tree 2380c0612dfb90e417c082ef734c871bf2bdbbf9
parent 15fef219d6ed191ef09efad4d8a3a4f4d2b7158b
author Dominik Röttsches <drott@chromium.org> 1656492533 +0300
committer Werner Lemberg <wl@gnu.org> 1656527231 +0200

[truetype] Perform variation store delta computation with 64-bit precision.

* include/freetype/internal/ftmmtypes.h (FT_ItemVarDelta): Make type
explicitly 32-bit.
* include/freetype/internal/services/svmm.h
(FT_Var_Get_Item_Delta_Func): Change return type to `FT_ItemVarDelta`
* truetype/ttgxvar.h (tt_var_get_item_delta): Change return type to
`FT_ItemVarDelta`.
* truetype/ttgxvar.c (tt_var_get_item_delta): Store scalars and deltas
to intermediate array, perform computation using new method
`FT_MulAddFix`.