> On 15 Jan 2016, at 10:42 PM, Andreas Höschler <ahoe...@smartsoft.de> wrote:
> 
> But how does NSBitmapImageRep know which pixel resolution to choose? How does 
> it derive Pixels=1702x1798  when I create the imageRep with a {{0, 0}, {851, 
> 899} rect


It has a ‘size’ property which can be different fron the ‘pixelsWide' and 
‘pixelsHigh' properties. The ratio of these defines the resolution.

—Graham



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