Files
react-native/ReactCommon/react/renderer/attributedstring/ParagraphAttributes.h
T
Genki Kondo 3b2d541989 Set textBreakStrategy default to be HighQuality
Summary:
Android TextView's default for breakStrategy is BREAK_STRATEGY_HIGH_QUALITY (https://developer.android.com/reference/android/widget/TextView#setBreakStrategy(int))

RN docs also states that highQuality is default.

However, on Fabric, the default is 'simple'. This diff fixes the default to be 'highQuality'

Changelog:
[Android][Fixed] - Set textBreakStrategy default to be 'highQuality'

Reviewed By: JoshuaGross

Differential Revision: D30597085

fbshipit-source-id: 3bd7531afdaf980b342cc461dd449c3d3df12cb0
2021-08-27 00:19:27 -07:00

106 lines
2.8 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <limits>
#include <folly/Hash.h>
#include <react/renderer/attributedstring/primitives.h>
#include <react/renderer/debug/DebugStringConvertible.h>
#include <react/renderer/graphics/Geometry.h>
namespace facebook {
namespace react {
class ParagraphAttributes;
using SharedParagraphAttributes = std::shared_ptr<const ParagraphAttributes>;
/*
* Represents all visual attributes of a paragraph of text.
* Two data structures, ParagraphAttributes and AttributedText, should be
* enough to define visual representation of a piece of text on the screen.
*/
class ParagraphAttributes : public DebugStringConvertible {
public:
#pragma mark - Fields
/*
* Maximum number of lines which paragraph can take.
* Zero value represents "no limit".
*/
int maximumNumberOfLines{};
/*
* In case if a text cannot fit given boundaries, defines a place where
* an ellipsize should be placed.
*/
EllipsizeMode ellipsizeMode{};
/*
* (Android only) Break strategy for breaking paragraphs into lines.
*/
TextBreakStrategy textBreakStrategy{TextBreakStrategy::HighQuality};
/*
* Enables font size adjustment to fit constrained boundaries.
*/
bool adjustsFontSizeToFit{};
/*
* (Android only) Leaves enough room for ascenders and descenders instead of
* using the font ascent and descent strictly.
*/
bool includeFontPadding{true};
/*
* (Android only) Frequency of automatic hyphenation to use when determining
* word breaks.
*/
HyphenationFrequency android_hyphenationFrequency{};
/*
* In case of font size adjustment enabled, defines minimum and maximum
* font sizes.
*/
Float minimumFontSize{std::numeric_limits<Float>::quiet_NaN()};
Float maximumFontSize{std::numeric_limits<Float>::quiet_NaN()};
bool operator==(const ParagraphAttributes &) const;
bool operator!=(const ParagraphAttributes &) const;
#pragma mark - DebugStringConvertible
#if RN_DEBUG_STRING_CONVERTIBLE
SharedDebugStringConvertibleList getDebugProps() const override;
#endif
};
} // namespace react
} // namespace facebook
namespace std {
template <>
struct hash<facebook::react::ParagraphAttributes> {
size_t operator()(
const facebook::react::ParagraphAttributes &attributes) const {
return folly::hash::hash_combine(
0,
attributes.maximumNumberOfLines,
attributes.ellipsizeMode,
attributes.textBreakStrategy,
attributes.adjustsFontSizeToFit,
attributes.minimumFontSize,
attributes.maximumFontSize,
attributes.includeFontPadding,
attributes.android_hyphenationFrequency);
}
};
} // namespace std