Some test text!

Discord Logo

Chat with us

PDFTron is now Apryse, learn more here.

Web / Guides / Freeform rotation


PDFTron is now Apryse, learn more here.

Freeform rotation for annotations

Line, Polygon, Polyline, Freehand, Ellipse, Rectangle, Stamp, FreeText annotations show a rotation control when selected. This control handle lets the user rotate the annotation with a full range (360 degrees).


Disabling freeform rotation

By default, freeform rotation is enabled for all Line, Polyline, Polygon or Freehand annotations. In order to disable it, the following can be done:

  .then(instance => {
    const { annotationManager } = instance.Core;

    annotationManager.addEventListener('annotationChanged', (annotations, action) => {
      if (action === 'add') {
        annotations.forEach((annotation) => {

Get the answers you need: Support