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/AnimationWriter.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2024, Nico Weber <thakis@chromium.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Error.h>
+#include <LibGfx/Forward.h>
+#include <LibGfx/Point.h>
+
+namespace Gfx {
+
+class AnimationWriter {
+public:
+    virtual ~AnimationWriter();
+
+    // Flushes the frame to disk.
+    // IntRect { at, at + bitmap.size() } must fit in the dimensions
+    // passed to `start_writing_animation()`.
+    // FIXME: Consider passing in disposal method and blend mode.
+    virtual ErrorOr<void> add_frame(Bitmap&, int duration_ms, IntPoint at = {}) = 0;
+
+    ErrorOr<void> add_frame_relative_to_last_frame(Bitmap&, int duration_ms, RefPtr<Bitmap> last_frame);
+};
+
+}