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authorLibravatar Héctor Ramón Jiménez <hector0193@gmail.com>2023-03-04 05:37:11 +0100
committerLibravatar Héctor Ramón Jiménez <hector0193@gmail.com>2023-03-04 05:37:11 +0100
commit3a0d34c0240f4421737a6a08761f99d6f8140d02 (patch)
treec9a4a6b8e9c1db1b8fcd05bc98e3f131d5ef4bd5 /native/src/image.rs
parentc54409d1711e1f615c7ea4b02c082954e340632a (diff)
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Create `iced_widget` subcrate and re-organize the whole codebase
Diffstat (limited to 'native/src/image.rs')
-rw-r--r--native/src/image.rs174
1 files changed, 0 insertions, 174 deletions
diff --git a/native/src/image.rs b/native/src/image.rs
deleted file mode 100644
index 70fbade0..00000000
--- a/native/src/image.rs
+++ /dev/null
@@ -1,174 +0,0 @@
-//! Load and draw raster graphics.
-use crate::{Hasher, Rectangle, Size};
-
-use std::hash::{Hash, Hasher as _};
-use std::path::PathBuf;
-use std::sync::Arc;
-
-/// A handle of some image data.
-#[derive(Debug, Clone)]
-pub struct Handle {
- id: u64,
- data: Data,
-}
-
-impl Handle {
- /// Creates an image [`Handle`] pointing to the image of the given path.
- ///
- /// Makes an educated guess about the image format by examining the data in the file.
- pub fn from_path<T: Into<PathBuf>>(path: T) -> Handle {
- Self::from_data(Data::Path(path.into()))
- }
-
- /// Creates an image [`Handle`] containing the image pixels directly. This
- /// function expects the input data to be provided as a `Vec<u8>` of RGBA
- /// pixels.
- ///
- /// This is useful if you have already decoded your image.
- pub fn from_pixels(
- width: u32,
- height: u32,
- pixels: impl AsRef<[u8]> + Send + Sync + 'static,
- ) -> Handle {
- Self::from_data(Data::Rgba {
- width,
- height,
- pixels: Bytes::new(pixels),
- })
- }
-
- /// Creates an image [`Handle`] containing the image data directly.
- ///
- /// Makes an educated guess about the image format by examining the given data.
- ///
- /// This is useful if you already have your image loaded in-memory, maybe
- /// because you downloaded or generated it procedurally.
- pub fn from_memory(
- bytes: impl AsRef<[u8]> + Send + Sync + 'static,
- ) -> Handle {
- Self::from_data(Data::Bytes(Bytes::new(bytes)))
- }
-
- fn from_data(data: Data) -> Handle {
- let mut hasher = Hasher::default();
- data.hash(&mut hasher);
-
- Handle {
- id: hasher.finish(),
- data,
- }
- }
-
- /// Returns the unique identifier of the [`Handle`].
- pub fn id(&self) -> u64 {
- self.id
- }
-
- /// Returns a reference to the image [`Data`].
- pub fn data(&self) -> &Data {
- &self.data
- }
-}
-
-impl<T> From<T> for Handle
-where
- T: Into<PathBuf>,
-{
- fn from(path: T) -> Handle {
- Handle::from_path(path.into())
- }
-}
-
-impl Hash for Handle {
- fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
- self.id.hash(state);
- }
-}
-
-/// A wrapper around raw image data.
-///
-/// It behaves like a `&[u8]`.
-#[derive(Clone)]
-pub struct Bytes(Arc<dyn AsRef<[u8]> + Send + Sync + 'static>);
-
-impl Bytes {
- /// Creates new [`Bytes`] around `data`.
- pub fn new(data: impl AsRef<[u8]> + Send + Sync + 'static) -> Self {
- Self(Arc::new(data))
- }
-}
-
-impl std::fmt::Debug for Bytes {
- fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
- self.0.as_ref().as_ref().fmt(f)
- }
-}
-
-impl std::hash::Hash for Bytes {
- fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
- self.0.as_ref().as_ref().hash(state);
- }
-}
-
-impl AsRef<[u8]> for Bytes {
- fn as_ref(&self) -> &[u8] {
- self.0.as_ref().as_ref()
- }
-}
-
-impl std::ops::Deref for Bytes {
- type Target = [u8];
-
- fn deref(&self) -> &[u8] {
- self.0.as_ref().as_ref()
- }
-}
-
-/// The data of a raster image.
-#[derive(Clone, Hash)]
-pub enum Data {
- /// File data
- Path(PathBuf),
-
- /// In-memory data
- Bytes(Bytes),
-
- /// Decoded image pixels in RGBA format.
- Rgba {
- /// The width of the image.
- width: u32,
- /// The height of the image.
- height: u32,
- /// The pixels.
- pixels: Bytes,
- },
-}
-
-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(...)"),
- Data::Rgba { width, height, .. } => {
- write!(f, "Pixels({width} * {height})")
- }
- }
- }
-}
-
-/// A [`Renderer`] that can render raster graphics.
-///
-/// [renderer]: crate::renderer
-pub trait Renderer: crate::Renderer {
- /// The image Handle to be displayed. Iced exposes its own default implementation of a [`Handle`]
- ///
- /// [`Handle`]: Self::Handle
- type Handle: Clone + Hash;
-
- /// Returns the dimensions of an image for the given [`Handle`].
- fn dimensions(&self, handle: &Self::Handle) -> Size<u32>;
-
- /// Draws an image with the given [`Handle`] and inside the provided
- /// `bounds`.
- fn draw(&mut self, handle: Self::Handle, bounds: Rectangle);
-}