How can I detect the fontsize of a character in a pdf document using javascript

Forum|Forum|7 years ago
March 10, 2018
2 replies
835 views

I would like to automatically identify and edit the headlines of pdf text documents (newspaper articles). As the fontsize of headlines use to be larger than the text body, I could identify the beginning and the end of a headline by screening the fontsize changes of characters. Unfortunatelly I have not yet found a javascript method of dectecting fontsizes, while this information is provided in the UI - even for proprietary fonts. Can anybody help?

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Correct answer Thom Parker

Use the "doc.getPageNthWordQuads()" function. It returns 4 points, one for each corner of the bounding box of a word on the page. The height of this box is the font size.

try67

Community Expert

You can't edit static text using a script, though. Not directly, anyway.

Thom Parker

Correct answer

Community Expert

Use the "doc.getPageNthWordQuads()" function. It returns 4 points, one for each corner of the bounding box of a word on the page. The height of this box is the font size.

Thom Parker - Software Developer at PDFScriptingUse the Acrobat JavaScript Reference early and often

A

andreasw43969493Author

Participant

Many thanks for this advice. It works perfectly.

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