[PD] Pd internal font size inconsistency on Raspbian

[katja]

On Thu, Oct 8, 2015 at 12:23 AM, Jonathan Wilkes <jancsika at yahoo.com> wrote:
> Ok, try this in place of the command that was giving the error:
> pdtk_post "rank tk speculation follows: [font actual [get_font_for_size
> $font_size] -displayof $tkcanvas]\n"
>

There you got it, inspector Wilkes! For Xubuntu the output is:

rank tk speculation follows: -family {DejaVu Sans Mono} -size -10
-weight normal -slant roman -underline 0 -overstrike 0

For Raspbian:

rank tk speculation follows: -family {DejaVu Sans Mono} -size -11
-weight normal -slant roman -underline 0 -overstrike 0

In both cases the font size menu says "10".

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> On Wednesday, October 7, 2015 4:33 PM, Jonathan Wilkes via Pd-list
> <pd-list at lists.iem.at> wrote:
>
>
> Sorry, I thought that would work.  I'll sit down and wade through all the
> indirection later to get a working debug printout.
>
> -Jonathan
>
>
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> On Wednesday, October 7, 2015 4:26 PM, katja <katjavetter at gmail.com> wrote:
>
>
> On Wed, Oct 7, 2015 at 9:40 PM, Jonathan Wilkes <jancsika at yahoo.com> wrote:
>> For the official record-- I'm holding my tongue, in the hopes that when
>> others look at the code
>> in my GUI port they'll practice similar restraint.
>>
>> Ok, add this:
>>
>> pdtk_post "for real this time-- the actual font we are sending to tk is:
>> [set [get_font_for_size $font_size]]\n"
>
> Pd list is now looking at a line that doesn't work. The error is:
>
> can't read "::pd_font_10": no such variable
>
>
>
>
>> -Jonathan
>>
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>> On Wednesday, October 7, 2015 3:19 PM, katja <katjavetter at gmail.com>
>> wrote:
>>
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>> On Wed, Oct 7, 2015 at 8:37 PM, Jonathan Wilkes <jancsika at yahoo.com>
>> wrote:
>>> Silly me, I forgot this is Pd so it has to be way more complex than
>>> that...
>>>
>>> Add this line to pdtk_text_new in pdtk_text.tcl:
>>>
>>> pdtk_post "the actual font we are sending to tk is: [get_font_for_size
>>> $font_size]\n"
>>>
>>> Now do the test I mentioned before.
>>
>> The answer is in both cases:
>>
>> "the actual font we are sending to tk is: ::pd_font_10"
>>
>>
>>
>>> -Jonathan
>>>
>>>
>>>
>>> On Wednesday, October 7, 2015 2:16 PM, Jonathan Wilkes via Pd-list
>>> <pd-list at lists.iem.at> wrote:
>>>
>>>
>>> Hi katja,
>>>
>>> Could you do a test?  Make a simple patch with a single object in it, and
>>> use the same canvas font size you did above.  Then run Pd with -d 3 flag
>>> and
>>> see what font size is actually being sent from Pd to the GUI on each
>>> distro.
>>>
>>> -Jonathan
>>>
>>>
>>>
>>>
>>>
>>> On Wednesday, October 7, 2015 12:28 PM, katja <katjavetter at gmail.com>
>>> wrote:
>>>
>>>
>>> Hello,
>>>
>>> A particular font size issue can be observed in vanilla Pd and package
>>> puredata on Raspbian Wheezy and Jessie: font size 10 is larger for
>>> object boxes, message boxes and comments than for IEM guis (bang,
>>> toggle, slider, radio button, canvas). Object/message/comment
>>> characters are too large in number of pixels. When Edit > Font > Font
>>> Size is set to 8, their size is identical to IEM gui font size 10.
>>> This inconsistency does not happen for me on Xubuntu. A test patch and
>>> two screenshots are attached for illustration.
>>>
>>> For IEM guis, font size 10 translates to 6 pixels per character on
>>> both systems, given the default font type DejaVu Sans Mono. For object
>>> boxes, message boxes and comments, font size 10 is 6 pixels on Xubuntu
>>> and almost 7 pixels on Raspbian.
>>>
>>> I don't know if this issue is related to font size effects on Windows
>>> as described by Roman in another thread. In any case, consequences are
>>> similar: patches created on Xubuntu tend to look messy on Raspbian,
>>> sometimes with overlapping texts. With XFCE (Xubuntu's default desktop
>>> environment) installed on Raspbian the issue still persists. Custom
>>> dpi setting has no effect on Pd. What else might cause the difference
>>> in behavior on those systems?
>>>
>>> Katja
>>>
>>> _______________________________________________
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>>>
>>>
>>>
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>>>
>>
>>
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