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author | 2021-10-31 16:24:31 +0700 | |
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committer | 2021-10-31 16:24:31 +0700 | |
commit | 9a3c81f336b8e29c64471026860f3c9d8b56348c (patch) | |
tree | cc95c6212655d908b7d2c2e564b4bcfd28b67167 /native/src/widget/svg.rs | |
parent | c4186a71b746b603984e5fe1926a8cef6e8dcfcb (diff) | |
download | iced-9a3c81f336b8e29c64471026860f3c9d8b56348c.tar.gz iced-9a3c81f336b8e29c64471026860f3c9d8b56348c.tar.bz2 iced-9a3c81f336b8e29c64471026860f3c9d8b56348c.zip |
Introduce first-class `svg` module in `iced_native`
Diffstat (limited to 'native/src/widget/svg.rs')
-rw-r--r-- | native/src/widget/svg.rs | 93 |
1 files changed, 4 insertions, 89 deletions
diff --git a/native/src/widget/svg.rs b/native/src/widget/svg.rs index 785b8054..f212dfcb 100644 --- a/native/src/widget/svg.rs +++ b/native/src/widget/svg.rs @@ -1,11 +1,11 @@ //! Display vector graphics in your application. use crate::layout; use crate::renderer; +use crate::svg::{self, Handle}; use crate::{Element, Hasher, Layout, Length, Point, Rectangle, Size, Widget}; -use std::hash::{Hash, Hasher as _}; +use std::hash::Hash; use std::path::PathBuf; -use std::sync::Arc; /// A vector graphics image. /// @@ -51,7 +51,7 @@ impl Svg { impl<Message, Renderer> Widget<Message, Renderer> for Svg where - Renderer: self::Renderer, + Renderer: svg::Renderer, { fn width(&self) -> Length { self.width @@ -106,94 +106,9 @@ where } } -/// An [`Svg`] handle. -#[derive(Debug, Clone)] -pub struct Handle { - id: u64, - data: Arc<Data>, -} - -impl Handle { - /// Creates an SVG [`Handle`] pointing to the vector image of the given - /// path. - pub fn from_path(path: impl Into<PathBuf>) -> Handle { - Self::from_data(Data::Path(path.into())) - } - - /// Creates an SVG [`Handle`] from raw bytes containing either an SVG string - /// or gzip compressed data. - /// - /// This is useful if you already have your SVG data in-memory, maybe - /// because you downloaded or generated it procedurally. - pub fn from_memory(bytes: impl Into<Vec<u8>>) -> Handle { - Self::from_data(Data::Bytes(bytes.into())) - } - - fn from_data(data: Data) -> Handle { - let mut hasher = Hasher::default(); - data.hash(&mut hasher); - - Handle { - id: hasher.finish(), - data: Arc::new(data), - } - } - - /// Returns the unique identifier of the [`Handle`]. - pub fn id(&self) -> u64 { - self.id - } - - /// Returns a reference to the SVG [`Data`]. - pub fn data(&self) -> &Data { - &self.data - } -} - -impl Hash for Handle { - fn hash<H: std::hash::Hasher>(&self, state: &mut H) { - self.id.hash(state); - } -} - -/// The data of an [`Svg`]. -#[derive(Clone, Hash)] -pub enum Data { - /// File data - Path(PathBuf), - - /// In-memory data - /// - /// Can contain an SVG string or a gzip compressed data. - Bytes(Vec<u8>), -} - -impl std::fmt::Debug for Data { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - match self { - Data::Path(path) => write!(f, "Path({:?})", path), - Data::Bytes(_) => write!(f, "Bytes(...)"), - } - } -} - -/// The renderer of an [`Svg`]. -/// -/// Your [renderer] will need to implement this trait before being able to use -/// an [`Svg`] in your user interface. -/// -/// [renderer]: crate::renderer -pub trait Renderer: crate::Renderer { - /// Returns the default dimensions of an [`Svg`] for the given [`Handle`]. - fn dimensions(&self, handle: &Handle) -> (u32, u32); - - // Draws an [`Svg`]. - fn draw(&mut self, handle: Handle, bounds: Rectangle); -} - impl<'a, Message, Renderer> From<Svg> for Element<'a, Message, Renderer> where - Renderer: self::Renderer, + Renderer: svg::Renderer, { fn from(icon: Svg) -> Element<'a, Message, Renderer> { Element::new(icon) |