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-rw-r--r--src/3rdparty/freetype/include/freetype/internal/psaux.h511
1 files changed, 503 insertions, 8 deletions
diff --git a/src/3rdparty/freetype/include/freetype/internal/psaux.h b/src/3rdparty/freetype/include/freetype/internal/psaux.h
index 1c5f784f52..f77380d25f 100644
--- a/src/3rdparty/freetype/include/freetype/internal/psaux.h
+++ b/src/3rdparty/freetype/include/freetype/internal/psaux.h
@@ -5,7 +5,7 @@
/* Auxiliary functions and data structures related to PostScript fonts */
/* (specification). */
/* */
-/* Copyright 1996-2015 by */
+/* Copyright 1996-2018 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -17,19 +17,40 @@
/***************************************************************************/
-#ifndef __PSAUX_H__
-#define __PSAUX_H__
+#ifndef PSAUX_H_
+#define PSAUX_H_
#include <ft2build.h>
#include FT_INTERNAL_OBJECTS_H
#include FT_INTERNAL_TYPE1_TYPES_H
+#include FT_INTERNAL_HASH_H
+#include FT_INTERNAL_TRUETYPE_TYPES_H
#include FT_SERVICE_POSTSCRIPT_CMAPS_H
+#include FT_INTERNAL_CFF_TYPES_H
+#include FT_INTERNAL_CFF_OBJECTS_TYPES_H
+
FT_BEGIN_HEADER
+ /***********************************************************************/
+ /* */
+ /* PostScript modules driver class. */
+ /* */
+ typedef struct PS_DriverRec_
+ {
+ FT_DriverRec root;
+
+ FT_UInt hinting_engine;
+ FT_Bool no_stem_darkening;
+ FT_Int darken_params[8];
+ FT_Int32 random_seed;
+
+ } PS_DriverRec, *PS_Driver;
+
+
/*************************************************************************/
/*************************************************************************/
/***** *****/
@@ -441,6 +462,202 @@ FT_BEGIN_HEADER
/*************************************************************************/
/*************************************************************************/
/***** *****/
+ /***** PS BUILDER *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+
+ typedef struct PS_Builder_ PS_Builder;
+ typedef const struct PS_Builder_FuncsRec_* PS_Builder_Funcs;
+
+ typedef struct PS_Builder_FuncsRec_
+ {
+ void
+ (*init)( PS_Builder* ps_builder,
+ void* builder,
+ FT_Bool is_t1 );
+
+ void
+ (*done)( PS_Builder* builder );
+
+ } PS_Builder_FuncsRec;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Structure> */
+ /* PS_Builder */
+ /* */
+ /* <Description> */
+ /* A structure used during glyph loading to store its outline. */
+ /* */
+ /* <Fields> */
+ /* memory :: The current memory object. */
+ /* */
+ /* face :: The current face object. */
+ /* */
+ /* glyph :: The current glyph slot. */
+ /* */
+ /* loader :: XXX */
+ /* */
+ /* base :: The base glyph outline. */
+ /* */
+ /* current :: The current glyph outline. */
+ /* */
+ /* pos_x :: The horizontal translation (if composite glyph). */
+ /* */
+ /* pos_y :: The vertical translation (if composite glyph). */
+ /* */
+ /* left_bearing :: The left side bearing point. */
+ /* */
+ /* advance :: The horizontal advance vector. */
+ /* */
+ /* bbox :: Unused. */
+ /* */
+ /* path_begun :: A flag which indicates that a new path has begun. */
+ /* */
+ /* load_points :: If this flag is not set, no points are loaded. */
+ /* */
+ /* no_recurse :: Set but not used. */
+ /* */
+ /* metrics_only :: A boolean indicating that we only want to compute */
+ /* the metrics of a given glyph, not load all of its */
+ /* points. */
+ /* */
+ /* is_t1 :: Set if current font type is Type 1. */
