Documentation

txttrack Text Tracking

Controls the tracking (or letter spacing) in a text image output by the Typesetting Endpoint.

Default is 0, and negative values are allowed.

Unset
~text?fm=png&txtsize=18&w=180&txtfont=avenir%20next%20condensed%2cbold&txt=the+quick+brown+fox+jumps+over+the+lazy+dog.%20the%20five%20boxing%20wizards%20jump%20quickly
txttrack=10
~text?fm=png&txtsize=18&w=180&txtfont=avenir%20next%20condensed%2cbold&txt=the+quick+brown+fox+jumps+over+the+lazy+dog.%20the%20five%20boxing%20wizards%20jump%20quickly
txttrack=-5
~text?fm=png&txtsize=18&w=180&txtfont=avenir%20next%20condensed%2cbold&txt=the+quick+brown+fox+jumps+over+the+lazy+dog.%20the%20five%20boxing%20wizards%20jump%20quickly