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Refactor PasscodeUI

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This commit is contained in:
Peter
2019-08-13 02:24:18 +03:00
parent a9ad5691f5
commit be0473cf85
25 changed files with 722 additions and 180 deletions
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81
submodules/PasscodeUI/Sources/PasscodeBackground.swift Normal file
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import Foundation
import UIKit
import Display
import ImageBlur
protocol PasscodeBackground {
var size: CGSize { get }
var backgroundImage: UIImage { get }
var foregroundImage: UIImage { get }
}
final class GradientPasscodeBackground: PasscodeBackground {
public private(set) var size: CGSize
public private(set) var backgroundImage: UIImage
public private(set) var foregroundImage: UIImage
init(size: CGSize, backgroundColors: (UIColor, UIColor), buttonColor: UIColor) {
self.size = size
self.backgroundImage = generateImage(CGSize(width: 8.0, height: size.height), contextGenerator: { size, context in
let gradientColors = [backgroundColors.1.cgColor, backgroundColors.0.cgColor] as CFArray
var locations: [CGFloat] = [0.0, 1.0]
let colorSpace = CGColorSpaceCreateDeviceRGB()
let gradient = CGGradient(colorsSpace: colorSpace, colors: gradientColors, locations: &locations)!
context.drawLinearGradient(gradient, start: CGPoint(x: 0.0, y: 0.0), end: CGPoint(x: 0.0, y: size.height), options: CGGradientDrawingOptions())
})!
self.foregroundImage = generateImage(CGSize(width: 1.0, height: 1.0), contextGenerator: { size, context in
let bounds = CGRect(origin: CGPoint(), size: size)
context.clear(bounds)
if buttonColor != UIColor.clear {
context.setFillColor(buttonColor.cgColor)
} else {
context.setFillColor(UIColor.white.withAlphaComponent(0.5).cgColor)
}
context.fill(bounds)
})!
}
}
final class ImageBasedPasscodeBackground: PasscodeBackground {
public private(set) var size: CGSize
public private(set) var backgroundImage: UIImage
public private(set) var foregroundImage: UIImage
init(image: UIImage, size: CGSize) {
self.size = size
let contextSize = size.fitted(CGSize(width: 320.0, height: 320.0))
let foregroundContext = DrawingContext(size: contextSize, scale: 1.0)
let bounds = CGRect(origin: CGPoint(), size: contextSize)
foregroundContext.withFlippedContext { c in
c.interpolationQuality = .medium
c.draw(image.cgImage!, in: bounds)
}
telegramFastBlurMore(Int32(contextSize.width), Int32(contextSize.height), Int32(foregroundContext.bytesPerRow), foregroundContext.bytes)
telegramFastBlurMore(Int32(contextSize.width), Int32(contextSize.height), Int32(foregroundContext.bytesPerRow), foregroundContext.bytes)
telegramFastBlurMore(Int32(contextSize.width), Int32(contextSize.height), Int32(foregroundContext.bytesPerRow), foregroundContext.bytes)
telegramBrightenImage(Int32(contextSize.width), Int32(contextSize.height), Int32(foregroundContext.bytesPerRow), foregroundContext.bytes)
foregroundContext.withFlippedContext { c in
c.setFillColor(UIColor(white: 1.0, alpha: 0.1).cgColor)
c.fill(bounds)
}
self.foregroundImage = foregroundContext.generateImage()!
let backgroundContext = DrawingContext(size: contextSize, scale: 1.0)
backgroundContext.withFlippedContext { c in
c.interpolationQuality = .medium
c.draw(image.cgImage!, in: bounds)
}
telegramFastBlurMore(Int32(contextSize.width), Int32(contextSize.height), Int32(backgroundContext.bytesPerRow), backgroundContext.bytes)
telegramFastBlurMore(Int32(contextSize.width), Int32(contextSize.height), Int32(backgroundContext.bytesPerRow), backgroundContext.bytes)
telegramFastBlurMore(Int32(contextSize.width), Int32(contextSize.height), Int32(foregroundContext.bytesPerRow), foregroundContext.bytes)
backgroundContext.withFlippedContext { context in
context.setFillColor(UIColor(white: 0.0, alpha: 0.35).cgColor)
context.fill(bounds)
}
self.backgroundImage = backgroundContext.generateImage()!
}
}