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/****************************************************************************
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*
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* psaux.h
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*
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* Auxiliary functions and data structures related to PostScript fonts
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* (specification).
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*
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* Copyright (C) 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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49234
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#ifndef PSAUX_H_
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#define PSAUX_H_
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#include <ft2build.h>
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#include FT_INTERNAL_OBJECTS_H
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#include FT_INTERNAL_TYPE1_TYPES_H
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#include FT_INTERNAL_HASH_H
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#include FT_INTERNAL_TRUETYPE_TYPES_H
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#include FT_SERVICE_POSTSCRIPT_CMAPS_H
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#include FT_INTERNAL_CFF_TYPES_H
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#include FT_INTERNAL_CFF_OBJECTS_TYPES_H
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FT_BEGIN_HEADER
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54876
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/**************************************************************************
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*
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* PostScript modules driver class.
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*/
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typedef struct PS_DriverRec_
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{
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FT_DriverRec root;
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FT_UInt hinting_engine;
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FT_Bool no_stem_darkening;
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FT_Int darken_params[8];
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FT_Int32 random_seed;
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} PS_DriverRec, *PS_Driver;
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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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typedef struct PS_TableRec_* PS_Table;
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typedef const struct PS_Table_FuncsRec_* PS_Table_Funcs;
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/**************************************************************************
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*
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* @struct:
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* PS_Table_FuncsRec
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*
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* @description:
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* A set of function pointers to manage PS_Table objects.
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*
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* @fields:
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* table_init ::
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* Used to initialize a table.
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*
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* table_done ::
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* Finalizes resp. destroy a given table.
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*
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* table_add ::
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* Adds a new object to a table.
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*
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* table_release ::
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* Releases table data, then finalizes it.
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*/
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typedef struct PS_Table_FuncsRec_
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{
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FT_Error
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(*init)( PS_Table table,
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FT_Int count,
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FT_Memory memory );
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void
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(*done)( PS_Table table );
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FT_Error
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(*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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void
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(*release)( PS_Table table );
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} PS_Table_FuncsRec;
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/**************************************************************************
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*
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* @struct:
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* PS_TableRec
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*
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* @description:
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* A PS_Table is a simple object used to store an array of objects in a
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* single memory block.
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*
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* @fields:
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* block ::
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* The address in memory of the growheap's block. This can change
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* between two object adds, due to reallocation.
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*
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* cursor ::
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* The current top of the grow heap within its block.
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*
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* capacity ::
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* The current size of the heap block. Increments by 1kByte chunks.
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*
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* init ::
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* Set to 0xDEADBEEF if 'elements' and 'lengths' have been allocated.
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*
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* max_elems ::
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* The maximum number of elements in table.
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*
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* num_elems ::
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* The current number of elements in table.
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*
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* elements ::
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* A table of element addresses within the block.
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*
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* lengths ::
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* A table of element sizes within the block.
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*
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* memory ::
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* The object used for memory operations (alloc/realloc).
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*
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* funcs ::
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* A table of method pointers for this object.
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*/
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typedef struct PS_TableRec_
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{
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FT_Byte* block; /* current memory block */
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FT_Offset cursor; /* current cursor in memory block */
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FT_Offset capacity; /* current size of memory block */
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FT_ULong init;
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FT_Int max_elems;
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FT_Int num_elems;
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FT_Byte** elements; /* addresses of table elements */
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FT_UInt* lengths; /* lengths of table elements */
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FT_Memory memory;
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PS_Table_FuncsRec funcs;
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} PS_TableRec;
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** T1 FIELDS & TOKENS *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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typedef struct PS_ParserRec_* PS_Parser;
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typedef struct T1_TokenRec_* T1_Token;
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typedef struct T1_FieldRec_* T1_Field;
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/* simple enumeration type used to identify token types */
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typedef enum T1_TokenType_
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{
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T1_TOKEN_TYPE_NONE = 0,
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T1_TOKEN_TYPE_ANY,
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T1_TOKEN_TYPE_STRING,
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T1_TOKEN_TYPE_ARRAY,
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T1_TOKEN_TYPE_KEY, /* aka `name' */
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/* do not remove */
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T1_TOKEN_TYPE_MAX
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} T1_TokenType;
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/* a simple structure used to identify tokens */
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typedef struct T1_TokenRec_
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{
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FT_Byte* start; /* first character of token in input stream */
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FT_Byte* limit; /* first character after the token */
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T1_TokenType type; /* type of token */
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} T1_TokenRec;
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/* enumeration type used to identify object fields */
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typedef enum T1_FieldType_
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{
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T1_FIELD_TYPE_NONE = 0,
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T1_FIELD_TYPE_BOOL,
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T1_FIELD_TYPE_INTEGER,
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T1_FIELD_TYPE_FIXED,
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T1_FIELD_TYPE_FIXED_1000,
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T1_FIELD_TYPE_STRING,
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T1_FIELD_TYPE_KEY,
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T1_FIELD_TYPE_BBOX,
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T1_FIELD_TYPE_MM_BBOX,
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T1_FIELD_TYPE_INTEGER_ARRAY,
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T1_FIELD_TYPE_FIXED_ARRAY,
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T1_FIELD_TYPE_CALLBACK,
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/* do not remove */
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T1_FIELD_TYPE_MAX
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} T1_FieldType;
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typedef enum T1_FieldLocation_
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{
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T1_FIELD_LOCATION_CID_INFO,
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T1_FIELD_LOCATION_FONT_DICT,
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T1_FIELD_LOCATION_FONT_EXTRA,
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T1_FIELD_LOCATION_FONT_INFO,
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T1_FIELD_LOCATION_PRIVATE,
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T1_FIELD_LOCATION_BBOX,
