Feature flags of i-slint-core crate // Lib.rs

Cargo Features

[dependencies]
i-slint-core = { version = "1.5.1", default-features = false, features = ["ffi", "libm", "rtti", "std", "unsafe-single-threaded", "unicode", "software-renderer-systemfonts", "software-renderer", "software-renderer-rotation", "image-decoders", "svg", "box-shadow-cache", "shared-fontdb", "fontdb", "serde", "gettext-rs"] }

ffi

Expose C ABI

Affects graphics::ffi, flickable::slint_flickable_data_init, flickable::slint_flickable_data_free, text::slint_textinput_set_selection_offsets, text::slint_textinput_select_all, text::slint_textinput_clear_selection, text::slint_textinput_cut, text::slint_textinput_copy, text::slint_textinput_paste, items::slint_item_absolute_position, window::ffi…

libm

Enables libm of euclid and num-traits

rtti

Allow the viewer to query at runtime information about item types

Affects i-slint-core::rtti…

std default = image-decoders, lyon_algorithms, lyon_extra, lyon_geom, lyon_path, scoped-tls-hkt, svg

Use the standard library

Enables web-time, std of euclid and once_cell

Affects item_rendering::ItemCache, item_rendering::ItemRenderer.draw_path, renderer::RendererSealed.register_font_from_memory, renderer::RendererSealed.register_font_from_path…

unsafe-single-threaded

Unsafe feature meaning that there is only one core running and all thread_local are static.
You can only enable this feature if you are sure that any API of this crate is only called from a single core, and not in a interrupt or signal handler.

unicode default = unicode-linebreak, unicode-script

software-renderer-systemfonts = fontdue, rustybuzz, shared-fontdb, software-renderer

Affects fonts::vectorfont, fonts::systemfonts…

software-renderer software-renderer-systemfonts? = bytemuck

Affects i-slint-core::software_renderer…

software-renderer-rotation

This is under a feature flag because it is experimental feature.

default = std, unicode

These default features are set whenever i-slint-core is added without default-features = false somewhere in the dependency tree.

image-decoders std

Enables clru and image ^0.24.0

Affects image::cache, image::load_image_from_embedded_data…

svg std = shared-fontdb

Enables resvg ^0.40.0

box-shadow-cache

Affects graphics::boxshadowcache…

shared-fontdb software-renderer-systemfonts? svg?

Enables shared-fontdb of i-slint-common

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

lyon_algorithms std

lyon_geom std

lyon_path std

lyon_extra std

scoped-tls-hkt std

unicode-linebreak unicode

unicode-script unicode

bytemuck software-renderer?

fontdb implicit feature