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Valentin KleinandClaude Opus 5.5
dd8764a7b5
wblock {name, base} ignored base and always measured from the block's
own base point. base (in block coordinates) now overrides it, the way
it already worked for selected objects. In both modes the base point
becomes the written drawing's origin, and $INSBASE is 0,0,0.
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
46 lines
2.0 KiB
Rust
46 lines
2.0 KiB
Rust
//! WBLOCK writes the drawing with its base point at the origin (INSBASE 0,0,0), for selected
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//! objects and for a block, where `base` overrides the block's own base point.
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use cadcraft_engine::Session;
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use cadcraft_engine::cmd::file::{IoHooks, set_io};
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use cadcraft_engine::doc::{Drawing, EntityKind};
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use serde_json::json;
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/// Writes "INSBASE x,y;line ax,ay" for each line, so the test can read the written geometry.
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fn write(d: &Drawing, _path: &str) -> Result<Vec<u8>, String> {
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let ins = d.header.point("INSBASE").ok_or("no INSBASE")?;
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let mut out = format!("{},{}", ins.x, ins.y);
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for e in d.model.iter() {
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if let EntityKind::Line(l) = &e.kind {
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out.push_str(&format!(";{},{}", l.a.x, l.a.y));
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}
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}
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Ok(out.into_bytes())
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}
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fn written(s: &mut Session, p: serde_json::Value) -> String {
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let path = std::env::temp_dir().join(format!("cadcraft-wblock-base-{}.dxf", std::process::id()));
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let mut p = p;
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p["path"] = json!(path.to_string_lossy());
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s.execute("wblock", &p).unwrap();
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let text = std::fs::read_to_string(&path).unwrap();
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let _ = std::fs::remove_file(&path);
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text
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}
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#[test]
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fn wblock_honours_the_base_point() {
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set_io(IoHooks { read: |_, _| Err("no reader in this test".into()), write, plot: None });
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let mut s = Session::new();
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let h = s.execute("line", &json!({ "points": [[10, 20], [15, 20]] })).unwrap()["handles"][0].as_str().unwrap().to_string();
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// Objects: the base point moves to the origin.
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assert_eq!(written(&mut s, json!({ "handles": [h], "base": [10, 5] })), "0,0;0,15");
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assert_eq!(written(&mut s, json!({ "handles": [h] })), "0,0;10,20");
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// A block: its base point by default, `base` (block coordinates) when given.
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s.execute("block", &json!({ "name": "Part", "base": [4, 4], "handles": [h], "keep": "delete" })).unwrap();
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assert_eq!(written(&mut s, json!({ "name": "Part" })), "0,0;6,16");
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assert_eq!(written(&mut s, json!({ "name": "Part", "base": [10, 20] })), "0,0;0,0");
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}
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