kicad-developers team mailing list archive

[Seth Hillbrand <seth@xxxxxxxxxxxxx>]

OK.  Then, you should be able to scale the cairo context by 0.5 and draw
individual pixels instead of 2x2 blocks.

-S

Am Di., 28. Aug. 2018 um 10:35 Uhr schrieb Jeff Young <jeff@xxxxxxxxx>:

> Scratch that last comment; I got myself tied in knots.
>
> It is Cairo that renders blocky.
>
>
> On 28 Aug 2018, at 18:29, Jeff Young <jeff@xxxxxxxxx> wrote:
>
> Interesting.  It’s not Cairo.
>
> We currently have EDA_DRAW_PANEL_GAL hard-coded to OpenGL, so it’s
> actually OpenGL that’s rendering blocky….
>
>
> On 28 Aug 2018, at 18:11, Jeff Young <jeff@xxxxxxxxx> wrote:
>
> Hi Seth,
>
> The scaling comes out correct, it’s just blocky.
>
> Is there some way to adjust what Cairo thinks the screen resolution is and
> then re-scale the canvas so that everything comes out the same again?  I
> don’t know.
>
> Cheers,
> Jeff.
>
>
> On 28 Aug 2018, at 18:06, Seth Hillbrand <seth@xxxxxxxxxxxxx> wrote:
>
> Can we just use cairo_scale to adjust the axes for Mac retina?
>
> -S
>
> Am Di., 28. Aug. 2018 um 09:59 Uhr schrieb Jeff Young <jeff@xxxxxxxxx>:
>
>> JP made the Footprint Wizard Cairo-only recently, and I planned to do the
>> same for the Eeschema dialog previews.
>>
>> However, I’ve just discovered that Cairo doesn’t handle Retina displays
>> on Mac.  (It essentially draws blocks of 2x2 pixels instead of individual
>> ones.)
>>
>> Anyone know if this is something we can fix, or if we need to use OpenGL
>> on Mac?
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