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Re: CGImageRef printing issue
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Re: CGImageRef printing issue


  • Subject: Re: CGImageRef printing issue
  • From: Mirko Viviani <email@hidden>
  • Date: Thu, 12 Nov 2009 23:26:12 +0100

On 12/ago/2009, at 21.30, David Duncan wrote:

>> From my experience on Windows, DPIHeight and DPIWidth are properties of the
>> display device the image is drawn on, and not properties of the image
>> itself.
>
> They are properties of both. In the case of printing, you are using a fixed grid at 72 PPI. Your source image of course has its own DPI that determines the actual size of the image in real world units. You combine the two to print or display an image at its natural size.

Do you mean that there is no way to print an image using a grid of 300 PPI with Cocoa/Quartz?
If not, why? Alternatives?

--
Ciao,
Mirko

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