https://github.com/dqhieu/UIGradient

A simple and powerful library for using gradient layer, image, color
https://github.com/dqhieu/UIGradient

color colorful gradient gradient-colors gradient-image gradientlayer ios ios-lib ios-swift swift uigradient

Last synced: 5 days ago
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A simple and powerful library for using gradient layer, image, color

• Host: GitHub
• URL: https://github.com/dqhieu/UIGradient
• Owner: dqhieu
• License: mit
• Created: 2017-12-07T08:46:31.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2023-10-01T00:21:09.000Z (about 1 year ago)
• Last Synced: 2024-10-20T05:14:34.954Z (15 days ago)
• Topics: color, colorful, gradient, gradient-colors, gradient-image, gradientlayer, ios, ios-lib, ios-swift, swift, uigradient
• Language: Swift
• Homepage:
• Size: 2.75 MB
• Stars: 266
• Watchers: 10
• Forks: 28
• Open Issues: 5
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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• awesome-swift - UIGradient - A simple and powerful library for using gradient layer, image, color. (Libs / Colors)

README

        










![Platform](https://img.shields.io/cocoapods/p/UIGradient.svg?style=flat) ![Swift 5](https://img.shields.io/badge/Swift-5-orange.svg) ![Version](https://img.shields.io/cocoapods/v/UIGradient.svg?style=flat) ![License](https://img.shields.io/cocoapods/l/UIGradient.svg?style=flat)



## Installation

### SPM

Add `https://github.com/dqhieu/UIGradient.git` to Swift Package Manager tab in Xcode

### Cocoapods

Add `pod 'UIGradient'` to your Podfile

## Usage

### GradientLayer

Create a GradientLayer then add it to your view's

```swift

public extension UIView {

    func addGradientWithDirection(_ direction: GradientDirection, colors: [UIColor], cornerRadius: CGFloat = 0, locations: [Double]? = nil)

    func addGradient(_ gradientLayer: GradientLayer, cornerRadius: CGFloat = 0)

	

}

```

Example

```swift

let gradient = GradientLayer(direction: GradientDirection, colors: [UIColor])

view.addGradient(gradient)

```

UIGradient supports those directions below:

```swift

public enum GradientDirection {

    case topToBottom // top to bottom

    case bottomToTop // bottom to top

    case leftToRight // left to right

    case rightToLeft // right to left

    case topLeftToBottomRight // top left to bottom right

    case topRightToBottomLeft // top right to bottom left

    case bottomLeftToTopRight // bottom left to top right

    case bottomRightToTopLeft // bottom right to top left

}

```

You can also create a GradientLayer clone instance using this function:

```swift

open class GradientLayer: CAGradientLayer {

    ...

    public final func clone() -> GradientLayer

    ...

}

```

### Gradient color

UIGradient allows you create gradient color

```swift

public extension UIColor {

    static func fromGradient(_ gradient: GradientLayer, frame: CGRect, cornerRadius: CGFloat = 0) -> UIColor?

	

    static func fromGradientWithDirection(_ direction: GradientDirection, frame: CGRect, colors: [UIColor], cornerRadius: CGFloat = 0, locations: [Double]? = nil) -> UIColor?

	

}

```

Example

```swift

let view1 = UIView(frame: frame)

view1.backgroundColor = UIColor.fromGradientWithDirection(.topToBottom, frame: frame, colors: [UIColor.blue, UIColor.green])

//view1.backgroundColor = UIColor.fromGradient(gradient, frame: frame)

```

```swift

let label = UILabel(frame: frame)

label.text = "some text"

label.textColor = UIColor.fromGradient(gradient, frame: frame)

```

### Gradient image

UIGradient also allows you create gradient image

```swift

public extension UIImage {

    static func fromGradient(_ gradient: GradientLayer, frame: CGRect, cornerRadius: CGFloat = 0) -> UIImage?

	

    static func fromGradientWithDirection(_ direction: GradientDirection, frame: CGRect, colors: [UIColor], cornerRadius: CGFloat = 0, locations: [Double]? = nil) -> UIImage?

	

}

```

Example

```swift

let imageView = UIImageView(frame: frame)

imageView.image = UIImage.fromGradientWithDirection(.bottomLeftToTopRight, frame: frame, colors: [UIColor.blue, UIColor.green])

```

## Gradient library

UIGradient was inspired by [@lukedesigner](https://twitter.com/lukedesigner). I created 24 gradients based on his [website](http://www.gradients.io) and make them static variables of GradientLayer so everyone can use those gradients for their projects.

```swift

let oceanBlueGradient 		= GradientLayer.oceanBlue

let sanguineGradient  		= GradientLayer.sanguine

let lusciousLimeGradient 	= GradientLayer.lusciousLime

let purpleLakeGradient 		= GradientLayer.purpleLake

...

```







You can explore them in my example project.


## Author

UIGradient was created by **Đinh Quang Hiếu** in 2017 using Swift. If you found any problem please create issue or pull request to help me improve this open source project. Thanks!

## License

UIGradient is released and distributed under the terms and conditions of the MIT license.