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Unified Diff: core/src/fxge/fx_freetype/fxft2.5.01/src/psaux/afmparse.c

Issue 815103002: Update freetype to 2.5.4. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Adjust GYP and GN Created 6 years ago
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Index: core/src/fxge/fx_freetype/fxft2.5.01/src/psaux/afmparse.c
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/psaux/afmparse.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/psaux/afmparse.c
deleted file mode 100644
index 9a1cd3d6c16194654c5f0364c5c90ea25adc8612..0000000000000000000000000000000000000000
--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/psaux/afmparse.c
+++ /dev/null
@@ -1,964 +0,0 @@
-/***************************************************************************/
-/* */
-/* afmparse.c */
-/* */
-/* AFM parser (body). */
-/* */
-/* Copyright 2006-2010, 2012, 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/freetype.h"
-#include "../../include/freetype/internal/ftdebug.h"
-#include "../../include/freetype/internal/psaux.h"
-
-#include "afmparse.h"
-#include "psconv.h"
-
-#include "psauxerr.h"
-
-
-/***************************************************************************/
-/* */
-/* AFM_Stream */
-/* */
-/* The use of AFM_Stream is largely inspired by parseAFM.[ch] from t1lib. */
-/* */
-/* */
-
- enum
- {
- AFM_STREAM_STATUS_NORMAL,
- AFM_STREAM_STATUS_EOC,
- AFM_STREAM_STATUS_EOL,
- AFM_STREAM_STATUS_EOF
- };
-
-
- typedef struct AFM_StreamRec_
- {
- FT_Byte* cursor;
- FT_Byte* base;
- FT_Byte* limit;
-
- FT_Int status;
-
- } AFM_StreamRec;
-
-
-#ifndef EOF
-#define EOF -1
-#endif
-
-
- /* this works because empty lines are ignored */
-#define AFM_IS_NEWLINE( ch ) ( (ch) == '\r' || (ch) == '\n' )
-
-#define AFM_IS_EOF( ch ) ( (ch) == EOF || (ch) == '\x1a' )
-#define AFM_IS_SPACE( ch ) ( (ch) == ' ' || (ch) == '\t' )
-
- /* column separator; there is no `column' in the spec actually */
-#define AFM_IS_SEP( ch ) ( (ch) == ';' )
-
-#define AFM_GETC() \
- ( ( (stream)->cursor < (stream)->limit ) ? *(stream)->cursor++ \
- : EOF )
-
-#define AFM_STREAM_KEY_BEGIN( stream ) \
- (char*)( (stream)->cursor - 1 )
-
-#define AFM_STREAM_KEY_LEN( stream, key ) \
- ( (char*)(stream)->cursor - key - 1 )
-
-#define AFM_STATUS_EOC( stream ) \
- ( (stream)->status >= AFM_STREAM_STATUS_EOC )
-
-#define AFM_STATUS_EOL( stream ) \
- ( (stream)->status >= AFM_STREAM_STATUS_EOL )
-
-#define AFM_STATUS_EOF( stream ) \
