At some point you calculate the size of the object you draw as you have to know where to draw. Simply store that size in a member variable and return it from within sizeHint. The matrix you use will help you to do the calculations.
At some point you calculate the size of the object you draw as you have to know where to draw. Simply store that size in a member variable and return it from within sizeHint. The matrix you use will help you to do the calculations.
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