| 58 | |
| 59 | |
| 60 | void |
| 61 | Palette::updateThumbnail(void) |
| 62 | { |
| 63 | int i, j; |
| 64 | int index; |
| 65 | QRgb rgb; |
| 66 | /* Compose thumbnail */ |
| 67 | for (i = 0; i < SIGDIGGER_PALETTE_THUMB_WIDTH; ++i) { |
| 68 | index = ((SIGDIGGER_PALETTE_MAX_STOPS - 1) * i) |
| 69 | / (SIGDIGGER_PALETTE_THUMB_WIDTH - 1); |
| 70 | |
| 71 | rgb = this->gradient[static_cast<unsigned>(index)].rgb(); |
| 72 | |
| 73 | for (j = 0; j < SIGDIGGER_PALETTE_THUMB_HEIGHT; ++j) |
| 74 | this->thumbnail.setPixel(i, j, rgb); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | void |
| 79 | Palette::compose(void) |