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Legacy .ai export: a long transparent image is flattened whole

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Saving a legacy .ai of version 7 flattens each transparent image at its own
resolution, limited only by total pixels. The renderer draws at most 32,768
pixels a side, so an image that came out longer than that at its resolution
was cut off and placed as if whole: the part past that length showed the art
under it without the image. The resolution is now lowered until the longest
side fits.
This commit is contained in:
dotCooCoo
2026-11-11 03:22:06 -08:00
parent 6864cc0944
commit ea0dd5fda5
2 changed files with 28 additions and 1 deletions
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crates/engine/src/cmd/fileio/legacy_ai.rs
+3 -1
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@@ -270,7 +270,9 @@ fn flattened(src: &Document, at: usize, id: NodeId) -> Result<Option<Flat>> {
let pt = im.xf.determinant().abs().sqrt();
let ppi = if pt.is_finite() && pt > 0.0 { (72.0 / pt).clamp(MIN_PPI, MAX_PPI) } else { MIN_PPI };
let area = (bounds.width() * bounds.height()).max(1.0);
let scale = (ppi / 72.0).min((super::super::menucmds::MAX_PIXELS / area).sqrt());
// No side longer than the renderer draws (rounded up to whole pixels below).
let longest = (f64::from(vectorcraft_render::MAX_RASTER_SIDE) - 2.0) / bounds.width().max(bounds.height()).max(1.0);
let scale = (ppi / 72.0).min((super::super::menucmds::MAX_PIXELS / area).sqrt()).min(longest);
if !(scale.is_finite() && scale > 0.0) {
return Ok(None);
}