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Fix

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This commit is contained in:
Ilya Laktyushin
2021-12-02 05:19:04 +04:00
parent e888f8e5be
commit 0b6227b09c
1 changed files with 20 additions and 4 deletions
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24
submodules/Display/Source/TextNode.swift
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@@ -1022,10 +1022,26 @@ public class TextNode: ASDisplayNode {
var descent: CGFloat = 0.0
CTLineGetTypographicBounds(coreTextLine, &ascent, &descent, nil)
let lowerX = floor(CTLineGetOffsetForStringIndex(coreTextLine, range.location, nil))
let upperX = ceil(CTLineGetOffsetForStringIndex(coreTextLine, range.location + range.length, nil))
let x = lowerX < upperX ? lowerX : upperX
spoilers.append(TextNodeSpoiler(range: range, frame: CGRect(x: x, y: -descent, width: abs(upperX - lowerX), height: ascent + descent)))
(attributedString.string as NSString).enumerateSubstrings(in: range, options: .byWords) { _, range, _, _ in
let startIndex = range.location
let endIndex = range.location + range.length
var secondaryLeftOffset: CGFloat = 0.0
let rawLeftOffset = CTLineGetOffsetForStringIndex(coreTextLine, startIndex, &secondaryLeftOffset)
var leftOffset = ceil(rawLeftOffset)
if !rawLeftOffset.isEqual(to: secondaryLeftOffset) {
leftOffset = ceil(secondaryLeftOffset)
}
var secondaryRightOffset: CGFloat = 0.0
let rawRighOffset = CTLineGetOffsetForStringIndex(coreTextLine, endIndex, &secondaryRightOffset)
var rightOffset = ceil(rawRighOffset)
if !rawRighOffset.isEqual(to: secondaryRightOffset) {
rightOffset = ceil(secondaryRightOffset)
}
spoilers.append(TextNodeSpoiler(range: range, frame: CGRect(x: min(leftOffset, rightOffset), y: descent - (ascent + descent), width: abs(rightOffset - leftOffset), height: ascent + descent)))
}
} else if let _ = attributes[NSAttributedString.Key.strikethroughStyle] {
let lowerX = floor(CTLineGetOffsetForStringIndex(coreTextLine, range.location, nil))
let upperX = ceil(CTLineGetOffsetForStringIndex(coreTextLine, range.location + range.length, nil))