ggplot_rs/render/
mod.rs

1pub mod backend;
2pub mod corner_layout;
3pub mod layout;
4// Self-contained RGBA raster backend for large-N (feature `canvas`); wasm-ok.
5#[cfg(feature = "canvas")]
6pub mod pixel_backend;
7// The plotters backend (PNG/bitmap + SVG via plotters) isn't available on wasm
8// (no bitmap/font-registration API there); the browser uses `svg_backend`.
9#[cfg(all(feature = "plotters", not(target_arch = "wasm32")))]
10pub mod plotters_backend;
11pub mod renderer;
12pub mod svg_backend;
13pub mod text;
14
15/// A rectangle in pixel coordinates.
16#[derive(Clone, Debug)]
17pub struct Rect {
18    pub x: f64,
19    pub y: f64,
20    pub width: f64,
21    pub height: f64,
22}
23
24/// Rendering error type.
25#[derive(Debug)]
26#[non_exhaustive]
27pub enum RenderError {
28    MissingAesthetic(String),
29    BackendError(String),
30    IoError(std::io::Error),
31}
32
33impl std::fmt::Display for RenderError {
34    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
35        match self {
36            RenderError::MissingAesthetic(a) => write!(f, "Missing required aesthetic: {a}"),
37            RenderError::BackendError(e) => write!(f, "Backend error: {e}"),
38            RenderError::IoError(e) => write!(f, "IO error: {e}"),
39        }
40    }
41}
42
43impl std::error::Error for RenderError {}
44
45impl From<std::io::Error> for RenderError {
46    fn from(e: std::io::Error) -> Self {
47        RenderError::IoError(e)
48    }
49}
ggplot_rs/render/mod.rs

ggplot_rs/render/
mod.rs
