314 lines
10 KiB
C
314 lines
10 KiB
C
/****************************************************************************
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*
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* psobjs.h
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*
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* Auxiliary functions for PostScript fonts (specification).
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*
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* Copyright 1996-2019 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 PSOBJS_H_
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#define PSOBJS_H_
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#include <ft2build.h>
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#include FT_INTERNAL_POSTSCRIPT_AUX_H
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#include FT_INTERNAL_CFF_OBJECTS_TYPES_H
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FT_BEGIN_HEADER
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** T1_TABLE *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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FT_CALLBACK_TABLE
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const PS_Table_FuncsRec ps_table_funcs;
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FT_CALLBACK_TABLE
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const PS_Parser_FuncsRec ps_parser_funcs;
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FT_CALLBACK_TABLE
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const T1_Builder_FuncsRec t1_builder_funcs;
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FT_LOCAL( FT_Error )
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ps_table_new( PS_Table table,
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FT_Int count,
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FT_Memory memory );
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FT_LOCAL( FT_Error )
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ps_table_add( PS_Table table,
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FT_Int idx,
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void* object,
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FT_UInt length );
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FT_LOCAL( void )
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ps_table_done( PS_Table table );
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FT_LOCAL( void )
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ps_table_release( PS_Table table );
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** T1 PARSER *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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FT_LOCAL( void )
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ps_parser_skip_spaces( PS_Parser parser );
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FT_LOCAL( void )
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ps_parser_skip_PS_token( PS_Parser parser );
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FT_LOCAL( void )
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ps_parser_to_token( PS_Parser parser,
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T1_Token token );
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FT_LOCAL( void )
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ps_parser_to_token_array( PS_Parser parser,
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T1_Token tokens,
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FT_UInt max_tokens,
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FT_Int* pnum_tokens );
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FT_LOCAL( FT_Error )
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ps_parser_load_field( PS_Parser parser,
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const T1_Field field,
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void** objects,
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FT_UInt max_objects,
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FT_ULong* pflags );
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FT_LOCAL( FT_Error )
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ps_parser_load_field_table( PS_Parser parser,
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const T1_Field field,
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void** objects,
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FT_UInt max_objects,
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FT_ULong* pflags );
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FT_LOCAL( FT_Long )
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ps_parser_to_int( PS_Parser parser );
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FT_LOCAL( FT_Error )
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ps_parser_to_bytes( PS_Parser parser,
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FT_Byte* bytes,
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FT_Offset max_bytes,
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FT_ULong* pnum_bytes,
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FT_Bool delimiters );
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FT_LOCAL( FT_Fixed )
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ps_parser_to_fixed( PS_Parser parser,
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FT_Int power_ten );
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FT_LOCAL( FT_Int )
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ps_parser_to_coord_array( PS_Parser parser,
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FT_Int max_coords,
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FT_Short* coords );
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FT_LOCAL( FT_Int )
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ps_parser_to_fixed_array( PS_Parser parser,
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FT_Int max_values,
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FT_Fixed* values,
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FT_Int power_ten );
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FT_LOCAL( void )
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ps_parser_init( PS_Parser parser,
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FT_Byte* base,
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FT_Byte* limit,
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FT_Memory memory );
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FT_LOCAL( void )
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ps_parser_done( PS_Parser parser );
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** T1 BUILDER *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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FT_LOCAL( void )
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t1_builder_init( T1_Builder builder,
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FT_Face face,
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FT_Size size,
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FT_GlyphSlot glyph,
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FT_Bool hinting );
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FT_LOCAL( void )
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t1_builder_done( T1_Builder builder );
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FT_LOCAL( FT_Error )
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t1_builder_check_points( T1_Builder builder,
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FT_Int count );
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FT_LOCAL( void )
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t1_builder_add_point( T1_Builder builder,
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FT_Pos x,
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FT_Pos y,
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FT_Byte flag );
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FT_LOCAL( FT_Error )
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t1_builder_add_point1( T1_Builder builder,
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FT_Pos x,
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FT_Pos y );
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FT_LOCAL( FT_Error )
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t1_builder_add_contour( T1_Builder builder );
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FT_LOCAL( FT_Error )
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t1_builder_start_point( T1_Builder builder,
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FT_Pos x,
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FT_Pos y );
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FT_LOCAL( void )
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t1_builder_close_contour( T1_Builder builder );
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** CFF BUILDER *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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FT_LOCAL( void )
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cff_builder_init( CFF_Builder* builder,
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TT_Face face,
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CFF_Size size,
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CFF_GlyphSlot glyph,
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FT_Bool hinting );
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FT_LOCAL( void )
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cff_builder_done( CFF_Builder* builder );
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FT_LOCAL( FT_Error )
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cff_check_points( CFF_Builder* builder,
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FT_Int count );
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FT_LOCAL( void )
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cff_builder_add_point( CFF_Builder* builder,
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FT_Pos x,
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FT_Pos y,
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FT_Byte flag );
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FT_LOCAL( FT_Error )
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cff_builder_add_point1( CFF_Builder* builder,
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FT_Pos x,
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FT_Pos y );
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FT_LOCAL( FT_Error )
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cff_builder_start_point( CFF_Builder* builder,
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FT_Pos x,
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FT_Pos y );
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FT_LOCAL( void )
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cff_builder_close_contour( CFF_Builder* builder );
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FT_LOCAL( FT_Error )
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cff_builder_add_contour( CFF_Builder* builder );
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** PS BUILDER *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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FT_LOCAL( void )
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ps_builder_init( PS_Builder* ps_builder,
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void* builder,
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FT_Bool is_t1 );
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FT_LOCAL( void )
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ps_builder_done( PS_Builder* builder );
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FT_LOCAL( FT_Error )
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ps_builder_check_points( PS_Builder* builder,
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FT_Int count );
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FT_LOCAL( void )
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ps_builder_add_point( PS_Builder* builder,
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FT_Pos x,
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FT_Pos y,
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FT_Byte flag );
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FT_LOCAL( FT_Error )
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ps_builder_add_point1( PS_Builder* builder,
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FT_Pos x,
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FT_Pos y );
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FT_LOCAL( FT_Error )
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ps_builder_add_contour( PS_Builder* builder );
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FT_LOCAL( FT_Error )
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ps_builder_start_point( PS_Builder* builder,
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FT_Pos x,
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FT_Pos y );
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FT_LOCAL( void )
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ps_builder_close_contour( PS_Builder* builder );
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** OTHER *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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FT_LOCAL( void )
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ps_decoder_init( PS_Decoder* ps_decoder,
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void* decoder,
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FT_Bool is_t1 );
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FT_LOCAL( void )
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t1_make_subfont( FT_Face face,
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PS_Private priv,
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CFF_SubFont subfont );
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FT_LOCAL( void )
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t1_decrypt( FT_Byte* buffer,
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FT_Offset length,
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FT_UShort seed );
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FT_LOCAL( FT_UInt32 )
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cff_random( FT_UInt32 r );
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FT_END_HEADER
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#endif /* PSOBJS_H_ */
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/* END */
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