Point data is typically cached on the native side. On the RN side, you fetch data on demand via an accessor.Documentation Index
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| Method | Returns | Description |
|---|---|---|
size() | Promise<number> | Get the dataset length |
get(index) | Promise<T | null> | Get the item at index |
getRange(startIndex, count) | Promise<T[]> | Get a range of items |
add(index, value) | Promise<boolean> | Insert an item at a specified position (clears cache on success) |
set(index, value) | Promise<boolean> | Overwrite the item at index (clears cache on success) |
setRange(index, endIndex, valueArray) | Promise<boolean> | Overwrite a range of items (clears cache on success) |
clearCache() | void | Clear the RN-side cache |
getCacheStats() | { cachedCount: number; totalSize: number } | Get cache stats |
preload(startIndex, count) | Promise<void> | Preload a range into cache |
isCached(index) | boolean | Whether an item is already cached |
ElementPointDataType
Point data types exposed byElementDataAccessor (enum).
| Enum | Value | Description |
|---|---|---|
ElementPointDataType.ANGLE_POINT | 0 | angle points |
ElementPointDataType.CONTOUR_POINT | 1 | contour points |
ElementPointDataType.STROKE_SAMPLE_POINT | 2 | strokesample points |
ElementPointDataType.STROKE_PRESSURE_POINT | 3 | stroke pressure points |
ElementPointDataType.ERASE_LINE_DATA | 4 | erase line data |
ElementPointDataType.WRITE_FLAG | 5 | write flag |
ElementPointDataType.MARK_PEN_DIRECTION | 6 | marker pen direction |
ElementPointDataType.RECOGNITION_DATA_POINT | 7 | recognition data points |