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Update the "pageviewer" example to account for the previous patches

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This uses a simple version number check, to prevent breakage if the example is used with older PDF.js versions.
This commit is contained in:
Jonas Jenwald 2022-12-07 12:18:05 +01:00
parent 8b8d890064
commit d9cdc46f84
1 changed files with 15 additions and 0 deletions
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15
examples/components/pageviewer.js
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@ -51,6 +51,21 @@ const loadingTask = pdfjsLib.getDocument({
const pdfDocument = await loadingTask.promise; const pdfDocument = await loadingTask.promise;
// Document loaded, retrieving the page. // Document loaded, retrieving the page.
const pdfPage = await pdfDocument.getPage(PAGE_TO_VIEW); const pdfPage = await pdfDocument.getPage(PAGE_TO_VIEW);
const match = /^(\d+)\.(\d+)\.(\d+)$/.exec(pdfjsLib.version);
if (match && (match[1] | 0) >= 3 && (match[2] | 0) >= 2) {
// Creating the page view with default parameters.
const pdfPageView = new pdfjsViewer.PDFPageView({
container,
id: PAGE_TO_VIEW,
scale: SCALE,
defaultViewport: pdfPage.getViewport({ scale: SCALE }),
eventBus,
});
// Associate the actual page with the view, and draw it.
pdfPageView.setPdfPage(pdfPage);
return pdfPageView.draw();
}
// Creating the page view with default parameters. // Creating the page view with default parameters.
const pdfPageView = new pdfjsViewer.PDFPageView({ const pdfPageView = new pdfjsViewer.PDFPageView({
container, container,