implemented ACHV archives and GPD images.

2026-07-08 01:30:18 +08:00 · 2018-04-24 21:00:03 +04:00
parent 12f8fd51a5
commit 12a96e229f
3 changed files with 171 additions and 0 deletions
--- a/ArcFormats/Antique/ImageGPD.cs
+++ b/ArcFormats/Antique/ImageGPD.cs
@@ -0,0 +1,96 @@
+//! \file       ImageGPD.cs
+//! \date       2018 Apr 24
+//! \brief      An*tique 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;
+using System.Windows.Media.Imaging;
+using GameRes.Compression;
+
+namespace GameRes.Formats.Antique
+{
+    internal class GpdMetaData : ImageMetaData
+    {
+        public int  Colors;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class GpdFormat : ImageFormat
+    {
+        public override string         Tag { get { return "GPD"; } }
+        public override string Description { get { return "An*tique image format"; } }
+        public override uint     Signature { get { return 0x20445047; } } // 'GPD '
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (0x18);
+            return new GpdMetaData {
+                Width  = header.ToUInt32 (8),
+                Height = header.ToUInt32 (0x0C),
+                Colors = header.ToInt32 (0x10),
+                BPP    = header.ToInt32 (0x14),
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (GpdMetaData)info;
+            PixelFormat format;
+            if (8 == meta.BPP)
+                format = PixelFormats.Indexed8;
+            else if (24 == meta.BPP)
+                format = PixelFormats.Bgr24;
+            else if (32 == meta.BPP)
+                format = PixelFormats.Bgr32;
+            else
+                throw new InvalidFormatException();
+
+            file.Position = 0x18;
+            BitmapPalette palette = null;
+            if (8 == meta.BPP)
+                palette = ReadPalette (file.AsStream, meta.Colors);
+
+            int stride = (int)meta.Width * meta.BPP / 8;
+            int unpacked_size = stride * (int)meta.Height;
+            var pixels = new byte[unpacked_size];
+            int packed_size = file.ReadInt32();
+            if (-1 == packed_size)
+            {
+                file.Read (pixels, 0, unpacked_size);
+            }
+            else
+            {
+                using (var lzss = new LzssStream (file.AsStream, LzssMode.Decompress, true))
+                    lzss.Read (pixels, 0, unpacked_size);
+            }
+            return ImageData.CreateFlipped (info, format, palette, pixels, stride);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("GpdFormat.Write not implemented");
+        }
+    }
+}