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/LibWeb/CSS/Resolution.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2022-2023, Sam Atkins <atkinssj@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/String.h>
+#include <LibWeb/Forward.h>
+
+namespace Web::CSS {
+
+class Resolution {
+public:
+    enum class Type {
+        Dpi,
+        Dpcm,
+        Dppx,
+    };
+
+    static Optional<Type> unit_from_name(StringView);
+
+    Resolution(double value, Type type);
+    static Resolution make_dots_per_pixel(double);
+
+    String to_string() const;
+    double to_dots_per_pixel() const;
+
+    Type type() const { return m_type; }
+    double raw_value() const { return m_value; }
+    StringView unit_name() const;
+
+    bool operator==(Resolution const& other) const
+    {
+        return m_type == other.m_type && m_value == other.m_value;
+    }
+
+    int operator<=>(Resolution const& other) const
+    {
+        auto this_dots_per_pixel = to_dots_per_pixel();
+        auto other_dots_per_pixel = other.to_dots_per_pixel();
+
+        if (this_dots_per_pixel < other_dots_per_pixel)
+            return -1;
+        if (this_dots_per_pixel > other_dots_per_pixel)
+            return 1;
+        return 0;
+    }
+
+private:
+    Type m_type;
+    double m_value { 0 };
+};
+}