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-rw-r--r--src/3rdparty/freetype/src/base/ftmm.c292
1 files changed, 283 insertions, 9 deletions
diff --git a/src/3rdparty/freetype/src/base/ftmm.c b/src/3rdparty/freetype/src/base/ftmm.c
index 7c012aa438..800441bcac 100644
--- a/src/3rdparty/freetype/src/base/ftmm.c
+++ b/src/3rdparty/freetype/src/base/ftmm.c
@@ -4,7 +4,7 @@
/* */
/* Multiple Master font support (body). */
/* */
-/* Copyright 1996-2015 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, */
@@ -22,6 +22,7 @@
#include FT_MULTIPLE_MASTERS_H
#include FT_INTERNAL_OBJECTS_H
#include FT_SERVICE_MULTIPLE_MASTERS_H
+#include FT_SERVICE_METRICS_VARIATIONS_H
/*************************************************************************/
@@ -62,6 +63,34 @@
}
+ static FT_Error
+ ft_face_get_mvar_service( FT_Face face,
+ FT_Service_MetricsVariations *aservice )
+ {
+ FT_Error error;
+
+
+ *aservice = NULL;
+
+ if ( !face )
+ return FT_THROW( Invalid_Face_Handle );
+
+ error = FT_ERR( Invalid_Argument );
+
+ if ( FT_HAS_MULTIPLE_MASTERS( face ) )
+ {
+ FT_FACE_LOOKUP_SERVICE( face,
+ *aservice,
+ METRICS_VARIATIONS );
+
+ if ( *aservice )
+ error = FT_Err_Ok;
+ }
+
+ return error;
+ }
+
+
/* documentation is in ftmm.h */
FT_EXPORT_DEF( FT_Error )
@@ -119,6 +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 )
@@ -129,7 +177,7 @@
/* check of `face' delayed to `ft_face_get_mm_service' */
- if ( !coords )
+ if ( num_coords && !coords )
return FT_THROW( Invalid_Argument );
error = ft_face_get_mm_service( face, &service );
@@ -140,6 +188,13 @@
error = service->set_mm_design( face, num_coords, coords );
}
+ /* enforce recomputation of auto-hinting data */
+ if ( !error && face->autohint.finalizer )
+ {
+ face->autohint.finalizer( face->autohint.data );
+ face->autohint.data = NULL;
+ }
+
return error;
}
@@ -151,6 +206,54 @@
FT_UInt num_coords,
FT_Fixed* coords )
{
+ 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' */
+
+ if ( num_coords && !coords )
+ return FT_THROW( Invalid_Argument );
+
+ error = ft_face_get_mm_service( face, &service_mm );
+ if ( !error )
+ {
+ 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 )
+ {
+ (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;
+ }
+
+ return error;
+ }
+
+
+ /* documentation is in ftmm.h */
+
+ FT_EXPORT_DEF( FT_Error )
+ FT_Get_Var_Design_Coordinates( FT_Face face,
+ FT_UInt num_coords,
+ FT_Fixed* coords )
+ {
FT_Error error;
FT_Service_MultiMasters service;
@@ -164,8 +267,8 @@
if ( !error )
{
error = FT_ERR( Invalid_Argument );
- if ( service->set_var_design )
- error = service->set_var_design( face, num_coords, coords );
+ if ( service->get_var_design )
+ error = service->get_var_design( face, num_coords, coords );
}
return error;
@@ -179,6 +282,105 @@
FT_UInt num_coords,
FT_Fixed* coords )
{
+ 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' */
+
+ if ( num_coords && !coords )
+ return FT_THROW( Invalid_Argument );
+
+ error = ft_face_get_mm_service( face, &service_mm );
+ if ( !error )
+ {
+ 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 )
+ {
+ (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;
+ }
+
+ return error;
+ }
+
+
+ /* documentation is in ftmm.h */
+
+ /* This is exactly the same as the previous function. It exists for */
+ /* orthogonality. */
+
+ FT_EXPORT_DEF( FT_Error )
+ FT_Set_Var_Blend_Coordinates( FT_Face face,
+ FT_UInt num_coords,
+ FT_Fixed* coords )
+ {
+ 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' */
+
+ if ( num_coords && !coords )
+ return FT_THROW( Invalid_Argument );
+
+ error = ft_face_get_mm_service( face, &service_mm );
+ if ( !error )
+ {
+ 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 )
+ {
+ (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;
+ }
+
+ return error;
+ }
+
+
+ /* documentation is in ftmm.h */
+
+ FT_EXPORT_DEF( FT_Error )
+ FT_Get_MM_Blend_Coordinates( FT_Face face,
+ FT_UInt num_coords,
+ FT_Fixed* coords )
+ {
FT_Error error;
FT_Service_MultiMasters service;
@@ -192,8 +394,8 @@
if ( !error )
{
error = FT_ERR( Invalid_Argument );
- if ( service->set_mm_blend )
- error = service->set_mm_blend( face, num_coords, coords );
+ if ( service->get_mm_blend )
+ error = service->get_mm_blend( face, num_coords, coords );
}
return error;
@@ -206,7 +408,7 @@
/* orthogonality. */
FT_EXPORT_DEF( FT_Error )
- FT_Set_Var_Blend_Coordinates( FT_Face face,
+ FT_Get_Var_Blend_Coordinates( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords )
{
@@ -223,8 +425,80 @@
if ( !error )
{
error = FT_ERR( Invalid_Argument );
- if ( service->set_mm_blend )
- error = service->set_mm_blend( face, num_coords, coords );
+ if ( service->get_mm_blend )
+ error = service->get_mm_blend( face, num_coords, coords );
+ }
+
+ return error;
+ }
+
+
+ /* documentation is in ftmm.h */
+
+ FT_EXPORT_DEF( FT_Error )
+ FT_Get_Var_Axis_Flags( FT_MM_Var* master,
+ FT_UInt axis_index,
+ FT_UInt* flags )
+ {
+ FT_UShort* axis_flags;
+
+
+ if ( !master || !flags )
+ return FT_THROW( Invalid_Argument );
+
+ if ( axis_index >= master->num_axis )
+ return FT_THROW( Invalid_Argument );
+
+ /* the axis flags array immediately follows the data of `master' */
+ axis_flags = (FT_UShort*)&( master[1] );
+ *flags = axis_flags[axis_index];
+
+ return FT_Err_Ok;
+ }
+
+
+ /* 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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 07:05:35 +0000