remove SVG helper struct

Cargo.toml

@@ -8,6 +8,7 @@ repository = "https://github.com/grovesNL/glyphon"
 license = "MIT OR Apache-2.0 OR Zlib"
 
 [features]
+default = ["svg-icons"]
 svg-icons = ["dep:resvg"]
 
 [dependencies]

examples/svg-icons.rs

@@ -1,5 +1,5 @@
 use glyphon::{
-    icon::{IconDesc, IconRenderer, IconSourceID, IconSystem, SvgSource},
+    icon::{IconDesc, IconRenderer, IconSourceID, IconSystem},
     Attrs, Buffer, Cache, Color, Family, FontSystem, Metrics, Resolution, Shaping, SwashCache,
     TextArea, TextAtlas, TextBounds, TextRenderer, Viewport,
 };
@@ -96,14 +96,12 @@ async fn run() {
     // Add SVG sources to the icon system.
     icon_system.add_svg(
         IconSourceID(0),
-        SvgSource::Data(LION_SVG).load(&Default::default()).unwrap(),
+        resvg::usvg::Tree::from_data(LION_SVG, &Default::default()).unwrap(),
         true,
     );
     icon_system.add_svg(
         IconSourceID(1),
-        SvgSource::Data(EAGLE_SVG)
-            .load(&Default::default())
-            .unwrap(),
+        resvg::usvg::Tree::from_data(EAGLE_SVG, &Default::default()).unwrap(),
         false,
     );
 

src/icon.rs

@@ -425,58 +425,3 @@ impl IconSystem {
 fn zero_depth(_: usize) -> f32 {
     0f32
 }
-
-/// A helper struct to load SVG data.
-pub enum SvgSource<'a> {
-    Data(&'a [u8]),
-    String(&'a str),
-    Path(&'a Path),
-}
-
-impl<'a> SvgSource<'a> {
-    /// Load and parse the SVG data.
-    pub fn load(self, opt: &usvg::Options<'_>) -> Result<usvg::Tree, SvgSourceError> {
-        let tree = match self {
-            Self::Data(data) => usvg::Tree::from_data(data, opt)?,
-            Self::String(text) => usvg::Tree::from_str(text, opt)?,
-            Self::Path(path) => {
-                let data = std::fs::read(path)?;
-                usvg::Tree::from_data(&data, opt)?
-            }
-        };
-
-        Ok(tree)
-    }
-}
-
-/// An error that occured while loading and parsing an [`SvgSource`].
-#[derive(Debug)]
-pub enum SvgSourceError {
-    /// An error occured while parsing the SVG data.
-    SvgError(usvg::Error),
-    /// An error occured while loading the SVG file.
-    IoError(std::io::Error),
-}
-
-impl std::error::Error for SvgSourceError {}
-
-impl std::fmt::Display for SvgSourceError {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            Self::SvgError(e) => write!(f, "Could not load svg source: vg error: {}", e),
-            Self::IoError(e) => write!(f, "Could not load svg source: io error: {}", e),
-        }
-    }
-}
-
-impl From<usvg::Error> for SvgSourceError {
-    fn from(e: usvg::Error) -> Self {
-        Self::SvgError(e)
-    }
-}
-
-impl From<std::io::Error> for SvgSourceError {
-    fn from(e: std::io::Error) -> Self {
-        Self::IoError(e)
-    }
-}