Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibGfx/ImageFormats/TIFFLoader.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2023, Lucas Chollet <lucas.chollet@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/MemoryStream.h>
+#include <AK/NonnullOwnPtr.h>
+#include <LibGfx/ImageFormats/ImageDecoder.h>
+
+namespace Gfx {
+
+class ExifMetadata;
+
+// This is a link to the main TIFF specification from 1992
+// https://www.itu.int/itudoc/itu-t/com16/tiff-fx/docs/tiff6.pdf
+
+// First TIFF Technical notes from 1995
+// https://www.awaresystems.be/imaging/tiff/specification/TIFFPM6.pdf
+
+// Second TIFF Technical notes from 1995
+// The document is the second (and current) specification for embedded JPEGs in TIFF images.
+// https://www.awaresystems.be/imaging/tiff/specification/TIFFTechNote2.txt
+
+// This is also compatible with Exif as it is, basically, another set of TIFF tags:
+// The spec is named "Exchangeable image file format for digital still cameras: Exif Version 3.0"
+// And it can be found at https://www.cipa.jp/e/std/std-sec.html
+
+namespace TIFF {
+class TIFFLoadingContext;
+}
+
+class TIFFImageDecoderPlugin : public ImageDecoderPlugin {
+public:
+    static bool sniff(ReadonlyBytes);
+    static ErrorOr<NonnullOwnPtr<ImageDecoderPlugin>> create(ReadonlyBytes);
+    static ErrorOr<NonnullOwnPtr<ExifMetadata>> read_exif_metadata(ReadonlyBytes);
+
+    virtual ~TIFFImageDecoderPlugin() override;
+
+    virtual IntSize size() override;
+
+    virtual ErrorOr<ImageFrameDescriptor> frame(size_t index, Optional<IntSize> ideal_size = {}) override;
+
+    virtual Optional<Metadata const&> metadata() override;
+    virtual ErrorOr<Optional<ReadonlyBytes>> icc_data() override;
+
+private:
+    TIFFImageDecoderPlugin(NonnullOwnPtr<FixedMemoryStream>);
+
+    OwnPtr<TIFF::TIFFLoadingContext> m_context;
+};
+
+}