the t1 driver now reads the complete font matrix and applies it (some fonts do not work properly without hinting though...)david-pic-changes
David Turner
25 years ago
parent
710354b8e9
commit
24d7024c44
10 changed files with 1924 additions and 151 deletions
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#ifndef PSAUX_H |
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#define PSAUX_H |
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#include <freetype/internal/ftobjs.h> |
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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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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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/* T1_Table */ |
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/* */ |
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/* <Description> */ |
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/* A T1_Table is a simple object used to store an array of objects in */ |
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/* a single memory block. */ |
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/* */ |
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/* <Fields> */ |
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/* block :: The address in memory of the growheap's block. This */ |
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/* can change between two object adds, due to */ |
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/* reallocation. */ |
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/* */ |
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/* cursor :: The current top of the grow heap within its block. */ |
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/* */ |
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/* capacity :: The current size of the heap block. Increments by */ |
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/* 1kByte chunks. */ |
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/* */ |
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/* max_elems :: The maximum number of elements in table. */ |
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/* */ |
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/* num_elems :: The current number of elements in table. */ |
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/* */ |
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/* elements :: A table of element addresses within the block. */ |
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/* */ |
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/* lengths :: A table of element sizes within the block. */ |
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/* */ |
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/* memory :: The object used for memory operations */ |
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/* (alloc/realloc). */ |
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/* */ |
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typedef struct T1_Table_ |
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{ |
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FT_Byte* block; /* current memory block */ |
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FT_Int cursor; /* current cursor in memory block */ |
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FT_Int capacity; /* current size of memory block */ |
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FT_Long 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_Int* lengths; /* lengths of table elements */ |
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FT_Memory memory; |
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} T1_Table; |
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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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/* T1_Table_Funcs */ |
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/* */ |
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/* <Description> */ |
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/* A set of function pointers used to manage T1_Table objects.. */ |
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/* */ |
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/* <Fields> */ |
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/* table_init :: used to initialise a a table */ |
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/* table_done :: finalize/destroy a given table */ |
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/* table_add :: add one new object to a table */ |
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/* table_release :: release table data, then finalize it */ |
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/* */ |
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typedef struct T1_Table_Funcs_ |
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{ |
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FT_Error (*init) ( T1_Table* table, |
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FT_Int count, |
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FT_Memory memory ); |
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void (*done) ( T1_Table* table );
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FT_Error (*add) ( T1_Table* table, |
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FT_Int index, |
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void* object, |
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FT_Int length ); |
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void (*release)( T1_Table* table );
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} T1_Table_Funcs; |
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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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/* simple enumeration type used to identify token types */ |
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typedef enum T1_Token_Type_ |
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{ |
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t1_token_none = 0, |
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t1_token_any, |
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t1_token_string, |
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t1_token_array, |
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/* do not remove */ |
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t1_token_max |
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} T1_Token_Type; |
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/* a simple structure used to identify tokens */ |
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typedef struct T1_Token_ |
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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_Token_Type type; /* type of token.. */ |
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} T1_Token; |
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/* enumeration type used to identify object fields */ |
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typedef enum T1_Field_Type_ |
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{ |
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t1_field_none = 0, |
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t1_field_bool, |
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t1_field_integer, |
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t1_field_fixed, |
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t1_field_string, |
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t1_field_integer_array, |
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t1_field_fixed_array, |
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/* do not remove */ |
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t1_field_max |
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} T1_Field_Type; |
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/* structure type used to model object fields */ |
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typedef struct T1_Field_ |
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{ |
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T1_Field_Type type; /* type of field */ |
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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 array */ |
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FT_UInt count_offset; /* offset of element count for arrays */ |
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FT_Int flag_bit; /* bit number for field flag */ |
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} T1_Field; |
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#define T1_FIELD_BOOL( _fname ) \ |
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{ \
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t1_field_bool, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE( _fname ), \
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0, 0, 0 \
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} |
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#define T1_FIELD_NUM( _fname ) \ |
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{ \
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t1_field_integer, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE( _fname ), \
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0, 0, 0 \
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} |
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#define T1_FIELD_FIXED( _fname, _power ) \ |
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{ \
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t1_field_fixed, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE( _fname ), \
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0, 0, 0 \
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} |
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#define T1_FIELD_STRING( _fname ) \ |
