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[macOS] Force clipping to path when platform view clip rect is rotated#42539
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cbracken merged 1 commit intoflutter:mainfrom Jun 6, 2023
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flutter/engine@aaa7574...722aad8 2023-06-06 matej.knopp@gmail.com [macOS] Force clipping to path when platform view clip rect is rotated (flutter/engine#42539) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC jonahwilliams@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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The `isRTLAtPosition` method had a bug, it used `NSInteger max = [_selectionRects count]` instead of `NSInteger max = [_selectionRects count] - 1`. But I realized we don't even need the function any more, it was used in a few places in previous iterations of #36643, but in the only place remaining, we actually already have the selection rect and don't need to search for it by position. Btw as an explanation of the crash, I guess there is some mismatch between code point and character count somewhere. UIKit was asking for `caretRectForPosition:2` when we only had 1 character. This could have only crashed when floating cursor selection was used, but actually when switching to CJK keyboard, UIKit turns out to use `caretRectForPosition` to calculate something about the composing rect. Fixes flutter/flutter#128031
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…42539) The `isRTLAtPosition` method had a bug, it used `NSInteger max = [_selectionRects count]` instead of `NSInteger max = [_selectionRects count] - 1`. But I realized we don't even need the function any more, it was used in a few places in previous iterations of flutter#36643, but in the only place remaining, we actually already have the selection rect and don't need to search for it by position. Btw as an explanation of the crash, I guess there is some mismatch between code point and character count somewhere. UIKit was asking for `caretRectForPosition:2` when we only had 1 character. This could have only crashed when floating cursor selection was used, but actually when switching to CJK keyboard, UIKit turns out to use `caretRectForPosition` to calculate something about the composing rect. Fixes flutter/flutter#128031
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Normally when platform view is clipped to a simple rect we rely on clipping to container layer bounds. However when the clip rect is rotated the container layer is expanded accordingly and clipping to path must be used instead.
Fixes flutter/flutter#128175
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