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[subset] Write out a format 4, plat 0 encoding record to match fontTools.

This commit is contained in:
Garret Rieger 2018-05-03 10:53:20 -07:00
parent 9ef55a4c13
commit c817992f49
2 changed files with 16 additions and 10 deletions
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24
src/hb-ot-cmap-table.hh
View File

@ -764,7 +764,7 @@ struct cmap
inline size_t final_size() const
{
return 4 // header
+ 8 * 2 // 2 EncodingRecord
+ 8 * 3 // 3 EncodingRecord
+ CmapSubtableFormat4::get_sub_table_size (this->format4_segments)
+ CmapSubtableFormat12::get_sub_table_size (this->format12_groups);
}
@ -807,24 +807,30 @@ struct cmap
cmap->version.set (0);
if (unlikely (!cmap->encodingRecord.serialize (&c, /* numTables */ 2)))
if (unlikely (!cmap->encodingRecord.serialize (&c, /* numTables */ 3)))
return false;
// TODO(grieger): Convert the below to a for loop
// Format 4 Encoding Record
EncodingRecord &format4_rec = cmap->encodingRecord[0];
format4_rec.platformID.set (3); // Windows
format4_rec.encodingID.set (1); // Unicode BMP
// Format 4, Plat 0 Encoding Record
EncodingRecord &format4_plat0_rec = cmap->encodingRecord[0];
format4_plat0_rec.platformID.set (0); // Unicode
format4_plat0_rec.encodingID.set (3);
// Format 4, Plat 3 Encoding Record
EncodingRecord &format4_plat3_rec = cmap->encodingRecord[1];
format4_plat3_rec.platformID.set (3); // Windows
format4_plat3_rec.encodingID.set (1); // Unicode BMP
// Format 12 Encoding Record
EncodingRecord &format12_rec = cmap->encodingRecord[1];
EncodingRecord &format12_rec = cmap->encodingRecord[2];
format12_rec.platformID.set (3); // Windows
format12_rec.encodingID.set (10); // Unicode UCS-4
// Write out format 4 sub table.
// Write out format 4 sub table
{
CmapSubtable &subtable = format4_rec.subtable.serialize (&c, cmap);
CmapSubtable &subtable = format4_plat0_rec.subtable.serialize (&c, cmap);
format4_plat3_rec.subtable.set (format4_plat0_rec.subtable);
subtable.u.format.set (4);
CmapSubtableFormat4 &format4 = subtable.u.format4;

2
test/api/test-subset-cmap.c
View File

@ -33,7 +33,7 @@ static void
test_subset_cmap (void)
{
hb_face_t *face_abc = hb_subset_test_open_font ("fonts/Roboto-Regular.abc.ttf");
hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Roboto-Regular.ac.cmap-format12-only.ttf");
hb_face_t *face_ac = hb_subset_test_open_font ("fonts/Roboto-Regular.ac.ttf");
hb_set_t *codepoints = hb_set_create ();
hb_face_t *face_abc_subset;