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mglyph -> mtext broke some images #1208

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Merged
rocky merged 1 commit into from
Mar 29, 2021
Merged

mglyph -> mtext broke some images #1208

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9 changes: 5 additions & 4 deletions mathics/builtin/graphics.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3226,14 +3226,15 @@ def boxes_to_xml(self, leaves=None, **options):
svg,
)

return (
'<mtext><img width="%dpx" height="%dpx" src="data:image/svg+xml;base64,%s"/></mtext>'
% (
# mglyph, which is what we have been using, is bad because MathML standard changed.
# metext does not work beacause the way in which we produce the svg images is also based on this outdated mglyph behaviour.
# format = "<mtext><img width="%dpx" height="%dpx" src="data:image/svg+xml;base64,%s"/></mtext>"
template = '<mglyph width="%dpx" height="%dpx" src="data:image/svg+xml;base64,%s"/>'
return template % (
int(width),
int(height),
base64.b64encode(svg_xml.encode("utf8")).decode("utf8"),
)
)

def axis_ticks(self, xmin, xmax):
def round_to_zero(value):
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