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Set Transparent Color: map the click through the picture's 3-D camera and find grouped pictures that keep no box of their own

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Marco Arnulfo
2026-10-23 19:16:09 +02:00
parent de18659978
commit b7ea777be7
3 changed files with 89 additions and 11 deletions
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crates/engine/src/cmd/recolor.rs
+4 -2
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@@ -160,7 +160,9 @@ fn picture_pixel_at(s: &Session, p: &Value, at: &Value) -> Result<(ShapeId, Rgba
for id in ids {
let Some((sh, xf, to_slide)) = placed(&st.doc, &st.selection, shapes, id, Affine::IDENTITY, 0) else { continue };
let ShapeKind::Picture { fill } = &sh.kind else { continue };
let local = to_slide.inverse() * Point::new(x, y);
// The camera turns the picture where it is drawn, so the click is mapped back through it too.
let turn = text::ctx_for(&st.doc, &st.selection).and_then(|c| deckcraft_render::camera_turn(&c, sh, xf.w, xf.h)).unwrap_or(Affine::IDENTITY);
let local = (to_slide * turn).inverse() * Point::new(x, y);
if !(local.is_finite() && (0.0..=xf.w).contains(&local.x) && (0.0..=xf.h).contains(&local.y)) {
continue;
}
@@ -203,7 +205,7 @@ fn placed<'a>(
return None;
}
for sh in shapes {
let Some(x) = (if depth == 0 { Some(xfrm_of(doc, sel, sh)) } else { sh.xfrm }) else { continue };
let x = xfrm_of(doc, sel, sh);
if sh.id == id {
return Some((sh, x, to_slide * x.affine()));
}