105 lines
2.9 KiB
Rust
105 lines
2.9 KiB
Rust
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// Copyright 2022 System76 <info@system76.com>
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// SPDX-License-Identifier: MPL-2.0
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//! Lazily-generated SVG icon widget for Iced.
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mod builder;
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pub use builder::Builder;
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pub mod handle;
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pub use handle::Handle;
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use crate::{Element, Renderer};
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use derive_setters::Setters;
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use iced::widget::{Image, Svg};
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use iced::{ContentFit, Length};
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use std::borrow::Cow;
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use std::path::PathBuf;
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/// Create an [`Icon`] from a pre-existing [`Handle`]
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pub fn icon(handle: Handle) -> Icon {
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Icon {
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content_fit: ContentFit::Fill,
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handle,
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height: None,
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size: 16,
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style: crate::theme::Svg::default(),
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width: None,
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}
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}
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/// Create an [`Icon`] from its path.
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pub fn from_path(path: PathBuf) -> Icon {
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icon(handle::from_path(path))
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}
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/// Create an image [`Icon`] from memory.
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pub fn from_raster_bytes(
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bytes: impl Into<Cow<'static, [u8]>>
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+ std::convert::AsRef<[u8]>
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+ std::marker::Send
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+ std::marker::Sync
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+ 'static,
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) -> Icon {
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icon(handle::from_raster_bytes(bytes))
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}
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/// Create an image [`Icon`] from RGBA data, where you must define the width and height.
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pub fn from_raster_pixels(
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width: u32,
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height: u32,
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pixels: impl Into<Cow<'static, [u8]>>
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+ std::convert::AsRef<[u8]>
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+ std::marker::Send
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+ std::marker::Sync
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+ 'static,
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) -> Icon {
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icon(handle::from_raster_pixels(width, height, pixels))
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}
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/// Create a SVG [`Icon`] from memory.
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pub fn from_svg_bytes(bytes: impl Into<Cow<'static, [u8]>>) -> Icon {
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icon(handle::from_svg_bytes(bytes))
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}
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/// An image which may be an SVG or PNG.
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#[must_use]
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#[derive(Clone, Setters)]
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pub struct Icon {
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#[setters(skip)]
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handle: Handle,
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style: crate::theme::Svg,
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pub(super) size: u16,
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content_fit: ContentFit,
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#[setters(strip_option)]
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width: Option<Length>,
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#[setters(strip_option)]
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height: Option<Length>,
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}
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impl Icon {
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#[must_use]
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fn into_element<Message: 'static>(self) -> Element<'static, Message> {
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match self.handle.variant {
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handle::Variant::Image(handle) => Image::new(handle)
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.width(self.width.unwrap_or(Length::Fixed(f32::from(self.size))))
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.height(self.height.unwrap_or(Length::Fixed(f32::from(self.size))))
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.content_fit(self.content_fit)
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.into(),
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handle::Variant::Svg(handle) => Svg::<Renderer>::new(handle)
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.style(self.style.clone())
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.width(self.width.unwrap_or(Length::Fixed(f32::from(self.size))))
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.height(self.height.unwrap_or(Length::Fixed(f32::from(self.size))))
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.content_fit(self.content_fit)
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.symbolic(self.handle.symbolic)
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.into(),
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}
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}
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}
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impl<Message: 'static> From<Icon> for Element<'static, Message> {
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fn from(icon: Icon) -> Self {
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icon.into_element::<Message>()
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}
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}
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