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Implemented paint worklet properties.

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This commit is contained in:
Alan Jeffrey 2017-06-14 18:14:54 -05:00
parent de331c6bc8
commit ef033b8362
29 changed files with 353 additions and 118 deletions
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17
components/layout/display_list_builder.rs
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@ -1165,17 +1165,24 @@ impl FragmentDisplayListBuilding for Fragment {
let size = unbordered_box.size.to_physical(style.writing_mode);
let name = paint_worklet.name.clone();
// If the script thread has not added any paint worklet modules, there is nothing to do!
let executor = match state.layout_context.paint_worklet_executor {
Some(ref executor) => executor,
None => return debug!("Worklet {} called before any paint modules are added.", name),
// Get the painter, and the computed values for its properties.
let (properties, painter) = match state.layout_context.registered_painters.read().get(&name) {
Some(registered_painter) => (
registered_painter.properties
.iter()
.filter_map(|(name, id)| id.as_shorthand().err().map(|id| (name, id)))
.map(|(name, id)| (name.clone(), style.computed_value_to_string(id)))
.collect(),
registered_painter.painter.clone()
),
None => return debug!("Worklet {} called before registration.", name),
};
// TODO: add a one-place cache to avoid drawing the paint image every time.
// https://github.com/servo/servo/issues/17369
debug!("Drawing a paint image {}({},{}).", name, size.width.to_px(), size.height.to_px());
let (sender, receiver) = ipc::channel().unwrap();
executor.draw_a_paint_image(name, size, sender);
painter.draw_a_paint_image(size, properties, sender);
// TODO: timeout
let webrender_image = match receiver.recv() {