kicad-developers team mailing list archive

[Wayne Stambaugh <stambaughw@xxxxxxxxx>]

On 3/1/2017 2:51 PM, Jon Evans wrote:
> I think in the "real world" people usually solve this by either using
> vector icons or (more commonly I think) using icon formats that store a
> number of different resolutions (16x16, 32x32, 48x48, etc) and picking
> the best one based on the screen DPI.  (This is how Android works).

This is also what osx recommends as well.  This means we would have to
provide an image library (or libraries) with the appropriately sized
images.  This is not a trivial amount of work.  I'm guessing if we are
clever enough we could have cmake generate the image library and update
it any time the vector image is changed rather than the manual operation
we currently perform to update images.  It may be that wxWidgets works
this way as well.  I know that wxWidgets supports the concept of image
bundles so there may be some way to tell wxWidgets to map the correct
image size based on the display resolution without having to write the
code to do it ourselves.

> 
> The upside is that this lets you make the icons look good at any resolution.
> The downside is that now you have to draw 2-3 icons instead of one for
> each function...
> 
> -Jon
> 
> On Wed, Mar 1, 2017 at 2:45 PM, Julius Schmidt <aiju@xxxxxxxxxx
> <mailto:aiju@xxxxxxxxxx>> wrote:
> 
>     I have a 2560x1440 14" display here. I have no idea what wxWidgets
>     queries
>     for "system dpi" (I'm running dwm), but I've tested the icon scaling
>     setting.
> 
>     Since it just scales the bitmaps it looks pretty terrible on this
>     display (even on the lowest scaled setting, 1.5).
>     Obviously vectorised icons would be best but maybe a better scaling
>     algorithm could make it less painful.
> 
> 
>     On Wed, 1 Mar 2017, Wayne Stambaugh wrote:
> 
>         On 3/1/2017 11:15 AM, jp charras wrote:
> 
>             Le 01/03/2017 à 15:05, Wayne Stambaugh a écrit :
> 
>                 I'm OK with making the menu icons a user option rather
>                 than a build time
>                 option.  I really don't have a preference on this issue
>                 so give the
>                 people what they want.
> 
>                 The bitmap scaling is a separate issue and needs to be
>                 tested by users
>                 with high dpi displays.  I don't recall anyone reporting
>                 back on this
>                 yet.  I suppose we could make it a build config option
>                 and have some
>                 custom builds available for users to test but I don't
>                 want to make this
>                 a default until we have some input.
> 
> 
>             I could commit the menu icons on/off as user option.
> 
> 
>         I am fine with that if there are no objections.
> 
> 
>             The bitmap scaling needs to be tested, and is not yet ready
>             for use, just suitable only for tests.
>             (It needs more work before committing)
> 
> 
>         If you know anyone who has a high dpi display, please give them
>         a nudge
>         to test this.  We are getting quite a few users who are using
>         high dpi
>         displays so we need to address this sooner rather than later.
> 
> 
> 
>                 On 3/1/2017 7:06 AM, Fabrizio Tappero wrote:
> 
>                     Hi Guys,
>                     I do not have a HDPI monitor but I just would like
>                     to add that in my
>                     opinion it might be a good idea to have the option
>                     of showing and not
>                     showing menu icons.
> 
>                     Regarding the resizing I have no opinion.
> 
>                     Cheers
>                     Fabrizio
> 
> 
> 
> 
>                     On Mon, Feb 27, 2017 at 4:34 PM, Wayne Stambaugh
>                     <stambaughw@xxxxxxxxx <mailto:stambaughw@xxxxxxxxx>
>                     <mailto:stambaughw@xxxxxxxxx
>                     <mailto:stambaughw@xxxxxxxxx>>> wrote:
> 
>                         On 2/21/2017 11:48 AM, Mark Roszko wrote:
>                        > Ah.
>                        >
>                        > I had a better patch for this but I never
>                     submitted that scales the
>                        > icons 100% to intended size regardless of the
>                     display DPI without the
>                        > need for "size scale options".
>                        >  wxWidgets has the functions to calcuate the
>                     correct scale, it's just
>                        > not exposed
>                        > to fix bitmaps in 3.0 but its in 3.1. I wrote a
>                     simple patch to make it
>                        > work in 3.0.
>                        >
>                        > I'll have to go dig it up somewhere
> 
>                         Mark,
> 
>                         If you have a better solution for these please
>                     forward it so we can take
>                         a look at it.
> 
>                         Has anyone with a high dpi monitor had a chance
>                     to test this yet?  If so
>                         please give us some feedback.
> 
>                         Of course I would be more than willing to accept
>                     the donation of a high
>                         dpi computer to work on this issue. :)
> 
>                         Thanks,
> 
>                         Wayne
> 
> 
> 
> 
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