diff options
Diffstat (limited to 'src/pcf/pcfdriver.c')
| -rw-r--r-- | src/pcf/pcfdriver.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/src/pcf/pcfdriver.c b/src/pcf/pcfdriver.c index 2b3ab49b3..d172879d9 100644 --- a/src/pcf/pcfdriver.c +++ b/src/pcf/pcfdriver.c @@ -276,6 +276,46 @@ THE SOFTWARE. } + static FT_Long + PCF_Get_Next_Char( FT_CharMap charmap, + FT_Long char_code ) + { + PCF_Face face = (PCF_Face)charmap->face; + PCF_Encoding en_table = face->encodings; + int low, high, mid; + + + FT_TRACE4(( "get_char_index %ld\n", char_code )); + + char_code++; + low = 0; + high = face->nencodings - 1; + + while ( low <= high ) + { + mid = ( low + high ) / 2; + if ( char_code < en_table[mid].enc ) + high = mid - 1; + else if ( char_code > en_table[mid].enc ) + low = mid + 1; + else + return char_code; + } + + if ( high < 0 ) + high = 0; + + while ( high < face->nencodings ) + { + if ( en_table[high].enc >= char_code ) + return en_table[high].enc; + high++; + } + + return 0; + } + + FT_CALLBACK_TABLE_DEF const FT_Driver_Class pcf_driver_class = { @@ -313,7 +353,9 @@ THE SOFTWARE. (FTDriver_getKerning) 0, (FTDriver_attachFile) 0, - (FTDriver_getAdvances) 0 + (FTDriver_getAdvances) 0, + + (FTDriver_getNextChar) PCF_Get_Next_Char }; |