LibGfx: Add String variants of Color::to_string*()

Author: https://github.com/shannonbooth
Commit: 6c9fffc4c1
Pull-request: https://github.com/SerenityOS/serenity/pull/21997
Reviewed-by: https://github.com/AtkinsSJ ✅

Userland/Libraries/LibGfx/Color.cpp

@@ -18,14 +18,24 @@
 
 namespace Gfx {
 
+String Color::to_string() const
+{
+    return MUST(String::formatted("#{:02x}{:02x}{:02x}{:02x}", red(), green(), blue(), alpha()));
+}
+
+String Color::to_string_without_alpha() const
+{
+    return MUST(String::formatted("#{:02x}{:02x}{:02x}", red(), green(), blue()));
+}
+
 DeprecatedString Color::to_deprecated_string() const
 {
-    return DeprecatedString::formatted("#{:02x}{:02x}{:02x}{:02x}", red(), green(), blue(), alpha());
+    return to_string().to_deprecated_string();
 }
 
 DeprecatedString Color::to_deprecated_string_without_alpha() const
 {
-    return DeprecatedString::formatted("#{:02x}{:02x}{:02x}", red(), green(), blue());
+    return to_string_without_alpha().to_deprecated_string();
 }
 
 static Optional<Color> parse_rgb_color(StringView string)

Userland/Libraries/LibGfx/Color.h

@@ -356,6 +356,9 @@ public:
         return m_value == other.m_value;
     }
 
+    String to_string() const;
+    String to_string_without_alpha() const;
+
     DeprecatedString to_deprecated_string() const;
     DeprecatedString to_deprecated_string_without_alpha() const;
     static Optional<Color> from_string(StringView);