- ( (stream)->status >= AFM_STREAM_STATUS_EOF )
-
-
- static int
- afm_stream_skip_spaces( AFM_Stream stream )
- {
- int ch = 0; /* make stupid compiler happy */
-
-
- if ( AFM_STATUS_EOC( stream ) )
- return ';';
-
- while ( 1 )
- {
- ch = AFM_GETC();
- if ( !AFM_IS_SPACE( ch ) )
- break;
- }
-
- if ( AFM_IS_NEWLINE( ch ) )
- stream->status = AFM_STREAM_STATUS_EOL;
- else if ( AFM_IS_SEP( ch ) )
- stream->status = AFM_STREAM_STATUS_EOC;
- else if ( AFM_IS_EOF( ch ) )
- stream->status = AFM_STREAM_STATUS_EOF;
-
- return ch;
- }
-
-
- /* read a key or value in current column */
- static char*
- afm_stream_read_one( AFM_Stream stream )
- {
- char* str;
-
-
- afm_stream_skip_spaces( stream );
- if ( AFM_STATUS_EOC( stream ) )
- return NULL;
-
- str = AFM_STREAM_KEY_BEGIN( stream );
-
- while ( 1 )
- {
- int ch = AFM_GETC();
-
-
- if ( AFM_IS_SPACE( ch ) )
- break;
- else if ( AFM_IS_NEWLINE( ch ) )
- {
- stream->status = AFM_STREAM_STATUS_EOL;
- break;
- }
- else if ( AFM_IS_SEP( ch ) )
- {
- stream->status = AFM_STREAM_STATUS_EOC;
- break;
- }
- else if ( AFM_IS_EOF( ch ) )
- {
- stream->status = AFM_STREAM_STATUS_EOF;
- break;
- }
- }
-
- return str;
- }
-
-
- /* read a string (i.e., read to EOL) */
- static char*
- afm_stream_read_string( AFM_Stream stream )
- {
- char* str;
-
-
- afm_stream_skip_spaces( stream );
- if ( AFM_STATUS_EOL( stream ) )
- return NULL;
-
- str = AFM_STREAM_KEY_BEGIN( stream );
-
- /* scan to eol */
- while ( 1 )
- {
- int ch = AFM_GETC();
-
-
- if ( AFM_IS_NEWLINE( ch ) )
- {
- stream->status = AFM_STREAM_STATUS_EOL;
- break;
- }
- else if ( AFM_IS_EOF( ch ) )
- {
- stream->status = AFM_STREAM_STATUS_EOF;
- break;
- }
- }
-
- return str;
- }
-
-
- /*************************************************************************/
- /* */
- /* AFM_Parser */
- /* */
- /* */
-
- /* all keys defined in Ch. 7-10 of 5004.AFM_Spec.pdf */
- typedef enum AFM_Token_
- {
- AFM_TOKEN_ASCENDER,
- AFM_TOKEN_AXISLABEL,
- AFM_TOKEN_AXISTYPE,
- AFM_TOKEN_B,
- AFM_TOKEN_BLENDAXISTYPES,
- AFM_TOKEN_BLENDDESIGNMAP,
- AFM_TOKEN_BLENDDESIGNPOSITIONS,
- AFM_TOKEN_C,
- AFM_TOKEN_CC,
- AFM_TOKEN_CH,
- AFM_TOKEN_CAPHEIGHT,
- AFM_TOKEN_CHARWIDTH,
- AFM_TOKEN_CHARACTERSET,
- AFM_TOKEN_CHARACTERS,
- AFM_TOKEN_DESCENDER,
- AFM_TOKEN_ENCODINGSCHEME,
- AFM_TOKEN_ENDAXIS,
- AFM_TOKEN_ENDCHARMETRICS,
- AFM_TOKEN_ENDCOMPOSITES,
- AFM_TOKEN_ENDDIRECTION,
- AFM_TOKEN_ENDFONTMETRICS,
- AFM_TOKEN_ENDKERNDATA,
- AFM_TOKEN_ENDKERNPAIRS,
- AFM_TOKEN_ENDTRACKKERN,
- AFM_TOKEN_ESCCHAR,
