| 17 | |
| 18 | |
| 19 | bool map2colour::begin(float * values, uint32_t * colourMap) |
| 20 | { |
| 21 | // split colour map in channels |
| 22 | if (colourMap != NULL) |
| 23 | { |
| 24 | for (int i = 0; i < 7; i++) |
| 25 | { |
| 26 | uint32_t val = colourMap[i]; |
| 27 | _Blue[i] = val & 0xFF; |
| 28 | val >>= 8; |
| 29 | _Green[i] = val & 0xFF; |
| 30 | val >>= 8; |
| 31 | _Red[i] = val & 0xFF; |
| 32 | } |
| 33 | } |
| 34 | _values = values; |
| 35 | for (int index = 1; index < 7; index++) |
| 36 | { |
| 37 | // catch non increasing values. |
| 38 | float den = _values[index] - _values[index - 1]; |
| 39 | if (den <= 0.0) return false; |
| 40 | } |
| 41 | return true; |
| 42 | } |
| 43 | |
| 44 | |
| 45 | uint32_t map2colour::map2RGB(float value) |