Text fidelity
Fission text is part of the typed rendering model. Text widgets can carry content, style, paragraph behavior, semantic labels, semantic identifiers, and selectable text configuration.
Feature | API surface |
|---|---|
Translation keys | TextContent::Key, TextContent::KeyWithFallback |
Font size and weight | Text::size, Text::weight, TextRunStyle::font_size, font_weight |
Font family | Generated typography tokens and packaged fonts |
Locale | TextRunStyle::locale, Env::locale |
Paragraph behavior | TextParagraphStyle, align, overflow, direction, width basis, height behavior |
Rich text | RichText, RichTextRun, TextRunStyle |
Selection/context menu | Selectable text options and context menu configuration where enabled |
Use i18n keys for reusable widgets and tokenized typography for production UI.
Fission
A cross-platform, GPU-accelerated user interface framework for Rust. MIT licensed.
Copyright (c) 2026 Fission
Ready to use today. Widget APIs are expected to remain stable; some runtime and shell APIs may change before 1.0.0.
Fission 0.9.2