- AFM_TOKEN_FAMILYNAME,
- AFM_TOKEN_FONTBBOX,
- AFM_TOKEN_FONTNAME,
- AFM_TOKEN_FULLNAME,
- AFM_TOKEN_ISBASEFONT,
- AFM_TOKEN_ISCIDFONT,
- AFM_TOKEN_ISFIXEDPITCH,
- AFM_TOKEN_ISFIXEDV,
- AFM_TOKEN_ITALICANGLE,
- AFM_TOKEN_KP,
- AFM_TOKEN_KPH,
- AFM_TOKEN_KPX,
- AFM_TOKEN_KPY,
- AFM_TOKEN_L,
- AFM_TOKEN_MAPPINGSCHEME,
- AFM_TOKEN_METRICSSETS,
- AFM_TOKEN_N,
- AFM_TOKEN_NOTICE,
- AFM_TOKEN_PCC,
- AFM_TOKEN_STARTAXIS,
- AFM_TOKEN_STARTCHARMETRICS,
- AFM_TOKEN_STARTCOMPOSITES,
- AFM_TOKEN_STARTDIRECTION,
- AFM_TOKEN_STARTFONTMETRICS,
- AFM_TOKEN_STARTKERNDATA,
- AFM_TOKEN_STARTKERNPAIRS,
- AFM_TOKEN_STARTKERNPAIRS0,
- AFM_TOKEN_STARTKERNPAIRS1,
- AFM_TOKEN_STARTTRACKKERN,
- AFM_TOKEN_STDHW,
- AFM_TOKEN_STDVW,
- AFM_TOKEN_TRACKKERN,
- AFM_TOKEN_UNDERLINEPOSITION,
- AFM_TOKEN_UNDERLINETHICKNESS,
- AFM_TOKEN_VV,
- AFM_TOKEN_VVECTOR,
- AFM_TOKEN_VERSION,
- AFM_TOKEN_W,
- AFM_TOKEN_W0,
- AFM_TOKEN_W0X,
- AFM_TOKEN_W0Y,
- AFM_TOKEN_W1,
- AFM_TOKEN_W1X,
- AFM_TOKEN_W1Y,
- AFM_TOKEN_WX,
- AFM_TOKEN_WY,
- AFM_TOKEN_WEIGHT,
- AFM_TOKEN_WEIGHTVECTOR,
- AFM_TOKEN_XHEIGHT,
- N_AFM_TOKENS,
- AFM_TOKEN_UNKNOWN
-
- } AFM_Token;
-
-
- static const char* const afm_key_table[N_AFM_TOKENS] =
- {
- "Ascender",
- "AxisLabel",
- "AxisType",
- "B",
- "BlendAxisTypes",
- "BlendDesignMap",
- "BlendDesignPositions",
- "C",
- "CC",
- "CH",
- "CapHeight",
- "CharWidth",
- "CharacterSet",
- "Characters",
- "Descender",
- "EncodingScheme",
- "EndAxis",
- "EndCharMetrics",
- "EndComposites",
- "EndDirection",
- "EndFontMetrics",
- "EndKernData",
- "EndKernPairs",
- "EndTrackKern",
- "EscChar",
- "FamilyName",
- "FontBBox",
- "FontName",
- "FullName",
- "IsBaseFont",
- "IsCIDFont",
- "IsFixedPitch",
- "IsFixedV",
- "ItalicAngle",
- "KP",
- "KPH",
- "KPX",
- "KPY",
- "L",
- "MappingScheme",
- "MetricsSets",
- "N",
- "Notice",
- "PCC",
- "StartAxis",
- "StartCharMetrics",
- "StartComposites",
- "StartDirection",
- "StartFontMetrics",
- "StartKernData",
- "StartKernPairs",
- "StartKernPairs0",
- "StartKernPairs1",
- "StartTrackKern",
- "StdHW",
- "StdVW",
- "TrackKern",
- "UnderlinePosition",
- "UnderlineThickness",
- "VV",
- "VVector",
- "Version",
- "W",
- "W0",
- "W0X",
- "W0Y",
- "W1",
- "W1X",
- "W1Y",
- "WX",
- "WY",
- "Weight",
- "WeightVector",
- "XHeight"
- };
-
-
- /*
- * `afm_parser_read_vals' and `afm_parser_next_key' provide
- * high-level operations to an AFM_Stream. The rest of the
- * parser functions should use them without accessing the
- * AFM_Stream directly.
