stretchY

Segments where the graphic label is allowed to stretch the image in the Y-axis, each sublist must contain 2 values, which are from and to values, the first value must not be larger than the second value.

It is important that these values do not exceed

eg. a stretchY with the following value will stretch the image using the pixels between 75 and 100, and 125 and 150.

{ { 75, 100 }, { 125, 150 } }