Implement ManagedImage and codec abstraction (#38)

crates/libremetaverse-imaging-skia/src/generated.rs

@@ -32,4 +32,3 @@ impl SkiaTextureCodec {
         )
     }
 }
-impl libremetaverse_imaging::ITextureCodec for SkiaTextureCodec {}

crates/libremetaverse-imaging-skia/src/lib.rs

@@ -12,3 +12,15 @@ mod generated;
 pub use generated::*;
 pub use libremetaverse_imaging as imaging;
 pub use libremetaverse_types::Error;
+
+// The native codec abstraction requires an explicit implementation. Until the
+// optional Skia adapter is ported, forward through its cataloged typed-failure
+// method rather than manufacturing an image or silently accepting input.
+impl libremetaverse_imaging::ITextureCodec for SkiaTextureCodec {
+    fn decode(
+        &self,
+        stream: Box<dyn libremetaverse_types::compat::ReadWrite + Send>,
+    ) -> Result<libremetaverse_imaging::ManagedImage, Error> {
+        Self::decode(self, stream)
+    }
+}