ref: e9ef538a4fb6745ed26bdc6905abb6b5af325e91
parent: 8c92f7622cdf1e2a0354a818f67edfaa92e4cced
author: Werner Lemberg <[email protected]>
date: Sat Oct 7 08:57:11 EDT 2017
Make `FT_Set_Named_Instance' work. * src/cff/cffdrivr.c (cff_set_instance): New function. (cff_service_multi_masters): Register it. * src/truetype/ttgxvar.c (TT_Set_Named_Instance): New function. * src/truetype/ttgxvar.h: Updated. * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Register it. * src/type1/t1load.c (T1_Reset_MM_Blend): New function. * src/type1/t1load.h: Updated. * src/type1/t1driver.c (t1_service_multi_masters): Register it.
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,21 @@
2017-10-07 Werner Lemberg <[email protected]>
+ Make `FT_Set_Named_Instance' work.
+
+ * src/cff/cffdrivr.c (cff_set_instance): New function.
+ (cff_service_multi_masters): Register it.
+
+ * src/truetype/ttgxvar.c (TT_Set_Named_Instance): New function.
+ * src/truetype/ttgxvar.h: Updated.
+ * src/truetype/ttdriver.c (tt_service_gx_multi_masters): Register
+ it.
+
+ * src/type1/t1load.c (T1_Reset_MM_Blend): New function.
+ * src/type1/t1load.h: Updated.
+ * src/type1/t1driver.c (t1_service_multi_masters): Register it.
+
+2017-10-07 Werner Lemberg <[email protected]>
+
Make `FT_FACE_FLAG_VARIATION' work.
* include/freetype/internal/tttypes.h (TT_Face): Remove
--- a/src/cff/cffdrivr.c
+++ b/src/cff/cffdrivr.c
@@ -1109,6 +1109,17 @@
}
+ static FT_Error
+ cff_set_instance( CFF_Face face,
+ FT_UInt instance_index )
+ {+ FT_Service_MultiMasters mm = (FT_Service_MultiMasters)face->mm;
+
+
+ return mm->set_instance( FT_FACE( face ), instance_index );
+ }
+
+
FT_DEFINE_SERVICE_MULTIMASTERSREC(
cff_service_multi_masters,
@@ -1119,7 +1130,7 @@
(FT_Get_MM_Var_Func) cff_get_mm_var, /* get_mm_var */
(FT_Set_Var_Design_Func)cff_set_var_design, /* set_var_design */
(FT_Get_Var_Design_Func)cff_get_var_design, /* get_var_design */
- (FT_Set_Instance_Func) NULL, /* set_instance */
+ (FT_Set_Instance_Func) cff_set_instance, /* set_instance */
(FT_Get_Var_Blend_Func) cff_get_var_blend, /* get_var_blend */
(FT_Done_Blend_Func) cff_done_blend /* done_blend */
--- a/src/truetype/ttdriver.c
+++ b/src/truetype/ttdriver.c
@@ -498,7 +498,7 @@
(FT_Get_MM_Var_Func) TT_Get_MM_Var, /* get_mm_var */
(FT_Set_Var_Design_Func)TT_Set_Var_Design, /* set_var_design */
(FT_Get_Var_Design_Func)TT_Get_Var_Design, /* get_var_design */
- (FT_Set_Instance_Func) NULL, /* set_instance */
+ (FT_Set_Instance_Func) TT_Set_Named_Instance, /* set_instance */
(FT_Get_Var_Blend_Func) tt_get_var_blend, /* get_var_blend */
(FT_Done_Blend_Func) tt_done_blend /* done_blend */
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@@ -2817,6 +2817,90 @@
/*************************************************************************/
+ /* */
+ /* <Function> */
+ /* TT_Set_Named_Instance */
+ /* */
+ /* <Description> */
+ /* Set the given named instance, also resetting any further */
+ /* variation. */
+ /* */
+ /* <Input> */
+ /* face :: A handle to the source face. */
+ /* */
+ /* instance_index :: The instance index, starting with value 1. */
+ /* Value 0 indicates to not use an instance. */
+ /* */
