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Add units-from-em conversion

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An em is a unit of measurement in typography, equal to the point
size of the current font.

It should be possible to convert a value expressed in em to
ClutterUnits by using the current font and the current DPI as
stored by the default backend.
This commit is contained in:
Emmanuele Bassi
2009-01-21 17:35:47 +00:00
parent 93a0454c09
commit ee883f30d4
3 changed files with 65 additions and 0 deletions
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4
doc/reference/clutter/clutter-sections.txt
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@ -33,6 +33,8 @@ CLUTTER_UNITS_FROM_FLOAT
CLUTTER_UNITS_TO_FLOAT
CLUTTER_UNITS_FROM_INT
CLUTTER_UNITS_TO_INT
<SUBSECTION>
CLUTTER_UNITS_FROM_DEVICE
CLUTTER_UNITS_TO_DEVICE
CLUTTER_UNITS_FROM_FIXED
@ -41,8 +43,10 @@ CLUTTER_UNITS_FROM_PANGO_UNIT
CLUTTER_UNITS_TO_PANGO_UNIT
CLUTTER_UNITS_FROM_MM
CLUTTER_UNITS_FROM_POINTS
CLUTTER_UNITS_FROM_EM
clutter_units_mm
clutter_units_pt
clutter_units_em
<SUBSECTION>
CLUTTER_MAXUNIT