+ /* */
+ /* funcs :: An array of function pointers for the builder. */
+ /* */
+ struct PS_Builder_
+ {
+ FT_Memory memory;
+ FT_Face face;
+ CFF_GlyphSlot glyph;
+ FT_GlyphLoader loader;
+ FT_Outline* base;
+ FT_Outline* current;
+
+ FT_Pos* pos_x;
+ FT_Pos* pos_y;
+
+ FT_Vector* left_bearing;
+ FT_Vector* advance;
+
+ FT_BBox* bbox; /* bounding box */
+ FT_Bool path_begun;
+ FT_Bool load_points;
+ FT_Bool no_recurse;
+
+ FT_Bool metrics_only;
+ FT_Bool is_t1;
+
+ PS_Builder_FuncsRec funcs;
+
+ };
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** PS DECODER *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+#define PS_MAX_OPERANDS 48
+#define PS_MAX_SUBRS_CALLS 16 /* maximum subroutine nesting; */
+ /* only 10 are allowed but there exist */
+ /* fonts like `HiraKakuProN-W3.ttf' */
+ /* (Hiragino Kaku Gothic ProN W3; */
+ /* 8.2d6e1; 2014-12-19) that exceed */
+ /* this limit */
+
+ /* execution context charstring zone */
+
+ typedef struct PS_Decoder_Zone_
+ {
+ FT_Byte* base;
+ FT_Byte* limit;
+ FT_Byte* cursor;
+
+ } PS_Decoder_Zone;
+
+
+ typedef FT_Error
+ (*CFF_Decoder_Get_Glyph_Callback)( TT_Face face,
+ FT_UInt glyph_index,
+ FT_Byte** pointer,
+ FT_ULong* length );
+
+ typedef void
+ (*CFF_Decoder_Free_Glyph_Callback)( TT_Face face,
+ FT_Byte** pointer,
+ FT_ULong length );
+
+
+ typedef struct PS_Decoder_
+ {
+ PS_Builder builder;
+
+ FT_Fixed stack[PS_MAX_OPERANDS + 1];
+ FT_Fixed* top;
+
+ PS_Decoder_Zone zones[PS_MAX_SUBRS_CALLS + 1];
+ PS_Decoder_Zone* zone;
+
+ FT_Int flex_state;
+ FT_Int num_flex_vectors;
+ FT_Vector flex_vectors[7];
+
+ CFF_Font cff;
+ CFF_SubFont current_subfont; /* for current glyph_index */
+ FT_Generic* cf2_instance;
+
+ FT_Pos* glyph_width;
+ FT_Bool width_only;
+ FT_Int num_hints;
+
+ FT_UInt num_locals;
+ FT_UInt num_globals;
+
+ FT_Int locals_bias;
+ FT_Int globals_bias;
+
+ FT_Byte** locals;
+ FT_Byte** globals;
+
+ FT_Byte** glyph_names; /* for pure CFF fonts only */
+ FT_UInt num_glyphs; /* number of glyphs in font */
+
+ FT_Render_Mode hint_mode;
+
+ FT_Bool seac;
+
+ CFF_Decoder_Get_Glyph_Callback get_glyph_callback;
+ CFF_Decoder_Free_Glyph_Callback free_glyph_callback;
+
+ /* Type 1 stuff */
+ FT_Service_PsCMaps psnames; /* for seac */
+
+ FT_Int lenIV; /* internal for sub routine calls */
+ FT_UInt* locals_len; /* array of subrs length (optional) */
+ FT_Hash locals_hash; /* used if `num_subrs' was massaged */
+
+ FT_Matrix font_matrix;
+ FT_Vector font_offset;
+
+ PS_Blend blend; /* for multiple master support */
+
+ FT_Long* buildchar;
+ FT_UInt len_buildchar;
+
+ } PS_Decoder;
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
/***** T1 BUILDER *****/
/***** *****/
/*************************************************************************/
@@ -652,10 +869,23 @@ FT_BEGIN_HEADER
void
(*done)( T1_Decoder decoder );
+#ifdef T1_CONFIG_OPTION_OLD_ENGINE
+ FT_Error
+ (*parse_charstrings_old)( T1_Decoder decoder,
+ FT_Byte* base,
+ FT_UInt len );
+#else
+ FT_Error
+ (*parse_metrics)( T1_Decoder decoder,
+ FT_Byte* base,
+ FT_UInt len );
+#endif
+
FT_Error
- (*parse_charstrings)( T1_Decoder decoder,
- FT_Byte* base,
- FT_UInt len );
+ (*parse_charstrings)( PS_Decoder* decoder,
+ FT_Byte* charstring_base,
+ FT_ULong charstring_len );
+
} T1_Decoder_FuncsRec;
@@ -678,6 +908,7 @@ FT_BEGIN_HEADER
FT_Int num_subrs;
FT_Byte** subrs;
FT_UInt* subrs_len; /* array of subrs length (optional) */
