ggplot_rs/render/
mod.rs

1pub mod backend;
2pub mod corner_layout;
3pub mod layout;
4pub(crate) mod offset;
5pub(crate) mod probe;
6#[cfg(feature = "png")]
7pub(crate) mod raster;
8// Self-contained RGBA raster backend for large-N (feature `canvas`); wasm-ok.
9#[cfg(feature = "canvas")]
10pub mod pixel_backend;
11// The plotters backend (PNG/bitmap + SVG via plotters) isn't available on wasm
12// (no bitmap/font-registration API there); the browser uses `svg_backend`.
13#[cfg(all(feature = "plotters", not(target_arch = "wasm32")))]
14pub mod plotters_backend;
15pub mod renderer;
16pub mod svg_backend;
17pub mod text;
18
19/// A rectangle in pixel coordinates.
20#[derive(Clone, Debug)]
21pub struct Rect {
22    pub x: f64,
23    pub y: f64,
24    pub width: f64,
25    pub height: f64,
26}
27
28/// Rendering error type.
29#[derive(Debug)]
30#[non_exhaustive]
31pub enum RenderError {
32    MissingAesthetic(String),
33    BackendError(String),
34    IoError(std::io::Error),
35}
36
37impl std::fmt::Display for RenderError {
38    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
39        match self {
40            RenderError::MissingAesthetic(a) => write!(f, "Missing required aesthetic: {a}"),
41            RenderError::BackendError(e) => write!(f, "Backend error: {e}"),
42            RenderError::IoError(e) => write!(f, "IO error: {e}"),
43        }
44    }
45}
46
47impl std::error::Error for RenderError {}
48
49impl From<std::io::Error> for RenderError {
50    fn from(e: std::io::Error) -> Self {
51        RenderError::IoError(e)
52    }
53}
ggplot_rs/render/mod.rs

ggplot_rs/render/
mod.rs