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T1_FIELD_LOCATION_LOADER,
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T1_FIELD_LOCATION_FACE,
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T1_FIELD_LOCATION_BLEND,
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/* do not remove */
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T1_FIELD_LOCATION_MAX
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} T1_FieldLocation;
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typedef void
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(*T1_Field_ParseFunc)( FT_Face face,
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FT_Pointer parser );
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/* structure type used to model object fields */
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typedef struct T1_FieldRec_
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{
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const char* ident; /* field identifier */
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T1_FieldLocation location;
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T1_FieldType type; /* type of field */
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T1_Field_ParseFunc reader;
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FT_UInt offset; /* offset of field in object */
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FT_Byte size; /* size of field in bytes */
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FT_UInt array_max; /* maximum number of elements for */
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/* array */
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FT_UInt count_offset; /* offset of element count for */
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/* arrays; must not be zero if in */
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/* use -- in other words, a */
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/* `num_FOO' element must not */
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/* start the used structure if we */
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/* parse a `FOO' array */
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FT_UInt dict; /* where we expect it */
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} T1_FieldRec;
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#define T1_FIELD_DICT_FONTDICT ( 1 << 0 ) /* also FontInfo and FDArray */
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#define T1_FIELD_DICT_PRIVATE ( 1 << 1 )
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#define T1_NEW_SIMPLE_FIELD( _ident, _type, _fname, _dict ) \
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{ \
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_ident, T1CODE, _type, \
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0, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE( _fname ), \
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0, 0, \
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_dict \
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},
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#define T1_NEW_CALLBACK_FIELD( _ident, _reader, _dict ) \
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{ \
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_ident, T1CODE, T1_FIELD_TYPE_CALLBACK, \
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(T1_Field_ParseFunc)_reader, \
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0, 0, \
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0, 0, \
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_dict \
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},
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#define T1_NEW_TABLE_FIELD( _ident, _type, _fname, _max, _dict ) \
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{ \
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_ident, T1CODE, _type, \
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0, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE_DELTA( _fname ), \
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_max, \
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FT_FIELD_OFFSET( num_ ## _fname ), \
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_dict \
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},
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#define T1_NEW_TABLE_FIELD2( _ident, _type, _fname, _max, _dict ) \
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{ \
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_ident, T1CODE, _type, \
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0, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE_DELTA( _fname ), \
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_max, 0, \
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_dict \
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},
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#define T1_FIELD_BOOL( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_BOOL, _fname, _dict )
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#define T1_FIELD_NUM( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_INTEGER, _fname, _dict )
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#define T1_FIELD_FIXED( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_FIXED, _fname, _dict )
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328 |
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#define T1_FIELD_FIXED_1000( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_FIXED_1000, _fname, \
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_dict )
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332 |
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#define T1_FIELD_STRING( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_STRING, _fname, _dict )
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335 |
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#define T1_FIELD_KEY( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_KEY, _fname, _dict )
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338 |
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#define T1_FIELD_BBOX( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_BBOX, _fname, _dict )
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341 |
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342 |
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#define T1_FIELD_NUM_TABLE( _ident, _fname, _fmax, _dict ) \
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T1_NEW_TABLE_FIELD( _ident, T1_FIELD_TYPE_INTEGER_ARRAY, \
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_fname, _fmax, _dict )
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346 |
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#define T1_FIELD_FIXED_TABLE( _ident, _fname, _fmax, _dict ) \
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T1_NEW_TABLE_FIELD( _ident, T1_FIELD_TYPE_FIXED_ARRAY, \
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_fname, _fmax, _dict )
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350 |
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#define T1_FIELD_NUM_TABLE2( _ident, _fname, _fmax, _dict ) \
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T1_NEW_TABLE_FIELD2( _ident, T1_FIELD_TYPE_INTEGER_ARRAY, \
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_fname, _fmax, _dict )
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354 |
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#define T1_FIELD_FIXED_TABLE2( _ident, _fname, _fmax, _dict ) \
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356 |
T1_NEW_TABLE_FIELD2( _ident, T1_FIELD_TYPE_FIXED_ARRAY, \
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357 |
_fname, _fmax, _dict )
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358 |
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359 |
#define T1_FIELD_CALLBACK( _ident, _name, _dict ) \
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360 |
T1_NEW_CALLBACK_FIELD( _ident, _name, _dict )
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361 |
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362 |
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363 |
/*************************************************************************/
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364 |
/*************************************************************************/
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365 |
/***** *****/
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366 |
/***** T1 PARSER *****/
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367 |
/***** *****/
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368 |
/*************************************************************************/
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369 |
/*************************************************************************/
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370 |
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371 |
typedef const struct PS_Parser_FuncsRec_* PS_Parser_Funcs;
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372 |
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373 |
typedef struct PS_Parser_FuncsRec_
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374 |
{
|
|
|
375 |
void
|
|
|
376 |
(*init)( PS_Parser parser,
|
|
|
377 |
FT_Byte* base,
|
|
|
378 |
FT_Byte* limit,
|
|
|
379 |
FT_Memory memory );
|
|
|
380 |
|
|
|
381 |
void
|
|
|
382 |
(*done)( PS_Parser parser );
|
|
|
383 |
|
|
|
384 |
void
|
|
|
385 |
(*skip_spaces)( PS_Parser parser );
|
|
|
386 |
void
|
|
|
387 |
(*skip_PS_token)( PS_Parser parser );
|
|
|
388 |
|
|
|
389 |
FT_Long
|
|
|
390 |
(*to_int)( PS_Parser parser );
|
|
|
391 |
FT_Fixed
|
|
|
392 |
(*to_fixed)( PS_Parser parser,
|
|
|
393 |
FT_Int power_ten );
|
|
|
394 |
|
|
|
395 |
FT_Error
|
|
|
396 |
(*to_bytes)( PS_Parser parser,
|
|
|
397 |
FT_Byte* bytes,
|
|
|
398 |
FT_Offset max_bytes,
|
|
|
399 |
FT_ULong* pnum_bytes,
|
|
|
400 |
FT_Bool delimiters );
|
|
|
401 |
|
|
|
402 |
FT_Int
|
|
|
403 |
(*to_coord_array)( PS_Parser parser,
|
|
|
404 |
FT_Int max_coords,
|
|
|
405 |
FT_Short* coords );
|
|
|
406 |
FT_Int
|
|
|
407 |
(*to_fixed_array)( PS_Parser parser,
|
|
|
408 |
FT_Int max_values,
|
|
|
409 |
FT_Fixed* values,
|
|
|
410 |
FT_Int power_ten );
|
|
|
411 |
|
|
|
412 |
void
|
|
|
413 |
(*to_token)( PS_Parser parser,
|
|
|
414 |
T1_Token token );
|
|
|
415 |
void
|
|
|
416 |
(*to_token_array)( PS_Parser parser,
|
|
|
417 |
T1_Token tokens,
|
|
|
418 |
FT_UInt max_tokens,
|
|
|
419 |
FT_Int* pnum_tokens );
|
|
|
420 |
|
|
|
421 |
FT_Error
|
|
|
422 |
(*load_field)( PS_Parser parser,
|
|
|
423 |
const T1_Field field,
|
|
|
424 |
void** objects,
|
|
|
425 |
FT_UInt max_objects,
|
|
|
426 |
FT_ULong* pflags );
|
|
|
427 |
|
|
|
428 |
FT_Error
|
|
|
429 |
(*load_field_table)( PS_Parser parser,
|
|
|
430 |
const T1_Field field,
|
|
|
431 |
void** objects,
|
|
|
432 |
FT_UInt max_objects,
|
|
|
433 |
FT_ULong* pflags );
|
|
|
434 |
|
|
|
435 |
} PS_Parser_FuncsRec;
|
|
|
436 |
|
|
|
437 |
|
|
54876
|
438 |
/**************************************************************************
|
|
|
439 |
*
|
|
|
440 |
* @struct:
|
|
|
441 |
* PS_ParserRec
|
|
|
442 |
*
|
|
|
443 |
* @description:
|
|
|
444 |
* A PS_Parser is an object used to parse a Type 1 font very quickly.
|
|
|
445 |
*
|
|
|
446 |
* @fields:
|
|
|
447 |
* cursor ::
|
|
|
448 |
* The current position in the text.
|
|
|
449 |
*
|
|
|
450 |
* base ::
|
|
|
451 |
* Start of the processed text.
|
|
|
452 |
*
|
|
|
453 |
* limit ::
|
|
|
454 |
* End of the processed text.
|
|
|
455 |
*
|
|
|
456 |
* error ::
|
|
|
457 |
* The last error returned.
|
|
|
458 |
*
|
|
|
459 |
* memory ::
|
|
|
460 |
* The object used for memory operations (alloc/realloc).
|
|
|
461 |
*
|
|
|
462 |
* funcs ::
|
|
|
463 |
* A table of functions for the parser.
|
|
|
464 |
*/
|
|
49234
|
465 |
typedef struct PS_ParserRec_
|
|
|
466 |
{
|
|
|
467 |
FT_Byte* cursor;
|
|
|
468 |
FT_Byte* base;
|
|
|
469 |
FT_Byte* limit;
|
|
|
470 |
FT_Error error;
|
|
|
471 |
FT_Memory memory;
|
|
|
472 |
|
|
|
473 |
PS_Parser_FuncsRec funcs;
|
|
|
474 |
|
|
|
475 |
} PS_ParserRec;
|
|
|
476 |
|
|
|
477 |
|
|
|
478 |
/*************************************************************************/
|
|
|
479 |
/*************************************************************************/
|
|
|
480 |
/***** *****/
|
|
|
481 |
/***** PS BUILDER *****/
|
|
|
482 |
/***** *****/
|
|
|
483 |
/*************************************************************************/
|
|
|
484 |
/*************************************************************************/
|
|
|
485 |
|
|
|
486 |
|
|
|
487 |
typedef struct PS_Builder_ PS_Builder;
|
|
|
488 |
typedef const struct PS_Builder_FuncsRec_* PS_Builder_Funcs;
|
|
|
489 |
|
|
|
490 |
typedef struct PS_Builder_FuncsRec_
|
|
|
491 |
{
|
|
|
492 |
void
|
|
|
493 |
(*init)( PS_Builder* ps_builder,
|
|
|
494 |
void* builder,
|
|
|
495 |
FT_Bool is_t1 );
|
|
|
496 |
|
|
|
497 |
void
|
|
|
498 |
(*done)( PS_Builder* builder );
|
|
|
499 |
|
|
|
500 |
} PS_Builder_FuncsRec;
|
|
|
501 |
|
|
|
502 |
|
|
54876
|
503 |
/**************************************************************************
|
|
|
504 |
*
|
|
|
505 |
* @struct:
|
|
|
506 |
* PS_Builder
|
|
|
507 |
*
|
|
|
508 |
* @description:
|
|
|
509 |
* A structure used during glyph loading to store its outline.