- */
-
- FT_LOCAL_DEF( FT_Int )
- afm_parser_read_vals( AFM_Parser parser,
- AFM_Value vals,
- FT_UInt n )
- {
- AFM_Stream stream = parser->stream;
- char* str;
- FT_UInt i;
-
-
- if ( n > AFM_MAX_ARGUMENTS )
- return 0;
-
- for ( i = 0; i < n; i++ )
- {
- FT_Offset len;
- AFM_Value val = vals + i;
-
-
- if ( val->type == AFM_VALUE_TYPE_STRING )
- str = afm_stream_read_string( stream );
- else
- str = afm_stream_read_one( stream );
-
- if ( !str )
- break;
-
- len = AFM_STREAM_KEY_LEN( stream, str );
-
- switch ( val->type )
- {
- case AFM_VALUE_TYPE_STRING:
- case AFM_VALUE_TYPE_NAME:
- {
- FT_Memory memory = parser->memory;
- FT_Error error;
-
-
- if ( !FT_QALLOC( val->u.s, len + 1 ) )
- {
- ft_memcpy( val->u.s, str, len );
- val->u.s[len] = '\0';
- }
- }
- break;
-
- case AFM_VALUE_TYPE_FIXED:
- val->u.f = PS_Conv_ToFixed( (FT_Byte**)(void*)&str,
- (FT_Byte*)str + len, 0 );
- break;
-
- case AFM_VALUE_TYPE_INTEGER:
- val->u.i = PS_Conv_ToInt( (FT_Byte**)(void*)&str,
- (FT_Byte*)str + len );
- break;
-
- case AFM_VALUE_TYPE_BOOL:
- val->u.b = FT_BOOL( len == 4 &&
- !ft_strncmp( str, "true", 4 ) );
- break;
-
- case AFM_VALUE_TYPE_INDEX:
- if ( parser->get_index )
- val->u.i = parser->get_index( str, len, parser->user_data );
- else
- val->u.i = 0;
- break;
- }
- }
-
- return i;
- }
-
-
- FT_LOCAL_DEF( char* )
- afm_parser_next_key( AFM_Parser parser,
- FT_Bool line,
- FT_Offset* len )
- {
- AFM_Stream stream = parser->stream;
- char* key = 0; /* make stupid compiler happy */
-
-
- if ( line )
- {
- while ( 1 )
- {
- /* skip current line */
- if ( !AFM_STATUS_EOL( stream ) )
- afm_stream_read_string( stream );
-
- stream->status = AFM_STREAM_STATUS_NORMAL;
- key = afm_stream_read_one( stream );
-
- /* skip empty line */
- if ( !key &&
- !AFM_STATUS_EOF( stream ) &&
- AFM_STATUS_EOL( stream ) )
- continue;
-
- break;
- }
- }
- else
- {
- while ( 1 )
- {
- /* skip current column */
- while ( !AFM_STATUS_EOC( stream ) )
- afm_stream_read_one( stream );
-
- stream->status = AFM_STREAM_STATUS_NORMAL;
- key = afm_stream_read_one( stream );
-
- /* skip empty column */
- if ( !key &&
- !AFM_STATUS_EOF( stream ) &&
- AFM_STATUS_EOC( stream ) )
- continue;
-
- break;
- }
- }
-
- if ( len )
- *len = ( key ) ? (FT_Offset)AFM_STREAM_KEY_LEN( stream, key )
- : 0;
-
- return key;
- }
-
-
- static AFM_Token
- afm_tokenize( const char* key,
- FT_Offset len )
- {
- int n;
-
-
- for ( n = 0; n < N_AFM_TOKENS; n++ )
- {
- if ( *( afm_key_table[n] ) == *key )
- {
- for ( ; n < N_AFM_TOKENS; n++ )
- {
- if ( *( afm_key_table[n] ) != *key )
- return AFM_TOKEN_UNKNOWN;
-
- if ( ft_strncmp( afm_key_table[n], key, len ) == 0 )
- return (AFM_Token) n;
- }
- }
- }
-
- return AFM_TOKEN_UNKNOWN;
- }
-
-
- FT_LOCAL_DEF( FT_Error )
- afm_parser_init( AFM_Parser parser,
