VTT*
Visual TrueType private tables
The tables listed on this page are used by Microsoft’s Visual TrueType application.
TSI0
: Glyph Program Text Indices
TSI{0,1,2,3,5} are private tables used by Microsoft Visual TrueType (VTT) tool to store its hinting source data.
TSI0 is the index table containing the lengths and offsets for the glyph programs and ‘extra’ programs (‘fpgm’, ‘prep’, and ‘cvt’) that are contained in the TSI1 table.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
TSI1
: Glyph Program Text UTF-8 Text Dump
TSI{0,1,2,3,5} are private tables used by Microsoft Visual TrueType (VTT) tool to store its hinting source data.
TSI1 contains the text of the glyph programs in the form of low-level assembly code, as well as the ‘extra’ programs ‘fpgm’, ‘ppgm’ (i.e. ‘prep’), and ‘cvt’.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
TSI2
: VTT Talk Text Indices
TSI{0,1,2,3,5} are private tables used by Microsoft Visual TrueType (VTT) tool to store its hinting source data.
TSI2 is the index table containing the lengths and offsets for the glyph programs that are contained in the TSI3 table. It uses the same format as the TSI0 table.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
- class fontTools.ttLib.tables.T_S_I__2.table_T_S_I__2(tag=None)[source]
Bases:
table_T_S_I__0
- dependencies = ['TSI3']
TSI3
: VTT Talk UTF-8 Text Dump
TSI{0,1,2,3,5} are private tables used by Microsoft Visual TrueType (VTT) tool to store its hinting source data.
TSI3 contains the text of the glyph programs in the form of ‘VTTTalk’ code.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
- class fontTools.ttLib.tables.T_S_I__3.table_T_S_I__3(tag=None)[source]
Bases:
table_T_S_I__1
- extras = {65530: 'reserved0', 65531: 'reserved1', 65532: 'reserved2', 65533: 'reserved3'}
- indextable = 'TSI2'
TSI5
: VTT Character Group Flag
TSI{0,1,2,3,5} are private tables used by Microsoft Visual TrueType (VTT) tool to store its hinting source data.
TSI5 contains the VTT character groups.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
TSIB
: VTT BASE Table Text Source
TSI{B,C,D,J,P,S,V} are private tables used by Microsoft Visual TrueType (VTT) tool to store its table source data.
TSIB contains the source text for the BASE
table.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
- class fontTools.ttLib.tables.T_S_I_B_.table_T_S_I_B_(tag=None)[source]
Bases:
table_T_S_I_V_
TSIC
: VTT Variation CVT Window Source
TSI{B,C,D,J,P,S,V} are private tables used by Microsoft Visual TrueType (VTT) tool to store its table source data.
TSIC contains the source text for the Variation CVT window and data for
the cvar
table.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
- class fontTools.ttLib.tables.T_S_I_C_.table_T_S_I_C_(tag=None)[source]
Bases:
BaseTTXConverter
TSID
: VTT GDEF Table Text Source
TSI{B,C,D,J,P,S,V} are private tables used by Microsoft Visual TrueType (VTT) tool to store its table source data.
TSID contains the source text for the GDEF
table.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
- class fontTools.ttLib.tables.T_S_I_D_.table_T_S_I_D_(tag=None)[source]
Bases:
table_T_S_I_V_
TSIJ
: VTT JSTF Table Text Source
TSI{B,C,D,J,P,S,V} are private tables used by Microsoft Visual TrueType (VTT) tool to store its table source data.
TSIJ contains the source text for the JSTF
table.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
- class fontTools.ttLib.tables.T_S_I_J_.table_T_S_I_J_(tag=None)[source]
Bases:
table_T_S_I_V_
TSIP
: VTT GPOS Table Text Source
TSI{B,C,D,J,P,S,V} are private tables used by Microsoft Visual TrueType (VTT) tool to store its table source data.
TSIP contains the source text for the GPOS
table.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
- class fontTools.ttLib.tables.T_S_I_P_.table_T_S_I_P_(tag=None)[source]
Bases:
table_T_S_I_V_
TSIS
: VTT GSUB Table Text Source
TSI{B,C,D,J,P,S,V} are private tables used by Microsoft Visual TrueType (VTT) tool to store its table source data.
TSIS contains the source text for the GSUB
table.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables
- class fontTools.ttLib.tables.T_S_I_S_.table_T_S_I_S_(tag=None)[source]
Bases:
table_T_S_I_V_
TSIV
TSI{B,C,D,J,P,S,V} are private tables used by Microsoft Visual TrueType (VTT) tool to store its table source data.
See also https://learn.microsoft.com/en-us/typography/tools/vtt/tsi-tables