prep — Control Value Program (OpenType 1.9)
The Control Value Program consists of a set of TrueType instructions that will be executed whenever the font or point size or transformation matrix change and before each glyph is interpreted. Any instruction is valid in the CV Program but since no glyph is associated with it, instructions intended to move points within a particular glyph outline cannot be used in the CV Program.
Note: The tag 'prep' is anachronistic: in earlier specifications, the table was referred to as the Pre Program table.
| Type | Description |
|---|---|
| uint8[ n ] | Set of instructions executed whenever point size or font or transformation change. n is the number of uint8 items that fit in the size of the table. |
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OpenType specification