157 lines
5.3 KiB
C
157 lines
5.3 KiB
C
/****************************************************************************
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*
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* svmm.h
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*
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* The FreeType Multiple Masters and GX var services (specification).
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*
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* Copyright (C) 2003-2021 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used,
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* modified, and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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*/
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#ifndef SVMM_H_
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#define SVMM_H_
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#include <freetype/internal/ftserv.h>
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FT_BEGIN_HEADER
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/*
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* A service used to manage multiple-masters data in a given face.
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*
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* See the related APIs in `ftmm.h' (FT_MULTIPLE_MASTERS_H).
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*
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*/
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#define FT_SERVICE_ID_MULTI_MASTERS "multi-masters"
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typedef FT_Error
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(*FT_Get_MM_Func)( FT_Face face,
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FT_Multi_Master* master );
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typedef FT_Error
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(*FT_Get_MM_Var_Func)( FT_Face face,
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FT_MM_Var* *master );
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typedef FT_Error
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(*FT_Set_MM_Design_Func)( FT_Face face,
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FT_UInt num_coords,
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FT_Long* coords );
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/* use return value -1 to indicate that the new coordinates */
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/* are equal to the current ones; no changes are thus needed */
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typedef FT_Error
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(*FT_Set_Var_Design_Func)( FT_Face face,
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FT_UInt num_coords,
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FT_Fixed* coords );
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/* use return value -1 to indicate that the new coordinates */
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/* are equal to the current ones; no changes are thus needed */
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typedef FT_Error
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(*FT_Set_MM_Blend_Func)( FT_Face face,
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FT_UInt num_coords,
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FT_Long* coords );
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typedef FT_Error
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(*FT_Get_Var_Design_Func)( FT_Face face,
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FT_UInt num_coords,
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FT_Fixed* coords );
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typedef FT_Error
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(*FT_Set_Instance_Func)( FT_Face face,
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FT_UInt instance_index );
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typedef FT_Error
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(*FT_Get_MM_Blend_Func)( FT_Face face,
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FT_UInt num_coords,
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FT_Long* coords );
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typedef FT_Error
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(*FT_Get_Var_Blend_Func)( FT_Face face,
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FT_UInt *num_coords,
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FT_Fixed* *coords,
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FT_Fixed* *normalizedcoords,
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FT_MM_Var* *mm_var );
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typedef void
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(*FT_Done_Blend_Func)( FT_Face );
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typedef FT_Error
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(*FT_Set_MM_WeightVector_Func)( FT_Face face,
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FT_UInt len,
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FT_Fixed* weight_vector );
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typedef FT_Error
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(*FT_Get_MM_WeightVector_Func)( FT_Face face,
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FT_UInt* len,
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FT_Fixed* weight_vector );
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FT_DEFINE_SERVICE( MultiMasters )
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{
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FT_Get_MM_Func get_mm;
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FT_Set_MM_Design_Func set_mm_design;
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FT_Set_MM_Blend_Func set_mm_blend;
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FT_Get_MM_Blend_Func get_mm_blend;
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FT_Get_MM_Var_Func get_mm_var;
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FT_Set_Var_Design_Func set_var_design;
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FT_Get_Var_Design_Func get_var_design;
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FT_Set_Instance_Func set_instance;
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FT_Set_MM_WeightVector_Func set_mm_weightvector;
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FT_Get_MM_WeightVector_Func get_mm_weightvector;
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/* for internal use; only needed for code sharing between modules */
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FT_Get_Var_Blend_Func get_var_blend;
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FT_Done_Blend_Func done_blend;
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};
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#define FT_DEFINE_SERVICE_MULTIMASTERSREC( class_, \
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get_mm_, \
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set_mm_design_, \
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set_mm_blend_, \
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get_mm_blend_, \
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get_mm_var_, \
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set_var_design_, \
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get_var_design_, \
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set_instance_, \
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set_weightvector_, \
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get_weightvector_, \
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get_var_blend_, \
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done_blend_ ) \
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static const FT_Service_MultiMastersRec class_ = \
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{ \
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get_mm_, \
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set_mm_design_, \
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set_mm_blend_, \
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get_mm_blend_, \
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get_mm_var_, \
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set_var_design_, \
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get_var_design_, \
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set_instance_, \
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set_weightvector_, \
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get_weightvector_, \
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get_var_blend_, \
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done_blend_ \
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};
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/* */
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FT_END_HEADER
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#endif /* SVMM_H_ */
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/* END */
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