PDFViewer.setScale()
Set zoom level (1.0 = 100%). The same scale again changes nothing. The pages are redrawn at the new scale a moment after the call returns.
methodZoomsince 1.0.0
Signature
setScale(scale: number, anchor?: { clientX: number; clientY: number }): void
Parameters
| Parameter | Type | Description |
|---|---|---|
| scale | number | The zoom level (1.0 = 100%). A positive number. |
| anchor? | { clientX: number; clientY: number } | Keeps the point under it in place; without it, the middle of the view. |
Returns
void
Throws
INVALID_ARGUMENTfor a scale that is not a positive number.INVALID_STATEafterdestroy().
Example
TypeScript
viewer.setScale(1.5);