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Al-Qurtas-Islamic-bank-The-Best-Bank-in-Iraq
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More work on supporting fonts passed from GhostScript: 

sfnt_dir_check now ignores the tables 'glyx' and 'locx' which are hacked-out
versions of 'glyf' and 'loca' in some PostScript Type 42 fonts, and will
generally be invalid.
This commit is contained in:
Graham Asher 2002-07-19 11:40:51 +00:00
parent bd8b08513f
commit 320da730d4
1 changed files with 10 additions and 3 deletions
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13
src/sfnt/ttload.c
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@ -149,13 +149,19 @@
/* */
/* Voila, here comes robust though tolerant font format checking :-) */
/* */
static FT_Error
/* When checking directory entries ignore the tables 'glyx' and 'locx' */
/* which are hacked-out versions of 'glyf' and 'loca' in some PostScript */
/* Type 42 fonts, and will generally be invalid. */
/* */
static FT_Error
sfnt_dir_check( FT_Stream stream,
FT_ULong offset,
FT_UInt num_tables )
{
{
FT_Error error;
FT_UInt nn, has_head = 0;
const FT_ULong glyx_tag = FT_MAKE_TAG('g','l','y','x');
const FT_ULong locx_tag = FT_MAKE_TAG('l','o','c','x');
static const FT_Frame_Field sfnt_dir_entry_fields[] =
{
@ -194,7 +200,8 @@
if ( FT_STREAM_READ_FIELDS( sfnt_dir_entry_fields, &table ) )
goto Bad_Format;
if ( offset + table.Offset + table.Length > stream->size )
if ( offset + table.Offset + table.Length > stream->size &&
table.Tag != glyx_tag && table.Tag != locx_tag )
goto Bad_Format;
if ( table.Tag == TTAG_head )