Conical (angular) gradient for iOS written in Swift

Related tags

Color AEConicalGradient
Overview

Swift 4.2 Platforms iOS CocoaPods Carthage Swift Package Manager License MIT

AEConicalGradient

Conical (angular) gradient in Swift

I hope that somebody will find this useful. And nice.

AEConicalGradient

Usage

AEConicalGradient is a minion which consists of two objects:

  • ConicalGradientLayer
    Subclass of CALayer which performs drawing of conical gradient. You can set colors, locations, start/end angle for the gradient. If no colors are set, default colors will be used. If no locations are set, colors will be equally distributed.

  • ConicalGradientView
    Subclass of UIView which uses ConicalGradientLayer as the view’s Core Animation layer. You can configure conical gradient options with gradient property.

Installation

License

AEConicalGradient is released under the MIT license. See LICENSE for details.

done for fun

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Comments
  • Support for offset angle

    Support for offset angle

    Could you add support for setting the starting angle for the GradientLayer?

    I got this to work by adding an offset to the angle property in drawRect before calling colorForAngle

    opened by davidmuzi 7
  • Kellyroach/tapgesture

    Kellyroach/tapgesture

    This pull request

    • Adds a tap gesture recognizer to the demo app so that whenever the user taps the screen, the user is welcomed with a new random conical gradient. This is the same behavior which was and still is available by rotating device twice, e.g. portrait -> landscape -> portrait .
    • Adds an AppIcon and LaunchImage to the demo app.
    • Fixes repo issue startAngle/endAngle Behavior https://github.com/tadija/AEConicalGradient/issues/3
    opened by kellyroach 1
  • startAngle/endAngle Behavior

    startAngle/endAngle Behavior

    I would expect the color at location 0.0 to begin at startAngle and the color at 1.0 to end at endAngle; however, it appears colors are unconditionally distributed from 0 to 2pi and startAngle/endAngle simply clip the drawing. For example,

    gradientView.gradient.colors = [UIColor.red, UIColor.yellow, UIColor.green] gradientView.gradient.startAngle = .pi gradientView.gradient.endAngle = 2 * .pi

    I would expect this to draw red-yellow-green across the top half of the view. However, it draws only yellow-green across the top half.

    opened by chulbert 1
  • Animatable Properties

    Animatable Properties

    The documentation in the code say that both colors and locations are supposed to be animatable, but I can't seem to get them to animate with a UIView animation or a CA Basic key path animator. If the docs are correct, how are you animating color transitions?

    opened by joeblau 3
Owner
Marko Tadić
keep it simple
Marko Tadić
GitHub
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