/**************************************************************************** * * psobjs.h * * Auxiliary functions for PostScript fonts (specification). * * Copyright (C) 1996-2023 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 PSOBJS_H_ #define PSOBJS_H_ #include <freetype/internal/psaux.h> #include <freetype/internal/cffotypes.h> FT_BEGIN_HEADER /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** T1_TABLE *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ FT_CALLBACK_TABLE const PS_Table_FuncsRec ps_table_funcs; FT_CALLBACK_TABLE const PS_Parser_FuncsRec ps_parser_funcs; FT_CALLBACK_TABLE const T1_Builder_FuncsRec t1_builder_funcs; FT_LOCAL( FT_Error ) ps_table_new( PS_Table table, FT_Int count, FT_Memory memory ); FT_LOCAL( FT_Error ) ps_table_add( PS_Table table, FT_Int idx, const void* object, FT_UInt length ); FT_LOCAL( void ) ps_table_done( PS_Table table ); FT_LOCAL( void ) ps_table_release( PS_Table table ); /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** T1 PARSER *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ FT_LOCAL( void ) ps_parser_skip_spaces( PS_Parser parser ); FT_LOCAL( void ) ps_parser_skip_PS_token( PS_Parser parser ); FT_LOCAL( void ) ps_parser_to_token( PS_Parser parser, T1_Token token ); FT_LOCAL( void ) ps_parser_to_token_array( PS_Parser parser, T1_Token tokens, FT_UInt max_tokens, FT_Int* pnum_tokens ); FT_LOCAL( FT_Error ) ps_parser_load_field( PS_Parser parser, const T1_Field field, void** objects, FT_UInt max_objects, FT_ULong* pflags ); FT_LOCAL( FT_Error ) ps_parser_load_field_table( PS_Parser parser, const T1_Field field, void** objects, FT_UInt max_objects, FT_ULong* pflags ); FT_LOCAL( FT_Long ) ps_parser_to_int( PS_Parser parser ); FT_LOCAL( FT_Error ) ps_parser_to_bytes( PS_Parser parser, FT_Byte* bytes, FT_Offset max_bytes, FT_ULong* pnum_bytes, FT_Bool delimiters ); FT_LOCAL( FT_Fixed ) ps_parser_to_fixed( PS_Parser parser, FT_Int power_ten ); FT_LOCAL( FT_Int ) ps_parser_to_coord_array( PS_Parser parser, FT_Int max_coords, FT_Short* coords ); FT_LOCAL( FT_Int ) ps_parser_to_fixed_array( PS_Parser parser, FT_Int max_values, FT_Fixed* values, FT_Int power_ten ); FT_LOCAL( void ) ps_parser_init( PS_Parser parser, FT_Byte* base, FT_Byte* limit, FT_Memory memory ); FT_LOCAL( void ) ps_parser_done( PS_Parser parser ); /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** T1 BUILDER *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ FT_LOCAL( void ) t1_builder_init( T1_Builder builder, FT_Face face, FT_Size size, FT_GlyphSlot glyph, FT_Bool hinting ); FT_LOCAL( void ) t1_builder_done( T1_Builder builder ); FT_LOCAL( FT_Error ) t1_builder_check_points( T1_Builder builder, FT_Int count ); FT_LOCAL( void ) t1_builder_add_point( T1_Builder builder, FT_Pos x, FT_Pos y, FT_Byte flag ); FT_LOCAL( FT_Error ) t1_builder_add_point1( T1_Builder builder, FT_Pos x, FT_Pos y ); FT_LOCAL( FT_Error ) t1_builder_add_contour( T1_Builder builder ); FT_LOCAL( FT_Error ) t1_builder_start_point( T1_Builder builder, FT_Pos x, FT_Pos y ); FT_LOCAL( void ) t1_builder_close_contour( T1_Builder builder ); /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** CFF BUILDER *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ FT_LOCAL( void ) cff_builder_init( CFF_Builder* builder, TT_Face face, CFF_Size size, CFF_GlyphSlot glyph, FT_Bool hinting ); FT_LOCAL( void ) cff_builder_done( CFF_Builder* builder ); FT_LOCAL( FT_Error ) cff_check_points( CFF_Builder* builder, FT_Int count ); FT_LOCAL( void ) cff_builder_add_point( CFF_Builder* builder, FT_Pos x, FT_Pos y, FT_Byte flag ); FT_LOCAL( FT_Error ) cff_builder_add_point1( CFF_Builder* builder, FT_Pos x, FT_Pos y ); FT_LOCAL( FT_Error ) cff_builder_start_point( CFF_Builder* builder, FT_Pos x, FT_Pos y ); FT_LOCAL( void ) cff_builder_close_contour( CFF_Builder* builder ); FT_LOCAL( FT_Error ) cff_builder_add_contour( CFF_Builder* builder ); /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** PS BUILDER *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ FT_LOCAL( void ) ps_builder_init( PS_Builder* ps_builder, void* builder, FT_Bool is_t1 ); FT_LOCAL( void ) ps_builder_done( PS_Builder* builder ); FT_LOCAL( FT_Error ) ps_builder_check_points( PS_Builder* builder, FT_Int count ); FT_LOCAL( void ) ps_builder_add_point( PS_Builder* builder, FT_Pos x, FT_Pos y, FT_Byte flag ); FT_LOCAL( FT_Error ) ps_builder_add_point1( PS_Builder* builder, FT_Pos x, FT_Pos y ); FT_LOCAL( FT_Error ) ps_builder_add_contour( PS_Builder* builder ); FT_LOCAL( FT_Error ) ps_builder_start_point( PS_Builder* builder, FT_Pos x, FT_Pos y ); FT_LOCAL( void ) ps_builder_close_contour( PS_Builder* builder ); /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** OTHER *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ FT_LOCAL( void ) ps_decoder_init( PS_Decoder* ps_decoder, void* decoder, FT_Bool is_t1 ); FT_LOCAL( void ) t1_make_subfont( FT_Face face, PS_Private priv, CFF_SubFont subfont ); FT_LOCAL( void ) t1_decrypt( FT_Byte* buffer, FT_Offset length, FT_UShort seed ); FT_LOCAL( FT_UInt32 ) cff_random( FT_UInt32 r ); FT_END_HEADER #endif /* PSOBJS_H_ */ /* END */
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