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[Rendering] Set allowsEdgeAntialiasing for transformed views 

Summary:
By default, the edges of rotated layers on iOS have jagged edges because they are not antialiased. Setting `allowsEdgeAntialiasing` makes them look a lot nicer by smoothing out the jaggies. This is particularly important for UIs like Tinder cards, for example.

Closes https://github.com/facebook/react-native/pull/1999
Github Author: James Ide <ide@jameside.com>
This commit is contained in:
James Ide 2015-07-16 03:51:54 -07:00
parent 2cb634bb0b
commit b362072c83
1 changed files with 6 additions and 1 deletions
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7
React/Views/RCTViewManager.m
View File

@ -102,8 +102,13 @@ RCT_REMAP_VIEW_PROPERTY(shadowColor, layer.shadowColor, CGColor);
RCT_REMAP_VIEW_PROPERTY(shadowOffset, layer.shadowOffset, CGSize);
RCT_REMAP_VIEW_PROPERTY(shadowOpacity, layer.shadowOpacity, float)
RCT_REMAP_VIEW_PROPERTY(shadowRadius, layer.shadowRadius, CGFloat)
RCT_REMAP_VIEW_PROPERTY(transformMatrix, layer.transform, CATransform3D)
RCT_REMAP_VIEW_PROPERTY(overflow, clipsToBounds, css_clip_t)
RCT_CUSTOM_VIEW_PROPERTY(transformMatrix, CATransform3D, RCTView)
{
view.layer.transform = json ? [RCTConvert CATransform3D:json] : defaultView.layer.transform;
// TODO: Improve this by enabling edge antialiasing only for transforms with rotation or skewing
view.layer.allowsEdgeAntialiasing = !CATransform3DIsIdentity(view.layer.transform);
}
RCT_CUSTOM_VIEW_PROPERTY(pointerEvents, RCTPointerEvents, RCTView)
{
if ([view respondsToSelector:@selector(setPointerEvents:)]) {