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{ \
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t1_field_string, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE( _fname ), \
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0, 0, 0 \
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} |
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#define T1_FIELD_NUM_ARRAY( _fname, _fcount, _fmax ) \ |
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{ \
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t1_field_integer, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE_DELTA( _fname ), \
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_fmax, \
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FT_FIELD_OFFSET( _fcount ), \
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0 \
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} |
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#define T1_FIELD_FIXED_ARRAY( _fname, _fcount, _fmax ) \ |
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{ \
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t1_field_fixed, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE_DELTA( _fname ), \
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_fmax, \
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FT_FIELD_OFFSET( _fcount ), \
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0 \
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} |
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#define T1_FIELD_NUM_ARRAY2( _fname, _fmax ) \ |
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{ \
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t1_field_integer, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE_DELTA( _fname ), \
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_fmax, \
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0, 0 \
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} |
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#define T1_FIELD_FIXED_ARRAY2( _fname, _fmax ) \ |
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{ \
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t1_field_fixed, \
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FT_FIELD_OFFSTE( _fname ), \
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FT_FIELD_SIZE_DELTA( _fname ), \
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_fmax, \
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0, 0 \
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} |
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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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/*************************************************************************/ |
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/* */ |
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/* <Struct> */ |
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/* T1_Parser */ |
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/* */ |
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/* <Description> */ |
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/* A T1_Parser is an object used to parse a Type 1 font very */ |
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/* quickly. */ |
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/* */ |
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/* <Fields> */ |
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/* cursor :: current position in text. */ |
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/* base :: start of processed text. */ |
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/* limit :: end of processed text. */ |
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/* error :: last error returned. */ |
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/* */ |
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typedef struct T1_Parser_ |
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{ |
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FT_Byte* cursor; |
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FT_Byte* base; |
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FT_Byte* limit; |
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FT_Error error; |
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FT_Memory memory; |
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} T1_Parser; |
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typedef struct T1_Parser_Funcs_ |
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{ |
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void (*init) ( T1_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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void (*done) ( T1_Parser* parser ); |
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void (*skip_spaces) ( T1_Parser* parser ); |
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void (*skip_alpha) ( T1_Parser* parser ); |
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FT_Long (*to_int) ( T1_Parser* parser ); |
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FT_Fixed (*to_fixed) ( T1_Parser* parser, |
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FT_Int power_ten ); |
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FT_Int (*to_coord_array)( T1_Parser* parser, |
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FT_Int max_coords, |
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FT_Short* coords ); |
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FT_Int (*to_fixed_array)( T1_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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void (*to_token) ( T1_Parser* parser, |
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T1_Token *token ); |
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void (*to_token_array)( T1_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_Error (*load_field) ( T1_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_Error (*load_field_table)( T1_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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} T1_Parser_Funcs; |
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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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/*************************************************************************/ |
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/* */ |
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/* <Structure> */ |
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/* T1_Builder */ |
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/* */ |
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/* <Description> */ |
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/* A structure used during glyph loading to store its outline. */ |
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/* */ |
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/* <Fields> */ |
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/* memory :: The current memory object. */ |
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/* */ |
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/* face :: The current face object. */ |
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/* */ |
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/* glyph :: The current glyph slot. */ |
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/* */ |
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/* current :: The current glyph outline. */ |
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/* */ |
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/* base :: The base glyph outline. */ |
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/* */ |
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/* max_points :: maximum points in builder outline */ |
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/* */ |
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/* max_contours :: Maximal number of contours in builder outline. */ |
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/* */ |
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/* last :: The last point position. */ |
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/* */ |
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/* scale_x :: The horizontal scale (FUnits to sub-pixels). */ |
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/* */ |
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/* scale_y :: The vertical scale (FUnits to sub-pixels). */ |
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/* */ |
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/* pos_x :: The horizontal translation (if composite glyph). */ |
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/* */ |
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/* pos_y :: The vertical translation (if composite glyph). */ |
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/* */ |
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/* left_bearing :: The left side bearing point. */ |
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/* */ |
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/* advance :: The horizontal advance vector. */ |
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/* */ |
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/* bbox :: Unused. */ |
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/* */ |
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/* path_begun :: A flag which indicates that a new path has begun. */ |
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/* */ |
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/* load_points :: If this flag is not set, no points are loaded. */ |
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/* */ |
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/* no_recurse :: Set but not used. */ |
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/* */ |
