Edit
kc3-lang/freetype/src/base/ftmm.c
Werner Lemberg
- src/base/ftmm.c
-
/***************************************************************************/ /* */ /* ftmm.c */ /* */ /* Multiple Master font support (body). */ /* */ /* Copyright 1996-2016 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ /* modified, and distributed under the terms of the FreeType project */ /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ /* this file you indicate that you have read the license and */ /* understand and accept it fully. */ /* */ /***************************************************************************/ #include <ft2build.h> #include FT_INTERNAL_DEBUG_H #include FT_MULTIPLE_MASTERS_H #include FT_INTERNAL_OBJECTS_H #include FT_SERVICE_MULTIPLE_MASTERS_H /*************************************************************************/ /* */ /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ /* messages during execution. */ /* */ #undef FT_COMPONENT #define FT_COMPONENT trace_mm static FT_Error ft_face_get_mm_service( FT_Face face, FT_Service_MultiMasters *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, MULTI_MASTERS ); if ( *aservice ) error = FT_Err_Ok; } return error; } /* documentation is in ftmm.h */ FT_EXPORT_DEF( FT_Error ) FT_Get_Multi_Master( FT_Face face, FT_Multi_Master *amaster ) { FT_Error error; FT_Service_MultiMasters service; /* check of `face' delayed to `ft_face_get_mm_service' */ if ( !amaster ) return FT_THROW( Invalid_Argument ); error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_ERR( Invalid_Argument ); if ( service->get_mm ) error = service->get_mm( face, amaster ); } return error; } /* documentation is in ftmm.h */ FT_EXPORT_DEF( FT_Error ) FT_Get_MM_Var( FT_Face face, FT_MM_Var* *amaster ) { FT_Error error; FT_Service_MultiMasters service; /* check of `face' delayed to `ft_face_get_mm_service' */ if ( !amaster ) return FT_THROW( Invalid_Argument ); error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_ERR( Invalid_Argument ); if ( service->get_mm_var ) error = service->get_mm_var( face, amaster ); } return error; } /* 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 ) { FT_Error error; FT_Service_MultiMasters service; /* check of `face' delayed to `ft_face_get_mm_service' */ if ( !coords ) return FT_THROW( Invalid_Argument ); error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_ERR( Invalid_Argument ); if ( service->set_mm_design ) error = service->set_mm_design( face, num_coords, coords ); } return error; } /* documentation is in ftmm.h */ FT_EXPORT_DEF( FT_Error ) FT_Set_Var_Design_Coordinates( FT_Face face, FT_UInt num_coords, FT_Fixed* coords ) { FT_Error error; FT_Service_MultiMasters service; /* check of `face' delayed to `ft_face_get_mm_service' */ if ( !coords ) return FT_THROW( Invalid_Argument ); error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_ERR( Invalid_Argument ); if ( service->set_var_design ) error = service->set_var_design( face, num_coords, coords ); } return error; } /* documentation is in ftmm.h */ FT_EXPORT_DEF( FT_Error ) FT_Set_MM_Blend_Coordinates( FT_Face face, FT_UInt num_coords, FT_Fixed* coords ) { FT_Error error; FT_Service_MultiMasters service; /* check of `face' delayed to `ft_face_get_mm_service' */ if ( !coords ) return FT_THROW( Invalid_Argument ); error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_ERR( Invalid_Argument ); if ( service->set_mm_blend ) error = service->set_mm_blend( face, num_coords, coords ); } 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; /* check of `face' delayed to `ft_face_get_mm_service' */ if ( !coords ) return FT_THROW( Invalid_Argument ); error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_ERR( Invalid_Argument ); if ( service->set_mm_blend ) error = service->set_mm_blend( face, num_coords, coords ); } return error; } /* END */