implemented MicroVision ARC1 archives, GPC images and IKM audio.

2026-06-27 14:18:06 +08:00 · 2017-04-02 15:30:00 +04:00
parent 72f0c66aab
commit a1f2285a2e
5 changed files with 382 additions and 0 deletions
--- a/ArcFormats/MicroVision/ImageGPC.cs
+++ b/ArcFormats/MicroVision/ImageGPC.cs
@@ -0,0 +1,95 @@
+//! \file       ImageGPC.cs
+//! \date       Fri Mar 24 03:31:55 2017
+//! \brief      MicroVision 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;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+
+namespace GameRes.Formats.MicroVision
+{
+    internal class GpcMetaData : ImageMetaData
+    {
+        public  int Type;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class GpcFormat : ImageFormat
+    {
+        public override string         Tag { get { return "GTX"; } }
+        public override string Description { get { return "MicroVision image format"; } }
+        public override uint     Signature { get { return 0x30435047; } } // 'GPC0'
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (0x40);
+            int flags = header.ToUInt16 (0xC);
+            if (0 != (flags & 0x1000))
+            {
+                var v1header = file.ReadBytes (0x30);
+                return new GpcMetaData {
+                    Width  = v1header.ToUInt16 (0x10),
+                    Height = v1header.ToUInt16 (0x12),
+                    BPP    = 32,
+                    Type   = 0x1000
+                };
+            }
+            else if (0 != (flags & 0x2000))
+            {
+                var v2header = file.ReadBytes (0x50);
+                if (v2header.ToUInt16 (0x14) != 1)
+                    return null;
+                return new GpcMetaData {
+                    Width  = v2header.ToUInt16 (0x10),
+                    Height = v2header.ToUInt16 (0x12),
+                    BPP    = 32,
+                    Type   = 0x2000
+                };
+            }
+            else
+                return null;
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (GpcMetaData)info;
+            if (0x2000 == meta.Type)
+            {
+                file.Position = 0x90;
+                int stride = (int)meta.Width * 4;
+                var pixels = new byte[stride * (int)meta.Height];
+                if (pixels.Length != file.Read (pixels, 0, pixels.Length))
+                    throw new EndOfStreamException();
+                return ImageData.Create (info, PixelFormats.Bgra32, null, pixels, stride);
+            }
+            throw new NotImplementedException();
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("GpcFormat.Write not implemented");
+        }
+    }
+}