|
|
|
510 |
*
|
|
|
511 |
* @fields:
|
|
|
512 |
* memory ::
|
|
|
513 |
* The current memory object.
|
|
|
514 |
*
|
|
|
515 |
* face ::
|
|
|
516 |
* The current face object.
|
|
|
517 |
*
|
|
|
518 |
* glyph ::
|
|
|
519 |
* The current glyph slot.
|
|
|
520 |
*
|
|
|
521 |
* loader ::
|
|
|
522 |
* XXX
|
|
|
523 |
*
|
|
|
524 |
* base ::
|
|
|
525 |
* The base glyph outline.
|
|
|
526 |
*
|
|
|
527 |
* current ::
|
|
|
528 |
* The current glyph outline.
|
|
|
529 |
*
|
|
|
530 |
* pos_x ::
|
|
|
531 |
* The horizontal translation (if composite glyph).
|
|
|
532 |
*
|
|
|
533 |
* pos_y ::
|
|
|
534 |
* The vertical translation (if composite glyph).
|
|
|
535 |
*
|
|
|
536 |
* left_bearing ::
|
|
|
537 |
* The left side bearing point.
|
|
|
538 |
*
|
|
|
539 |
* advance ::
|
|
|
540 |
* The horizontal advance vector.
|
|
|
541 |
*
|
|
|
542 |
* bbox ::
|
|
|
543 |
* Unused.
|
|
|
544 |
*
|
|
|
545 |
* path_begun ::
|
|
|
546 |
* A flag which indicates that a new path has begun.
|
|
|
547 |
*
|
|
|
548 |
* load_points ::
|
|
|
549 |
* If this flag is not set, no points are loaded.
|
|
|
550 |
*
|
|
|
551 |
* no_recurse ::
|
|
|
552 |
* Set but not used.
|
|
|
553 |
*
|
|
|
554 |
* metrics_only ::
|
|
|
555 |
* A boolean indicating that we only want to compute the metrics of a
|
|
|
556 |
* given glyph, not load all of its points.
|
|
|
557 |
*
|
|
|
558 |
* is_t1 ::
|
|
|
559 |
* Set if current font type is Type 1.
|
|
|
560 |
*
|
|
|
561 |
* funcs ::
|
|
|
562 |
* An array of function pointers for the builder.
|
|
|
563 |
*/
|
|
49234
|
564 |
struct PS_Builder_
|
|
|
565 |
{
|
|
|
566 |
FT_Memory memory;
|
|
|
567 |
FT_Face face;
|
|
|
568 |
CFF_GlyphSlot glyph;
|
|
|
569 |
FT_GlyphLoader loader;
|
|
|
570 |
FT_Outline* base;
|
|
|
571 |
FT_Outline* current;
|
|
|
572 |
|
|
|
573 |
FT_Pos* pos_x;
|
|
|
574 |
FT_Pos* pos_y;
|
|
|
575 |
|
|
|
576 |
FT_Vector* left_bearing;
|
|
|
577 |
FT_Vector* advance;
|
|
|
578 |
|
|
|
579 |
FT_BBox* bbox; /* bounding box */
|
|
|
580 |
FT_Bool path_begun;
|
|
|
581 |
FT_Bool load_points;
|
|
|
582 |
FT_Bool no_recurse;
|
|
|
583 |
|
|
|
584 |
FT_Bool metrics_only;
|
|
|
585 |
FT_Bool is_t1;
|
|
|
586 |
|
|
|
587 |
PS_Builder_FuncsRec funcs;
|
|
|
588 |
|
|
|
589 |
};
|
|
|
590 |
|
|
|
591 |
|
|
|
592 |
/*************************************************************************/
|
|
|
593 |
/*************************************************************************/
|
|
|
594 |
/***** *****/
|
|
|
595 |
/***** PS DECODER *****/
|
|
|
596 |
/***** *****/
|
|
|
597 |
/*************************************************************************/
|
|
|
598 |
/*************************************************************************/
|
|
|
599 |
|
|
|
600 |
#define PS_MAX_OPERANDS 48
|
|
|
601 |
#define PS_MAX_SUBRS_CALLS 16 /* maximum subroutine nesting; */
|
|
|
602 |
/* only 10 are allowed but there exist */
|
|
|
603 |
/* fonts like `HiraKakuProN-W3.ttf' */
|
|
|
604 |
/* (Hiragino Kaku Gothic ProN W3; */
|
|
|
605 |
/* 8.2d6e1; 2014-12-19) that exceed */
|
|
|
606 |
/* this limit */
|
|
|
607 |
|
|
|
608 |
/* execution context charstring zone */
|
|
|
609 |
|
|
|
610 |
typedef struct PS_Decoder_Zone_
|
|
|
611 |
{
|
|
|
612 |
FT_Byte* base;
|
|
|
613 |
FT_Byte* limit;
|
|
|
614 |
FT_Byte* cursor;
|
|
|
615 |
|
|
|
616 |
} PS_Decoder_Zone;
|
|
|
617 |
|
|
|
618 |
|
|
|
619 |
typedef FT_Error
|
|
|
620 |
(*CFF_Decoder_Get_Glyph_Callback)( TT_Face face,
|
|
|
621 |
FT_UInt glyph_index,
|
|
|
622 |
FT_Byte** pointer,
|
|
|
623 |
FT_ULong* length );
|
|
|
624 |
|
|
|
625 |
typedef void
|
|
|
626 |
(*CFF_Decoder_Free_Glyph_Callback)( TT_Face face,
|
|
|
627 |
FT_Byte** pointer,
|
|
|
628 |
FT_ULong length );
|
|
|
629 |
|
|
|
630 |
|
|
|
631 |
typedef struct PS_Decoder_
|
|
|
632 |
{
|
|
|
633 |
PS_Builder builder;
|
|
|
634 |
|
|
|
635 |
FT_Fixed stack[PS_MAX_OPERANDS + 1];
|
|
|
636 |
FT_Fixed* top;
|
|
|
637 |
|
|
|
638 |
PS_Decoder_Zone zones[PS_MAX_SUBRS_CALLS + 1];
|
|
|
639 |
PS_Decoder_Zone* zone;
|
|
|
640 |
|
|
|
641 |
FT_Int flex_state;
|
|
|
642 |
FT_Int num_flex_vectors;
|
|
|
643 |
FT_Vector flex_vectors[7];
|
|
|
644 |
|
|
|
645 |
CFF_Font cff;
|
|
|
646 |
CFF_SubFont current_subfont; /* for current glyph_index */
|
|
|
647 |
FT_Generic* cf2_instance;
|
|
|
648 |
|
|
|
649 |
FT_Pos* glyph_width;
|
|
|
650 |
FT_Bool width_only;
|
|
|
651 |
FT_Int num_hints;
|
|
|
652 |
|
|
|
653 |
FT_UInt num_locals;
|
|
|
654 |
FT_UInt num_globals;
|
|
|
655 |
|
|
|
656 |
FT_Int locals_bias;
|
|
|
657 |
FT_Int globals_bias;
|
|
|
658 |
|
|
|
659 |
FT_Byte** locals;
|
|
|
660 |
FT_Byte** globals;
|
|
|
661 |
|
|
|
662 |
FT_Byte** glyph_names; /* for pure CFF fonts only */
|
|
|
663 |
FT_UInt num_glyphs; /* number of glyphs in font */
|
|
|
664 |
|
|
|
665 |
FT_Render_Mode hint_mode;
|
|
|
666 |
|
|
|
667 |
FT_Bool seac;
|
|
|
668 |
|
|
|
669 |
CFF_Decoder_Get_Glyph_Callback get_glyph_callback;
|
|
|
670 |
CFF_Decoder_Free_Glyph_Callback free_glyph_callback;
|
|
|
671 |
|
|
|
672 |
