| 68 | {0xffffffff, "White"}}); |
| 69 | |
| 70 | std::string_view MapGarminColor(uint32_t rgba) |
| 71 | { |
| 72 | std::string_view closestColor = kRGBAToGarmin[0].color; |
| 73 | auto minDistance = std::numeric_limits<int>::max(); |
| 74 | for (auto const & [rgbaGarmin, color] : kRGBAToGarmin) |
| 75 | { |
| 76 | auto const distance = ColorDistance(rgba, rgbaGarmin); |
| 77 | |
| 78 | if (distance == 0) |
| 79 | return color; // Exact match. |
| 80 | |
| 81 | if (distance < minDistance) |
| 82 | { |
| 83 | minDistance = distance; |
| 84 | closestColor = color; |
| 85 | } |
| 86 | } |
| 87 | return closestColor; |
| 88 | } |
| 89 | |
| 90 | struct RGBAToPredefined |
| 91 | { |