noctua/docs/usage.md

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# Usage
## Keyboard Shortcuts
### Navigation
| Key | Action | Status |
|:------|:------------------|:--------|
| `←` | Previous document | working |
| `→` | Next document | working |
### Transformations
| Key | Action | Status |
|:------------|:-------------------------------|:--------|
| `H` | Flip horizontal | working |
| `V` | Flip vertical | working |
| `R` | Rotate clockwise (90°) | working |
| `Shift + R` | Rotate counter-clockwise (90°) | working |
### Zoom
| Key | Action | Status |
|:----------|:---------------------------|:--------|
| `+` / `=` | Zoom in | partial |
| `-` | Zoom out | partial |
| `1` | Reset zoom (100% / actual) | working |
| `F` | Fit image to window | working |
### Pan
| Key | Action | Status |
|:-----------|:-------------------|:--------------------|
| `Ctrl + ←` | Pan left | not yet implemented |
| `Ctrl + →` | Pan right | not yet implemented |
| `Ctrl + ↑` | Pan up | not yet implemented |
| `Ctrl + ↓` | Pan down | not yet implemented |
| `0` | Reset pan (center) | not yet implemented |
### Modes
| Key | Action | Status |
|:----|:-----------------------|:--------------------|
| `C` | Toggle crop mode | not yet implemented |
| `S` | Toggle scale mode | not yet implemented |
| `A` | Toggle anotation mode | not yet implemented |