[cairo] how to get text size ?

Adrian Johnson ajohnson at redneon.com
Sat Jul 9 12:18:39 UTC 2016

On 09/07/16 20:02, Enrico Weigelt, metux IT consult wrote:
> On 08.07.2016 15:04, Stefan Salewski wrote:
>> Maybe I miss something, but when I type "cairo text" in google I get
>> this proposal at the top
>> https://cairographics.org/manual/cairo-text.html#cairo-text-extents
> that only gives me usable width - the height is really strange:
> for strings it gives 0, for others 6 (i'm using font sizes 20 and 30)
> --mtx

I don't know why you are getting the unusual results for height. A test
case would help us identify the cause. But for text height usually the
font height is better value to use (see cairo_scaled_font_extents).

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