+ /* <Return> */
+ /* FreeType error code. 0~means success. */
+ /* */
+ FT_LOCAL_DEF( FT_Error )
+ TT_Set_Named_Instance( TT_Face face,
+ FT_UInt instance_index )
+ {+ FT_Error error = FT_ERR( Invalid_Argument );
+ GX_Blend blend;
+ FT_MM_Var* mmvar;
+
+ FT_UInt num_instances;
+
+
+ if ( !face->blend )
+ {+ if ( FT_SET_ERROR( TT_Get_MM_Var( face, NULL ) ) )
+ goto Exit;
+ }
+
+ blend = face->blend;
+ mmvar = blend->mmvar;
+
+ num_instances = (FT_UInt)face->root.style_flags >> 16;
+
+ /* `instance_index' starts with value 1, thus `>' */
+ if ( instance_index > num_instances )
+ goto Exit;
+
+ if ( instance_index > 0 && mmvar->namedstyle )
+ {+ FT_Memory memory = face->root.memory;
+ SFNT_Service sfnt = (SFNT_Service)face->sfnt;
+
+ FT_Var_Named_Style* named_style;
+ FT_String* style_name;
+
+
+ named_style = mmvar->namedstyle + instance_index - 1;
+
+ error = sfnt->get_name( face,
+ (FT_UShort)named_style->strid,
+ &style_name );
+ if ( error )
+ goto Exit;
+
+ /* set (or replace) style name */
+ FT_FREE( face->root.style_name );
+ face->root.style_name = style_name;
+
+ /* finally, select the named instance */
+ error = TT_Set_Var_Design( face,
+ mmvar->num_axis,
+ named_style->coords );
+ if ( error )
+ goto Exit;
+ }
+ else
+ error = TT_Set_Var_Design( face, 0, NULL );
+
+ face->root.face_index = ( instance_index << 16 ) |
+ ( face->root.face_index & 0xFFFFL );
+ face->root.face_flags &= ~FT_FACE_FLAG_VARIATION;
+
+ Exit:
+ return error;
+ }
+
+
+ /*************************************************************************/
/*************************************************************************/
/***** *****/
/***** GX VAR PARSING ROUTINES *****/
--- a/src/truetype/ttgxvar.h
+++ b/src/truetype/ttgxvar.h
@@ -402,6 +402,10 @@
FT_Fixed* coords );
FT_LOCAL( FT_Error )
+ TT_Set_Named_Instance( TT_Face face,
+ FT_UInt instance_index );
+
+ FT_LOCAL( FT_Error )
tt_face_vary_cvt( TT_Face face,
FT_Stream stream );
--- a/src/type1/t1driver.c
+++ b/src/type1/t1driver.c
@@ -126,7 +126,7 @@
(FT_Get_MM_Var_Func) T1_Get_MM_Var, /* get_mm_var */
(FT_Set_Var_Design_Func)T1_Set_Var_Design, /* set_var_design */
(FT_Get_Var_Design_Func)T1_Get_Var_Design, /* get_var_design */
- (FT_Set_Instance_Func) NULL, /* set_instance */
+ (FT_Set_Instance_Func) T1_Reset_MM_Blend, /* set_instance */
(FT_Get_Var_Blend_Func) NULL, /* get_var_blend */
(FT_Done_Blend_Func) T1_Done_Blend /* done_blend */
--- a/src/type1/t1load.c
+++ b/src/type1/t1load.c
@@ -553,6 +553,18 @@
}
+ /* MM fonts don't have named instances, so only the design is reset */
+
+ FT_LOCAL_DEF( FT_Error )
+ T1_Reset_MM_Blend( T1_Face face,
+ FT_UInt instance_index )
+ {+ FT_UNUSED( instance_index );
+
+ return T1_Set_MM_Blend( face, 0, NULL );
+ }
+
+
/*************************************************************************/
/* */
/* Just a wrapper around T1_Set_MM_Design to support the different */
--- a/src/type1/t1load.h
+++ b/src/type1/t1load.h
@@ -90,6 +90,10 @@
FT_Long* coords );
FT_LOCAL( FT_Error )
+ T1_Reset_MM_Blend( T1_Face face,
+ FT_UInt instance_index );
+
+ FT_LOCAL( FT_Error )
T1_Get_Var_Design( T1_Face face,
FT_UInt num_coords,
FT_Fixed* coords );