iphone - How to get actual pdf page size in iPad?

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

How can I get PDF page width and height in iPad? Any document or suggestions on how I can find this information?

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1 Answer

深蓝 · Answer 1 · 2021-10-23T17:53:51+0000

I was using the answers here until I realised a one-liner for this

CGRect pageRect = CGPDFPageGetBoxRect(pdf, kCGPDFMediaBox);
// Which you can convert to size as
CGSize size = pageRect.size;

Used in Apple's sample ZoomingPDFViewer app