summaryrefslogtreecommitdiffstats
path: root/graphics/src/renderer.rs
diff options
context:
space:
mode:
Diffstat (limited to 'graphics/src/renderer.rs')
-rw-r--r--graphics/src/renderer.rs74
1 files changed, 43 insertions, 31 deletions
diff --git a/graphics/src/renderer.rs b/graphics/src/renderer.rs
index de905503..c0cec60a 100644
--- a/graphics/src/renderer.rs
+++ b/graphics/src/renderer.rs
@@ -18,7 +18,7 @@ use std::marker::PhantomData;
#[derive(Debug)]
pub struct Renderer<B: Backend, Theme> {
backend: B,
- primitives: Vec<Primitive>,
+ primitives: Vec<Primitive<B::Primitive>>,
theme: PhantomData<Theme>,
}
@@ -38,7 +38,7 @@ impl<B: Backend, T> Renderer<B, T> {
}
/// Enqueues the given [`Primitive`] in the [`Renderer`] for drawing.
- pub fn draw_primitive(&mut self, primitive: Primitive) {
+ pub fn draw_primitive(&mut self, primitive: Primitive<B::Primitive>) {
self.primitives.push(primitive);
}
@@ -46,16 +46,46 @@ impl<B: Backend, T> Renderer<B, T> {
/// of the [`Renderer`].
pub fn with_primitives<O>(
&mut self,
- f: impl FnOnce(&mut B, &[Primitive]) -> O,
+ f: impl FnOnce(&mut B, &[Primitive<B::Primitive>]) -> O,
) -> O {
f(&mut self.backend, &self.primitives)
}
+
+ /// Starts recording a new layer.
+ pub fn start_layer(&mut self) -> Vec<Primitive<B::Primitive>> {
+ std::mem::take(&mut self.primitives)
+ }
+
+ /// Ends the recording of a layer.
+ pub fn end_layer(
+ &mut self,
+ primitives: Vec<Primitive<B::Primitive>>,
+ bounds: Rectangle,
+ ) {
+ let layer = std::mem::replace(&mut self.primitives, primitives);
+
+ self.primitives.push(Primitive::group(layer).clip(bounds));
+ }
+
+ /// Starts recording a translation.
+ pub fn start_translation(&mut self) -> Vec<Primitive<B::Primitive>> {
+ std::mem::take(&mut self.primitives)
+ }
+
+ /// Ends the recording of a translation.
+ pub fn end_translation(
+ &mut self,
+ primitives: Vec<Primitive<B::Primitive>>,
+ translation: Vector,
+ ) {
+ let layer = std::mem::replace(&mut self.primitives, primitives);
+
+ self.primitives
+ .push(Primitive::group(layer).translate(translation));
+ }
}
-impl<B, T> iced_core::Renderer for Renderer<B, T>
-where
- B: Backend,
-{
+impl<B: Backend, T> iced_core::Renderer for Renderer<B, T> {
type Theme = T;
fn layout<Message>(
@@ -63,21 +93,17 @@ where
element: &Element<'_, Message, Self>,
limits: &layout::Limits,
) -> layout::Node {
- let layout = element.as_widget().layout(self, limits);
-
self.backend.trim_measurements();
- layout
+ element.as_widget().layout(self, limits)
}
fn with_layer(&mut self, bounds: Rectangle, f: impl FnOnce(&mut Self)) {
- let current = std::mem::take(&mut self.primitives);
+ let current = self.start_layer();
f(self);
- let layer = std::mem::replace(&mut self.primitives, current);
-
- self.primitives.push(Primitive::group(layer).clip(bounds));
+ self.end_layer(current, bounds);
}
fn with_translation(
@@ -85,14 +111,11 @@ where
translation: Vector,
f: impl FnOnce(&mut Self),
) {
- let current = std::mem::take(&mut self.primitives);
+ let current = self.start_translation();
f(self);
- let layer = std::mem::replace(&mut self.primitives, current);
-
- self.primitives
- .push(Primitive::group(layer).translate(translation));
+ self.end_translation(current, translation);
}
fn fill_quad(
@@ -140,7 +163,7 @@ where
font: Font,
bounds: Size,
shaping: text::Shaping,
- ) -> (f32, f32) {
+ ) -> Size {
self.backend().measure(
content,
size,
@@ -229,14 +252,3 @@ where
})
}
}
-
-#[cfg(feature = "geometry")]
-impl<B, T> crate::geometry::Renderer for Renderer<B, T>
-where
- B: Backend,
-{
- fn draw(&mut self, layers: Vec<crate::Geometry>) {
- self.primitives
- .extend(layers.into_iter().map(crate::Geometry::into));
- }
-}