CAGradientLayer does not support Display P3/Wide Color
Originator: | kylebshr | ||
Number: | rdar://42559318 | Date Originated: | July 24 2018 |
Status: | Resolved | Resolved: | August 6, 2018 |
Product: | Xcode | Product Version: | Version 10.0 beta 4 (10L213o) |
Classification: | Bug | Reproducible: | Yes |
Area: Core Animation Summary: CAGradientLayer does not seem to support wide color. Steps to Reproduce: 1. Create a CAGradientLayer 2. Set its colors to CGColors with a Display P3 color space 3. Note that the colors are rendered without wide color Here's a code snippet I used to create the attached screenshot, which creates an all-pink "gradient." ``` let wideCGColor = CGColor(colorSpace: CGColorSpace(name: CGColorSpace.displayP3)!, components: [1, 0, 0.8, 1])! let gradientLayer = CAGradientLayer() gradientLayer.colors = [wideCGColor, wideCGColor] gradientLayer.locations = [0, 1] ``` In attached the screenshot, I have a layer with the wide color being set as the background color, and the gradient layer underneath, which is noticeably "dull." Expected Results: The gradient layer should render wide colors as such. Actual Results: The gradient layer seems to ignore the wide color space. Version/Build: Xcode Version 10.0 beta 4 (10L213o) iOS Version 12.0 beta 4 (16A5327f) This behavior was also present in Xcode 9.3 building to an iOS 11 device.
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This is resolved in iOS 12 beta 6 (16A5345f)