implemented hcsystem PACK archives and OPF images.

2026-07-08 01:30:18 +08:00 · 2018-01-31 00:00:54 +04:00
parent f0ec7b3682
commit 6dafc95461
3 changed files with 211 additions and 0 deletions
--- a/ArcFormats/HCSystem/ImageOPF.cs
+++ b/ArcFormats/HCSystem/ImageOPF.cs
@@ -0,0 +1,82 @@
+//! \file       ImageOPF.cs
+//! \date       2018 Jan 30
+//! \brief      hcsystem image format.
+//
+// Copyright (C) 2018 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.HCSystem
+{
+    internal class OpfMetaData : ImageMetaData
+    {
+        public int  Stride;
+        public int  DataOffset;
+        public int  DataLength;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class OpfFormat : ImageFormat
+    {
+        public override string         Tag { get { return "OPF"; } }
+        public override string Description { get { return "hcsystem engine image format"; } }
+        public override uint     Signature { get { return 0x2046504F; } } // 'OPF '
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (0x20);
+            var info = new OpfMetaData {
+                Width  = header.ToUInt32 (4),
+                Height = header.ToUInt32 (8),
+                BPP    = header.ToInt32 (0xC),
+                Stride = header.ToInt32 (0x10),
+                DataOffset = header.ToInt32 (0x14),
+                DataLength = header.ToInt32 (0x18),
+            };
+            if (info.BPP > 32 || info.DataOffset < 32)
+                return null;
+            return info;
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (OpfMetaData)info;
+            file.Position = meta.DataOffset;
+            PixelFormat format;
+            switch (meta.BPP)
+            {
+            case 24: format = PixelFormats.Bgr24; break;
+            case 32: format = PixelFormats.Bgra32; break;
+            default: throw new InvalidFormatException ("Not supported OPF color depth.");
+            }
+            var pixels = file.ReadBytes (meta.DataLength);
+            return ImageData.Create (info, format, null, pixels, meta.Stride);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("OpfFormat.Write not implemented");
+        }
+    }
+}