/* Type 1 stuff */
|
|
|
673 |
FT_Service_PsCMaps psnames; /* for seac */
|
|
|
674 |
|
|
|
675 |
FT_Int lenIV; /* internal for sub routine calls */
|
|
|
676 |
FT_UInt* locals_len; /* array of subrs length (optional) */
|
|
|
677 |
FT_Hash locals_hash; /* used if `num_subrs' was massaged */
|
|
|
678 |
|
|
|
679 |
FT_Matrix font_matrix;
|
|
|
680 |
FT_Vector font_offset;
|
|
|
681 |
|
|
|
682 |
PS_Blend blend; /* for multiple master support */
|
|
|
683 |
|
|
|
684 |
FT_Long* buildchar;
|
|
|
685 |
FT_UInt len_buildchar;
|
|
|
686 |
|
|
|
687 |
} PS_Decoder;
|
|
|
688 |
|
|
|
689 |
|
|
|
690 |
/*************************************************************************/
|
|
|
691 |
/*************************************************************************/
|
|
|
692 |
/***** *****/
|
|
|
693 |
/***** T1 BUILDER *****/
|
|
|
694 |
/***** *****/
|
|
|
695 |
/*************************************************************************/
|
|
|
696 |
/*************************************************************************/
|
|
|
697 |
|
|
|
698 |
|
|
|
699 |
typedef struct T1_BuilderRec_* T1_Builder;
|
|
|
700 |
|
|
|
701 |
|
|
|
702 |
typedef FT_Error
|
|
|
703 |
(*T1_Builder_Check_Points_Func)( T1_Builder builder,
|
|
|
704 |
FT_Int count );
|
|
|
705 |
|
|
|
706 |
typedef void
|
|
|
707 |
(*T1_Builder_Add_Point_Func)( T1_Builder builder,
|
|
|
708 |
FT_Pos x,
|
|
|
709 |
FT_Pos y,
|
|
|
710 |
FT_Byte flag );
|
|
|
711 |
|
|
|
712 |
typedef FT_Error
|
|
|
713 |
(*T1_Builder_Add_Point1_Func)( T1_Builder builder,
|
|
|
714 |
FT_Pos x,
|
|
|
715 |
FT_Pos y );
|
|
|
716 |
|
|
|
717 |
typedef FT_Error
|
|
|
718 |
(*T1_Builder_Add_Contour_Func)( T1_Builder builder );
|
|
|
719 |
|
|
|
720 |
typedef FT_Error
|
|
|
721 |
(*T1_Builder_Start_Point_Func)( T1_Builder builder,
|
|
|
722 |
FT_Pos x,
|
|
|
723 |
FT_Pos y );
|
|
|
724 |
|
|
|
725 |
typedef void
|
|
|
726 |
(*T1_Builder_Close_Contour_Func)( T1_Builder builder );
|
|
|
727 |
|
|
|
728 |
|
|
|
729 |
typedef const struct T1_Builder_FuncsRec_* T1_Builder_Funcs;
|
|
|
730 |
|
|
|
731 |
typedef struct T1_Builder_FuncsRec_
|
|
|
732 |
{
|
|
|
733 |
void
|
|
|
734 |
(*init)( T1_Builder builder,
|
|
|
735 |
FT_Face face,
|
|
|
736 |
FT_Size size,
|
|
|
737 |
FT_GlyphSlot slot,
|
|
|
738 |
FT_Bool hinting );
|
|
|
739 |
|
|
|
740 |
void
|
|
|
741 |
(*done)( T1_Builder builder );
|
|
|
742 |
|
|
|
743 |
T1_Builder_Check_Points_Func check_points;
|
|
|
744 |
T1_Builder_Add_Point_Func add_point;
|
|
|
745 |
T1_Builder_Add_Point1_Func add_point1;
|
|
|
746 |
T1_Builder_Add_Contour_Func add_contour;
|
|
|
747 |
T1_Builder_Start_Point_Func start_point;
|
|
|
748 |
T1_Builder_Close_Contour_Func close_contour;
|
|
|
749 |
|
|
|
750 |
} T1_Builder_FuncsRec;
|
|
|
751 |
|
|
|
752 |
|
|
|
753 |
/* an enumeration type to handle charstring parsing states */
|
|
|
754 |
typedef enum T1_ParseState_
|
|
|
755 |
{
|
|
|
756 |
T1_Parse_Start,
|
|
|
757 |
T1_Parse_Have_Width,
|
|
|
758 |
T1_Parse_Have_Moveto,
|
|
|
759 |
T1_Parse_Have_Path
|
|
|
760 |
|
|
|
761 |
} T1_ParseState;
|
|
|
762 |
|
|
|
763 |
|
|
54876
|
764 |
/**************************************************************************
|
|
|
765 |
*
|
|
|
766 |
* @struct:
|
|
|
767 |
* T1_BuilderRec
|
|
|
768 |
*
|
|
|
769 |
* @description:
|
|
|
770 |
* A structure used during glyph loading to store its outline.
|
|
|
771 |
*
|
|
|
772 |
* @fields:
|
|
|
773 |
* memory ::
|
|
|
774 |
* The current memory object.
|
|
|
775 |
*
|
|
|
776 |
* face ::
|
|
|
777 |
* The current face object.
|
|
|
778 |
*
|
|
|
779 |
* glyph ::
|
|
|
780 |
* The current glyph slot.
|
|
|
781 |
*
|
|
|
782 |
* loader ::
|
|
|
783 |
* XXX
|
|
|
784 |
*
|
|
|
785 |
* base ::
|
|
|
786 |
* The base glyph outline.
|
|
|
787 |
*
|
|
|
788 |
* current ::
|
|
|
789 |
* The current glyph outline.
|
|
|
790 |
*
|
|
|
791 |
* max_points ::
|
|
|
792 |
* maximum points in builder outline
|
|
|
793 |
*
|
|
|
794 |
* max_contours ::
|
|
|
795 |
* Maximum number of contours in builder outline.
|
|
|
796 |
*
|
|
|
797 |
* pos_x ::
|
|
|
798 |
* The horizontal translation (if composite glyph).
|
|
|
799 |
*
|
|
|
800 |
* pos_y ::
|
|
|
801 |
* The vertical translation (if composite glyph).
|
|
|
802 |
*
|
|
|
803 |
* left_bearing ::
|
|
|
804 |
* The left side bearing point.
|
|
|
805 |
*
|
|
|
806 |
* advance ::
|
|
|
807 |
* The horizontal advance vector.
|
|
|
808 |
*
|
|
|
809 |
* bbox ::
|
|
|
810 |
* Unused.
|
|
|
811 |
*
|
|
|
812 |
* parse_state ::
|
|
|
813 |
* An enumeration which controls the charstring parsing state.
|
|
|
814 |
*
|
|
|
815 |
* load_points ::
|
|
|
816 |
* If this flag is not set, no points are loaded.
|
|
|
817 |
*
|
|
|
818 |
* no_recurse ::
|
|
|
819 |
* Set but not used.
|
|
|
820 |
*
|
|
|
821 |
* metrics_only ::
|
|
|
822 |
* A boolean indicating that we only want to compute the metrics of a
|
|
|
823 |
* given glyph, not load all of its points.
|
|
|
824 |
*
|
|
|
825 |
* funcs ::
|
|
|
826 |
* An array of function pointers for the builder.
