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[WIP] Stickers editor

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This commit is contained in:
Ilya Laktyushin
2024-04-11 22:56:57 +04:00
parent c7035b2621
commit ccb2415473
7 changed files with 39 additions and 145 deletions
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150
submodules/DrawingUI/Sources/DrawingTextEntityView.swift
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@@ -27,7 +27,7 @@ public final class DrawingTextEntityView: DrawingEntityView, UITextViewDelegate
return self.entity as! DrawingTextEntity
}
let blurredBackgroundView: BlurredBackgroundView
// let blurredBackgroundView: BlurredBackgroundView
let textView: DrawingTextView
var customEmojiContainerView: CustomEmojiContainerView?
var emojiViewProvider: ((ChatTextInputTextCustomEmojiAttribute) -> UIView)?
@@ -37,9 +37,9 @@ public final class DrawingTextEntityView: DrawingEntityView, UITextViewDelegate
var replaceWithAnimatedImage: (Data, UIImage) -> Void = { _, _ in }
init(context: AccountContext, entity: DrawingTextEntity) {
self.blurredBackgroundView = BlurredBackgroundView(color: UIColor(white: 0.0, alpha: 0.25), enableBlur: true)
self.blurredBackgroundView.clipsToBounds = true
self.blurredBackgroundView.isHidden = true
// self.blurredBackgroundView = BlurredBackgroundView(color: UIColor(white: 0.0, alpha: 0.25), enableBlur: true)
// self.blurredBackgroundView.clipsToBounds = true
// self.blurredBackgroundView.isHidden = true
self.textView = DrawingTextView(frame: .zero)
self.textView.clipsToBounds = false
@@ -62,7 +62,7 @@ public final class DrawingTextEntityView: DrawingEntityView, UITextViewDelegate
super.init(context: context, entity: entity)
self.textView.delegate = self
self.addSubview(self.blurredBackgroundView)
// self.addSubview(self.blurredBackgroundView)
self.addSubview(self.textView)
self.emojiViewProvider = { emoji in
@@ -420,7 +420,6 @@ public final class DrawingTextEntityView: DrawingEntityView, UITextViewDelegate
}
public override func sizeThatFits(_ size: CGSize) -> CGSize {
self.textView.setNeedsLayersUpdate()
var result = self.textView.sizeThatFits(CGSize(width: self.textEntity.width, height: .greatestFiniteMagnitude))
result.width = max(224.0, ceil(result.width) + 20.0)
result.height = ceil(result.height);
@@ -458,7 +457,6 @@ public final class DrawingTextEntityView: DrawingEntityView, UITextViewDelegate
let range = NSMakeRange(0, text.length)
let fontSize = self.displayFontSize
self.textView.hasTextLayers = [.typing, .wiggle].contains(self.textEntity.animation)
self.textView.drawingLayoutManager.textContainers.first?.lineFragmentPadding = floor(fontSize * 0.24)
if let (font, name) = availableFonts[text.string.lowercased()] {
@@ -498,11 +496,8 @@ public final class DrawingTextEntityView: DrawingEntityView, UITextViewDelegate
guard let visualText = text.mutableCopy() as? NSMutableAttributedString else {
return
}
if self.textView.hasTextLayers {
text.addAttribute(.foregroundColor, value: UIColor.clear, range: range)
} else {
text.addAttribute(.foregroundColor, value: textColor, range: range)
}
text.addAttribute(.foregroundColor, value: textColor, range: range)
visualText.addAttribute(.foregroundColor, value: textColor, range: range)
text.enumerateAttributes(in: range) { attributes, subrange, _ in
@@ -522,67 +517,8 @@ public final class DrawingTextEntityView: DrawingEntityView, UITextViewDelegate
if keepSelectedRange {
self.textView.selectedRange = previousRange
}
if self.textView.hasTextLayers {
self.textView.onLayersUpdate = { [weak self] in
self?.updateTextAnimations()
}
} else {
self.updateTextAnimations()
}
}
func updateTextAnimations() {
for layer in self.textView.characterLayers {
layer.removeAllAnimations()
}
self.textView.layer.removeAllAnimations()
guard self.textView.characterLayers.count > 0 || self.textEntity.animation == .zoomIn else {
return
}
switch self.textEntity.animation {
case .typing:
let delta: CGFloat = 1.0 / CGFloat(self.textView.characterLayers.count + 3)
let duration = Double(self.textView.characterLayers.count + 3) * 0.28
var offset = delta
for layer in self.textView.characterLayers {
let animation = CAKeyframeAnimation(keyPath: "opacity")
animation.calculationMode = .discrete
animation.values = [0.0, 1.0]
animation.keyTimes = [0.0, offset as NSNumber, 1.0]
animation.timingFunction = CAMediaTimingFunction(name: .easeInEaseOut)
animation.duration = duration
animation.repeatCount = .infinity
layer.add(animation, forKey: "opacity")
offset += delta
