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Add support for clip on Path elements

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This allows clipping the viewbox conveniently.
This commit is contained in:
Simon Hausmann 2021-05-21 09:11:19 +02:00 • committed by Simon Hausmann
parent 7de783bbe1
commit cc9d5e09f0
7 changed files with 131 additions and 11 deletions
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13
sixtyfps_runtime/corelib/items.rs
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@ -776,6 +776,7 @@ pub struct Path {
pub viewbox_y: Property<f32>,
pub viewbox_width: Property<f32>,
pub viewbox_height: Property<f32>,
pub clip: Property<bool>,
pub cached_rendering_data: CachedRenderingData,
}
@ -783,7 +784,7 @@ impl Item for Path {
fn init(self: Pin<&Self>, _window: &ComponentWindow) {}
fn geometry(self: Pin<&Self>) -> Rect {
euclid::rect(self.x(), self.y(), 0., 0.)
euclid::rect(self.x(), self.y(), self.width(), self.height())
}
fn layouting_info(self: Pin<&Self>, _window: &ComponentWindow) -> LayoutInfo {
@ -815,7 +816,15 @@ impl Item for Path {
fn focus_event(self: Pin<&Self>, _: &FocusEvent, _window: &ComponentWindow) {}
fn render(self: Pin<&Self>, backend: &mut ItemRendererRef) {
(*backend).draw_path(self)
let clip = self.clip();
if clip {
(*backend).save_state();
(*backend).combine_clip(self.geometry(), 0., 0.)
}
(*backend).draw_path(self);
if clip {
(*backend).restore_state();
}
}
}