- FT_Memory memory,
- FT_Byte* base,
- FT_Byte* limit )
- {
- AFM_Stream stream = NULL;
- FT_Error error;
-
-
- if ( FT_NEW( stream ) )
- return error;
-
- stream->cursor = stream->base = base;
- stream->limit = limit;
-
- /* don't skip the first line during the first call */
- stream->status = AFM_STREAM_STATUS_EOL;
-
- parser->memory = memory;
- parser->stream = stream;
- parser->FontInfo = NULL;
- parser->get_index = NULL;
-
- return FT_Err_Ok;
- }
-
-
- FT_LOCAL( void )
- afm_parser_done( AFM_Parser parser )
- {
- FT_Memory memory = parser->memory;
-
-
- FT_FREE( parser->stream );
- }
-
-
- FT_LOCAL_DEF( FT_Error )
- afm_parser_read_int( AFM_Parser parser,
- FT_Int* aint )
- {
- AFM_ValueRec val;
-
-
- val.type = AFM_VALUE_TYPE_INTEGER;
-
- if ( afm_parser_read_vals( parser, &val, 1 ) == 1 )
- {
- *aint = val.u.i;
-
- return FT_Err_Ok;
- }
- else
- return FT_THROW( Syntax_Error );
- }
-
-
- static FT_Error
- afm_parse_track_kern( AFM_Parser parser )
- {
- AFM_FontInfo fi = parser->FontInfo;
- AFM_TrackKern tk;
- char* key;
- FT_Offset len;
- int n = -1;
-
-
- if ( afm_parser_read_int( parser, &fi->NumTrackKern ) )
- goto Fail;
-
- if ( fi->NumTrackKern )
- {
- FT_Memory memory = parser->memory;
- FT_Error error;
-
-
- if ( FT_QNEW_ARRAY( fi->TrackKerns, fi->NumTrackKern ) )
- return error;
- }
-
- while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 )
- {
- AFM_ValueRec shared_vals[5];
-
-
- switch ( afm_tokenize( key, len ) )
- {
- case AFM_TOKEN_TRACKKERN:
- n++;
-
- if ( n >= fi->NumTrackKern )
- goto Fail;
-
- tk = fi->TrackKerns + n;
-
- shared_vals[0].type = AFM_VALUE_TYPE_INTEGER;
- shared_vals[1].type = AFM_VALUE_TYPE_FIXED;
- shared_vals[2].type = AFM_VALUE_TYPE_FIXED;
- shared_vals[3].type = AFM_VALUE_TYPE_FIXED;
- shared_vals[4].type = AFM_VALUE_TYPE_FIXED;
- if ( afm_parser_read_vals( parser, shared_vals, 5 ) != 5 )
- goto Fail;
-
- tk->degree = shared_vals[0].u.i;
- tk->min_ptsize = shared_vals[1].u.f;
- tk->min_kern = shared_vals[2].u.f;
- tk->max_ptsize = shared_vals[3].u.f;
- tk->max_kern = shared_vals[4].u.f;
-
- break;
-
- case AFM_TOKEN_ENDTRACKKERN:
- case AFM_TOKEN_ENDKERNDATA:
- case AFM_TOKEN_ENDFONTMETRICS:
- fi->NumTrackKern = n + 1;
- return FT_Err_Ok;
-
- case AFM_TOKEN_UNKNOWN:
- break;
-
- default:
- goto Fail;
- }
- }
-
- Fail:
- return FT_THROW( Syntax_Error );
- }
-
-
-#undef KERN_INDEX
-#define KERN_INDEX( g1, g2 ) ( ( (FT_ULong)g1 << 16 ) | g2 )
-
-
- /* compare two kerning pairs */
- FT_CALLBACK_DEF( int )
- afm_compare_kern_pairs( const void* a,
- const void* b )
- {
- AFM_KernPair kp1 = (AFM_KernPair)a;
- AFM_KernPair kp2 = (AFM_KernPair)b;
-
- FT_ULong index1 = KERN_INDEX( kp1->index1, kp1->index2 );
- FT_ULong index2 = KERN_INDEX( kp2->index1, kp2->index2 );
-
-
- if ( index1 > index2 )
