69 lines
2.7 KiB
Rust
69 lines
2.7 KiB
Rust
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// Regression for #385: text and dimension text must reach the PDF / print
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// export. From v0.8.2 text renders on-screen only as GPU SDF glyph quads
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// (`WireModel::text_verts`); the CPU PDF exporter used to draw only wire
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// stroke `points`, so all text — standalone TEXT/MTEXT and dimension text —
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// vanished from exported PDFs (present in v0.7.6). This drives the real
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// entity -> scene.entity_wires() -> export_pdf path and asserts text is
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// carried to the exporter and lands in the file.
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use acadrust::entities::{Dimension, DimensionLinear, Text};
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use acadrust::types::Vector3;
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use acadrust::EntityType;
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use OpenCADStudio::io::pdf_export::export_pdf;
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use OpenCADStudio::scene::Scene;
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#[test]
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fn text_and_dim_reach_pdf_export() {
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let mut scene = Scene::new();
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// A standalone TEXT entity.
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let t = Text::with_value("HELLO", Vector3::new(10.0, 10.0, 0.0)).with_height(5.0);
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scene.add_entity(EntityType::Text(t));
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// A linear dimension — its measurement value is synthesized as SDF text
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// too, so it exercises the dimension-text path the reporters called out.
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let dim = DimensionLinear::new(
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Vector3::new(0.0, 0.0, 0.0),
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Vector3::new(40.0, 0.0, 0.0),
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);
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scene.add_entity(EntityType::Dimension(Dimension::Linear(dim)));
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let wires = scene.entity_wires();
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// The regression symptom was that text produced no exportable geometry.
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// It must now ride the export wire set as SDF glyph quads.
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let text_wires = wires.iter().filter(|w| !w.text_verts.is_empty()).count();
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assert!(
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text_wires > 0,
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"no text_verts on the export wire set — text/dim text would be missing from the PDF"
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);
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// End-to-end: exporting with the text present must produce a valid PDF that
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// is larger than the same wire set with the text stripped — i.e. the glyph
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// geometry actually reaches the file.
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let dir = std::env::temp_dir();
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let p_text = dir.join("ocs_385_with_text.pdf");
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export_pdf(&wires, &[], &[], 210.0, 297.0, 0.0, 0.0, 0, 1.0, None, &p_text, None)
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.expect("export with text");
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let with_text = std::fs::read(&p_text).expect("read pdf");
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assert!(with_text.starts_with(b"%PDF"), "not a PDF");
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let stripped: Vec<_> = wires
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.iter()
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.cloned()
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.map(|mut w| {
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w.text_verts.clear();
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w
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})
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.collect();
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let p_bare = dir.join("ocs_385_no_text.pdf");
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export_pdf(&stripped, &[], &[], 210.0, 297.0, 0.0, 0.0, 0, 1.0, None, &p_bare, None)
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.expect("export without text");
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let no_text = std::fs::read(&p_bare).expect("read pdf");
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assert!(
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with_text.len() > no_text.len(),
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"text added no content to the PDF: {} !> {}",
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with_text.len(),
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no_text.len()
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);
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}
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