Index: core/src/fxge/fx_freetype/fxft2.5.01/src/cid/cidload.c |
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/cid/cidload.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/cid/cidload.c |
deleted file mode 100644 |
index bfb25dc37d1375ac19c9ad288d52ec11fbee11b9..0000000000000000000000000000000000000000 |
--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/cid/cidload.c |
+++ /dev/null |
@@ -1,690 +0,0 @@ |
-/***************************************************************************/ |
-/* */ |
-/* cidload.c */ |
-/* */ |
-/* CID-keyed Type1 font loader (body). */ |
-/* */ |
-/* Copyright 1996-2006, 2009, 2011-2013 by */ |
-/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
-/* */ |
-/* This file is part of the FreeType project, and may only be used, */ |
-/* modified, and distributed under the terms of the FreeType project */ |
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
-/* this file you indicate that you have read the license and */ |
-/* understand and accept it fully. */ |
-/* */ |
-/***************************************************************************/ |
- |
- |
-#include "../../include/ft2build.h" |
-#include "../../include/freetype/internal/ftdebug.h" |
-#include "../../include/freetype/config/ftconfig.h" |
-#include "../../include/freetype/ftmm.h" |
-#include "../../include/freetype/internal/t1types.h" |
- |
-#include "cidload.h" |
- |
-#include "ciderrs.h" |
- |
- |
- /*************************************************************************/ |
- /* */ |
- /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
- /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
- /* messages during execution. */ |
- /* */ |
-#undef FT_COMPONENT |
-#define FT_COMPONENT trace_cidload |
- |
- |
- /* read a single offset */ |
- FT_LOCAL_DEF( FT_Long ) |
- cid_get_offset( FT_Byte* *start, |
- FT_Byte offsize ) |
- { |
- FT_ULong result; |
- FT_Byte* p = *start; |
- |
- |
- for ( result = 0; offsize > 0; offsize-- ) |
- { |
- result <<= 8; |
- result |= *p++; |
- } |
- |
- *start = p; |
- return (FT_Long)result; |
- } |
- |
- |
- /*************************************************************************/ |
- /*************************************************************************/ |
- /***** *****/ |
- /***** TYPE 1 SYMBOL PARSING *****/ |
- /***** *****/ |
- /*************************************************************************/ |
- /*************************************************************************/ |
- |
- |
- static FT_Error |
- cid_load_keyword( CID_Face face, |
- CID_Loader* loader, |
- const T1_Field keyword ) |
- { |
- FT_Error error; |
- CID_Parser* parser = &loader->parser; |
- FT_Byte* object; |
- void* dummy_object; |
- CID_FaceInfo cid = &face->cid; |
- |
- |
- /* if the keyword has a dedicated callback, call it */ |
- if ( keyword->type == T1_FIELD_TYPE_CALLBACK ) |
- { |
- keyword->reader( (FT_Face)face, parser ); |
- error = parser->root.error; |
- goto Exit; |
- } |
- |
- /* we must now compute the address of our target object */ |
- switch ( keyword->location ) |
- { |
- case T1_FIELD_LOCATION_CID_INFO: |
- object = (FT_Byte*)cid; |
- break; |
- |
- case T1_FIELD_LOCATION_FONT_INFO: |
- object = (FT_Byte*)&cid->font_info; |
- break; |
- |
