| 139 | } |
| 140 | |
| 141 | bool Color::fromHexString(const std::string& hex) |
| 142 | { |
| 143 | if (hex.size() < 7 || hex[0] != '#') { |
| 144 | return false; |
| 145 | } |
| 146 | |
| 147 | // #RRGGBB |
| 148 | if (hex.size() == 7) { |
| 149 | std::stringstream ss(hex); |
| 150 | unsigned int rgb; |
| 151 | char ch {}; |
| 152 | |
| 153 | ss >> ch >> std::hex >> rgb; |
| 154 | int rc = (rgb >> 16) & 0xff; |
| 155 | int gc = (rgb >> 8) & 0xff; |
| 156 | int bc = rgb & 0xff; |
| 157 | |
| 158 | r = rc / 255.0F; |
| 159 | g = gc / 255.0F; |
| 160 | b = bc / 255.0F; |
| 161 | |
| 162 | return true; |
| 163 | } |
| 164 | // #RRGGBBAA |
| 165 | if (hex.size() == 9) { |
| 166 | std::stringstream ss(hex); |
| 167 | unsigned int rgba; |
| 168 | char ch {}; |
| 169 | |
| 170 | ss >> ch >> std::hex >> rgba; |
| 171 | int rc = (rgba >> 24) & 0xff; |
| 172 | int gc = (rgba >> 16) & 0xff; |
| 173 | int bc = (rgba >> 8) & 0xff; |
| 174 | int ac = rgba & 0xff; |
| 175 | |
| 176 | r = rc / 255.0F; |
| 177 | g = gc / 255.0F; |
| 178 | b = bc / 255.0F; |
| 179 | a = ac / 255.0F; |
| 180 | |
| 181 | return true; |
| 182 | } |
| 183 | |
| 184 | return false; |
| 185 | } |
| 186 | // NOLINTEND(cppcoreguidelines-avoid-magic-numbers,readability-magic-numbers) |