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Add support for folder bounding boxes (#276)

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This commit is contained in:
Simon Desloges
2021-07-16 10:34:04 -04:00
committed by Keavon Chambers
parent 59b817301d
commit 783b7801e6
3 changed files with 48 additions and 8 deletions
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19
core/document/src/document.rs
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@@ -141,7 +141,7 @@ impl Document {
}
/// Returns a reference to the layer or folder at the path. Does not return an error for root
pub fn document_layer(&mut self, path: &[LayerId]) -> Result<&Layer, DocumentError> {
pub fn document_layer(&self, path: &[LayerId]) -> Result<&Layer, DocumentError> {
if path.is_empty() {
return Ok(&self.root);
}
@@ -227,13 +227,20 @@ impl Document {
Ok(())
}
pub fn layer_axis_aligned_bounding_box(&self, path: &[LayerId]) -> Result<[DVec2; 2], DocumentError> {
let layer = self.layer(path)?;
Ok(layer.bounding_box(self.root.transform * layer.transform, layer.style))
pub fn layer_axis_aligned_bounding_box(&self, path: &[LayerId]) -> Result<Option<[DVec2; 2]>, DocumentError> {
// TODO: Replace with functions of the transform api
if let &[] = path {
// Special case for root. Root's local is the documents global, so we avoid transforming its transform by itself.
self.layer_local_bounding_box(path)
} else {
let layer = self.document_layer(path)?;
Ok(layer.bounding_box(self.root.transform * layer.transform, layer.style))
}
}
pub fn layer_local_bounding_box(&self, path: &[LayerId]) -> Result<[DVec2; 2], DocumentError> {
let layer = self.layer(path)?;
pub fn layer_local_bounding_box(&self, path: &[LayerId]) -> Result<Option<[DVec2; 2]>, DocumentError> {
// TODO: Replace with functions of the transform api
let layer = self.document_layer(path)?;
Ok(layer.bounding_box(layer.transform, layer.style))
}