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fix interaction with a fresh raster layer

This commit is contained in:
Skyler Lehmkuhl 2026-03-02 08:07:45 -05:00
parent 19617e4223
commit 6f1a706dd2
1 changed files with 12 additions and 2 deletions
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14
lightningbeam-ui/lightningbeam-editor/src/main.rs
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@ -1417,7 +1417,8 @@ impl EditorApp {
5 => { 5 => {
// Painting focus -> RasterLayer // Painting focus -> RasterLayer
use lightningbeam_core::raster_layer::RasterLayer; use lightningbeam_core::raster_layer::RasterLayer;
let layer = RasterLayer::new("Raster 1"); let mut layer = RasterLayer::new("Raster 1");
layer.ensure_keyframe_at(self.playback_time, document.width as u32, document.height as u32);
document.root.add_child(AnyLayer::Raster(layer)) document.root.add_child(AnyLayer::Raster(layer))
} }
_ => { _ => {
@ -1924,6 +1925,11 @@ impl EditorApp {
let Some(AnyLayer::Raster(rl)) = document.get_layer_mut(&float.layer_id) else { return }; let Some(AnyLayer::Raster(rl)) = document.get_layer_mut(&float.layer_id) else { return };
let Some(kf) = rl.keyframe_at_mut(float.time) else { return }; let Some(kf) = rl.keyframe_at_mut(float.time) else { return };
// Ensure the canvas is allocated (empty Vec = blank transparent canvas).
let expected = (kf.width * kf.height * 4) as usize;
if kf.raw_pixels.len() != expected {
kf.raw_pixels.resize(expected, 0);
}
Self::composite_over( Self::composite_over(
&mut kf.raw_pixels, kf.width, kf.height, &mut kf.raw_pixels, kf.width, kf.height,
&float.pixels, float.width, float.height, &float.pixels, float.width, float.height,
@ -3092,7 +3098,11 @@ impl EditorApp {
let layer_number = context_layers.len() + 1; let layer_number = context_layers.len() + 1;
let layer_name = format!("Raster {}", layer_number); let layer_name = format!("Raster {}", layer_number);
let layer = RasterLayer::new(layer_name); let doc = self.action_executor.document();
let (doc_w, doc_h) = (doc.width as u32, doc.height as u32);
drop(doc);
let mut layer = RasterLayer::new(layer_name);
layer.ensure_keyframe_at(self.playback_time, doc_w, doc_h);
let action = lightningbeam_core::actions::AddLayerAction::new(AnyLayer::Raster(layer)) let action = lightningbeam_core::actions::AddLayerAction::new(AnyLayer::Raster(layer))
.with_target_clip(editing_clip_id); .with_target_clip(editing_clip_id);
let _ = self.action_executor.execute(Box::new(action)); let _ = self.action_executor.execute(Box::new(action));