ASTextNode2 to ignore certain text alignments while calculating intrinsic size #1166
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nguyenhuy
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nguyenhuy
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…sic size ASTextNode2 uses ASTextLayout to calculate its layout and bounding rect. When the constrained width that is used for layout calculation is inf/max, ASTextLayout doesn't ignore right/center/natural text alignment but takes it into account. That results in an unreasonable size (and position). Fix by detecting when the node is calculating intrinsic size and force its layout alignment to be left. Other alignments should still work when the max width is finite/reasonable.
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Adlai-Holler
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Oct 10, 2018
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Hey Huy! This fix seems fine for the problem, though I would love to get @wiseoldduck 's take as well since he knows the text situation super good. I pestered him over chat.
wiseoldduck
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Oct 11, 2018
Source/ASTextNode2.mm
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| // If constrained width is max/inf, the text node is calculating its intrinsic size. | ||
| const BOOL calculatingIntrinsicSize = (_textContainer.size.width >= ASTextContainerMaxSize.width); |
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Does Texture ever use the isVerticalForm property? We should probably just delete it, but if not maybe check for it here.
Source/ASTextNode2.mm
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| @@ -321,18 +324,31 @@ - (NSArray *)exclusionPaths | |||
| return _textContainer.exclusionPaths; | |||
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| - (void)prepareAttributedString:(NSMutableAttributedString *)attributedString | |||
| - (void)prepareAttributedString:(NSMutableAttributedString *)attributedString forIntrinsicSize:(BOOL)isForIntrinsicSize | |||
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This method name implies the second parameter is a CGSize, to me something like isForIntrinsicSize would imply a BOOL.
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Awesome! Thank you for reviewing, @Adlai-Holler and @wiseoldduck. |
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nguyenhuy
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Oct 11, 2018
…nsic size (#1166) ASTextNode2 uses ASTextLayout to calculate its layout and bounding rect. When the constrained width that is used for layout calculation is inf/max (e.g when the node is inside a horizontal stack), ASTextLayout doesn't ignore its right/center/natural text alignment but takes it into account. That results in an unreasonable size (and position). Fix by detecting when the node is calculating intrinsic size and force its layout alignment to be left. Other alignments should still work when the max width is finite/reasonable.
mikezucc
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Nov 7, 2018
…nsic size (TextureGroup#1166) ASTextNode2 uses ASTextLayout to calculate its layout and bounding rect. When the constrained width that is used for layout calculation is inf/max (e.g when the node is inside a horizontal stack), ASTextLayout doesn't ignore its right/center/natural text alignment but takes it into account. That results in an unreasonable size (and position). Fix by detecting when the node is calculating intrinsic size and force its layout alignment to be left. Other alignments should still work when the max width is finite/reasonable.
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ASTextNode2 uses ASTextLayout to calculate its layout and bounding rect. When the constrained width that is used for layout calculation is inf/max (e.g when the node is inside a horizontal stack), ASTextLayout doesn't ignore its right/center/natural text alignment but takes it into account. That results in an unreasonable size (and position).
Fix by detecting when the node is calculating intrinsic size and force its layout alignment to be left. Other alignments should still work when the max width is finite/reasonable.