mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Andres Suarez
8bd3edec88
Reviewed By: aaronabramov Differential Revision: D33367752 fbshipit-source-id: 4ce94d184485e5ee0a62cf67ad2d3ba16e285c8f
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <memory>
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#include <react/renderer/attributedstring/AttributedStringBox.h>
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#include <react/renderer/attributedstring/ParagraphAttributes.h>
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#include <react/renderer/core/LayoutConstraints.h>
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#include <react/renderer/textlayoutmanager/TextMeasureCache.h>
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#include <react/utils/ContextContainer.h>
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namespace facebook {
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namespace react {
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class TextLayoutManager;
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/*
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* Cross platform facade for iOS-specific RCTTTextLayoutManager.
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*/
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class TextLayoutManager {
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public:
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TextLayoutManager(ContextContainer::Shared const &contextContainer);
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/*
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* Measures `attributedString` using native text rendering infrastructure.
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*/
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TextMeasurement measure(
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AttributedStringBox attributedStringBox,
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ParagraphAttributes paragraphAttributes,
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LayoutConstraints layoutConstraints) const;
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/*
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* Measures lines of `attributedString` using native text rendering
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* infrastructure.
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*/
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LinesMeasurements measureLines(
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AttributedString attributedString,
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ParagraphAttributes paragraphAttributes,
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Size size) const;
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/*
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* Returns an opaque pointer to platform-specific TextLayoutManager.
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* Is used on a native views layer to delegate text rendering to the manager.
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*/
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std::shared_ptr<void> getNativeTextLayoutManager() const;
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private:
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std::shared_ptr<void> self_;
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TextMeasureCache measureCache_{};
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};
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} // namespace react
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} // namespace facebook
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