(Legacy): separate project for old resource formats.

2026-07-08 01:30:18 +08:00 · 2017-12-05 22:38:00 +04:00
parent 27e44ff9eb
commit 716e6d27c8
13 changed files with 1203 additions and 3 deletions
--- a/Legacy/ApplePie/ImageGT.cs
+++ b/Legacy/ApplePie/ImageGT.cs
@@ -0,0 +1,111 @@
+//! \file       ImageGT.cs
+//! \date       2017 Dec 05
+//! \brief      ApplePie 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.ApplePie
+{
+    internal class GtMetaData : ImageMetaData
+    {
+        public int  Flags;
+        public uint DataOffset;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class GtFormat : ImageFormat
+    {
+        public override string         Tag { get { return "GT/ApplePie"; } }
+        public override string Description { get { return "Apple Pie image format"; } }
+        public override uint     Signature { get { return 0; } }
+
+        public GtFormat ()
+        {
+            Signatures = new uint[] { 0x0B105447, 0x06105447, 0x01105447, 0 };
+        }
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (0x10);
+            if (!header.AsciiEqual ("GT\x10"))
+                return null;
+            bool has_alpha = (header[3] & 8) != 0;
+            bool grayscale = (header[3] & 3) == 1;
+            return new GtMetaData {
+                Width = header.ToUInt16 (4),
+                Height = header.ToUInt16 (6),
+                BPP = grayscale ? 8 : has_alpha ? 32 : 24,
+                Flags = header[3],
+                DataOffset = header.ToUInt32 (8),
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (GtMetaData)info;
+            file.Position = meta.DataOffset;
+            if (0 != (meta.Flags & 8))
+            {
+                var pixels = UnpackRle (file, (int)meta.Width * (int)meta.Height);
+                return ImageData.Create (info, PixelFormats.Bgra32, null, pixels);
+            }
+            else if (1 == (meta.Flags & 3))
+            {
+                var pixels = file.ReadBytes ((int)meta.Width * (int)meta.Height);
+                return ImageData.Create (info, PixelFormats.Gray8, null, pixels);
+            }
+            else
+            {
+                int stride = (int)meta.Width * 3;
+                var pixels = file.ReadBytes (stride * (int)meta.Height);
+                return ImageData.Create (info, PixelFormats.Bgr24, null, pixels, stride);
+            }
+        }
+
+        byte[] UnpackRle (IBinaryStream input, int count)
+        {
+            var output = new byte[count * 4];
+            int dst = 0;
+            while (count > 0)
+            {
+                int length = input.ReadInt32();
+                count -= length;
+                dst += length * 4;
+                length = input.ReadInt32();
+                count -= length;
+                input.Read (output, dst, length * 4);
+                dst += length * 4;
+            }
+            return output;
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("GtFormat.Write not implemented");
+        }
+    }
+}