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Add support for new sticker thumbnail encoding

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This commit is contained in:
Ilya Laktyushin 2020-11-12 00:47:58 +04:00
parent 8b569209c8
commit d6ea8206cc
1 changed files with 22 additions and 24 deletions
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44
submodules/TelegramUI/Sources/StickerShimmerEffectNode.swift
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@ -123,6 +123,25 @@ private final class ShimmerEffectForegroundNode: ASDisplayNode {
}
}
private let decodingMap: [String] = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "-", ","]
private func decodeStickerThumbnailData(_ data: Data) -> String {
var string = "M"
data.forEach { byte in
if byte >= 128 + 64 {
string.append(decodingMap[Int(byte) - 128 - 64])
} else {
if byte >= 128 {
string.append(",")
} else if byte >= 64 {
string.append("-")
}
string.append("\(byte & 63)")
}
}
string.append("z")
return string
}
class StickerShimmerEffectNode: ASDisplayNode {
private let backgroundNode: ASDisplayNode
private let effectNode: ShimmerEffectForegroundNode
@ -172,19 +191,14 @@ class StickerShimmerEffectNode: ASDisplayNode {
context.setFillColor(backgroundColor.cgColor)
context.setBlendMode(.copy)
context.fill(CGRect(origin: CGPoint(), size: size))
context.setFillColor(UIColor.clear.cgColor)
} else {
context.clear(CGRect(origin: CGPoint(), size: size))
context.setFillColor(UIColor.black.cgColor)
}
if let data = data, let unpackedData = TGGUnzipData(data, 5 * 1024 * 1024), let path = String(data: unpackedData, encoding: .utf8) {
if data.count == 141 {
print()
}
var path = path
if let data = data {
var path = decodeStickerThumbnailData(data)
if !path.hasPrefix("z") {
path = "\(path)z"
}
@ -473,22 +487,6 @@ private func renderPath(_ segments: [PathSegment], context: CGContext) {
s(data[0], y2: data[1], x: data[2], y: data[3])
data.removeSubrange((0 ..< 4))
}
// case .Q:
// Q(data[0], y1: data[1], x: data[2], y: data[3])
// case .q:
// q(data[0], y1: data[1], x: data[2], y: data[3])
// case .T:
// T(data[0], y: data[1])
// case .t:
// t(data[0], y: data[1])
// case .A:
// A(data[0], ry: data[1], angle: data[2], largeArc: num2bool(data[3]), sweep: num2bool(data[4]), x: data[5], y: data[6])
// case .a:
// a(data[0], ry: data[1], angle: data[2], largeArc: num2bool(data[3]), sweep: num2bool(data[4]), x: data[5], y: data[6])
// case .E:
// E(data[0], y: data[1], w: data[2], h: data[3], startAngle: data[4], arcAngle: data[5])
// case .e:
// e(data[0], y: data[1], w: data[2], h: data[3], startAngle: data[4], arcAngle: data[5])
case .z:
z()
default: