VContract contracts the local rectangle vertically by adding a value to y1 and subtracting a value from y2. The following expression is used to determine the result:
(y1, y2) = (y1 + [t, m.Begin, v], y2 - [b, m.End, v])
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Parameters |
Description |
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T v |
A value that is added to y1 and subtracted from y2 in order to contract the sides. |
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T t |
A value that is added to y1 to contract that side. |
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T b |
A value that is subtracted from y2 to contract that side. |
A Rect reference to a new string whose vertical size was contracted by altering y1 and y2.