}
case .wiggle:
for layer in self.textView.characterLayers {
let animation = CABasicAnimation(keyPath: "transform.rotation.z")
animation.fromValue = (-.pi / 10.0) as NSNumber
animation.toValue = (.pi / 10.0) as NSNumber
animation.autoreverses = true
animation.timingFunction = CAMediaTimingFunction(name: .easeInEaseOut)
animation.duration = 0.6
animation.repeatCount = .infinity
layer.add(animation, forKey: "transform.rotation.z")
}
case .zoomIn:
let animation = CABasicAnimation(keyPath: "transform.scale")
animation.fromValue = 0.001 as NSNumber
animation.toValue = 1.0 as NSNumber
animation.autoreverses = true
animation.timingFunction = CAMediaTimingFunction(name: .easeInEaseOut)
animation.duration = 0.8
animation.repeatCount = .infinity
self.textView.layer.add(animation, forKey: "transform.scale")
default:
break
}
}
public override func update(animated: Bool = false) {
self.update(animated: animated, keepSelectedRange: false, updateEditingPosition: true)
}
@@ -687,30 +623,6 @@ public final class DrawingTextEntityView: DrawingEntityView, UITextViewDelegate
return image
}
func getPresentationRenderImage() -> UIImage? {
let rect = self.bounds
UIGraphicsBeginImageContextWithOptions(rect.size, false, 1.0)
if let context = UIGraphicsGetCurrentContext() {
for layer in self.textView.characterLayers {
if let presentation = layer.presentation() {
context.saveGState()
context.translateBy(x: presentation.position.x - presentation.bounds.width / 2.0, y: 0.0)
if let rotation = (presentation.value(forKeyPath: "transform.rotation.z") as? NSNumber)?.floatValue {
context.translateBy(x: presentation.bounds.width / 2.0, y: presentation.bounds.height)
context.rotate(by: CGFloat(rotation))
context.translateBy(x: -presentation.bounds.width / 2.0, y: -presentation.bounds.height)
}
presentation.render(in: context)
context.restoreGState()
}
}
}
//self.textView.drawHierarchy(in: rect, afterScreenUpdates: true)
let image = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
return image
}
func getRenderSubEntities() -> [DrawingEntity] {
let textSize = self.textView.bounds.size
let textPosition = self.textEntity.position
@@ -1236,8 +1148,6 @@ final class SimpleTextLayer: CATextLayer {
}
final class DrawingTextView: UITextView, NSLayoutManagerDelegate {
var characterLayers: [CALayer] = []
var drawingLayoutManager: DrawingTextLayoutManager {
return self.layoutManager as! DrawingTextLayoutManager
}
@@ -1307,7 +1217,6 @@ final class DrawingTextView: UITextView, NSLayoutManagerDelegate {
}
}
var hasTextLayers = false
var visualText: NSAttributedString?
init(frame: CGRect) {
@@ -1357,15 +1266,8 @@ final class DrawingTextView: UITextView, NSLayoutManagerDelegate {
}
var onLayoutUpdate: (() -> Void)?
var onLayersUpdate: (() -> Void)?
private var needsLayersUpdate = false
func setNeedsLayersUpdate() {
self.needsLayersUpdate = true
}
func layoutManager(_ layoutManager: NSLayoutManager, didCompleteLayoutFor textContainer: NSTextContainer?, atEnd layoutFinishedFlag: Bool) {
self.updateCharLayers()
if layoutFinishedFlag {
if let onLayoutUpdate = self.onLayoutUpdate {
self.onLayoutUpdate = nil
@@ -1374,42 +1276,6 @@ final class DrawingTextView: UITextView, NSLayoutManagerDelegate {
}
}
func updateCharLayers() {
for layer in self.characterLayers {
layer.removeFromSuperlayer()
}
self.characterLayers = []
guard let attributedString = self.visualText, self.hasTextLayers else {
return
}
let wordRange = NSMakeRange(0, attributedString.length)
var index = wordRange.location
while index < wordRange.location + wordRange.length {
let glyphRange = NSMakeRange(index, 1)
let characterRange = self.layoutManager.characterRange(forGlyphRange: glyphRange, actualGlyphRange:nil)
var glyphRect = self.layoutManager.boundingRect(forGlyphRange: glyphRange, in: self.textContainer)
//let location = self.layoutManager.location(forGlyphAt: index)
glyphRect.origin.y += glyphRect.height / 2.0 //location.y - (glyphRect.height / 2.0);
let textLayer = SimpleTextLayer()
textLayer.contentsScale = 1.0
textLayer.frame = glyphRect
textLayer.string = attributedString.attributedSubstring(from: characterRange)
textLayer.anchorPoint = CGPoint(x: 0.5, y: 1.0)
self.layer.addSublayer(textLayer)
self.characterLayers.append(textLayer)
let stepGlyphRange = self.layoutManager.glyphRange(forCharacterRange: characterRange, actualCharacterRange:nil)
index += stepGlyphRange.length
}
self.onLayersUpdate?()
}
var onPaste: () -> Bool = { return true }
override func paste(_ sender: Any?) {
if !self.text.isEmpty || self.onPaste() {