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f7a84fbfb8
Rebased onto main as one commit (the branch had merge commits from main). Co-authored-by: Dmitrii Khlapov <19991457+dkhlapov@users.noreply.github.com> Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com> Co-authored-by: Brandon Thomas <echelon@gmail.com>
42 lines
2.3 KiB
Rust
42 lines
2.3 KiB
Rust
//! Format crates registered with the I/O dispatcher.
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use wordcraft_doc::Document;
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/// Open a format other than plain text / JSON.
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pub fn open(ext: &str, bytes: &[u8]) -> Option<Result<Document, String>> {
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match ext {
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"docx" | "docm" | "dotx" | "dotm" => Some(wordcraft_docx::read(bytes).map_err(|e| e.to_string())),
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"doc" | "dot" => Some(wordcraft_docbin::read(bytes).map_err(|e| e.to_string())),
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// Word XML Document (Flat OPC) or Word 2003 XML, told apart by the root element.
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"xml" => Some(wordcraft_docx::read_xml(bytes).map_err(|e| e.to_string())),
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other => wordcraft_formats::import(other, bytes),
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}
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}
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/// Save to a format other than plain text / JSON.
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pub fn save(ext: &str, doc: &Document, opts: &crate::io::ExportOptions) -> Option<Result<Vec<u8>, String>> {
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// .docx/.docm/.dotx/.dotm: the extension picks the package flavour Word expects.
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if let Some(flavor) = wordcraft_docx::Flavor::from_ext(ext) {
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return Some(wordcraft_docx::write_as(doc, flavor).map_err(|e| e.to_string()));
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}
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match ext {
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"xml" => Some(wordcraft_docx::write_flat(doc).map_err(|e| e.to_string())),
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"png" => Some(render_png(doc, 0, 2.0, opts)),
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"pdf" => {
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let pdf = wordcraft_pdf::PdfOptions { include_markup: opts.markup, comments: opts.markup && opts.comments, ..Default::default() };
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Some(wordcraft_pdf::export(doc, &pdf).map_err(|e| e.to_string()))
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}
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other => wordcraft_formats::export_with(other, doc, &wordcraft_formats::ExportOptions { comments: opts.markup && opts.comments }),
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}
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}
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/// Render page `page` as PNG at `scale` px/pt. With Print Markup's comments the page has its
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/// markup area with the comments in balloons (page images always show tracked changes).
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pub fn render_png(doc: &Document, page: usize, scale: f32, opts: &crate::io::ExportOptions) -> Result<Vec<u8>, String> {
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let lo = wordcraft_layout::LayoutOptions { comment_balloons: opts.markup && opts.comments, ..Default::default() };
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let l = wordcraft_layout::layout(doc, &mut wordcraft_layout::LayoutCache::new(), &lo);
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let p = l.pages.get(page).ok_or_else(|| format!("no page {}", page + 1))?;
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let img = wordcraft_render::render_page(doc, p, scale, &Default::default());
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Ok(img.to_png())
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}
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