[Interest] Use Book and Medium weight Gotham font from QML?
Elvis Stansvik
elvstone at gmail.com
Mon Apr 4 16:39:09 CEST 2016
2016-04-04 16:32 GMT+02:00 Elvis Stansvik <elvstone at gmail.com>:
> 2016-04-04 16:21 GMT+02:00 Elvis Stansvik <elvstone at gmail.com>:
>> 2016-04-04 15:51 GMT+02:00 Elvis Stansvik <elvstone at gmail.com>:
>>> Hi all,
>>>
>>> I'm targeting Qt 5.4.1 and it seems there's no Font.Medium enumeration
>>> value there? I get:
>>>
>>> Unable to assign [undefined] to int
>>>
>>> The font we're using for this app is our company font, which is Gotham
>>> from Hoefler & Co. The weights we need in the UI are Book and Medium,
>>> each defined in its own .otf (but under the same family name
>>> "Gotham"), as shown by the fc-scan output below:
>>>
>>> estan at newton:~$ fc-scan Gotham-Book.otf
>>> Pattern has 22 elts (size 32)
>>> family: "Gotham"(s) "Gotham Book"(s)
>>> familylang: "en"(s) "en"(s)
>>> style: "Book"(s) "Regular"(s)
>>> stylelang: "en"(s) "en"(s)
>>> fullname: "Gotham-Book"(s)
>>> fullnamelang: "en"(s)
>>> slant: 0(i)(s)
>>> weight: 50(i)(s)
>>> width: 100(i)(s)
>>> foundry: "unknown"(s)
>>> file: "Gotham-Book.otf"(s)
>>> index: 0(i)(s)
>>> outline: True(s)
>>> scalable: True(s)
>>> charset:
>>> 0000: 00000000 ffffffff ffffffff 7fffffff 00000000 ffdfcfaf
>>> ffffffff ffffffff
>>> 0001: cffffcff fec3fccf cffff1ff 7ffffc3f 00040000 00000000
>>> 00000000 fc000000
>>> 0002: 03000000 00000000 02000000 00000000 00000000 00000000
>>> 3f0000c0 00000000
>>> 0003: 00000000 00000040 00000000 00000000 00000000 00000000
>>> 00000000 00000000
>>> 000e: 00000000 80000000 00000000 00000000 00000000 00000000
>>> 00000000 00000000
>>> 001e: 00000000 00000000 00000000 00000000 0000003f 00000000
>>> 00000000 000c0000
>>> 0020: 771806bc 06010047 00000010 03f10000 000003ff 00021742
>>> 00000000 00000000
>>> 0021: 00800000 00000005 7ff80000 00000000 00000000 00000000
>>> 00000000 00000000
>>> 0022: 00040000 00000000 00000000 00000000 00000000 00000000
>>> 00000000 00000000
>>> 00fb: 0000001f 00000000 00000000 00000000 00000000 00000000
>>> 00000000 00000000
>>> (s)
>>> lang: aa|ay|bi|br|bs|ca|ch|co|cs|cy|da|de|en|es|et|eu|fi|fj|fo|fr|fur|fy|gd|gl|gv|ho|hr|hu|ia|id|ie|io|is|it|la|lb|lt|lv|mg|mh|mt|nb|nds|nl|nn|no|nr|nso|ny|oc|om|pl|pt|rm|sk|sl|sma|smj|so|sq|ss|st|sv|sw|tk|tl|tn|tr|ts|uz|vo|vot|wa|wen|xh|yap|zu|an|crh|csb|fil|hsb|ht|jv|kj|ku-tr|kwm|li|ms|ng|pap-an|pap-aw|rn|rw|sc|sg|sn|su|za(s)
>>> fontversion: 144179(i)(s)
>>> capability: "otlayout: otlayout:latn"(s)
>>> fontformat: "CFF"(s)
>>> decorative: False(s)
>>> hash: "sha256:3083f405cb35b16e06d0108836dd6552630c85c7fc5412a5de724e57e6fd7348"(s)
>>> postscriptname: "Gotham-Book"(s)
>>>
>>> estan at newton:~$ fc-scan Gotham-Medium.otf
>>> Pattern has 22 elts (size 32)
>>> family: "Gotham"(s) "Gotham Medium"(s)
>>> familylang: "en"(s) "en"(s)
>>> style: "Medium"(s) "Regular"(s)
>>> stylelang: "en"(s) "en"(s)
>>> fullname: "Gotham-Medium"(s)
>>> fullnamelang: "en"(s)
>>> slant: 0(i)(s)
>>> weight: 80(i)(s)
>>> width: 100(i)(s)
>>> foundry: "unknown"(s)
>>> file: "Gotham-Medium.otf"(s)
>>> index: 0(i)(s)
>>> outline: True(s)
>>> scalable: True(s)
>>> charset:
>>> 0000: 00000000 ffffffff ffffffff 7fffffff 00000000 ffdfcfaf
>>> ffffffff ffffffff
>>> 0001: cffffcff fec3fccf cffff1ff 7ffffc3f 00040000 00000000
>>> 00000000 fc000000
>>> 0002: 03000000 00000000 02000000 00000000 00000000 00000000
>>> 3f0000c0 00000000
>>> 0003: 00000000 00000040 00000000 00000000 00000000 00000000
>>> 00000000 00000000
>>> 000e: 00000000 80000000 00000000 00000000 00000000 00000000
>>> 00000000 00000000
>>> 001e: 00000000 00000000 00000000 00000000 0000003f 00000000
>>> 00000000 000c0000
>>> 0020: 771806bc 06010047 00000010 03f10000 000003ff 00021742
>>> 00000000 00000000
>>> 0021: 00800000 00000005 7ff80000 00000000 00000000 00000000
>>> 00000000 00000000
>>> 0022: 00040000 00000000 00000000 00000000 00000000 00000000
>>> 00000000 00000000
>>> 00fb: 0000001f 00000000 00000000 00000000 00000000 00000000
>>> 00000000 00000000
>>> (s)
>>> lang: aa|ay|bi|br|bs|ca|ch|co|cs|cy|da|de|en|es|et|eu|fi|fj|fo|fr|fur|fy|gd|gl|gv|ho|hr|hu|ia|id|ie|io|is|it|la|lb|lt|lv|mg|mh|mt|nb|nds|nl|nn|no|nr|nso|ny|oc|om|pl|pt|rm|sk|sl|sma|smj|so|sq|ss|st|sv|sw|tk|tl|tn|tr|ts|uz|vo|vot|wa|wen|xh|yap|zu|an|crh|csb|fil|hsb|ht|jv|kj|ku-tr|kwm|li|ms|ng|pap-an|pap-aw|rn|rw|sc|sg|sn|su|za(s)
>>> fontversion: 144179(i)(s)
>>> capability: "otlayout: otlayout:latn"(s)
>>> fontformat: "CFF"(s)
>>> decorative: False(s)
>>> hash: "sha256:bc397773a547218b8c334f9a40ea8e58f55198fab6095b103e598634fe273450"(s)
>>> postscriptname: "Gotham-Medium"(s)
>>>
>>> estan at newton:~/orexplore/doc/GrafiskProfil/Typsnitt/Gotham$
>>>
>>> And I'm loading these as follows:
>>>
>>> Style {
>>> readonly property string mediumFontFamily: __gothamMediumLoader.name
>>> readonly property string regularFontFamily: __gothamBookLoader.name
>>>
>>> property FontLoader __gothamBookLoader: FontLoader {
>>> source: "fonts/Gotham-Book.otf"
>>> }
>>>
>>> property FontLoader __gothamMediumLoader: FontLoader {
>>> source: "fonts/Gotham-Medium.otf"
>>> }
>>>
>>> ...
>>> }
>>>
>>> and trying to use them with:
>>>
>>> Text {
>>> text: "Foo"
>>> font.family: Style.regularFontFamily
>>> font.weight: Font.Normal
>>> }
>>>
>>> Text {
>>> text: "Foo"
>>> font.family: Style.mediumFontFamily
>>> font.weight: Font.Medium
>>> }
>>>
>>> the Font.Normal seems to work okay, it looks like it's giving me the
>>> Book weight from Gotham-Book.otf, which I want. I guess because the
>>> weight is close numerically (?)
>>>
>>> But what do I do with the Medium weight since the enum value is not
>>> available? If I try Font.Bold I seem to get synthetic emboldening,
>>> which I don't want.
>>>
>>> It seems there's some fixes in 5.6 which will let me use
>>> Font.styleName to match a font by style name, which would be a
>>> workaround [1]. But right now I'm stuck with 5.4.1.
>>>
>>> Thanks in advance for any advice.
>>
>> Wait! It seems I've been saved by the Font.DemiBold enum value. If I
>> use Font.DemiBold (which _is_ available in Qt 5.4.1) like this:
>>
>> font.family: "Gotham"
>> font.weight: Font.DemiBold
>>
>> I can get the Medium weight font, I guess since it's the one closest
>> numerically to DemiBold.
>>
>> And I can keep using:
>>
>> font.family: "Gotham"
>> font.weight: Font.Normal
>>
>> to get the Book weight.
>>
>> So, close call, but all is well. Sorry for the noise!
>
> Well bah, was actually working on the wrong machine when testing some
> of the above. So the story now is:
>
> * I can get the Medium weight fine as described above (by specifying
> Font.DemiBold).
> * I can _not_ get the Book weight, specifying Font.Normal (or omitting
> weight completely) gets me Medium :(
>
> So anyone know how I can make it load the Book weight? I can not
> specify Font.Thin, because then it loads the Thin weight font (which I
> also have). My guess is it would work with Thin if uninstall the Thin
> weight font, so that the Book weight would then be the closest one
> numerically. But I can't do that since I actually need to use the Thin
> one in some places :/
I confirmed that removing the Light weight font, I can use Font.Light
to get at the Book weight. But it doesn't solve my problem since I
need to be able to access all three weights (Light, Book, Medium), and
they seem spread out weight-wise in a very bad way such that the
granularity of the Font weight enum in Qt 5.4.1 is not sufficient to
access them all :/
Elvis
>
> Elvis
>
>>
>> Elvis
>>
>>>
>>> Elvis
>>>
>>> [1] https://codereview.qt-project.org/#/c/112676/
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