SALabel

SALabel is a high-performance rich text rendering library for iOS that provides native HTML parsing and complex content display capabilities.

Features

• Native HTML Rich Text Parsing: Efficiently parse and render HTML content with full styling support
• Complex Content Support:
  • Tables rendering with customizable layouts
  • Image display with automatic sizing and caching
  • LaTeX formula rendering with MathML support
  • Custom content embedding capabilities
• Text Interaction:
  • Text selection and copying
  • Link detection and handling
  • Custom touch area configuration
• High Performance:
  • Efficient text rendering using Core Text
  • Optimized image loading and caching
  • Smooth scrolling and interaction
• Customization:
  • Text alignment and line break modes
  • Font and color styling
  • Background and stroke customization
  • Link appearance configuration

Requirements

• iOS 13.0+
• Xcode 12.0+

Installation

CocoaPods

pod 'SALabel'

Basic Usage

#import "SALabel.h"

// Create and configure SALabel
SALabel *label = [[SALabel alloc] initWithFrame:frame];

// Set attributed text with styling
NSAttributedString *attributedString = [[NSAttributedString alloc] initWithString:@"Your text"];
label.attributedText = attributedString;

// Configure text properties
label.textAlignment = RTTextAlignmentLeft;
label.lineBreakMode = RTTextLineBreakModeWordWrapping;

// Add to view hierarchy
[self.view addSubview:label];

Advanced Features

LaTeX Formula Rendering

SALabel supports rendering LaTeX formulas using the integrated Math rendering engine:

// LaTeX formula example
NSString *formula = @"\\[E = mc^2\\]";
RTLabelComponentsStructure *components = [SALabel extractTextStyle:tableHTML];
[label setComponentsAndPlainText:components];

Table Support

// HTML table example
NSString *tableHTML = @"<table><tr><td>Cell 1</td><td>Cell 2</td></tr></table>";
RTLabelComponentsStructure *components = [SALabel extractTextStyle:tableHTML];
[label setComponentsAndPlainText:components];

Image Handling

License

SALabel is available under the MIT license. See the LICENSE file for more info.

Author

Sarfuter Zhang sarfuter@gmail.com

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.