The output dimensions are determined by the character height, aspect ratio, number of lines and line length. If no text is given, the standard input is read. Text reads upwards.
Text reads downwards.
The default is 32 pixels. The default value is 1.67. Set the horizontal image size to xsize. The sign of the value, positive or negative, determines how this ideal spacing is used in the actual placement of characters. If spacing is positive, then the overall width of the line will not be affected, nor will indentation of textual elements.