Am 07.10.2014 um 15:58 schrieb Jürgen Spitzmüller <sp...@lyx.org>:

> 2014-10-07 15:44 GMT+02:00 Jean-Marc Lasgouttes:
> Le 07/10/2014 13:10, Jürgen Spitzmüller a écrit :
> In that case, we could probably set up a script that generates those @2x
> icons (as well as icons of diverse size) from the SVG. This could also
> be used in order to generate bigger icons for other purposes (think
> tablet UI).
> 
> Why not use directly the svg versions? Is it bad in terms of performance?
> 
> If this is possible with the Qt HDPI approach (i.e., if it does not requires 
> those @2x icon bitmap files). I have not checked that, but if I understand 
> this correctly, it should be possible:
> http://blog.qt.digia.com/blog/2013/04/25/retina-display-support-for-mac-os-ios-and-x11/
> 
> Quote:
> 
> "As we have seen, raster content won’t look nice when scaled and 
> high-resolution content should be provided. As an app developer you have two 
> options: (ignoring the “do-nothing” option)
>       • Replace existing raster content with a high-resolution version
>       • Provide separate high-resolution content
> The first option is convenient since there is only one version of each 
> resource. However, you may find (or your designer will tell you) that 
> resources like icons look best when created for a specific resolution. To 
> facilitate this, Qt as adopted the “@2x” convention for image filenames:"
> 
> SVG would be "first option", no?

Yes, I think so.

The nice effect of using the “@2x” convention is the assignment of the correct
devicePixelRation to the images Qt creates that way.

Stephan

Reply via email to