diff options
Diffstat (limited to 'source/blender/blenfont/intern/blf_font.c')
| -rw-r--r-- | source/blender/blenfont/intern/blf_font.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/source/blender/blenfont/intern/blf_font.c b/source/blender/blenfont/intern/blf_font.c index a170f27d247..26a72fcb95a 100644 --- a/source/blender/blenfont/intern/blf_font.c +++ b/source/blender/blenfont/intern/blf_font.c @@ -18,6 +18,7 @@ #include FT_FREETYPE_H #include FT_GLYPH_H +#include FT_TRUETYPE_TABLES_H /* For TT_OS2 */ #include "MEM_guardedalloc.h" @@ -1288,6 +1289,25 @@ FontBLF *blf_font_new(const char *name, const char *filepath) font->filepath = BLI_strdup(filepath); blf_font_fill(font); + /* Save TrueType table with bits to quickly test most unicode block coverage. */ + TT_OS2 *os2_table = (TT_OS2 *)FT_Get_Sfnt_Table(font->face, FT_SFNT_OS2); + if (os2_table) { + font->UnicodeRanges[0] = (uint)os2_table->ulUnicodeRange1; + font->UnicodeRanges[1] = (uint)os2_table->ulUnicodeRange2; + font->UnicodeRanges[2] = (uint)os2_table->ulUnicodeRange3; + font->UnicodeRanges[3] = (uint)os2_table->ulUnicodeRange4; + } + + /* Detect "Last resort" fonts. They have everything. Usually except last 5 bits. */ + if (font->UnicodeRanges[0] == 0xffffffffU && font->UnicodeRanges[1] == 0xffffffffU && + font->UnicodeRanges[2] == 0xffffffffU && font->UnicodeRanges[3] >= 0x7FFFFFFU) { + font->flags |= BLF_LAST_RESORT; + } + + if (FT_IS_FIXED_WIDTH(font->face)) { + font->flags |= BLF_MONOSPACED; + } + if (FT_HAS_KERNING(font->face)) { /* Create kerning cache table and fill with value indicating "unset". */ font->kerning_cache = MEM_mallocN(sizeof(KerningCacheBLF), __func__); |