| /**************************************************************************** |
| * |
| * svmm.h |
| * |
| * The FreeType Multiple Masters and GX var services (specification). |
| * |
| * Copyright 2003-2018 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. |
| * |
| */ |
| |
| |
| #ifndef SVMM_H_ |
| #define SVMM_H_ |
| |
| #include FT_INTERNAL_SERVICE_H |
| |
| |
| FT_BEGIN_HEADER |
| |
| |
| /* |
| * A service used to manage multiple-masters data in a given face. |
| * |
| * See the related APIs in `ftmm.h' (FT_MULTIPLE_MASTERS_H). |
| * |
| */ |
| |
| #define FT_SERVICE_ID_MULTI_MASTERS "multi-masters" |
| |
| |
| typedef FT_Error |
| (*FT_Get_MM_Func)( FT_Face face, |
| FT_Multi_Master* master ); |
| |
| typedef FT_Error |
| (*FT_Get_MM_Var_Func)( FT_Face face, |
| FT_MM_Var* *master ); |
| |
| typedef FT_Error |
| (*FT_Set_MM_Design_Func)( FT_Face face, |
| FT_UInt num_coords, |
| FT_Long* coords ); |
| |
| /* use return value -1 to indicate that the new coordinates */ |
| /* are equal to the current ones; no changes are thus needed */ |
| typedef FT_Error |
| (*FT_Set_Var_Design_Func)( FT_Face face, |
| FT_UInt num_coords, |
| FT_Fixed* coords ); |
| |
| /* use return value -1 to indicate that the new coordinates */ |
| /* are equal to the current ones; no changes are thus needed */ |
| typedef FT_Error |
| (*FT_Set_MM_Blend_Func)( FT_Face face, |
| FT_UInt num_coords, |
| FT_Long* coords ); |
| |
| typedef FT_Error |
| (*FT_Get_Var_Design_Func)( FT_Face face, |
| FT_UInt num_coords, |
| FT_Fixed* coords ); |
| |
| typedef FT_Error |
| (*FT_Set_Instance_Func)( FT_Face face, |
| FT_UInt instance_index ); |
| |
| typedef FT_Error |
| (*FT_Get_MM_Blend_Func)( FT_Face face, |
| FT_UInt num_coords, |
| FT_Long* coords ); |
| |
| typedef FT_Error |
| (*FT_Get_Var_Blend_Func)( FT_Face face, |
| FT_UInt *num_coords, |
| FT_Fixed* *coords, |
| FT_Fixed* *normalizedcoords, |
| FT_MM_Var* *mm_var ); |
| |
| typedef void |
| (*FT_Done_Blend_Func)( FT_Face ); |
| |
| |
| FT_DEFINE_SERVICE( MultiMasters ) |
| { |
| FT_Get_MM_Func get_mm; |
| FT_Set_MM_Design_Func set_mm_design; |
| FT_Set_MM_Blend_Func set_mm_blend; |
| FT_Get_MM_Blend_Func get_mm_blend; |
| FT_Get_MM_Var_Func get_mm_var; |
| FT_Set_Var_Design_Func set_var_design; |
| FT_Get_Var_Design_Func get_var_design; |
| FT_Set_Instance_Func set_instance; |
| |
| /* for internal use; only needed for code sharing between modules */ |
| FT_Get_Var_Blend_Func get_var_blend; |
| FT_Done_Blend_Func done_blend; |
| }; |
| |
| |
| #define FT_DEFINE_SERVICE_MULTIMASTERSREC( class_, \ |
| get_mm_, \ |
| set_mm_design_, \ |
| set_mm_blend_, \ |
| get_mm_blend_, \ |
| get_mm_var_, \ |
| set_var_design_, \ |
| get_var_design_, \ |
| set_instance_, \ |
| get_var_blend_, \ |
| done_blend_ ) \ |
| static const FT_Service_MultiMastersRec class_ = \ |
| { \ |
| get_mm_, \ |
| set_mm_design_, \ |
| set_mm_blend_, \ |
| get_mm_blend_, \ |
| get_mm_var_, \ |
| set_var_design_, \ |
| get_var_design_, \ |
| set_instance_, \ |
| get_var_blend_, \ |
| done_blend_ \ |
| }; |
| |
| /* */ |
| |
| |
| FT_END_HEADER |
| |
| #endif /* SVMM_H_ */ |
| |
| |
| /* END */ |