|
|
|
827 |
*/
|
|
49234
|
828 |
typedef struct T1_BuilderRec_
|
|
|
829 |
{
|
|
|
830 |
FT_Memory memory;
|
|
|
831 |
FT_Face face;
|
|
|
832 |
FT_GlyphSlot glyph;
|
|
|
833 |
FT_GlyphLoader loader;
|
|
|
834 |
FT_Outline* base;
|
|
|
835 |
FT_Outline* current;
|
|
|
836 |
|
|
|
837 |
FT_Pos pos_x;
|
|
|
838 |
FT_Pos pos_y;
|
|
|
839 |
|
|
|
840 |
FT_Vector left_bearing;
|
|
|
841 |
FT_Vector advance;
|
|
|
842 |
|
|
|
843 |
FT_BBox bbox; /* bounding box */
|
|
|
844 |
T1_ParseState parse_state;
|
|
|
845 |
FT_Bool load_points;
|
|
|
846 |
FT_Bool no_recurse;
|
|
|
847 |
|
|
|
848 |
FT_Bool metrics_only;
|
|
|
849 |
|
|
|
850 |
void* hints_funcs; /* hinter-specific */
|
|
|
851 |
void* hints_globals; /* hinter-specific */
|
|
|
852 |
|
|
|
853 |
T1_Builder_FuncsRec funcs;
|
|
|
854 |
|
|
|
855 |
} T1_BuilderRec;
|
|
|
856 |
|
|
|
857 |
|
|
|
858 |
/*************************************************************************/
|
|
|
859 |
/*************************************************************************/
|
|
|
860 |
/***** *****/
|
|
|
861 |
/***** T1 DECODER *****/
|
|
|
862 |
/***** *****/
|
|
|
863 |
/*************************************************************************/
|
|
|
864 |
/*************************************************************************/
|
|
|
865 |
|
|
|
866 |
#if 0
|
|
|
867 |
|
|
54876
|
868 |
/**************************************************************************
|
|
|
869 |
*
|
|
|
870 |
* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine
|
|
|
871 |
* calls during glyph loading.
|
|
|
872 |
*/
|
|
49234
|
873 |
#define T1_MAX_SUBRS_CALLS 8
|
|
|
874 |
|
|
|
875 |
|
|
54876
|
876 |
/**************************************************************************
|
|
|
877 |
*
|
|
|
878 |
* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity. A
|
|
|
879 |
* minimum of 16 is required.
|
|
|
880 |
*/
|
|
49234
|
881 |
#define T1_MAX_CHARSTRINGS_OPERANDS 32
|
|
|
882 |
|
|
|
883 |
#endif /* 0 */
|
|
|
884 |
|
|
|
885 |
|
|
|
886 |
typedef struct T1_Decoder_ZoneRec_
|
|
|
887 |
{
|
|
|
888 |
FT_Byte* cursor;
|
|
|
889 |
FT_Byte* base;
|
|
|
890 |
FT_Byte* limit;
|
|
|
891 |
|
|
|
892 |
} T1_Decoder_ZoneRec, *T1_Decoder_Zone;
|
|
|
893 |
|
|
|
894 |
|
|
|
895 |
typedef struct T1_DecoderRec_* T1_Decoder;
|
|
|
896 |
typedef const struct T1_Decoder_FuncsRec_* T1_Decoder_Funcs;
|
|
|
897 |
|
|
|
898 |
|
|
|
899 |
typedef FT_Error
|
|
|
900 |
(*T1_Decoder_Callback)( T1_Decoder decoder,
|
|
|
901 |
FT_UInt glyph_index );
|
|
|
902 |
|
|
|
903 |
|
|
|
904 |
typedef struct T1_Decoder_FuncsRec_
|
|
|
905 |
{
|
|
|
906 |
FT_Error
|
|
|
907 |
(*init)( T1_Decoder decoder,
|
|
|
908 |
FT_Face face,
|
|
|
909 |
FT_Size size,
|
|
|
910 |
FT_GlyphSlot slot,
|
|
|
911 |
FT_Byte** glyph_names,
|
|
|
912 |
PS_Blend blend,
|
|
|
913 |
FT_Bool hinting,
|
|
|
914 |
FT_Render_Mode hint_mode,
|
|
|
915 |
T1_Decoder_Callback callback );
|
|
|
916 |
|
|
|
917 |
void
|
|
|
918 |
(*done)( T1_Decoder decoder );
|
|
|
919 |
|
|
|
920 |
#ifdef T1_CONFIG_OPTION_OLD_ENGINE
|
|
|
921 |
FT_Error
|
|
|
922 |
(*parse_charstrings_old)( T1_Decoder decoder,
|
|
|
923 |
FT_Byte* base,
|
|
|
924 |
FT_UInt len );
|
|
|
925 |
#else
|
|
|
926 |
FT_Error
|
|
|
927 |
(*parse_metrics)( T1_Decoder decoder,
|
|
|
928 |
FT_Byte* base,
|
|
|
929 |
FT_UInt len );
|
|
|
930 |
#endif
|
|
|
931 |
|
|
|
932 |
FT_Error
|
|
|
933 |
(*parse_charstrings)( PS_Decoder* decoder,
|
|
|
934 |
FT_Byte* charstring_base,
|
|
|
935 |
FT_ULong charstring_len );
|
|
|
936 |
|
|
|
937 |
|
|
|
938 |
} T1_Decoder_FuncsRec;
|
|
|
939 |
|
|
|
940 |
|
|
|
941 |
typedef struct T1_DecoderRec_
|
|
|
942 |
{
|
|
|
943 |
T1_BuilderRec builder;
|
|
|
944 |
|
|
|
945 |
FT_Long stack[T1_MAX_CHARSTRINGS_OPERANDS];
|
|
|
946 |
FT_Long* top;
|
|
|
947 |
|
|
|
948 |
T1_Decoder_ZoneRec zones[T1_MAX_SUBRS_CALLS + 1];
|
|
|
949 |
T1_Decoder_Zone zone;
|
|
|
950 |
|
|
|
951 |
FT_Service_PsCMaps psnames; /* for seac */
|
|
|
952 |
FT_UInt num_glyphs;
|
|
|
953 |
FT_Byte** glyph_names;
|
|
|
954 |
|
|
|
955 |
FT_Int lenIV; /* internal for sub routine calls */
|
|
|
956 |
FT_Int num_subrs;
|
|
|
957 |
FT_Byte** subrs;
|
|
|
958 |
FT_UInt* subrs_len; /* array of subrs length (optional) */
|
|
|
959 |
FT_Hash subrs_hash; /* used if `num_subrs' was massaged */
|
|
|
960 |
|
|
|
961 |
FT_Matrix font_matrix;
|
|
|
962 |
FT_Vector font_offset;
|
|
|
963 |
|
|
|
964 |
FT_Int flex_state;
|
|
|
965 |
FT_Int num_flex_vectors;
|
|
|
966 |
FT_Vector flex_vectors[7];
|
|
|
967 |
|
|
|
968 |
PS_Blend blend; /* for multiple master support */
|
