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21 cze 2020 · I have used pdf.js to view a pdf in a web-browser. Also, window.getSelection() to get the selected text. However, I want to get the pdf point or x, y coordinates of the selection, so that I can save them coordinates and use it to scan similar pdfs and extract text. How can I do that?
Viewer page coordinates. When reading or writing annotation locations in PDF.js Express these values are in viewer coordinates. The (0, 0) point is located at the top left of the page. The x axis extends horizontally to the right and the y axis extends vertically downward.
Learn how to get & convert PDF coordinates using JavaScript. Understand the difference between PDF page coordinates and viewer page coordinates for accurate location handling.
This tutorial shows how PDF.js can be used as a library in a web browser. examples/ provides more examples, including usage in Node.js (at examples/node/). Document. The object structure of PDF.js loosely follows the structure of an actual PDF. At the top level there is a document object.
The string received by the loadPageText callback function can be used by the getTextPosition function to get the position of individual character on a page. This can be useful for creating annotations on top of text.
4 mar 2021 · const rect = instance.docViewer.getExactViewportRegionRect(instance.docViewer.getCurrentPage()) Which gets the current coordinates of the viewport. To get the center point, you just need to divide the x2 and y2 values by two. Let me know if you have any other questions!
13 lut 2022 · Hello, I would like to use pdf js to retrieve the coordinate of a click in a document. I tried embedding the PDF in an Iframe but obviously it doesn’t work. Would it be possible to develop this “simple” functionality in javascript with the free version?
