wip hui-loaders

Cargo.toml

@@ -8,5 +8,6 @@ members = [
   "hui-painter",
   "hui-shared",
   "hui-wgpu",
-  "hui-winit"
+  "hui-winit",
+  "hui-loaders",
 ]

hui-loaders/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "hui-loaders"
+description = "Image loader providers for hUI-painter"
+repository = "https://github.com/griffi-gh/hui"
+readme = "../README.md"
+authors = ["griffi-gh <prasol258@gmail.com>"]
+rust-version = "1.85"
+version = "0.1.0-alpha.7"
+edition = "2024"
+license = "GPL-3.0-or-later"
+publish = true
+include = [
+  "src/**/*.rs",
+  "Cargo.toml",
+]
+
+[dependencies]
+hui-painter = { version = "=0.1.0-alpha.7", path = "../hui-painter", default-features = false }
+image = { version = "0.25", default-features = false, optional = true }
+
+[features]
+default = ["loader-file", "loader-image", "image-default-formats"]
+# hui-painter = ["dep:hui-painter"]
+loader-file = []
+loader-image = ["dep:image"]
+image-default-formats = ["loader-image", "image/default-formats"]

hui-loaders/src/lib.rs

@@ -0,0 +1,43 @@
+use hui_painter::texture::{SourceTextureFormat, TextureAtlas, TextureHandle};
+
+pub mod loaders {
+  #[cfg(feature = "loader-file")]
+  mod file;
+  #[cfg(feature = "loader-file")]
+  pub use file::FileLoader;
+
+  #[cfg(feature = "loader-image")]
+  mod image;
+  #[cfg(feature = "loader-image")]
+  pub use image::ImageLoader;
+}
+
+pub trait RawDataLoader {
+  /// Syncronously load the raw data from the source
+  fn load(&self) -> Vec<u8>;
+}
+
+pub struct TextureData {
+  /// Texture data in the RGBA8 format
+  pub data: Vec<u8>,
+
+  /// Texture width in pixel
+  pub width: usize,
+}
+
+pub trait TextureLoader {
+  /// Syncronously load the texture data
+  fn load(&self) -> TextureData;
+}
+
+pub trait AtlasLoadersExt {
+  fn add_with_loader(&mut self, loader: impl TextureLoader) -> TextureHandle;
+}
+
+impl AtlasLoadersExt for TextureAtlas {
+  fn add_with_loader(&mut self, loader: impl TextureLoader) -> TextureHandle {
+    let data = loader.load();
+    self.add_with_data(SourceTextureFormat::RGBA8, &data.data, data.width)
+  }
+}
+

hui-loaders/src/loaders/file.rs

@@ -0,0 +1,3 @@
+pub struct FileLoader {
+
+}

hui-loaders/src/loaders/image.rs

@@ -0,0 +1,16 @@
+use crate::{RawDataLoader, TextureData, TextureLoader};
+
+pub struct ImageLoader<T: RawDataLoader>(pub T);
+
+impl<T: RawDataLoader> From<T> for ImageLoader<T> {
+  fn from(loader: T) -> Self {
+    Self(loader)
+  }
+}
+
+impl<T: RawDataLoader> TextureLoader for ImageLoader<T> {
+  fn load(&self) -> TextureData {
+    let data = self.0.load();
+    todo!()
+  }
+}