|
|
969 |
|
|
|
970 |
FT_Render_Mode hint_mode;
|
|
|
971 |
|
|
|
972 |
T1_Decoder_Callback parse_callback;
|
|
|
973 |
T1_Decoder_FuncsRec funcs;
|
|
|
974 |
|
|
|
975 |
FT_Long* buildchar;
|
|
|
976 |
FT_UInt len_buildchar;
|
|
|
977 |
|
|
|
978 |
FT_Bool seac;
|
|
|
979 |
|
|
|
980 |
FT_Generic cf2_instance;
|
|
|
981 |
|
|
|
982 |
} T1_DecoderRec;
|
|
|
983 |
|
|
|
984 |
|
|
|
985 |
/*************************************************************************/
|
|
|
986 |
/*************************************************************************/
|
|
|
987 |
/***** *****/
|
|
|
988 |
/***** CFF BUILDER *****/
|
|
|
989 |
/***** *****/
|
|
|
990 |
/*************************************************************************/
|
|
|
991 |
/*************************************************************************/
|
|
|
992 |
|
|
|
993 |
|
|
|
994 |
typedef struct CFF_Builder_ CFF_Builder;
|
|
|
995 |
|
|
|
996 |
|
|
|
997 |
typedef FT_Error
|
|
|
998 |
(*CFF_Builder_Check_Points_Func)( CFF_Builder* builder,
|
|
|
999 |
FT_Int count );
|
|
|
1000 |
|
|
|
1001 |
typedef void
|
|
|
1002 |
(*CFF_Builder_Add_Point_Func)( CFF_Builder* builder,
|
|
|
1003 |
FT_Pos x,
|
|
|
1004 |
FT_Pos y,
|
|
|
1005 |
FT_Byte flag );
|
|
|
1006 |
typedef FT_Error
|
|
|
1007 |
(*CFF_Builder_Add_Point1_Func)( CFF_Builder* builder,
|
|
|
1008 |
FT_Pos x,
|
|
|
1009 |
FT_Pos y );
|
|
|
1010 |
typedef FT_Error
|
|
|
1011 |
(*CFF_Builder_Start_Point_Func)( CFF_Builder* builder,
|
|
|
1012 |
FT_Pos x,
|
|
|
1013 |
FT_Pos y );
|
|
|
1014 |
typedef void
|
|
|
1015 |
(*CFF_Builder_Close_Contour_Func)( CFF_Builder* builder );
|
|
|
1016 |
|
|
|
1017 |
typedef FT_Error
|
|
|
1018 |
(*CFF_Builder_Add_Contour_Func)( CFF_Builder* builder );
|
|
|
1019 |
|
|
|
1020 |
typedef const struct CFF_Builder_FuncsRec_* CFF_Builder_Funcs;
|
|
|
1021 |
|
|
|
1022 |
typedef struct CFF_Builder_FuncsRec_
|
|
|
1023 |
{
|
|
|
1024 |
void
|
|
|
1025 |
(*init)( CFF_Builder* builder,
|
|
|
1026 |
TT_Face face,
|
|
|
1027 |
CFF_Size size,
|
|
|
1028 |
CFF_GlyphSlot glyph,
|
|
|
1029 |
FT_Bool hinting );
|
|
|
1030 |
|
|
|
1031 |
void
|
|
|
1032 |
(*done)( CFF_Builder* builder );
|
|
|
1033 |
|
|
|
1034 |
CFF_Builder_Check_Points_Func check_points;
|
|
|
1035 |
CFF_Builder_Add_Point_Func add_point;
|
|
|
1036 |
CFF_Builder_Add_Point1_Func add_point1;
|
|
|
1037 |
CFF_Builder_Add_Contour_Func add_contour;
|
|
|
1038 |
CFF_Builder_Start_Point_Func start_point;
|
|
|
1039 |
CFF_Builder_Close_Contour_Func close_contour;
|
|
|
1040 |
|
|
|
1041 |
} CFF_Builder_FuncsRec;
|
|
|
1042 |
|
|
|
1043 |
|
|
54876
|
1044 |
/**************************************************************************
|
|
|
1045 |
*
|
|
|
1046 |
* @struct:
|
|
|
1047 |
* CFF_Builder
|
|
|
1048 |
*
|
|
|
1049 |
* @description:
|
|
|
1050 |
* A structure used during glyph loading to store its outline.
|
|
|
1051 |
*
|
|
|
1052 |
* @fields:
|
|
|
1053 |
* memory ::
|
|
|
1054 |
* The current memory object.
|
|
|
1055 |
*
|
|
|
1056 |
* face ::
|
|
|
1057 |
* The current face object.
|
|
|
1058 |
*
|
|
|
1059 |
* glyph ::
|
|
|
1060 |
* The current glyph slot.
|
|
|
1061 |
*
|
|
|
1062 |
* loader ::
|
|
|
1063 |
* The current glyph loader.
|
|
|
1064 |
*
|
|
|
1065 |
* base ::
|
|
|
1066 |
* The base glyph outline.
|
|
|
1067 |
*
|
|
|
1068 |
* current ::
|
|
|
1069 |
* The current glyph outline.
|
|
|
1070 |
*
|
|
|
1071 |
* pos_x ::
|
|
|
1072 |
* The horizontal translation (if composite glyph).
|
|
|
1073 |
*
|
|
|
1074 |
* pos_y ::
|
|
|
1075 |
* The vertical translation (if composite glyph).
|
|
|
1076 |
*
|
|
|
1077 |
* left_bearing ::
|
|
|
1078 |
* The left side bearing point.
|
|
|
1079 |
*
|
|
|
1080 |
* advance ::
|
|
|
1081 |
* The horizontal advance vector.
|
|
|
1082 |
*
|
|
|
1083 |
* bbox ::
|
|
|
1084 |
* Unused.
|
|
|
1085 |
*
|
|
|
1086 |
* path_begun ::
|
|
|
1087 |
* A flag which indicates that a new path has begun.
|
|
|
1088 |
*
|
|
|
1089 |
* load_points ::
|
|
|
1090 |
* If this flag is not set, no points are loaded.
|
|
|
1091 |
*
|
|
|
1092 |
* no_recurse ::
|
|
|
1093 |
* Set but not used.
|
|
|
1094 |
*
|
|
|
1095 |
* metrics_only ::
|
|
|
1096 |
* A boolean indicating that we only want to compute the metrics of a
|
|
|
1097 |
* given glyph, not load all of its points.
|
|
|
1098 |
*
|
|
|
1099 |
* hints_funcs ::
|
|
|
1100 |
* Auxiliary pointer for hinting.
|
|
|
1101 |
*
|
|
|
1102 |
* hints_globals ::
|
|
|
1103 |
* Auxiliary pointer for hinting.
|
|
|
1104 |
*
|
|
|
1105 |
* funcs ::
|
|
|
1106 |
* A table of method pointers for this object.
