forked from minhngoc25a/freetype2
* src/sfnt/sfobjs.c (tt_face_get_name): Modified to return an error
code so that memory allocation problems can be distinguished from missing table entries. Reported by Graham Asher. (GET_NAME): New macro. (sfnt_load_face): Use it.
This commit is contained in:
Werner Lemberg
parent
c321b9b063
commit
9512092859
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@ -1,3 +1,11 @@
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2008-11-08 Werner Lemberg <wl@gnu.org>
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* src/sfnt/sfobjs.c (tt_face_get_name): Modified to return an error
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code so that memory allocation problems can be distinguished from
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missing table entries. Reported by Graham Asher.
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(GET_NAME): New macro.
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(sfnt_load_face): Use it.
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2008-11-05 Werner Lemberg <wl@gnu.org>
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* devel/ftoption.h, include/freetype/config/ftoption.h
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@ -123,14 +123,20 @@
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/* */
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/* nameid :: The name id of the name record to return. */
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/* */
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/* <Return> */
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/* Character string. NULL if no name is present. */
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/* <InOut> */
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/* name :: The address of a string pointer. NULL if no name is */
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/* present. */
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/* */
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static FT_String*
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tt_face_get_name( TT_Face face,
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FT_UShort nameid )
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/* <Return> */
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/* FreeType error code. 0 means success. */
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/* */
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static FT_Error
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tt_face_get_name( TT_Face face,
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FT_UShort nameid,
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FT_String** name )
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{
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FT_Memory memory = face->root.memory;
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FT_Error error = SFNT_Err_Ok;
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FT_String* result = NULL;
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FT_UShort n;
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TT_NameEntryRec* rec;
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@ -145,6 +151,8 @@
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TT_NameEntry_ConvertFunc convert;
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FT_ASSERT( name );
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rec = face->name_table.names;
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for ( n = 0; n < face->num_names; n++, rec++ )
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{
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@ -256,11 +264,8 @@
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{
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if ( rec->string == NULL )
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{
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FT_Error error = SFNT_Err_Ok;
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FT_Stream stream = face->name_table.stream;
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FT_UNUSED( error );
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if ( FT_QNEW_ARRAY ( rec->string, rec->stringLength ) ||
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FT_STREAM_SEEK( rec->stringOffset ) ||
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@ -277,7 +282,8 @@
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}
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Exit:
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return result;
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*name = result;
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return error;
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}
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@ -499,6 +505,13 @@
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FT_TRACE3(( "\n" )); \
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} while ( 0 )
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#define GET_NAME( id, field ) \
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do { \
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error = tt_face_get_name( face, TT_NAME_ID_##id, field ); \
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if ( error ) \
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goto Exit; \
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} while ( 0 )
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FT_LOCAL_DEF( FT_Error )
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sfnt_load_face( FT_Stream stream,
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@ -699,8 +712,6 @@
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LOAD_( gasp );
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LOAD_( kern );
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error = SFNT_Err_Ok;
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face->root.num_glyphs = face->max_profile.numGlyphs;
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#if 0
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@ -713,17 +724,13 @@
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if ( face->os2.version != 0xFFFFU && face->os2.fsSelection & 256 )
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#endif
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{
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face->root.family_name =
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tt_face_get_name( face, TT_NAME_ID_PREFERRED_FAMILY );
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GET_NAME( PREFERRED_FAMILY, &face->root.family_name );
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if ( !face->root.family_name )
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face->root.family_name =
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tt_face_get_name( face, TT_NAME_ID_FONT_FAMILY );
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GET_NAME( FONT_FAMILY, &face->root.family_name );
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face->root.style_name =
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tt_face_get_name( face, TT_NAME_ID_PREFERRED_SUBFAMILY );
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GET_NAME( PREFERRED_SUBFAMILY, &face->root.style_name );
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if ( !face->root.style_name )
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face->root.style_name =
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tt_face_get_name( face, TT_NAME_ID_FONT_SUBFAMILY );
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GET_NAME( FONT_SUBFAMILY, &face->root.style_name );
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}
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#if 0
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else
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@ -732,23 +739,17 @@
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/* subfamily) is still under consideration by Microsoft and */
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/* not implemented in the current version of WPF. */
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face->root.family_name =
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tt_face_get_name( face, TT_NAME_ID_WWS_FAMILY );
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GET_NAME( WWS_FAMILY, &face->root.family_name );
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if ( !face->root.family_name )
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face->root.family_name =
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tt_face_get_name( face, TT_NAME_ID_PREFERRED_FAMILY );
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GET_NAME( PREFERRED_FAMILY, &face->root.family_name );
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if ( !face->root.family_name )
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face->root.family_name =
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tt_face_get_name( face, TT_NAME_ID_FONT_FAMILY );
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GET_NAME( FONT_FAMILY, &face->root.family_name );
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face->root.style_name =
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tt_face_get_name( face, TT_NAME_ID_WWS_SUBFAMILY );
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GET_NAME( WWS_SUBFAMILY, &face->root.style_name );
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if ( !face->root.style_name )
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face->root.style_name =
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tt_face_get_name( face, TT_NAME_ID_PREFERRED_SUBFAMILY );
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GET_NAME( PREFERRED_SUBFAMILY, &face->root.style_name );
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if ( !face->root.style_name )
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face->root.style_name =
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tt_face_get_name( face, TT_NAME_ID_FONT_SUBFAMILY );
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GET_NAME( FONT_SUBFAMILY, &face->root.style_name );
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}
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#endif
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@ -1032,6 +1033,7 @@
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#undef LOAD_
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#undef LOADM_
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#undef GET_NAME
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FT_LOCAL_DEF( void )
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@ -416,13 +416,14 @@
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/* tt_face_get_ps_name */
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/* */
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/* <Description> */
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/* Gets the PostScript glyph name of a glyph. */
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/* Get the PostScript glyph name of a glyph. */
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/* */
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/* <Input> */
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/* face :: A handle to the parent face. */
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/* */
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/* idx :: The glyph index. */
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/* */
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/* <InOut> */
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/* PSname :: The address of a string pointer. Will be NULL in case */
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/* of error, otherwise it is a pointer to the glyph name. */
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/* */
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@ -436,9 +437,9 @@
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FT_UInt idx,
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FT_String** PSname )
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{
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FT_Error error;
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TT_Post_Names names;
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FT_Fixed format;
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FT_Error error;
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TT_Post_Names names;
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FT_Fixed format;
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#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES
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FT_Service_PsCMaps psnames;
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