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Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/base/ftmm.c')
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/base/ftmm.c81
1 files changed, 80 insertions, 1 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/base/ftmm.c b/Build/source/libs/freetype2/freetype-src/src/base/ftmm.c
index 43877ece45b..800441bcac8 100644
--- a/Build/source/libs/freetype2/freetype-src/src/base/ftmm.c
+++ b/Build/source/libs/freetype2/freetype-src/src/base/ftmm.c
@@ -4,7 +4,7 @@
/* */
/* Multiple Master font support (body). */
/* */
-/* Copyright 1996-2017 by */
+/* Copyright 1996-2018 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -148,6 +148,25 @@
/* documentation is in ftmm.h */
FT_EXPORT_DEF( FT_Error )
+ FT_Done_MM_Var( FT_Library library,
+ FT_MM_Var* amaster )
+ {
+ FT_Memory memory;
+
+
+ if ( !library )
+ return FT_THROW( Invalid_Library_Handle );
+
+ memory = library->memory;
+ FT_FREE( amaster );
+
+ return FT_Err_Ok;
+ }
+
+
+ /* documentation is in ftmm.h */
+
+ FT_EXPORT_DEF( FT_Error )
FT_Set_MM_Design_Coordinates( FT_Face face,
FT_UInt num_coords,
FT_Long* coords )
@@ -203,6 +222,10 @@
error = FT_ERR( Invalid_Argument );
if ( service_mm->set_var_design )
error = service_mm->set_var_design( face, num_coords, coords );
+
+ /* internal error code -1 means `no change'; we can exit immediately */
+ if ( error == -1 )
+ return FT_Err_Ok;
}
if ( !error )
@@ -275,6 +298,10 @@
error = FT_ERR( Invalid_Argument );
if ( service_mm->set_mm_blend )
error = service_mm->set_mm_blend( face, num_coords, coords );
+
+ /* internal error code -1 means `no change'; we can exit immediately */
+ if ( error == -1 )
+ return FT_Err_Ok;
}
if ( !error )
@@ -322,6 +349,10 @@
error = FT_ERR( Invalid_Argument );
if ( service_mm->set_mm_blend )
error = service_mm->set_mm_blend( face, num_coords, coords );
+
+ /* internal error code -1 means `no change'; we can exit immediately */
+ if ( error == -1 )
+ return FT_Err_Ok;
}
if ( !error )
@@ -426,4 +457,52 @@
}
+ /* documentation is in ftmm.h */
+
+ FT_EXPORT_DEF( FT_Error )
+ FT_Set_Named_Instance( FT_Face face,
+ FT_UInt instance_index )
+ {
+ FT_Error error;
+
+ FT_Service_MultiMasters service_mm = NULL;
+ FT_Service_MetricsVariations service_mvar = NULL;
+
+
+ /* check of `face' delayed to `ft_face_get_mm_service' */
+
+ error = ft_face_get_mm_service( face, &service_mm );
+ if ( !error )
+ {
+ error = FT_ERR( Invalid_Argument );
+ if ( service_mm->set_instance )
+ error = service_mm->set_instance( face, instance_index );
+ }
+
+ if ( !error )
+ {
+ (void)ft_face_get_mvar_service( face, &service_mvar );
+
+ if ( service_mvar && service_mvar->metrics_adjust )
+ service_mvar->metrics_adjust( face );
+ }
+
+ /* enforce recomputation of auto-hinting data */
+ if ( !error && face->autohint.finalizer )
+ {
+ face->autohint.finalizer( face->autohint.data );
+ face->autohint.data = NULL;
+ }
+
+ if ( !error )
+ {
+ face->face_index = ( instance_index << 16 ) |
+ ( face->face_index & 0xFFFFL );
+ face->face_flags &= ~FT_FACE_FLAG_VARIATION;
+ }
+
+ return error;
+ }
+
+
/* END */