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Home/ Questions/Q 1001253
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Editorial Team
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Editorial Team
Asked: May 16, 20262026-05-16T07:38:27+00:00 2026-05-16T07:38:27+00:00

On the iPad, I need to render a large pdf (more than 1gb). For

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On the iPad, I need to render a large pdf (more than 1gb). For this I use Quartz.

Now everything works fine except the quality of included pdf in my pdf.

I’m using CGContextDrawPDFPage to render the pdf into the UIView context (in drawRect).

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  1. Editorial Team
    Editorial Team
    2026-05-16T07:38:28+00:00Added an answer on May 16, 2026 at 7:38 am

    Found it.

    CGContextSetInterpolationQuality(ctx, kCGInterpolationHigh);
    

    Before drawing the pdf page and everything is fine.

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