23 lines
502 B
C++
23 lines
502 B
C++
#pragma once
|
|
|
|
#include <cstdint>
|
|
|
|
constexpr uint32_t kNumColors = (1 << 16);
|
|
|
|
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))
|
|
);
|
|
}
|