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Alternative to NSGraphicsContext graphicsContextWithGraphicsPort:flipped:
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Alternative to NSGraphicsContext graphicsContextWithGraphicsPort:flipped:


  • Subject: Alternative to NSGraphicsContext graphicsContextWithGraphicsPort:flipped:
  • From: Duncan McGregor <email@hidden>
  • Date: Wed, 1 Jul 2009 20:51:44 +0100

Hi

I'm writing PDF's with RubyCocoa, and want to set the current graphics context to a PDF context from CGPDFContextCreateWithURL so that I can draw on it.

Essentially my code says (sorry, ObjC folks, Ruby follows)

@pdf_context = CGPDFContextCreateWithURL(pdf_url, CGRectMake(0, 0, 100, 100), nil)
.....
NSGraphicsContext.saveGraphicsState
nscontext = NSGraphicsContext .graphicsContextWithGraphicsPort_flipped(@pdf_context, true)
NSGraphicsContext.setCurrentContext(nscontext)


My problem is that graphicsContextWithGraphicsPort:flipped: crashes RubyCocoa. It's a known issue, and has been fixed, but not shipped in 10.5.7

Can anyone suggest any workarounds that could get the pdf_context current?

Thanks in anticipation

Duncan McGregor
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