iOS Default font is wrong
Stephen F Northover
steve.x.northover at oracle.com
Tue Oct 29 11:32:24 PDT 2013
I was going to create a dummy control (say a Button) and ask for the
font. Just an idea.
On 2013-10-29 2:18 PM, Felipe Heidrich wrote:
> The code Richard sent is creating a dummy font and asking for its size.
> The problem is that there are about 3 thousand different fonts on the Mac ;-)
> Here we are creating a CTFont. For Mac OS X most native apps probably would be using a NSFont (cause that is what cocoa controls take). Likewise on iOS I think the "common" font is UIFont (cause I think that is what UIKIt controls take).
> Could anyone fire up Xcode, create a dummy iOS app, create a UIFont and see what is the size ?
> On Oct 29, 2013, at 8:40 AM, Stephen F Northover <steve.x.northover at oracle.com> wrote:
>> If the OS is reporting the wrong value for the default a classic trick is to create a dummy control that normally has the font we want and query that.
>> On 2013-10-29 11:21 AM, Richard Bair wrote:
>>> Hi guys,
>>> The default font for iOS is supposed to be System Bold 15 (according to http://stackoverflow.com/questions/17325152/what-size-font-is-the-title-in-a-default-uibutton anyway), and it does look more correct to me. Our code is getting to this native method in MacFontFinder.c
>>> JNIEXPORT jfloat JNICALL Java_com_sun_javafx_font_MacFontFinder_getSystemFontSize
>>> (JNIEnv *env, jclass obj)
>>> CTFontRef font = CTFontCreateUIFontForLanguage(
>>> 0.0, //get system font with default size
>>> jfloat systemFontDefaultSize = (jfloat) CTFontGetSize (font);
>>> return systemFontDefaultSize;
>>> However it appears the return value is 13 instead of 15 (and I don't know what the actual default font family / weight is that we're returning). It is possible the answer coming from this native API call is "wrong". Any ideas?
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