Functions

Summary

Sets the required texttoimage functions that need to be tested during setup.

Usage

Extensions=<name texttoimage functions>

Description

Some texttoimage functions are required for Exponential to work correctly. During setup it is tested if these functions exist. This setting lists the function that need to be tested. The setting "Require" in the same block defines whether only one of these functions must exist, or whether all of them should.
This setting is case sensitive.

Examples

Functions=imagettftext;imagettfbbox

This is the default setting.