Sakurai/pdf.js
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Add validation of the rotation argument passed to set pagesRotation in PDFViewer

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*Similar to the validation done when setting page/scale.*
This commit is contained in:
Jonas Jenwald 2016-08-01 15:31:16 +02:00
parent 3a1e794512
commit 50aeb00adf
1 changed files with 6 additions and 0 deletions
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6
web/pdf_viewer.js
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@ -259,8 +259,14 @@ var PDFViewer = (function pdfViewer() {
* @param {number} rotation - The rotation of the pages (0, 90, 180, 270). * @param {number} rotation - The rotation of the pages (0, 90, 180, 270).
*/ */
set pagesRotation(rotation) { set pagesRotation(rotation) {
if (!(typeof rotation === 'number' && rotation % 90 === 0)) {
throw new Error('Invalid pages rotation angle.');
}
this._pagesRotation = rotation; this._pagesRotation = rotation;
if (!this.pdfDocument) {
return;
}
for (var i = 0, l = this._pages.length; i < l; i++) { for (var i = 0, l = this._pages.length; i < l; i++) {
var pageView = this._pages[i]; var pageView = this._pages[i];
pageView.update(pageView.scale, rotation); pageView.update(pageView.scale, rotation);