- case T1_FIELD_LOCATION_FONT_EXTRA: |
- object = (FT_Byte*)&face->font_extra; |
- break; |
- |
- case T1_FIELD_LOCATION_BBOX: |
- object = (FT_Byte*)&cid->font_bbox; |
- break; |
- |
- default: |
- { |
- CID_FaceDict dict; |
- |
- |
- if ( parser->num_dict < 0 || parser->num_dict >= cid->num_dicts ) |
- { |
- FT_ERROR(( "cid_load_keyword: invalid use of `%s'\n", |
- keyword->ident )); |
- error = FT_THROW( Syntax_Error ); |
- goto Exit; |
- } |
- |
- dict = cid->font_dicts + parser->num_dict; |
- switch ( keyword->location ) |
- { |
- case T1_FIELD_LOCATION_PRIVATE: |
- object = (FT_Byte*)&dict->private_dict; |
- break; |
- |
- default: |
- object = (FT_Byte*)dict; |
- } |
- } |
- } |
- |
- dummy_object = object; |
- |
- /* now, load the keyword data in the object's field(s) */ |
- if ( keyword->type == T1_FIELD_TYPE_INTEGER_ARRAY || |
- keyword->type == T1_FIELD_TYPE_FIXED_ARRAY ) |
- error = cid_parser_load_field_table( &loader->parser, keyword, |
- &dummy_object ); |
- else |
- error = cid_parser_load_field( &loader->parser, |
- keyword, &dummy_object ); |
- Exit: |
- return error; |
- } |
- |
- |
- FT_CALLBACK_DEF( FT_Error ) |
- cid_parse_font_matrix( CID_Face face, |
- CID_Parser* parser ) |
- { |
- FT_Matrix* matrix; |
- FT_Vector* offset; |
- CID_FaceDict dict; |
- FT_Face root = (FT_Face)&face->root; |
- FT_Fixed temp[6]; |
- FT_Fixed temp_scale; |
- |
- |
- if ( parser->num_dict >= 0 && parser->num_dict < face->cid.num_dicts ) |
- { |
- dict = face->cid.font_dicts + parser->num_dict; |
- matrix = &dict->font_matrix; |
- offset = &dict->font_offset; |
- |
- (void)cid_parser_to_fixed_array( parser, 6, temp, 3 ); |
- |
- temp_scale = FT_ABS( temp[3] ); |
- |
- /* Set Units per EM based on FontMatrix values. We set the value to */ |
- /* 1000 / temp_scale, because temp_scale was already multiplied by */ |
- /* 1000 (in t1_tofixed, from psobjs.c). */ |
- |
- root->units_per_EM = (FT_UShort)FT_DivFix( 1000, temp_scale ); |
- |
- /* we need to scale the values by 1.0/temp[3] */ |
- if ( temp_scale != 0x10000L ) |
- { |
- temp[0] = FT_DivFix( temp[0], temp_scale ); |
- temp[1] = FT_DivFix( temp[1], temp_scale ); |
- temp[2] = FT_DivFix( temp[2], temp_scale ); |
- temp[4] = FT_DivFix( temp[4], temp_scale ); |
- temp[5] = FT_DivFix( temp[5], temp_scale ); |
- temp[3] = 0x10000L; |
- } |
- |
- matrix->xx = temp[0]; |
- matrix->yx = temp[1]; |
- matrix->xy = temp[2]; |
- matrix->yy = temp[3]; |
- |
- /* note that the font offsets are expressed in integer font units */ |
- offset->x = temp[4] >> 16; |
- offset->y = temp[5] >> 16; |
- } |
- |
- return FT_Err_Ok; /* this is a callback function; */ |
- /* we must return an error code */ |
- } |
- |
- |
- FT_CALLBACK_DEF( FT_Error ) |
- parse_fd_array( CID_Face face, |
- CID_Parser* parser ) |
- { |
- CID_FaceInfo cid = &face->cid; |
- FT_Memory memory = face->root.memory; |
- FT_Error error = FT_Err_Ok; |
- FT_Long num_dicts; |
- |
- |
- num_dicts = cid_parser_to_int( parser ); |
- |
- if ( !cid->font_dicts ) |
- { |
- FT_Int n; |
- |
- |
- if ( FT_NEW_ARRAY( cid->font_dicts, num_dicts ) ) |
- goto Exit; |
- |
- cid->num_dicts = (FT_UInt)num_dicts; |
- |
- /* don't forget to set a few defaults */ |
- for ( n = 0; n < cid->num_dicts; n++ ) |
- { |
