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frame & bounds

frame & bounds

作者: March_Cullen | 来源:发表于2017-03-02 15:51 被阅读0次
frame&bounds.jpg

point A
frame:(0, 0, 550, 400)
bounds:(0, 0, 550, 400)

point B
frame:(200, 100, 200, 200)
bounds:(0, 0, 200, 200)

  • Frame is in terms of superview's coordinate system,
  • Bounds is in terms of local coordinate system,
  • Center is in terms of local coordinate system.

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