+ FT_Hash subrs_hash; /* used if `num_subrs' was massaged */
FT_Matrix font_matrix;
FT_Vector font_offset;
@@ -698,12 +929,261 @@ FT_BEGIN_HEADER
FT_Bool seac;
+ FT_Generic cf2_instance;
+
} T1_DecoderRec;
/*************************************************************************/
/*************************************************************************/
/***** *****/
+ /***** CFF BUILDER *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+
+ typedef struct CFF_Builder_ CFF_Builder;
+
+
+ typedef FT_Error
+ (*CFF_Builder_Check_Points_Func)( CFF_Builder* builder,
+ FT_Int count );
+
+ typedef void
+ (*CFF_Builder_Add_Point_Func)( CFF_Builder* builder,
+ FT_Pos x,
+ FT_Pos y,
+ FT_Byte flag );
+ typedef FT_Error
+ (*CFF_Builder_Add_Point1_Func)( CFF_Builder* builder,
+ FT_Pos x,
+ FT_Pos y );
+ typedef FT_Error
+ (*CFF_Builder_Start_Point_Func)( CFF_Builder* builder,
+ FT_Pos x,
+ FT_Pos y );
+ typedef void
+ (*CFF_Builder_Close_Contour_Func)( CFF_Builder* builder );
+
+ typedef FT_Error
+ (*CFF_Builder_Add_Contour_Func)( CFF_Builder* builder );
+
+ typedef const struct CFF_Builder_FuncsRec_* CFF_Builder_Funcs;
+
+ typedef struct CFF_Builder_FuncsRec_
+ {
+ void
+ (*init)( CFF_Builder* builder,
+ TT_Face face,
+ CFF_Size size,
+ CFF_GlyphSlot glyph,
+ FT_Bool hinting );
+
+ void
+ (*done)( CFF_Builder* builder );
+
+ CFF_Builder_Check_Points_Func check_points;
+ CFF_Builder_Add_Point_Func add_point;
+ CFF_Builder_Add_Point1_Func add_point1;
+ CFF_Builder_Add_Contour_Func add_contour;
+ CFF_Builder_Start_Point_Func start_point;
+ CFF_Builder_Close_Contour_Func close_contour;
+
+ } CFF_Builder_FuncsRec;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Structure> */
+ /* CFF_Builder */
+ /* */
+ /* <Description> */
+ /* A structure used during glyph loading to store its outline. */
+ /* */
+ /* <Fields> */
+ /* memory :: The current memory object. */
+ /* */
+ /* face :: The current face object. */
+ /* */
+ /* glyph :: The current glyph slot. */
+ /* */
+ /* loader :: The current glyph loader. */
+ /* */
+ /* base :: The base glyph outline. */
+ /* */
+ /* current :: The current glyph outline. */
+ /* */
+ /* pos_x :: The horizontal translation (if composite glyph). */
+ /* */
+ /* pos_y :: The vertical translation (if composite glyph). */
+ /* */
+ /* left_bearing :: The left side bearing point. */
+ /* */
+ /* advance :: The horizontal advance vector. */
+ /* */
+ /* bbox :: Unused. */
+ /* */
+ /* path_begun :: A flag which indicates that a new path has begun. */
+ /* */
+ /* load_points :: If this flag is not set, no points are loaded. */
+ /* */
+ /* no_recurse :: Set but not used. */
+ /* */
+ /* metrics_only :: A boolean indicating that we only want to compute */
+ /* the metrics of a given glyph, not load all of its */
+ /* points. */
+ /* */
+ /* hints_funcs :: Auxiliary pointer for hinting. */
+ /* */
+ /* hints_globals :: Auxiliary pointer for hinting. */
+ /* */
+ /* funcs :: A table of method pointers for this object. */
+ /* */
+ struct CFF_Builder_
+ {
+ FT_Memory memory;
+ TT_Face face;
+ CFF_GlyphSlot glyph;
+ FT_GlyphLoader loader;
+ FT_Outline* base;
+ FT_Outline* current;
+
+ FT_Pos pos_x;
+ FT_Pos pos_y;
+
+ FT_Vector left_bearing;
+ FT_Vector advance;
+
+ FT_BBox bbox; /* bounding box */
+
+ FT_Bool path_begun;
+ FT_Bool load_points;
+ FT_Bool no_recurse;
+
+ FT_Bool metrics_only;
+
+ void* hints_funcs; /* hinter-specific */