- CID_FaceDict dict = cid->font_dicts + n; |
- |
- |
- /* default value for lenIV */ |
- dict->private_dict.lenIV = 4; |
- } |
- } |
- |
- Exit: |
- return error; |
- } |
- |
- |
- /* by mistake, `expansion_factor' appears both in PS_PrivateRec */ |
- /* and CID_FaceDictRec (both are public header files and can't */ |
- /* changed); we simply copy the value */ |
- |
- FT_CALLBACK_DEF( FT_Error ) |
- parse_expansion_factor( CID_Face face, |
- CID_Parser* parser ) |
- { |
- CID_FaceDict dict; |
- |
- |
- if ( parser->num_dict >= 0 && parser->num_dict < face->cid.num_dicts ) |
- { |
- dict = face->cid.font_dicts + parser->num_dict; |
- |
- dict->expansion_factor = cid_parser_to_fixed( parser, 0 ); |
- dict->private_dict.expansion_factor = dict->expansion_factor; |
- } |
- |
- return FT_Err_Ok; |
- } |
- |
- |
- static |
- const T1_FieldRec cid_field_records[] = |
- { |
- |
-#include "cidtoken.h" |
- |
- T1_FIELD_CALLBACK( "FDArray", parse_fd_array, 0 ) |
- T1_FIELD_CALLBACK( "FontMatrix", cid_parse_font_matrix, 0 ) |
- T1_FIELD_CALLBACK( "ExpansionFactor", parse_expansion_factor, 0 ) |
- |
- { 0, T1_FIELD_LOCATION_CID_INFO, T1_FIELD_TYPE_NONE, 0, 0, 0, 0, 0, 0 } |
- }; |
- |
- |
- static FT_Error |
- cid_parse_dict( CID_Face face, |
- CID_Loader* loader, |
- FT_Byte* base, |
- FT_Long size ) |
- { |
- CID_Parser* parser = &loader->parser; |
- |
- |
- parser->root.cursor = base; |
- parser->root.limit = base + size; |
- parser->root.error = FT_Err_Ok; |
- |
- { |
- FT_Byte* cur = base; |
- FT_Byte* limit = cur + size; |
- |
- |
- for (;;) |
- { |
- FT_Byte* newlimit; |
- |
- |
- parser->root.cursor = cur; |
- cid_parser_skip_spaces( parser ); |
- |
- if ( parser->root.cursor >= limit ) |
- newlimit = limit - 1 - 17; |
- else |
- newlimit = parser->root.cursor - 17; |
- |
- /* look for `%ADOBeginFontDict' */ |
- for ( ; cur < newlimit; cur++ ) |
- { |
- if ( *cur == '%' && |
- ft_strncmp( (char*)cur, "%ADOBeginFontDict", 17 ) == 0 ) |
- { |
- /* if /FDArray was found, then cid->num_dicts is > 0, and */ |
- /* we can start increasing parser->num_dict */ |
- if ( face->cid.num_dicts > 0 ) |
- parser->num_dict++; |
- } |
- } |
- |
- cur = parser->root.cursor; |
- /* no error can occur in cid_parser_skip_spaces */ |
- if ( cur >= limit ) |
- break; |
- |
- cid_parser_skip_PS_token( parser ); |
- if ( parser->root.cursor >= limit || parser->root.error ) |
- break; |
- |
- /* look for immediates */ |
- if ( *cur == '/' && cur + 2 < limit ) |
- { |
- FT_PtrDist len; |
- |
- |
- cur++; |
- len = parser->root.cursor - cur; |
- |
- if ( len > 0 && len < 22 ) |
- { |
- /* now compare the immediate name to the keyword table */ |
- T1_Field keyword = (T1_Field)cid_field_records; |
- |
- |
- for (;;) |
- { |
- FT_Byte* name; |
- |
- |
- name = (FT_Byte*)keyword->ident; |
- if ( !name ) |
- break; |
- |
- if ( cur[0] == name[0] && |
- len == (FT_PtrDist)ft_strlen( (const char*)name ) ) |
- { |
- FT_PtrDist n; |
- |
- |
- for ( n = 1; n < len; n++ ) |
- if ( cur[n] != name[n] ) |
- break; |
- |
- if ( n >= len ) |
- { |
- /* we found it - run the parsing callback */ |
- parser->root.error = cid_load_keyword( face, |
- loader, |
- keyword ); |
- if ( parser->root.error ) |
- return parser->root.error; |
- break; |
- } |
- } |
- keyword++; |