|
|
|
1107 |
*/
|
|
49234
|
1108 |
struct CFF_Builder_
|
|
|
1109 |
{
|
|
|
1110 |
FT_Memory memory;
|
|
|
1111 |
TT_Face face;
|
|
|
1112 |
CFF_GlyphSlot glyph;
|
|
|
1113 |
FT_GlyphLoader loader;
|
|
|
1114 |
FT_Outline* base;
|
|
|
1115 |
FT_Outline* current;
|
|
|
1116 |
|
|
|
1117 |
FT_Pos pos_x;
|
|
|
1118 |
FT_Pos pos_y;
|
|
|
1119 |
|
|
|
1120 |
FT_Vector left_bearing;
|
|
|
1121 |
FT_Vector advance;
|
|
|
1122 |
|
|
|
1123 |
FT_BBox bbox; /* bounding box */
|
|
|
1124 |
|
|
|
1125 |
FT_Bool path_begun;
|
|
|
1126 |
FT_Bool load_points;
|
|
|
1127 |
FT_Bool no_recurse;
|
|
|
1128 |
|
|
|
1129 |
FT_Bool metrics_only;
|
|
|
1130 |
|
|
|
1131 |
void* hints_funcs; /* hinter-specific */
|
|
|
1132 |
void* hints_globals; /* hinter-specific */
|
|
|
1133 |
|
|
|
1134 |
CFF_Builder_FuncsRec funcs;
|
|
|
1135 |
};
|
|
|
1136 |
|
|
|
1137 |
|
|
|
1138 |
/*************************************************************************/
|
|
|
1139 |
/*************************************************************************/
|
|
|
1140 |
/***** *****/
|
|
|
1141 |
/***** CFF DECODER *****/
|
|
|
1142 |
/***** *****/
|
|
|
1143 |
/*************************************************************************/
|
|
|
1144 |
/*************************************************************************/
|
|
|
1145 |
|
|
|
1146 |
|
|
|
1147 |
#define CFF_MAX_OPERANDS 48
|
|
|
1148 |
#define CFF_MAX_SUBRS_CALLS 16 /* maximum subroutine nesting; */
|
|
|
1149 |
/* only 10 are allowed but there exist */
|
|
|
1150 |
/* fonts like `HiraKakuProN-W3.ttf' */
|
|
|
1151 |
/* (Hiragino Kaku Gothic ProN W3; */
|
|
|
1152 |
/* 8.2d6e1; 2014-12-19) that exceed */
|
|
|
1153 |
/* this limit */
|
|
|
1154 |
#define CFF_MAX_TRANS_ELEMENTS 32
|
|
|
1155 |
|
|
|
1156 |
/* execution context charstring zone */
|
|
|
1157 |
|
|
|
1158 |
typedef struct CFF_Decoder_Zone_
|
|
|
1159 |
{
|
|
|
1160 |
FT_Byte* base;
|
|
|
1161 |
FT_Byte* limit;
|
|
|
1162 |
FT_Byte* cursor;
|
|
|
1163 |
|
|
|
1164 |
} CFF_Decoder_Zone;
|
|
|
1165 |
|
|
|
1166 |
|
|
|
1167 |
typedef struct CFF_Decoder_
|
|
|
1168 |
{
|
|
|
1169 |
CFF_Builder builder;
|
|
|
1170 |
CFF_Font cff;
|
|
|
1171 |
|
|
|
1172 |
FT_Fixed stack[CFF_MAX_OPERANDS + 1];
|
|
|
1173 |
FT_Fixed* top;
|
|
|
1174 |
|
|
|
1175 |
CFF_Decoder_Zone zones[CFF_MAX_SUBRS_CALLS + 1];
|
|
|
1176 |
CFF_Decoder_Zone* zone;
|
|
|
1177 |
|
|
|
1178 |
FT_Int flex_state;
|
|
|
1179 |
FT_Int num_flex_vectors;
|
|
|
1180 |
FT_Vector flex_vectors[7];
|
|
|
1181 |
|
|
|
1182 |
FT_Pos glyph_width;
|
|
|
1183 |
FT_Pos nominal_width;
|
|
|
1184 |
|
|
|
1185 |
FT_Bool read_width;
|
|
|
1186 |
FT_Bool width_only;
|
|
|
1187 |
FT_Int num_hints;
|
|
|
1188 |
FT_Fixed buildchar[CFF_MAX_TRANS_ELEMENTS];
|
|
|
1189 |
|
|
|
1190 |
FT_UInt num_locals;
|
|
|
1191 |
FT_UInt num_globals;
|
|
|
1192 |
|
|
|
1193 |
FT_Int locals_bias;
|
|
|
1194 |
FT_Int globals_bias;
|
|
|
1195 |
|
|
|
1196 |
FT_Byte** locals;
|
|
|
1197 |
FT_Byte** globals;
|
|
|
1198 |
|
|
|
1199 |
FT_Byte** glyph_names; /* for pure CFF fonts only */
|
|
|
1200 |
FT_UInt num_glyphs; /* number of glyphs in font */
|
|
|
1201 |
|
|
|
1202 |
FT_Render_Mode hint_mode;
|
|
|
1203 |
|
|
|
1204 |
FT_Bool seac;
|
|
|
1205 |
|
|
|
1206 |
CFF_SubFont current_subfont; /* for current glyph_index */
|
|
|
1207 |
|
|
|
1208 |
CFF_Decoder_Get_Glyph_Callback get_glyph_callback;
|
|
|
1209 |
CFF_Decoder_Free_Glyph_Callback free_glyph_callback;
|
|
|
1210 |
|
|
|
1211 |
} CFF_Decoder;
|
|
|
1212 |
|
|
|
1213 |
|
|
|
1214 |
typedef const struct CFF_Decoder_FuncsRec_* CFF_Decoder_Funcs;
|
|
|
1215 |
|
|
|
1216 |
typedef struct CFF_Decoder_FuncsRec_
|
|
|
1217 |
{
|
|
|
1218 |
void
|
|
|
1219 |
(*init)( CFF_Decoder* decoder,
|
|
|
1220 |
TT_Face face,
|
|
|
1221 |
CFF_Size size,
|
|
|
1222 |
CFF_GlyphSlot slot,
|
|
|
1223 |
FT_Bool hinting,
|
|
|
1224 |
FT_Render_Mode hint_mode,
|
|
|
1225 |
CFF_Decoder_Get_Glyph_Callback get_callback,
|
|
|
1226 |
CFF_Decoder_Free_Glyph_Callback free_callback );
|
|
|
1227 |
|
|
|
1228 |
FT_Error
|
|
|
1229 |
(*prepare)( CFF_Decoder* decoder,
|
|
|
1230 |
CFF_Size size,
|
|
|
1231 |
FT_UInt glyph_index );
|
|
|
1232 |
|
|
|
1233 |
#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
|
|
|
1234 |
FT_Error
|
|
|
1235 |
(*parse_charstrings_old)( CFF_Decoder* decoder,
|
|
|
1236 |
FT_Byte* charstring_base,
|
|
|
1237 |
FT_ULong charstring_len,
|
|
|
1238 |
FT_Bool in_dict );
|
|
|
1239 |
#endif
|
|
|
1240 |
|
|
|
1241 |
FT_Error
|
|
|
1242 |
(*parse_charstrings)( PS_Decoder* decoder,
|
|
|
1243 |
FT_Byte* charstring_base,
|
|
|
1244 |
FT_ULong charstring_len );
|
|
|
1245 |
|
|
|
1246 |
} CFF_Decoder_FuncsRec;
|
|
|
1247 |
|
|
|
1248 |
|
|
|
1249 |
/*************************************************************************/
|
|
|
1250 |
/*************************************************************************/
|
|
|
1251 |
/***** *****/
|
|
|
1252 |
/***** AFM PARSER *****/
|
|
|
1253 |
/***** *****/
|
|
|
1254 |
/*************************************************************************/
|
|
|
1255 |
/*************************************************************************/
|
|
|
1256 |
|
|
|
1257 |
typedef struct AFM_ParserRec_* AFM_Parser;
|
|
|
1258 |
|
|
|
1259 |
typedef struct AFM_Parser_FuncsRec_
|
|
|
1260 |
{
|
|
|
1261 |
FT_Error
|
|
|
1262 |
(*init)( AFM_Parser parser,
|
|
|
1263 |
FT_Memory memory,
|
|
|
1264 |
FT_Byte* base,
|
|
|
1265 |
FT_Byte* limit );
|
|
|
1266 |
|
|
|
1267 |
void
|
|
|
1268 |
(*done)( AFM_Parser parser );
|
|
|
1269 |
|
|
|
1270 |
FT_Error
|
|
|
1271 |
(*parse)( AFM_Parser parser );
|
|
|
1272 |
|
|
|
1273 |
} AFM_Parser_FuncsRec;
|
|
|
1274 |
|
|
|
1275 |
|
|
|
1276 |
typedef struct AFM_StreamRec_* AFM_Stream;
|
|
|
1277 |
|
|
|
1278 |
|
|
54876
|
1279 |
/**************************************************************************
|
|
|
1280 |
*
|
|
|
1281 |
* @struct:
|
|
|
1282 |
* AFM_ParserRec
|
|
|
1283 |
*
|
|
|
1284 |
* @description:
|
|
|
1285 |
* An AFM_Parser is a parser for the AFM files.
|
|
|
1286 |
*
|
|
|
1287 |
* @fields:
|
|
|
1288 |
* memory ::
|
|
|
1289 |
* The object used for memory operations (alloc and realloc).
|
|
|
1290 |
*
|
|
|
1291 |
* stream ::
|
|
|
1292 |
* This is an opaque object.
|
|
|
1293 |
*
|
|
|
1294 |
* FontInfo ::
|
|
|
1295 |
* The result will be stored here.
|
|
|
1296 |
*
|
|
|
1297 |
* get_index ::
|
|
|
1298 |
* A user provided function to get a glyph index by its name.
