kicad-developers team mailing list archive

[Oliver Walters <oliver.henry.walters@xxxxxxxxx>]

Orson,

If you're willing to have a look at this feature I'd appreciate it. I have
no knowledge of the OpenGL GAL so it would be much quicker if you could
implement it :)

On 23 Jun 2017 08:23, "Maciej Suminski" <maciej.suminski@xxxxxxx> wrote:

> Hi Oliver,
>
> I have mixed feelings about this patch. This approach is ok for Cairo
> and non-cached targets in OpenGL, for cached targets it will still draw
> a line that is dependent on the zoom level.
>
> Ideally, the problem could be solved with shaders. I can give you some
> hints if you want to tackle this, otherwise I may try to code it myself
> next week.
>
> Regards,
> Orson
>
> On 06/22/2017 03:44 PM, Oliver Walters wrote:
> > This patch adds zoom-independent fixed-width line rendering to GAL.
> >
> > GAL drawing tools can call SetFixedLineWidth( width ) to draw a line that
> > is the same width on screen (pixels) independent of the zoom level.
> >
> > I have implemented this in two locations:
> >
> > a) PCB_BRIGHTBOX - the selection clarification bright-box is very thin at
> > wide zoom, and very wide at narrow zoom. Now it is 3 pixels thick at all
> > zoom
> >
> > b) RATS_NEST - Increased this to 2 pixels wide, it is much easier to see!
> >
> >
> >
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