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Valentin KleinandClaude Opus 5.5
71706f8e6a
For every justification but baseline-left (and aligned/fit) the DXF Reference makes group 11 the point the text is placed by; group 10 is a computed point on the baseline. Left-justified text with a vertical alignment was drawn, measured and picked from group 10 and then shifted by the alignment again: TL and ML too low, BL too high. The renderer (fonts::place) and text extents (doc text_box, used for picking) now place it from the alignment point; a mirrored (extrusion 0,0,-1) TL/ML/BL text keeps its alignment point when it turns right-justified; and the Properties position moves justified text by its alignment point. Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
18 lines
859 B
Rust
18 lines
859 B
Rust
//! Properties moves justified TEXT by its alignment point: a TL text (placed by its alignment
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//! point, #342) lands where its new position says.
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use cadcraft_engine::Session;
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use cadcraft_engine::doc::{EntityKind, entity_bounds};
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use serde_json::json;
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#[test]
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fn moving_top_left_text_through_properties_moves_it() {
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let mut s = Session::new();
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let r = s.execute("text", &json!({ "at": [5, 5], "text": "TL", "height": 1, "justify": "TL" })).unwrap();
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let h = r["handle"].as_str().unwrap().to_string();
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s.execute("properties.set", &json!({ "handles": [h], "position": [20, 20] })).unwrap();
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let d = s.doc().unwrap();
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let b = d.model.iter().find_map(|e| matches!(e.kind, EntityKind::Text(_)).then(|| entity_bounds(d, e, 0))).unwrap();
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assert!((b.max.y - 20.0).abs() < 1e-9 && (b.min.x - 20.0).abs() < 1e-9, "moved text {b:?}");
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}
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