| textToMeasure | The text to measure. | 
| width | Suggested width. Can be zero. | 
| widthMode | Width restrictions. | 
| height | Suggested height. | 
| heightMode | Height restrictions. | 
Vector2 Returns the horizontal and vertical size needed to display the text string.
Computes the size needed to display a text string based on element style values such as font, font-size, word-wrap, and so on.