| 1 | const SMART_LAYOUT_COLOR = "var(--presentation-smart-layout)"; |
| 2 | |
| 3 | export function getSmartLayoutStepColor(index: number, total: number) { |
| 4 | if (total <= 1) { |
| 5 | return SMART_LAYOUT_COLOR; |
| 6 | } |
| 7 | |
| 8 | const progress = index / (total - 1); |
| 9 | |
| 10 | if (progress < 0.5) { |
| 11 | const darken = Math.round((1 - progress / 0.5) * 10); |
| 12 | return `color-mix(in srgb, ${SMART_LAYOUT_COLOR} ${100 - darken}%, black ${darken}%)`; |
| 13 | } |
| 14 | |
| 15 | if (progress > 0.5) { |
| 16 | const lighten = Math.round(((progress - 0.5) / 0.5) * 10); |
| 17 | return `color-mix(in srgb, ${SMART_LAYOUT_COLOR} ${100 - lighten}%, white ${lighten}%)`; |
| 18 | } |
| 19 | |
| 20 | return SMART_LAYOUT_COLOR; |
| 21 | } |
| 22 |