includes/type: Added new color types

includes/type/color.pat

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <std/io.pat>
+
+namespace type {
+
+    struct RGBA8 {
+        u8 r, g, b, a;
+    } [[sealed, format("type::impl::format_color")]];
+
+    bitfield RGB565 {
+        r : 5;
+        g : 6;
+        b : 5;
+    } [[sealed, format("type::impl::format_color")]];
+
+    bitfield RGBA4 {
+        r : 4;
+        g : 4;
+        b : 4;
+        a : 4;
+    } [[sealed, format("type::impl::format_color")]];
+
+    namespace impl {
+
+        fn format_color(ref auto color) {
+            if (!std::core::has_member(color, "a")) {
+                return std::format("#{0:02X}{1:02X}{2:02X} | rgb({0}, {1}, {2})",
+                                    color.r,
+                                    color.g,
+                                    color.b);
+            } else {
+                return std::format("#{0:02X}{1:02X}{2:02X}{3:02X} | rgba({0}, {1}, {2}, {3})",
+                                    color.r,
+                                    color.g,
+                                    color.b,
+                                    color.a);
+            }
+        };
+
+    }
+
+}