feat: some legacy stuff

Legacy/PenguinWorks/ImagePXL.cs

@@ -0,0 +1,59 @@
+//! \file       ImagePXL.cs
+//! \date       2026-04-14
+//! \brief      Penguin Works image format.
+//
+// Copyright (C) 2026 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.PenguinWorks {
+    [Export(typeof(ImageFormat))]
+    public class PxlFormat : ImageFormat {
+        public override string         Tag { get { return "PXL"; } }
+        public override string Description { get { return "Penguin Works image format"; } }
+        public override uint     Signature { get { return 0; } }
+
+        public override ImageMetaData ReadMetaData(IBinaryStream file) {
+            uint width = file.ReadUInt32();
+            uint height = file.ReadUInt32();
+            return new ImageMetaData {
+                Width  = width,
+                Height = height,
+                BPP    = 24,
+            };
+        }
+
+        public override ImageData Read(IBinaryStream file, ImageMetaData info) {
+            file.Position = 8;
+            int stride = info.iWidth * 3;
+            var pixels = new byte[stride * info.iHeight];
+            file.Read(pixels, 0, pixels.Length);
+            return ImageData.CreateFlipped(info, PixelFormats.Bgr24, null, pixels, stride);
+        }
+
+        public override void Write(Stream file, ImageData image) {
+            throw new System.NotImplementedException ("PxlFormat.Write not implemented");
+        }
+    }
+}