- return 1;
- else if ( index1 < index2 )
- return -1;
- else
- return 0;
- }
-
-
- static FT_Error
- afm_parse_kern_pairs( AFM_Parser parser )
- {
- AFM_FontInfo fi = parser->FontInfo;
- AFM_KernPair kp;
- char* key;
- FT_Offset len;
- int n = -1;
-
-
- if ( afm_parser_read_int( parser, &fi->NumKernPair ) )
- goto Fail;
-
- if ( fi->NumKernPair )
- {
- FT_Memory memory = parser->memory;
- FT_Error error;
-
-
- if ( FT_QNEW_ARRAY( fi->KernPairs, fi->NumKernPair ) )
- return error;
- }
-
- while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 )
- {
- AFM_Token token = afm_tokenize( key, len );
-
-
- switch ( token )
- {
- case AFM_TOKEN_KP:
- case AFM_TOKEN_KPX:
- case AFM_TOKEN_KPY:
- {
- FT_Int r;
- AFM_ValueRec shared_vals[4];
-
-
- n++;
-
- if ( n >= fi->NumKernPair )
- goto Fail;
-
- kp = fi->KernPairs + n;
-
- shared_vals[0].type = AFM_VALUE_TYPE_INDEX;
- shared_vals[1].type = AFM_VALUE_TYPE_INDEX;
- shared_vals[2].type = AFM_VALUE_TYPE_INTEGER;
- shared_vals[3].type = AFM_VALUE_TYPE_INTEGER;
- r = afm_parser_read_vals( parser, shared_vals, 4 );
- if ( r < 3 )
- goto Fail;
-
- kp->index1 = shared_vals[0].u.i;
- kp->index2 = shared_vals[1].u.i;
- if ( token == AFM_TOKEN_KPY )
- {
- kp->x = 0;
- kp->y = shared_vals[2].u.i;
- }
- else
- {
- kp->x = shared_vals[2].u.i;
- kp->y = ( token == AFM_TOKEN_KP && r == 4 )
- ? shared_vals[3].u.i : 0;
- }
- }
- break;
-
- case AFM_TOKEN_ENDKERNPAIRS:
- case AFM_TOKEN_ENDKERNDATA:
- case AFM_TOKEN_ENDFONTMETRICS:
- fi->NumKernPair = n + 1;
- ft_qsort( fi->KernPairs, fi->NumKernPair,
- sizeof ( AFM_KernPairRec ),
- afm_compare_kern_pairs );
- return FT_Err_Ok;
-
- case AFM_TOKEN_UNKNOWN:
- break;
-
- default:
- goto Fail;
- }
- }
-
- Fail:
- return FT_THROW( Syntax_Error );
- }
-
-
- static FT_Error
- afm_parse_kern_data( AFM_Parser parser )
- {
- FT_Error error;
- char* key;
- FT_Offset len;
-
-
- while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 )
- {
- switch ( afm_tokenize( key, len ) )
- {
- case AFM_TOKEN_STARTTRACKKERN:
- error = afm_parse_track_kern( parser );
- if ( error )
- return error;
- break;
-
- case AFM_TOKEN_STARTKERNPAIRS:
- case AFM_TOKEN_STARTKERNPAIRS0:
- error = afm_parse_kern_pairs( parser );
- if ( error )
- return error;
- break;
-
- case AFM_TOKEN_ENDKERNDATA:
- case AFM_TOKEN_ENDFONTMETRICS:
- return FT_Err_Ok;
-
- case AFM_TOKEN_UNKNOWN:
- break;
-
- default:
- goto Fail;
- }
- }
-
- Fail:
- return FT_THROW( Syntax_Error );
- }
-
-
- static FT_Error
- afm_parser_skip_section( AFM_Parser parser,
- FT_UInt n,
- AFM_Token end_section )
- {
- char* key;
- FT_Offset len;
-
-
- while ( n-- > 0 )
- {
- key = afm_parser_next_key( parser, 1, NULL );
- if ( !key )
- goto Fail;
- }
-
- while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 )
- {