- } |
- } |
- } |
- |
- cur = parser->root.cursor; |
- } |
- } |
- return parser->root.error; |
- } |
- |
- |
- /* read the subrmap and the subrs of each font dict */ |
- static FT_Error |
- cid_read_subrs( CID_Face face ) |
- { |
- CID_FaceInfo cid = &face->cid; |
- FT_Memory memory = face->root.memory; |
- FT_Stream stream = face->cid_stream; |
- FT_Error error; |
- FT_Int n; |
- CID_Subrs subr; |
- FT_UInt max_offsets = 0; |
- FT_ULong* offsets = 0; |
- PSAux_Service psaux = (PSAux_Service)face->psaux; |
- |
- |
- if ( FT_NEW_ARRAY( face->subrs, cid->num_dicts ) ) |
- goto Exit; |
- |
- subr = face->subrs; |
- for ( n = 0; n < cid->num_dicts; n++, subr++ ) |
- { |
- CID_FaceDict dict = cid->font_dicts + n; |
- FT_Int lenIV = dict->private_dict.lenIV; |
- FT_UInt count, num_subrs = dict->num_subrs; |
- FT_ULong data_len; |
- FT_Byte* p; |
- |
- |
- /* Check for possible overflow. */ |
- if ( num_subrs == FT_UINT_MAX ) |
- { |
- error = FT_THROW( Syntax_Error ); |
- goto Fail; |
- } |
- |
- /* reallocate offsets array if needed */ |
- if ( num_subrs + 1 > max_offsets ) |
- { |
- FT_UInt new_max = FT_PAD_CEIL( num_subrs + 1, 4 ); |
- |
- |
- if ( new_max <= max_offsets ) |
- { |
- error = FT_THROW( Syntax_Error ); |
- goto Fail; |
- } |
- |
- if ( FT_RENEW_ARRAY( offsets, max_offsets, new_max ) ) |
- goto Fail; |
- |
- max_offsets = new_max; |
- } |
- |
- /* read the subrmap's offsets */ |
- if ( FT_STREAM_SEEK( cid->data_offset + dict->subrmap_offset ) || |
- FT_FRAME_ENTER( ( num_subrs + 1 ) * dict->sd_bytes ) ) |
- goto Fail; |
- |
- p = (FT_Byte*)stream->cursor; |
- for ( count = 0; count <= num_subrs; count++ ) |
- offsets[count] = cid_get_offset( &p, (FT_Byte)dict->sd_bytes ); |
- |
- FT_FRAME_EXIT(); |
- |
- /* offsets must be ordered */ |
- for ( count = 1; count <= num_subrs; count++ ) |
- if ( offsets[count - 1] > offsets[count] ) |
- goto Fail; |
- |
- /* now, compute the size of subrs charstrings, */ |
- /* allocate, and read them */ |
- data_len = offsets[num_subrs] - offsets[0]; |
- |
- if ( FT_NEW_ARRAY( subr->code, num_subrs + 1 ) || |
- FT_ALLOC( subr->code[0], data_len ) ) |
- goto Fail; |
- |
- if ( FT_STREAM_SEEK( cid->data_offset + offsets[0] ) || |
- FT_STREAM_READ( subr->code[0], data_len ) ) |
- goto Fail; |
- |
- /* set up pointers */ |
- for ( count = 1; count <= num_subrs; count++ ) |
- { |
- FT_ULong len; |
- |
- |
- len = offsets[count] - offsets[count - 1]; |
- subr->code[count] = subr->code[count - 1] + len; |
- } |
- |
- /* decrypt subroutines, but only if lenIV >= 0 */ |
- if ( lenIV >= 0 ) |
- { |
- for ( count = 0; count < num_subrs; count++ ) |
- { |
- FT_ULong len; |
- |
- |
- len = offsets[count + 1] - offsets[count]; |
- psaux->t1_decrypt( subr->code[count], len, 4330 ); |
- } |
- } |
- |
- subr->num_subrs = num_subrs; |
- } |
- |
- Exit: |
- FT_FREE( offsets ); |
- return error; |
- |
- Fail: |
- if ( face->subrs ) |
- { |
- for ( n = 0; n < cid->num_dicts; n++ ) |
- { |
- if ( face->subrs[n].code ) |
- FT_FREE( face->subrs[n].code[0] ); |
- |
- FT_FREE( face->subrs[n].code ); |
- } |
- FT_FREE( face->subrs ); |
- } |
- goto Exit; |
- } |
- |
- |
- static void |
- cid_init_loader( CID_Loader* loader, |
- CID_Face face ) |
- { |
- FT_UNUSED( face ); |
- |
