Text X Position
txt-x
Defines the x-coordinate of the text in relation to the left-most edge of the base image.
The value can be a positive or negative integer. If the value is negative, the image will be partially outside the base image boundary. The txt-x parameter will overwrite txt-align=left, txt-align=center, txt-align=right, and txt-pad (in the horizontal direction) if set. Use txt-x[N] to override this for a specific text layer — bare txt-x applies to every layer by default.