| 61 | } |
| 62 | |
| 63 | Colour Colour::parse(std::string_view _value) |
| 64 | { |
| 65 | if (!_value.empty()) |
| 66 | { |
| 67 | if (_value[0] == '#') |
| 68 | { |
| 69 | std::stringstream stream; |
| 70 | stream << _value.substr(1); |
| 71 | int result = 0; |
| 72 | stream >> std::hex >> result; |
| 73 | if (!stream.fail()) |
| 74 | { |
| 75 | return { |
| 76 | (unsigned char)(result >> 16) / 256.0f, |
| 77 | (unsigned char)(result >> 8) / 256.0f, |
| 78 | (unsigned char)(result) / 256.0f}; |
| 79 | } |
| 80 | } |
| 81 | else |
| 82 | { |
| 83 | float red; |
| 84 | float green; |
| 85 | float blue; |
| 86 | std::stringstream stream; |
| 87 | stream << _value; |
| 88 | stream >> red >> green >> blue; |
| 89 | if (!stream.fail()) |
| 90 | { |
| 91 | float alpha = ALPHA_MAX; |
| 92 | if (!stream.eof()) |
| 93 | stream >> alpha; |
| 94 | return {red, green, blue, alpha}; |
| 95 | } |
| 96 | } |
| 97 | } |
| 98 | return Colour::Zero; |
| 99 | } |
| 100 | |
| 101 | std::ostream& Colour::operatorShiftLeft(std::ostream& _stream, const Colour& _value) |
| 102 | { |