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author | David 'Digit' Turner <digit@google.com> | 2011-08-17 18:21:28 +0200 |
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committer | David 'Digit' Turner <digit@google.com> | 2011-08-17 18:25:40 +0200 |
commit | aeb407daf3711a10a27f3bc2223c5eb05158076e (patch) | |
tree | 570010914e8c91992ea388f2319611655c7d4b0c /src/cff | |
parent | 3053d1b9db55099918843889e4809ce97483ca9f (diff) | |
download | android_external_freetype-aeb407daf3711a10a27f3bc2223c5eb05158076e.tar.gz android_external_freetype-aeb407daf3711a10a27f3bc2223c5eb05158076e.tar.bz2 android_external_freetype-aeb407daf3711a10a27f3bc2223c5eb05158076e.zip |
Update to FreeType 2.4.6+
This patch updates our copy of the FreeType sources to 2.4.6+.
More precisely, it contains source code corresponding to the
state of the upstream repository at the following hash
submitted on August 16 2001:
c3fb981e2ac79acad09d5673352646696472f55e
This corresponds to 2.4.6 with 7 more patches applied on top
of it to fix bugs in the TrueType interpreter and the CFF parser.
Change-Id: I9f3ac736d616020c8d10fd1d4e4be466f35fb6e7
Diffstat (limited to 'src/cff')
-rw-r--r-- | src/cff/cffdrivr.c | 2 | ||||
-rw-r--r-- | src/cff/cffgload.c | 19 | ||||
-rw-r--r-- | src/cff/cffload.c | 6 | ||||
-rw-r--r-- | src/cff/cffobjs.c | 60 | ||||
-rw-r--r-- | src/cff/cffparse.c | 33 | ||||
-rw-r--r-- | src/cff/cfftypes.h | 5 |
6 files changed, 99 insertions, 26 deletions
diff --git a/src/cff/cffdrivr.c b/src/cff/cffdrivr.c index 39f04ee..4fd3436 100644 --- a/src/cff/cffdrivr.c +++ b/src/cff/cffdrivr.c @@ -328,7 +328,7 @@ if ( cff && cff->font_info == NULL ) { CFF_FontRecDict dict = &cff->top_font.font_dict; - PS_FontInfoRec *font_info; + PS_FontInfoRec *font_info = NULL; FT_Memory memory = face->root.memory; diff --git a/src/cff/cffgload.c b/src/cff/cffgload.c index e99ee70..cb06bdf 100644 --- a/src/cff/cffgload.c +++ b/src/cff/cffgload.c @@ -4,8 +4,7 @@ /* */ /* OpenType Glyph Loader (body). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, */ -/* 2010 by */ +/* Copyright 1996-2011 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -1159,8 +1158,8 @@ op = cff_op_flex1; break; default: - /* decrement ip for syntax error message */ - ip--; + FT_TRACE4(( " unknown op (12, %d)\n", v )); + break; } } break; @@ -1213,11 +1212,12 @@ op = cff_op_hvcurveto; break; default: + FT_TRACE4(( " unknown op (%d)\n", v )); break; } if ( op == cff_op_unknown ) - goto Syntax_Error; + continue; /* check arguments */ req_args = cff_argument_counts[op]; @@ -1438,9 +1438,14 @@ FT_TRACE4(( op == cff_op_hlineto ? " hlineto\n" : " vlineto\n" )); - if ( num_args < 1 ) + if ( num_args < 0 ) goto Stack_Underflow; + /* there exist subsetted fonts (found in PDFs) */ + /* which call `hlineto' without arguments */ + if ( num_args == 0 ) + break; + if ( cff_builder_start_point ( builder, x, y ) || check_points( builder, num_args ) ) goto Fail; @@ -2701,7 +2706,7 @@ glyph_index ); if ( fd_index >= cff->num_subfonts ) - fd_index = cff->num_subfonts - 1; + fd_index = (FT_Byte)( cff->num_subfonts - 1 ); top_upm = cff->top_font.font_dict.units_per_em; sub_upm = cff->subfonts[fd_index]->font_dict.units_per_em; diff --git a/src/cff/cffload.c b/src/cff/cffload.c index 000cbe3..629d38e 100644 --- a/src/cff/cffload.c +++ b/src/cff/cffload.c @@ -387,7 +387,7 @@ { FT_Error error = CFF_Err_Ok; FT_Memory memory = idx->stream->memory; - FT_Byte** t; + FT_Byte** t = NULL; FT_Byte* new_bytes = NULL; @@ -1269,7 +1269,7 @@ if ( gid != 0 ) { encoding->codes[j] = (FT_UShort)gid; - encoding->count = j + 1; + encoding->count = j + 1; } else { @@ -1514,7 +1514,7 @@ if ( dict->cid_registry != 0xFFFFU ) { CFF_IndexRec fd_index; - CFF_SubFont sub; + CFF_SubFont sub = NULL; FT_UInt idx; diff --git a/src/cff/cffobjs.c b/src/cff/cffobjs.c index 1cd35c9..cd38676 100644 --- a/src/cff/cffobjs.c +++ b/src/cff/cffobjs.c @@ -4,8 +4,7 @@ /* */ /* OpenType objects manager (body). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, */ -/* 2010 by */ +/* Copyright 1996-2011 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -162,7 +161,7 @@ { CFF_Face face = (CFF_Face)cffsize->face; CFF_Font font = (CFF_Font)face->extra.data; - CFF_Internal internal; + CFF_Internal internal = NULL; PS_PrivateRec priv; FT_Memory memory = cffsize->face->memory; @@ -421,6 +420,7 @@ { for ( idx = 7; idx < length; idx++ ) name[idx - 7] = name[idx]; + length -= 7; } } else @@ -429,6 +429,51 @@ } + /* Remove the style part from the family name (if present). */ + + static void + remove_style( FT_String* family_name, + const FT_String* style_name ) + { + FT_Int32 family_name_length, style_name_length; + + + family_name_length = strlen( family_name ); + style_name_length = strlen( style_name ); + + if ( family_name_length > style_name_length ) + { + FT_Int idx; + + + for ( idx = 1; idx <= style_name_length; ++idx ) + { + if ( family_name[family_name_length - idx] != + style_name[style_name_length - idx] ) + break; + } + + if ( idx > style_name_length ) + { + /* family_name ends with style_name; remove it */ + idx = family_name_length - style_name_length - 1; + + /* also remove special characters */ + /* between real family name and style */ + while ( idx > 0 && + ( family_name[idx] == '-' || + family_name[idx] == ' ' || + family_name[idx] == '_' || + family_name[idx] == '+' ) ) + --idx; + + if ( idx > 0 ) + family_name[idx + 1] = '\0'; + } + } + } + + FT_LOCAL_DEF( FT_Error ) cff_face_init( FT_Stream stream, FT_Face cffface, /* CFF_Face */ @@ -436,14 +481,14 @@ FT_Int num_params, FT_Parameter* params ) { - CFF_Face face = (CFF_Face)cffface; + CFF_Face face = (CFF_Face)cffface; FT_Error error; SFNT_Service sfnt; FT_Service_PsCMaps psnames; PSHinter_Service pshinter; FT_Bool pure_cff = 1; FT_Bool sfnt_format = 0; - FT_Library library = cffface->driver->root.library; + FT_Library library = cffface->driver->root.library; sfnt = (SFNT_Service)FT_Get_Module_Interface( @@ -523,7 +568,7 @@ /* now load and parse the CFF table in the file */ { - CFF_Font cff; + CFF_Font cff = NULL; CFF_FontRecDict dict; FT_Memory memory = cffface->memory; FT_Int32 flags; @@ -758,6 +803,9 @@ /* case, the remaining string in `fullp' will be used as */ /* the style name. */ style_name = cff_strcpy( memory, fullp ); + + /* remove the style part from the family name (if present) */ + remove_style( cffface->family_name, style_name ); } break; } diff --git a/src/cff/cffparse.c b/src/cff/cffparse.c index 0d11a72..b12a8d3 100644 --- a/src/cff/cffparse.c +++ b/src/cff/cffparse.c @@ -4,7 +4,7 @@ /* */ /* CFF token stream parser (body) */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010 by */ +/* Copyright 1996-2004, 2007-2011 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -35,8 +35,6 @@ #define FT_COMPONENT trace_cffparse - - FT_LOCAL_DEF( void ) cff_parser_init( CFF_Parser parser, FT_UInt code, @@ -475,9 +473,15 @@ if ( scaling < 0 || scaling > 9 ) { /* Return default matrix in case of unlikely values. */ + + FT_TRACE1(( "cff_parse_font_matrix:" + " strange scaling value for xx element (%d),\n" + " " + " using default matrix\n", scaling )); + matrix->xx = 0x10000L; matrix->yx = 0; - matrix->yx = 0; + matrix->xy = 0; matrix->yy = 0x10000L; offset->x = 0; offset->y = 0; @@ -493,6 +497,12 @@ offset->y = cff_parse_fixed_scaled( data, scaling ); *upm = power_tens[scaling]; + + FT_TRACE4(( " font matrix: [%f %f %f %f]\n", + (double)matrix->xx / *upm / 65536, + (double)matrix->xy / *upm / 65536, + (double)matrix->yx / *upm / 65536, + (double)matrix->yy / *upm / 65536 )); } Exit: @@ -518,6 +528,12 @@ bbox->xMax = FT_RoundFix( cff_parse_fixed( data++ ) ); bbox->yMax = FT_RoundFix( cff_parse_fixed( data ) ); error = CFF_Err_Ok; + + FT_TRACE4(( " bbox: [%d %d %d %d]\n", + bbox->xMin / 65536, + bbox->yMin / 65536, + bbox->xMax / 65536, + bbox->yMax / 65536 )); } return error; @@ -557,8 +573,8 @@ if ( parser->top >= parser->stack + 3 ) { - dict->cid_registry = (FT_UInt)cff_parse_num ( data++ ); - dict->cid_ordering = (FT_UInt)cff_parse_num ( data++ ); + dict->cid_registry = (FT_UInt)cff_parse_num( data++ ); + dict->cid_ordering = (FT_UInt)cff_parse_num( data++ ); if ( **data == 30 ) FT_TRACE1(( "cff_parse_cid_ros: real supplement is rounded\n" )); dict->cid_supplement = cff_parse_num( data ); @@ -566,6 +582,11 @@ FT_TRACE1(( "cff_parse_cid_ros: negative supplement %d is found\n", dict->cid_supplement )); error = CFF_Err_Ok; + + FT_TRACE4(( " ROS: registry sid %d, ordering sid %d, supplement %d\n", + dict->cid_registry, + dict->cid_ordering, + dict->cid_supplement )); } return error; diff --git a/src/cff/cfftypes.h b/src/cff/cfftypes.h index d405357..665ab6f 100644 --- a/src/cff/cfftypes.h +++ b/src/cff/cfftypes.h @@ -5,7 +5,7 @@ /* Basic OpenType/CFF type definitions and interface (specification */ /* only). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2006, 2007, 2008, 2010 by */ +/* Copyright 1996-2003, 2006-2008, 2010-2011 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -212,8 +212,7 @@ FT_BEGIN_HEADER } CFF_SubFontRec, *CFF_SubFont; - /* maximum number of sub-fonts in a CID-keyed file */ -#define CFF_MAX_CID_FONTS 32 +#define CFF_MAX_CID_FONTS 256 typedef struct CFF_FontRec_ |