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Diffstat (limited to 'Doc/source/designspaceLib/index.rst')
| -rw-r--r-- | Doc/source/designspaceLib/index.rst | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/Doc/source/designspaceLib/index.rst b/Doc/source/designspaceLib/index.rst index 5d17dc16..7b8b4878 100644 --- a/Doc/source/designspaceLib/index.rst +++ b/Doc/source/designspaceLib/index.rst @@ -127,20 +127,20 @@ Implementation and differences The designspace format has gone through considerable development. - the format was originally written for MutatorMath. - - the format is now also used in fontTools.varlib. + - the format is now also used in fontTools.varLib. - not all values are be required by all implementations. -Varlib vs. MutatorMath +varLib vs. MutatorMath ---------------------- -There are some differences between the way MutatorMath and fontTools.varlib handle designspaces. +There are some differences between the way MutatorMath and fontTools.varLib handle designspaces. - - Varlib does not support anisotropic interpolations. + - varLib does not support anisotropic interpolations. - MutatorMath will extrapolate over the boundaries of - the axes. Varlib can not (at the moment). - - Varlib requires much less data to define an instance than + the axes. varLib can not (at the moment). + - varLib requires much less data to define an instance than MutatorMath. - - The goals of Varlib and MutatorMath are different, so not all + - The goals of varLib and MutatorMath are different, so not all attributes are always needed. @@ -174,6 +174,14 @@ it can become complex very quickly. So proceed with caution. Version history =============== +Version 5.1 +----------- + +The format was extended to support arbitrary mapping between input and output +designspace locations. The ``<axes>`` elements now can have a ``<mappings>`` +element that specifies such mappings, which when present carries data that is +used to compile to an ``avar`` version 2 table. + Version 5.0 ----------- |