pango:tab-array-new-with-positions (size positions-in-pixel &rest args)

size -- an integer for the initial number of tab stops to allocate, can be 0
positions-in-pixels -- a boolean whether positions are in pixel units
args -- a list of pairs with the pango:tab-align value and position of the tab stops

The newly allocated pango:tab-array instance.

This is a convenience function that creates a pango:tab-array instance and allows you to specify the alignment and position of each tab stop. You must provide an alignment and position for size tab stops.