- AFM_Token token = afm_tokenize( key, len );
-
-
- if ( token == end_section || token == AFM_TOKEN_ENDFONTMETRICS )
- return FT_Err_Ok;
- }
-
- Fail:
- return FT_THROW( Syntax_Error );
- }
-
-
- FT_LOCAL_DEF( FT_Error )
- afm_parser_parse( AFM_Parser parser )
- {
- FT_Memory memory = parser->memory;
- AFM_FontInfo fi = parser->FontInfo;
- FT_Error error = FT_ERR( Syntax_Error );
- char* key;
- FT_Offset len;
- FT_Int metrics_sets = 0;
-
-
- if ( !fi )
- return FT_THROW( Invalid_Argument );
-
- key = afm_parser_next_key( parser, 1, &len );
- if ( !key || len != 16 ||
- ft_strncmp( key, "StartFontMetrics", 16 ) != 0 )
- return FT_THROW( Unknown_File_Format );
-
- while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 )
- {
- AFM_ValueRec shared_vals[4];
-
-
- switch ( afm_tokenize( key, len ) )
- {
- case AFM_TOKEN_METRICSSETS:
- if ( afm_parser_read_int( parser, &metrics_sets ) )
- goto Fail;
-
- if ( metrics_sets != 0 && metrics_sets != 2 )
- {
- error = FT_THROW( Unimplemented_Feature );
-
- goto Fail;
- }
- break;
-
- case AFM_TOKEN_ISCIDFONT:
- shared_vals[0].type = AFM_VALUE_TYPE_BOOL;
- if ( afm_parser_read_vals( parser, shared_vals, 1 ) != 1 )
- goto Fail;
-
- fi->IsCIDFont = shared_vals[0].u.b;
- break;
-
- case AFM_TOKEN_FONTBBOX:
- shared_vals[0].type = AFM_VALUE_TYPE_FIXED;
- shared_vals[1].type = AFM_VALUE_TYPE_FIXED;
- shared_vals[2].type = AFM_VALUE_TYPE_FIXED;
- shared_vals[3].type = AFM_VALUE_TYPE_FIXED;
- if ( afm_parser_read_vals( parser, shared_vals, 4 ) != 4 )
- goto Fail;
-
- fi->FontBBox.xMin = shared_vals[0].u.f;
- fi->FontBBox.yMin = shared_vals[1].u.f;
- fi->FontBBox.xMax = shared_vals[2].u.f;
- fi->FontBBox.yMax = shared_vals[3].u.f;
- break;
-
- case AFM_TOKEN_ASCENDER:
- shared_vals[0].type = AFM_VALUE_TYPE_FIXED;
- if ( afm_parser_read_vals( parser, shared_vals, 1 ) != 1 )
- goto Fail;
-
- fi->Ascender = shared_vals[0].u.f;
- break;
-
- case AFM_TOKEN_DESCENDER:
- shared_vals[0].type = AFM_VALUE_TYPE_FIXED;
- if ( afm_parser_read_vals( parser, shared_vals, 1 ) != 1 )
- goto Fail;
-
- fi->Descender = shared_vals[0].u.f;
- break;
-
- case AFM_TOKEN_STARTCHARMETRICS:
- {
- FT_Int n = 0;
-
-
- if ( afm_parser_read_int( parser, &n ) )
- goto Fail;
-
- error = afm_parser_skip_section( parser, n,
- AFM_TOKEN_ENDCHARMETRICS );
- if ( error )
- return error;
- }
- break;
-
- case AFM_TOKEN_STARTKERNDATA:
- error = afm_parse_kern_data( parser );
- if ( error )
- goto Fail;
- /* fall through since we only support kern data */
-
- case AFM_TOKEN_ENDFONTMETRICS:
- return FT_Err_Ok;
-
- default:
- break;
- }
- }
-
- Fail:
- FT_FREE( fi->TrackKerns );
- fi->NumTrackKern = 0;
-
- FT_FREE( fi->KernPairs );
- fi->NumKernPair = 0;
-
- fi->IsCIDFont = 0;
-
- return error;
- }
-
-
-/* END */
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