| 268 | |
| 269 | |
| 270 | void ExtraBytesIf::readFrom(const char *buf) |
| 271 | { |
| 272 | LeExtractor extractor(buf, ExtraBytesSpecSize); |
| 273 | uint16_t dummy16; |
| 274 | uint32_t dummy32; |
| 275 | uint64_t dummy64; |
| 276 | double dummyd; |
| 277 | uint8_t options; |
| 278 | uint8_t type; |
| 279 | |
| 280 | uint8_t SCALE_MASK = 1 << 3; |
| 281 | uint8_t OFFSET_MASK = 1 << 4; |
| 282 | |
| 283 | extractor >> dummy16 >> type >> options; |
| 284 | extractor.get(m_name, 32); |
| 285 | extractor >> dummy32; |
| 286 | for (size_t i = 0; i < 3; ++i) |
| 287 | extractor >> dummy64; // No data field. |
| 288 | for (size_t i = 0; i < 3; ++i) |
| 289 | extractor >> dummyd; // Min. |
| 290 | for (size_t i = 0; i < 3; ++i) |
| 291 | extractor >> dummyd; // Max. |
| 292 | for (size_t i = 0; i < 3; ++i) |
| 293 | extractor >> m_scale[i]; |
| 294 | for (size_t i = 0; i < 3; ++i) |
| 295 | extractor >> m_offset[i]; |
| 296 | extractor.get(m_description, 32); |
| 297 | |
| 298 | setType(type); |
| 299 | if (m_type == Dimension::Type::None) |
| 300 | m_size = options; |
| 301 | if (!(options & SCALE_MASK)) |
| 302 | for (size_t i = 0; i < 3; ++i) |
| 303 | m_scale[i] = 1.0; |
| 304 | if (!(options & OFFSET_MASK)) |
| 305 | for (size_t i = 0; i < 3; ++i) |
| 306 | m_offset[i] = 0.0; |
| 307 | } |
| 308 | |
| 309 | |
| 310 | // NOTE: You must make sure that bufsize is a multiple of ExtraBytesSpecSize before calling. |