+ void* hints_globals; /* hinter-specific */
+
+ CFF_Builder_FuncsRec funcs;
+ };
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** CFF DECODER *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+
+#define CFF_MAX_OPERANDS 48
+#define CFF_MAX_SUBRS_CALLS 16 /* maximum subroutine nesting; */
+ /* only 10 are allowed but there exist */
+ /* fonts like `HiraKakuProN-W3.ttf' */
+ /* (Hiragino Kaku Gothic ProN W3; */
+ /* 8.2d6e1; 2014-12-19) that exceed */
+ /* this limit */
+#define CFF_MAX_TRANS_ELEMENTS 32
+
+ /* execution context charstring zone */
+
+ typedef struct CFF_Decoder_Zone_
+ {
+ FT_Byte* base;
+ FT_Byte* limit;
+ FT_Byte* cursor;
+
+ } CFF_Decoder_Zone;
+
+
+ typedef struct CFF_Decoder_
+ {
+ CFF_Builder builder;
+ CFF_Font cff;
+
+ FT_Fixed stack[CFF_MAX_OPERANDS + 1];
+ FT_Fixed* top;
+
+ CFF_Decoder_Zone zones[CFF_MAX_SUBRS_CALLS + 1];
+ CFF_Decoder_Zone* zone;
+
+ FT_Int flex_state;
+ FT_Int num_flex_vectors;
+ FT_Vector flex_vectors[7];
+
+ FT_Pos glyph_width;
+ FT_Pos nominal_width;
+
+ FT_Bool read_width;
+ FT_Bool width_only;
+ FT_Int num_hints;
+ FT_Fixed buildchar[CFF_MAX_TRANS_ELEMENTS];
+
+ FT_UInt num_locals;
+ FT_UInt num_globals;
+
+ FT_Int locals_bias;
+ FT_Int globals_bias;
+
+ FT_Byte** locals;
+ FT_Byte** globals;
+
+ FT_Byte** glyph_names; /* for pure CFF fonts only */
+ FT_UInt num_glyphs; /* number of glyphs in font */
+
+ FT_Render_Mode hint_mode;
+
+ FT_Bool seac;
+
+ CFF_SubFont current_subfont; /* for current glyph_index */
+
+ CFF_Decoder_Get_Glyph_Callback get_glyph_callback;
+ CFF_Decoder_Free_Glyph_Callback free_glyph_callback;
+
+ } CFF_Decoder;
+
+
+ typedef const struct CFF_Decoder_FuncsRec_* CFF_Decoder_Funcs;
+
+ typedef struct CFF_Decoder_FuncsRec_
+ {
+ void
+ (*init)( CFF_Decoder* decoder,
+ TT_Face face,
+ CFF_Size size,
+ CFF_GlyphSlot slot,
+ FT_Bool hinting,
+ FT_Render_Mode hint_mode,
+ CFF_Decoder_Get_Glyph_Callback get_callback,
+ CFF_Decoder_Free_Glyph_Callback free_callback );
+
+ FT_Error
+ (*prepare)( CFF_Decoder* decoder,
+ CFF_Size size,
+ FT_UInt glyph_index );
+
+#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
+ FT_Error
+ (*parse_charstrings_old)( CFF_Decoder* decoder,
+ FT_Byte* charstring_base,
+ FT_ULong charstring_len,
+ FT_Bool in_dict );
+#endif
+
+ FT_Error
+ (*parse_charstrings)( PS_Decoder* decoder,
+ FT_Byte* charstring_base,
+ FT_ULong charstring_len );
+
+ } CFF_Decoder_FuncsRec;
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
/***** AFM PARSER *****/
/***** *****/
/*************************************************************************/
@@ -808,14 +1288,29 @@ FT_BEGIN_HEADER
FT_Offset length,
FT_UShort seed );
+ FT_UInt32
+ (*cff_random)( FT_UInt32 r );
+
+ void
+ (*ps_decoder_init)( PS_Decoder* ps_decoder,
+ void* decoder,
+ FT_Bool is_t1 );
+
+ void
+ (*t1_make_subfont)( FT_Face face,
+ PS_Private priv,
+ CFF_SubFont subfont );
+
T1_CMap_Classes t1_cmap_classes;
/* fields after this comment line were added after version 2.1.10 */
const AFM_Parser_FuncsRec* afm_parser_funcs;
+ const CFF_Decoder_FuncsRec* cff_decoder_funcs;
+
} PSAux_ServiceRec, *PSAux_Service;
- /* backwards-compatible type definition */
+ /* backward compatible type definition */
typedef PSAux_ServiceRec PSAux_Interface;
@@ -871,7 +1366,7 @@ FT_BEGIN_HEADER
FT_END_HEADER
-#endif /* __PSAUX_H__ */
+#endif /* PSAUX_H_ */
/* END */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-16 17:07:00 +0000