b6ba69bae7
If the start/end range passed to GetRectsForRange includes lines of text that did not render any glyphs, then GetRectsForRange should add a placeholder for that line. In particular, the framework expects this so that it can position the cursor on an empty line when editing text. Fixes https://github.com/flutter/flutter/issues/16418
Flutter Engine
Flutter is a new way to build high-performance, cross-platform mobile apps. Flutter is optimized for today's, and tomorrow's, mobile devices. We are focused on low-latency input and high frame rates on Android and iOS.
The Flutter Engine is a portable runtime for hosting Flutter applications. It implements Flutter's core libraries, including animation and graphics, file and network I/O, accessibility support, plugin architecture, and a Dart runtime and compile toolchain. Most developers wil interact with Flutter via the Flutter Framework, which provides a modern, reactive framework, and a rich set of platform, layout and foundation widgets.
Flutter is still under development and we continue to add features. However, it is ready for use by early adopters who are willing to deal with the odd wrinkle or two along the way. We hope you try it out and send us feedback.
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For information about using Flutter to build apps, please see the getting started guide.
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For information about contributing to the Flutter framework, please see the main Flutter repository.
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For information about contributing code to the engine itself, please see CONTRIBUTING.md.
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For information about the engine's architecture, please see the wiki.
Community
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