rive_rs/shapes/
shape_paint_container.rs

1// Copyright 2021 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use std::cell::Cell;
6
7use crate::core::{Core, Object, ObjectRef, OnAdded};
8use crate::dyn_vec::DynVec;
9use crate::shapes::paint::{ShapePaint, Stroke};
10use crate::shapes::{PathSpace, Shape};
11use crate::Artboard;
12
13#[derive(Debug, Default)]
14pub struct ShapePaintContainer {
15    default_path_space: Cell<PathSpace>,
16    shape_paints: DynVec<Object<ShapePaint>>,
17}
18
19impl ShapePaintContainer {
20    pub fn push_paint(&self, shape_paint: Object<ShapePaint>) {
21        self.shape_paints.push(shape_paint);
22    }
23
24    pub(crate) fn shape_paints(&self) -> impl Iterator<Item = Object<ShapePaint>> + '_ {
25        self.shape_paints.iter()
26    }
27
28    pub fn path_space(&self) -> PathSpace {
29        self.shape_paints
30            .iter()
31            .map(|shape_paint| shape_paint.as_ref().path_space())
32            .fold(self.default_path_space.get(), |a, e| a | e)
33    }
34
35    pub fn add_default_path_space(&self, space: PathSpace) {
36        self.default_path_space.set(self.default_path_space.get() | space);
37    }
38
39    pub fn invalidate_stroke_effects(&self) {
40        for paint in self.shape_paints.iter() {
41            if let Some(stroke) = paint.try_cast::<Stroke>() {
42                stroke.as_ref().invalidate_effects();
43            }
44        }
45    }
46
47    pub fn make_command_path(&self, _space: PathSpace) {
48        // let mut needs_render =
49        //     ((space | self.default_path_space.get()) & PathSpace::CLIPPING) == PathSpace::CLIPPING;
50        // let mut needs_effects = false;
51
52        // for paint in self.shape_paints.iter() {
53        //     if !space.is_empty() && (space & paint.as_ref().path_space()) != space {
54        //         continue;
55        //     }
56
57        //     match paint.try_cast::<Stroke>() {
58        //         Some(stroke) if stroke.as_ref().has_stroke_effect() => needs_effects = true,
59        //         _ => needs_render = true,
60        //     }
61        // }
62
63        // if needs_render && needs_effects {
64        //     Box::new(MetricsPath)
65        // } else if needs_effects {
66        //     Box::new(MetricsPath)
67        // } else {
68        //     Box::new(RenderPath)
69        // }
70
71        todo!();
72    }
73}
74
75impl TryFrom<Object> for Object<ShapePaintContainer> {
76    type Error = ();
77
78    fn try_from(value: Object) -> Result<Self, Self::Error> {
79        if let Some(artboard) = value.try_cast::<Artboard>() {
80            return Ok(artboard.cast());
81        }
82
83        if let Some(shape) = value.try_cast::<Shape>() {
84            return Ok(shape.cast());
85        }
86
87        Err(())
88    }
89}
90
91impl Core for ShapePaintContainer {}
92
93impl OnAdded for ObjectRef<'_, ShapePaintContainer> {
94    on_added!();
95}
rive_rs/shapes/shape_paint_container.rs

rive_rs/shapes/
shape_paint_container.rs
