reader.Unpack();
+                return ImageData.Create (info, format, palette, reader.Data);
+            }
+        }
+
+        BitmapPalette ReadPalette (Stream input)
+        {
+            var palette_data = new byte[0x400];
+            if (palette_data.Length != input.Read (palette_data, 0, palette_data.Length))
+                throw new InvalidFormatException();
+            var palette = new Color[0x100];
+            for (int i = 0; i < palette.Length; ++i)
+            {
+                int c = i * 4;
+                palette[i] = Color.FromRgb (palette_data[c+2], palette_data[c+1], palette_data[c]);
+            }
+            return new BitmapPalette (palette);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("ClmFormat.Write not implemented");
+        }
+    }
+}