parent
14b6f31635
commit
580e82beae
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@ -105,14 +105,19 @@ CGFloat ScaleFromIPhone5(CGFloat iPhone5Value)
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- (NSLayoutConstraint *)autoPinToAspectRatio:(CGFloat)ratio
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{
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self.translatesAutoresizingMaskIntoConstraints = NO;
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// Clamp to ensure view has reasonable aspect ratio.
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CGFloat clampedRatio = Clamp(ratio, 0.5, 95.0);
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if (clampedRatio != ratio) {
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OWSFail(@"Invalid aspect ratio: %f for view: %@", ratio, self);
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}
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self.translatesAutoresizingMaskIntoConstraints = NO;
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NSLayoutConstraint *constraint = [NSLayoutConstraint constraintWithItem:self
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attribute:NSLayoutAttributeWidth
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relatedBy:NSLayoutRelationEqual
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toItem:self
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attribute:NSLayoutAttributeHeight
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multiplier:ratio
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multiplier:clampedRatio
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constant:0.f];
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[constraint autoInstall];
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return constraint;
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