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edit/crop: Support vertical mirroring

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This commit is contained in:
Sophie Herold 2024-12-21 21:39:49 +01:00
parent df9589aa9a
commit 5c31272605
6 changed files with 52 additions and 33 deletions
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15
src/editing/preview.rs
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@ -58,8 +58,9 @@ impl OperationsSnapshot {
for operation in operations.operations() {
let operation_result = match operation {
Operation::Clip(rect) => self.clip(*rect),
Operation::Rotate(rotation) => self.rotate(*rotation),
Operation::MirrorHorizontally => self.mirror_horizontally(),
Operation::MirrorVertically => self.mirror_vertically(),
Operation::Rotate(rotation) => self.rotate(*rotation),
unsupported_operation => {
return Err(EditingError::UnsupportedOperation(
unsupported_operation.clone(),
@ -116,6 +117,18 @@ impl OperationsSnapshot {
Ok(())
}
fn mirror_vertically(&mut self) -> Result<(), OperationError> {
let snapshot = gtk::Snapshot::new();
snapshot.translate(&graphene::Point::new(0., self.height as f32 * self.scale));
snapshot.scale(1., -1.);
snapshot.append_node(self.current_node.clone());
self.current_node = snapshot.to_node().ok_or(OperationError::EmptyNode)?;
Ok(())
}
fn rotate(
&mut self,
rotation: gufo_common::orientation::Rotation,