File splits

color.h

@@ -0,0 +1,18 @@
+#pragma once
+
+struct Color {
+  // 32-bit for compiler convenience, but values are 16-bit
+  uint32_t r;
+  uint32_t g;
+  uint32_t b;
+
+  constexpr uint32_t Difference(const Color& other) const;
+};
+
+constexpr uint32_t Color::Difference(const Color& other) const {
+  return (
+    ((r > other.r) ? (r - other.r) : (other.r - r)) +
+    ((g > other.g) ? (g - other.g) : (other.g - g)) +
+    ((b > other.b) ? (b - other.b) : (other.b - b))
+  );
+}