https://bugs.documentfoundation.org/show_bug.cgi?id=160594
Bug ID: 160594
Summary: SVG import: wrong calculation of tspan's font-size
using ex
Product: LibreOffice
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: filters and storage
Assignee: [email protected]
Reporter: [email protected]
Created attachment 193581
--> https://bugs.documentfoundation.org/attachment.cgi?id=193581&action=edit
ex units
The attached SVG has this markup:
<text x="5" y="20" style="font-size:16px;font-family:Liberation Sans">foo
<tspan x="5" dy="3ex" style="font-size:1ex">bar</tspan></text>
It sets the outer (text's) font-size to 16px, then in the inner tspan, it sets
the font-size to 1ex, and dy to 3ex. According to spec, the font-size value of
the tspan must be calculated as 1 x-height of the first available font with
inherited font-size, with a fallback to 0.5em (i.e., roughly half of 16px).
When opening the SVG in a browser (e.g., Chrome), the second line "bar" is
rendered with a smaller size than the first line. In Draw, the second line is
incorrectly rendered using the same font size as the first line.
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