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| 1 | +use fontdb::Database; |
| 2 | +use fontkit::FontKey; |
| 3 | +#[cfg(not(target_arch = "wasm32"))] |
| 4 | +use napi::bindgen_prelude::{Buffer, Either, Error as NapiError}; |
| 5 | +#[cfg(not(target_arch = "wasm32"))] |
| 6 | +use napi_derive::napi; |
| 7 | +use ouroboros::self_referencing; |
| 8 | +use roxmltree::Document; |
| 9 | + |
| 10 | +use crate::options::JsOptions; |
| 11 | + |
| 12 | +#[cfg_attr(target_arch = "wasm32", wasm_bindgen)] |
| 13 | +#[cfg_attr(not(target_arch = "wasm32"), napi)] |
| 14 | +#[ouroboros::self_referencing] |
| 15 | +pub struct ResvgBuilder { |
| 16 | + font_db: fontdb::Database, |
| 17 | + js_options: JsOptions, |
| 18 | + data: String, |
| 19 | + #[borrows(data)] |
| 20 | + #[covariant] |
| 21 | + doc: Document<'this>, |
| 22 | +} |
| 23 | + |
| 24 | +#[napi(js_name = "FontKey")] |
| 25 | +pub struct FontKeyWrapper(FontKey); |
| 26 | + |
| 27 | +#[cfg(not(target_arch = "wasm32"))] |
| 28 | +#[napi] |
| 29 | +impl ResvgBuilder { |
| 30 | + #[napi(constructor)] |
| 31 | + pub fn new_napi( |
| 32 | + svg: Either<String, Buffer>, |
| 33 | + options: Option<String>, |
| 34 | + ) -> Result<ResvgBuilder, NapiError> { |
| 35 | + let js_options: JsOptions = options |
| 36 | + .and_then(|o| serde_json::from_str(o.as_str()).ok()) |
| 37 | + .unwrap_or_default(); |
| 38 | + let _ = env_logger::builder() |
| 39 | + .filter_level(js_options.log_level) |
| 40 | + .try_init(); |
| 41 | + let mut opts = js_options.to_usvg_options(); |
| 42 | + crate::options::tweak_usvg_options(&mut opts); |
| 43 | + let data = match svg { |
| 44 | + Either::A(a) => a, |
| 45 | + Either::B(b) => std::str::from_utf8(b.as_ref()) |
| 46 | + .map_err(|e| napi::Error::from_reason(format!("{}", e)))? |
| 47 | + .to_string(), |
| 48 | + }; |
| 49 | + ResvgBuilderTryBuilder { |
| 50 | + font_db: Database::new(), |
| 51 | + js_options, |
| 52 | + data, |
| 53 | + doc_builder: |input| Document::parse(input), |
| 54 | + } |
| 55 | + .try_build() |
| 56 | + .map_err(|e| napi::Error::from_reason(format!("{}", e))) |
| 57 | + } |
| 58 | + |
| 59 | + #[napi] |
| 60 | + pub fn texts_to_resolve(&self) -> Vec<FontKeyWrapper> { |
| 61 | + vec![] |
| 62 | + } |
| 63 | + |
| 64 | + // fn new_inner( |
| 65 | + // svg: &Either<String, Buffer>, |
| 66 | + // options: Option<String>, |
| 67 | + // ) -> Result<Resvg, NapiError> { |
| 68 | + // let opts_ref = opts.to_ref(); |
| 69 | + // // Parse the SVG string into a tree. |
| 70 | + // let tree = match svg { |
| 71 | + // Either::A(a) => usvg::Tree::from_str(a.as_str(), &opts_ref), |
| 72 | + // Either::B(b) => usvg::Tree::from_data(b.as_ref(), &opts_ref), |
| 73 | + // } |
| 74 | + // .map_err(|e| napi::Error::from_reason(format!("{}", e)))?; |
| 75 | + // Ok(Resvg { tree, js_options }) |
| 76 | + // } |
| 77 | +} |
| 78 | + |
| 79 | +#[cfg(target_arch = "wasm32")] |
| 80 | +#[wasm_bindgen] |
| 81 | +impl ResvgBuilder { |
| 82 | + #[wasm_bindgen(constructor)] |
| 83 | + pub fn new(svg: IStringOrBuffer, options: Option<String>) -> Result<Resvg, js_sys::Error> { |
| 84 | + let js_options: JsOptions = options |
| 85 | + .and_then(|o| serde_json::from_str(o.as_str()).ok()) |
| 86 | + .unwrap_or_default(); |
| 87 | + |
| 88 | + let mut opts = js_options.to_usvg_options(); |
| 89 | + options::tweak_usvg_options(&mut opts); |
| 90 | + let opts_ref = opts.to_ref(); |
| 91 | + let tree = if js_sys::Uint8Array::instanceof(&svg) { |
| 92 | + let uintarray = js_sys::Uint8Array::unchecked_from_js_ref(&svg); |
| 93 | + let svg_buffer = uintarray.to_vec(); |
| 94 | + usvg::Tree::from_data(&svg_buffer, &opts_ref).map_err(Error::from) |
| 95 | + } else if let Some(s) = svg.as_string() { |
| 96 | + usvg::Tree::from_str(s.as_str(), &opts_ref).map_err(Error::from) |
| 97 | + } else { |
| 98 | + Err(Error::InvalidInput) |
| 99 | + }?; |
| 100 | + Ok(Resvg { tree, js_options }) |
| 101 | + } |
| 102 | +} |
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