- FT_MEM_ZERO( loader, sizeof ( *loader ) ); |
- } |
- |
- |
- static void |
- cid_done_loader( CID_Loader* loader ) |
- { |
- CID_Parser* parser = &loader->parser; |
- |
- |
- /* finalize parser */ |
- cid_parser_done( parser ); |
- } |
- |
- |
- static FT_Error |
- cid_hex_to_binary( FT_Byte* data, |
- FT_Long data_len, |
- FT_ULong offset, |
- CID_Face face ) |
- { |
- FT_Stream stream = face->root.stream; |
- FT_Error error; |
- |
- FT_Byte buffer[256]; |
- FT_Byte *p, *plimit; |
- FT_Byte *d, *dlimit; |
- FT_Byte val; |
- |
- FT_Bool upper_nibble, done; |
- |
- |
- if ( FT_STREAM_SEEK( offset ) ) |
- goto Exit; |
- |
- d = data; |
- dlimit = d + data_len; |
- p = buffer; |
- plimit = p; |
- |
- upper_nibble = 1; |
- done = 0; |
- |
- while ( d < dlimit ) |
- { |
- if ( p >= plimit ) |
- { |
- FT_ULong oldpos = FT_STREAM_POS(); |
- FT_ULong size = stream->size - oldpos; |
- |
- |
- if ( size == 0 ) |
- { |
- error = FT_THROW( Syntax_Error ); |
- goto Exit; |
- } |
- |
- if ( FT_STREAM_READ( buffer, 256 > size ? size : 256 ) ) |
- goto Exit; |
- p = buffer; |
- plimit = p + FT_STREAM_POS() - oldpos; |
- } |
- |
- if ( ft_isdigit( *p ) ) |
- val = (FT_Byte)( *p - '0' ); |
- else if ( *p >= 'a' && *p <= 'f' ) |
- val = (FT_Byte)( *p - 'a' ); |
- else if ( *p >= 'A' && *p <= 'F' ) |
- val = (FT_Byte)( *p - 'A' + 10 ); |
- else if ( *p == ' ' || |
- *p == '\t' || |
- *p == '\r' || |
- *p == '\n' || |
- *p == '\f' || |
- *p == '\0' ) |
- { |
- p++; |
- continue; |
- } |
- else if ( *p == '>' ) |
- { |
- val = 0; |
- done = 1; |
- } |
- else |
- { |
- error = FT_THROW( Syntax_Error ); |
- goto Exit; |
- } |
- |
- if ( upper_nibble ) |
- *d = (FT_Byte)( val << 4 ); |
- else |
- { |
- *d = (FT_Byte)( *d + val ); |
- d++; |
- } |
- |
- upper_nibble = (FT_Byte)( 1 - upper_nibble ); |
- |
- if ( done ) |
- break; |
- |
- p++; |
- } |
- |
- error = FT_Err_Ok; |
- |
- Exit: |
- return error; |
- } |
- |
- |
- FT_LOCAL_DEF( FT_Error ) |
- cid_face_open( CID_Face face, |
- FT_Int face_index ) |
- { |
- CID_Loader loader; |
- CID_Parser* parser; |
- FT_Memory memory = face->root.memory; |
- FT_Error error; |
- |
- |
- cid_init_loader( &loader, face ); |
- |
- parser = &loader.parser; |
- error = cid_parser_new( parser, face->root.stream, face->root.memory, |
- (PSAux_Service)face->psaux ); |
- if ( error ) |
- goto Exit; |
- |
- error = cid_parse_dict( face, &loader, |
- parser->postscript, |
- parser->postscript_len ); |
- if ( error ) |
- goto Exit; |
- |
- if ( face_index < 0 ) |
- goto Exit; |
- |
- if ( FT_NEW( face->cid_stream ) ) |
- goto Exit; |
- |
- if ( parser->binary_length ) |
- { |
- /* we must convert the data section from hexadecimal to binary */ |
- if ( FT_ALLOC( face->binary_data, parser->binary_length ) || |
- cid_hex_to_binary( face->binary_data, parser->binary_length, |
- parser->data_offset, face ) ) |
- goto Exit; |
- |
- FT_Stream_OpenMemory( face->cid_stream, |
- face->binary_data, parser->binary_length ); |
- face->cid.data_offset = 0; |
- } |
- else |
- { |
- *face->cid_stream = *face->root.stream; |
- face->cid.data_offset = loader.parser.data_offset; |
- } |
- |
- error = cid_read_subrs( face ); |
- |
- Exit: |
- cid_done_loader( &loader ); |
- return error; |
- } |
- |
- |
-/* END */ |