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/* error :: An error code that is only used to report memory */ |
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/* allocation problems. */ |
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/* */ |
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/* metrics_only :: A boolean indicating that we only want to compute */ |
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/* the metrics of a given glyph, not load all of its */ |
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/* points. */ |
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/* */ |
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typedef struct T2_Builder_ |
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{ |
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FT_Memory memory; |
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FT_Face face; |
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FT_GlyphSlot glyph; |
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FT_GlyphLoader* loader; |
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FT_Outline* base; |
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FT_Outline* current; |
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FT_Vector last; |
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FT_Fixed scale_x; |
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FT_Fixed scale_y; |
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FT_Pos pos_x; |
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FT_Pos pos_y; |
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FT_Vector left_bearing; |
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FT_Vector advance; |
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FT_BBox bbox; /* bounding box */ |
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FT_Bool path_begun; |
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FT_Bool load_points; |
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FT_Bool no_recurse; |
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FT_Error error; /* only used for memory errors */ |
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FT_Bool metrics_only; |
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} T1_Builder; |
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typedef FT_Error (*T1_Builder_Check_Points_Func)( T1_Builder* builder, |
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FT_Int count ); |
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typedef void (*T1_Builder_Add_Point_Func) ( 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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typedef void (*T1_Builder_Add_Point1_Func)( T1_Builder* builder, |
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FT_Pos x, |
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FT_Pos y ); |
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typedef FT_Error (*T1_Builder_Add_Contour_Func)( T1_Builder* builder );
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typedef FT_Error (*T1_Builder_Start_Point_Func)( T1_Builder* builder, |
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FT_Pos x, |
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FT_Pos y ); |
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typedef void (*T1_Builder_Close_Contour_Func)( T1_Builder* builder ); |
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typedef struct T1_Builder_Funcs_ |
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{ |
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FT_Error (*init)( T1_Builder* builder, |
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FT_Face face, |
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FT_Size size, |
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FT_GlyphSlot slot ); |
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void (*done)( T1_Builder* builder ); |
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T1_Builder_Check_Points_Func check_points; |
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T1_Builder_Add_Points_Func add_point; |
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T1_Builder_Add_Point1_Func add_point1; |
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T1_Builder_Add_Contour_Func add_contour; |
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T1_Builder_Start_Point_Func start_point; |
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T1_Builder_Close_Contour_Func close_contour; |
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} T1_Builder_Funcs; |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/***** *****/ |
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/***** PSAux Module Interface *****/ |
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/***** *****/ |
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/*************************************************************************/ |
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/*************************************************************************/ |
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typedef struct PSAux_Interface_ |
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{ |
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const T1_Table_Funcs* t1_table_funcs; |
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const T1_Parser_Funcs* t1_parser_funcs; |
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const T1_Builder_Funcs* t1_builder_funcs; |
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} PSAux_Interface; |
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#endif /* PSAUX_H */ |
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File diff suppressed because it is too large
Load Diff
@ -0,0 +1,113 @@ |
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#ifndef PSOBJS_H |
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#define PSOBJS_H |
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#include <freetype/internal/psaux.h> |
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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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LOCAL_DEF |
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FT_Error T1_New_Table( T1_Table* table, |
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FT_Int count, |
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FT_Memory memory ); |
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LOCAL_DEF |
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FT_Error T1_Add_Table( T1_Table* table, |
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FT_Int index, |
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void* object, |
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FT_Int length ); |
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LOCAL_DEF |
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void T1_Done_Table( T1_Table* table ); |
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LOCAL_DEF |
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void T1_Release_Table( T1_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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LOCAL_DEF |
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void T1_Skip_Spaces( T1_Parser* parser ); |
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LOCAL_DEF |
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void T1_Skip_Alpha( T1_Parser* parser ); |
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LOCAL_DEF |
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void T1_ToToken( T1_Parser* parser, |
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T1_Token* token ); |
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LOCAL_DEF |
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void T1_ToTokenArray( T1_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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LOCAL_DEF |
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FT_Error T1_Load_Field( T1_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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LOCAL_DEF |
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FT_Error T1_Load_Field_Table( T1_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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LOCAL_DEF |
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FT_Long T1_ToInt ( T1_Parser* parser ); |
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LOCAL_DEF |
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FT_Fixed T1_ToFixed( T1_Parser* parser, |
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FT_Int power_ten ); |
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LOCAL_DEF |
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FT_Int T1_ToCoordArray( T1_Parser* parser, |
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FT_Int max_coords, |
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FT_Short* coords ); |
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LOCAL_DEF |
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FT_Int T1_ToFixedArray( T1_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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LOCAL_DEF |
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void T1_Init_Parser( T1_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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LOCAL_DEF |
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void T1_Done_Parser( T1_Parser* parser ) |
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LOCAL_DEF |
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void T1_Decrypt( FT_Byte* buffer, |
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FT_Int length, |
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FT_UShort seed ); |
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#endif /* PSOBJS_H */ |
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