|
|
|
1299 |
*/
|
|
49234
|
1300 |
typedef struct AFM_ParserRec_
|
|
|
1301 |
{
|
|
|
1302 |
FT_Memory memory;
|
|
|
1303 |
AFM_Stream stream;
|
|
|
1304 |
|
|
|
1305 |
AFM_FontInfo FontInfo;
|
|
|
1306 |
|
|
|
1307 |
FT_Int
|
|
|
1308 |
(*get_index)( const char* name,
|
|
|
1309 |
FT_Offset len,
|
|
|
1310 |
void* user_data );
|
|
|
1311 |
|
|
|
1312 |
void* user_data;
|
|
|
1313 |
|
|
|
1314 |
} AFM_ParserRec;
|
|
|
1315 |
|
|
|
1316 |
|
|
|
1317 |
/*************************************************************************/
|
|
|
1318 |
/*************************************************************************/
|
|
|
1319 |
/***** *****/
|
|
|
1320 |
/***** TYPE1 CHARMAPS *****/
|
|
|
1321 |
/***** *****/
|
|
|
1322 |
/*************************************************************************/
|
|
|
1323 |
/*************************************************************************/
|
|
|
1324 |
|
|
|
1325 |
typedef const struct T1_CMap_ClassesRec_* T1_CMap_Classes;
|
|
|
1326 |
|
|
|
1327 |
typedef struct T1_CMap_ClassesRec_
|
|
|
1328 |
{
|
|
|
1329 |
FT_CMap_Class standard;
|
|
|
1330 |
FT_CMap_Class expert;
|
|
|
1331 |
FT_CMap_Class custom;
|
|
|
1332 |
FT_CMap_Class unicode;
|
|
|
1333 |
|
|
|
1334 |
} T1_CMap_ClassesRec;
|
|
|
1335 |
|
|
|
1336 |
|
|
|
1337 |
/*************************************************************************/
|
|
|
1338 |
/*************************************************************************/
|
|
|
1339 |
/***** *****/
|
|
|
1340 |
/***** PSAux Module Interface *****/
|
|
|
1341 |
/***** *****/
|
|
|
1342 |
/*************************************************************************/
|
|
|
1343 |
/*************************************************************************/
|
|
|
1344 |
|
|
|
1345 |
typedef struct PSAux_ServiceRec_
|
|
|
1346 |
{
|
|
|
1347 |
/* don't use `PS_Table_Funcs' and friends to avoid compiler warnings */
|
|
|
1348 |
const PS_Table_FuncsRec* ps_table_funcs;
|
|
|
1349 |
const PS_Parser_FuncsRec* ps_parser_funcs;
|
|
|
1350 |
const T1_Builder_FuncsRec* t1_builder_funcs;
|
|
|
1351 |
const T1_Decoder_FuncsRec* t1_decoder_funcs;
|
|
|
1352 |
|
|
|
1353 |
void
|
|
|
1354 |
(*t1_decrypt)( FT_Byte* buffer,
|
|
|
1355 |
FT_Offset length,
|
|
|
1356 |
FT_UShort seed );
|
|
|
1357 |
|
|
|
1358 |
FT_UInt32
|
|
|
1359 |
(*cff_random)( FT_UInt32 r );
|
|
|
1360 |
|
|
|
1361 |
void
|
|
|
1362 |
(*ps_decoder_init)( PS_Decoder* ps_decoder,
|
|
|
1363 |
void* decoder,
|
|
|
1364 |
FT_Bool is_t1 );
|
|
|
1365 |
|
|
|
1366 |
void
|
|
|
1367 |
(*t1_make_subfont)( FT_Face face,
|
|
|
1368 |
PS_Private priv,
|
|
|
1369 |
CFF_SubFont subfont );
|
|
|
1370 |
|
|
|
1371 |
T1_CMap_Classes t1_cmap_classes;
|
|
|
1372 |
|
|
|
1373 |
/* fields after this comment line were added after version 2.1.10 */
|
|
|
1374 |
const AFM_Parser_FuncsRec* afm_parser_funcs;
|
|
|
1375 |
|
|
|
1376 |
const CFF_Decoder_FuncsRec* cff_decoder_funcs;
|
|
|
1377 |
|
|
|
1378 |
} PSAux_ServiceRec, *PSAux_Service;
|
|
|
1379 |
|
|
|
1380 |
/* backward compatible type definition */
|
|
|
1381 |
typedef PSAux_ServiceRec PSAux_Interface;
|
|
|
1382 |
|
|
|
1383 |
|
|
|
1384 |
/*************************************************************************/
|
|
|
1385 |
/*************************************************************************/
|
|
|
1386 |
/***** *****/
|
|
|
1387 |
/***** Some convenience functions *****/
|
|
|
1388 |
/***** *****/
|
|
|
1389 |
/*************************************************************************/
|
|
|
1390 |
/*************************************************************************/
|
|
|
1391 |
|
|
|
1392 |
#define IS_PS_NEWLINE( ch ) \
|
|
|
1393 |
( (ch) == '\r' || \
|
|
|
1394 |
(ch) == '\n' )
|
|
|
1395 |
|
|
|
1396 |
#define IS_PS_SPACE( ch ) \
|
|
|
1397 |
( (ch) == ' ' || \
|
|
|
1398 |
IS_PS_NEWLINE( ch ) || \
|
|
|
1399 |
(ch) == '\t' || \
|
|
|
1400 |
(ch) == '\f' || \
|
|
|
1401 |
(ch) == '\0' )
|
|
|
1402 |
|
|
|
1403 |
#define IS_PS_SPECIAL( ch ) \
|
|
|
1404 |
( (ch) == '/' || \
|
|
|
1405 |
(ch) == '(' || (ch) == ')' || \
|
|
|
1406 |
(ch) == '<' || (ch) == '>' || \
|
|
|
1407 |
(ch) == '[' || (ch) == ']' || \
|
|
|
1408 |
(ch) == '{' || (ch) == '}' || \
|
|
|
1409 |
(ch) == '%' )
|
|
|
1410 |
|
|
|
1411 |
#define IS_PS_DELIM( ch ) \
|
|
|
1412 |
( IS_PS_SPACE( ch ) || \
|
|
|
1413 |
IS_PS_SPECIAL( ch ) )
|
|
|
1414 |
|
|
|
1415 |
#define IS_PS_DIGIT( ch ) \
|
|
|
1416 |
( (ch) >= '0' && (ch) <= '9' )
|
|
|
1417 |
|
|
|
1418 |
#define IS_PS_XDIGIT( ch ) \
|
|
|
1419 |
( IS_PS_DIGIT( ch ) || \
|
|
|
1420 |
( (ch) >= 'A' && (ch) <= 'F' ) || \
|
|
|
1421 |
( (ch) >= 'a' && (ch) <= 'f' ) )
|
|
|
1422 |
|
|
|
1423 |
#define IS_PS_BASE85( ch ) \
|
|
|
1424 |
( (ch) >= '!' && (ch) <= 'u' )
|
|
|
1425 |
|
|
|
1426 |
#define IS_PS_TOKEN( cur, limit, token ) \
|
|
|
1427 |
( (char)(cur)[0] == (token)[0] && \
|
|
|
1428 |
( (cur) + sizeof ( (token) ) == (limit) || \
|
|
|
1429 |
( (cur) + sizeof( (token) ) < (limit) && \
|
|
|
1430 |
IS_PS_DELIM( (cur)[sizeof ( (token) ) - 1] ) ) ) && \
|
|
|
1431 |
ft_strncmp( (char*)(cur), (token), sizeof ( (token) ) - 1 ) == 0 )
|
|
|
1432 |
|
|
|
1433 |
|
|
|
1434 |
FT_END_HEADER
|
|
|
1435 |
|
|
|
1436 |
#endif /* PSAUX_H_ */
|
|
|
1437 |
|
|
|
1438 |
|
|
|
1439 |
/* END */
|