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Add support for gradient wallpapers

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Implement new colors selection UI
This commit is contained in:
Ilya Laktyushin
2019-11-16 08:31:47 +04:00
parent 692b37fa4d
commit 78a09a38b3
33 changed files with 990 additions and 311 deletions
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10
submodules/TelegramPresentationData/Sources/ChatControllerBackgroundNode.swift
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@@ -41,6 +41,16 @@ public func chatControllerBackgroundImage(theme: PresentationTheme, wallpaper in
context.setFillColor(UIColor(rgb: UInt32(bitPattern: color)).cgColor)
context.fill(CGRect(origin: CGPoint(), size: size))
})
case let .gradient(topColor, bottomColor):
backgroundImage = generateImage(CGSize(width: 1.0, height: 1280.0), rotatedContext: { size, context in
let gradientColors = [UIColor(rgb: UInt32(bitPattern: topColor)).cgColor, UIColor(rgb: UInt32(bitPattern: bottomColor)).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())
})
case let .image(representations, settings):
if let largest = largestImageRepresentation(representations) {
if settings.blur && composed {