Zooming

ComPDF for Web provides super zoom out and in to unlock more zoom levels, and pinch-to-zoom or double tap on the specific area to perform a smart page content analysis, or you can programmatically interact with it by using the following method.

Use the following methods to zoom in/out by a certain zoom value or scale.

// Zoom in.
instance.UI.setZoomLevel(documentViewer.getZoomLevel() * 1.25);

// Zoom out.
instance.UI.setZoomLevel(documentViewer.getZoomLevel() / 1.25);

// Scale changed.
instance.UI.setZoomLevel(scale);

Name	Required	Type	Description
scale	yes	number | string	Zoom level, 1 or '100%' means 100%. Range: 0.05 to 10