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// Copyright 2024 the Velato Authors
// SPDX-License-Identifier: Apache-2.0 OR MIT
pub mod image;
pub mod layer;
pub mod null;
pub mod precomposition;
pub mod shape;
pub mod solid;
pub mod visual;
use self::solid::SolidLayer;
use self::visual::VisualLayer;
use image::ImageLayer;
use null::NullLayer;
use precomposition::PrecompositionLayer;
use serde::{Deserialize, Deserializer, Serialize};
use shape::ShapeLayer;
/// There are several layer types, which is specified by the 'ty' attribute. All
/// layers share the properties in `layers::common::Properties`.
#[derive(Serialize, Debug, Clone, PartialEq)]
#[serde(untagged)]
pub enum AnyLayer {
/// Renders a Precomposition
Precomposition(PrecompositionLayer),
/// Static rectangle filling the canvas with a single color
Solid(SolidLayer),
/// No contents, only used for parenting.
/// Has an array of shapes
Shape(ShapeLayer),
/// Null
Null(NullLayer),
// unimplemented - Text(TextLayer),
Image(ImageLayer),
// unimplemented - Audio(AudioLayer),
// unimplemented - VideoPlaceholder(VideoPlaceholderLayer)
// unimplemented - Video(VideoLayer)
// unimplemented - ImagePlaceholder(ImagePlaceholderLayer)
// unimplemented - Guide(GuideLayer)
// unimplemented - Adjustment(AdjustmentLayer)
// unimplemented - Camera(CameraLayer)
// unimplemented - Light(LightLayer)
// unimplemented - Data(DataLayer)
}
impl<'de> Deserialize<'de> for AnyLayer {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
use serde::de::Error;
let value = serde_json::Value::deserialize(deserializer)?;
let layer_type = value
.get("ty")
.and_then(|v| v.as_u64())
.ok_or_else(|| D::Error::missing_field("ty"))?;
match layer_type {
0 => serde_json::from_value(value)
.map(AnyLayer::Precomposition)
.map_err(D::Error::custom),
1 => serde_json::from_value(value)
.map(AnyLayer::Solid)
.map_err(D::Error::custom),
2 => serde_json::from_value(value)
.map(AnyLayer::Image)
.map_err(D::Error::custom),
3 => serde_json::from_value(value)
.map(AnyLayer::Null)
.map_err(D::Error::custom),
4 => serde_json::from_value(value)
.map(AnyLayer::Shape)
.map_err(D::Error::custom),
_ => Err(D::Error::custom(format!(
"unknown layer type: {}",
layer_type
))),
}
}
}
#[cfg(test)]
mod tests {
use crate::schema::{
animated_properties::{
animated_property::{AnimatedProperty, AnimatedPropertyK},
multi_dimensional::MultiDimensional,
position::{Position, PositionValueK},
value::FloatValue,
},
helpers::{
int_boolean::BoolInt,
transform::{AnyTransformP, AnyTransformR, Transform},
visual_object::VisualObject,
},
layers::layer::Layer,
shapes::{
AnyShape, ellipse::EllipseShape, graphic_element::GraphicElementShape,
group::GroupShape, shape::Shape,
},
};
use super::{AnyLayer, shape::ShapeLayer, visual::VisualLayer};
use serde_json::json;
use std::sync::LazyLock;
static JSON: LazyLock<serde_json::Value> = LazyLock::new(|| {
json!(
{
"ddd": 0,
"ty": 4,
"ind": 1,
"st": 0,
"ip": 0,
"op": 180,
"nm": "Ellipse",
"mn": "{0a36d01c-18e1-48d3-8e8f-cc093b3f24ba}",
"ks": {
"a": {
"a": 0,
"k": [
256,
256
]
},
"p": {
"a": 0,
"k": [
256,
256
]
},
"s": {
"a": 0,
"k": [
100,
100
]
},
"r": {
"a": 0,
"k": 0
},
"o": {
"a": 0,
"k": 100
}
},
"shapes": [
{
"ty": "gr",
"nm": "Group",
"mn": "{f1becc2a-49f0-4f0c-918f-bdffe4c6870f}",
"it": [
{
"ty": "el",
"nm": "Ellipse",
"mn": "{2aabac6e-1dd8-41b0-b60b-baf75ccb6318}",
"p": {
"a": 0,
"k": [
303.9044776119403,
324.9671641791045
]
},
"s": {
"a": 0,
"k": [
205.46865671641788,
204.6089552238806
]
}
}
]
}
]
}
)
});
#[expect(deprecated, reason = "Uses deprecated attributes")]
static LAYER: LazyLock<AnyLayer> = LazyLock::new(|| {
AnyLayer::Shape(ShapeLayer {
visual_layer: VisualLayer {
layer: Layer {
visual_object: VisualObject {
name: Some("Ellipse".to_string()),
match_name: Some("{0a36d01c-18e1-48d3-8e8f-cc093b3f24ba}".to_string()),
},
layer_type: 4,
three_dimensional: Some(BoolInt::False),
index: Some(1),
start_time: Some(0.0),
in_point: 0.0,
out_point: 180.0,
hidden: None,
parent_index: None,
time_stretch: None,
},
transform: Transform {
anchor_point: Some(Position {
property_index: None,
animated: Some(BoolInt::False),
expression: None,
length: None,
value: PositionValueK::Static(vec![256.0, 256.0]),
}),
position: AnyTransformP::Position(Position {
property_index: None,
animated: Some(BoolInt::False),
expression: None,
length: None,
value: PositionValueK::Static(vec![256.0, 256.0]),
}),
scale: Some(MultiDimensional {
animated_property: AnimatedProperty {
animated: Some(BoolInt::False),
property_index: None,
expression: None,
slot_id: None,
value: AnimatedPropertyK::Static(vec![100.0, 100.0]),
},
length: None,
}),
rotation: Some(AnyTransformR::Rotation(FloatValue {
animated_property: AnimatedProperty {
animated: Some(BoolInt::False),
property_index: None,
expression: None,
slot_id: None,
value: AnimatedPropertyK::Static(0.0),
},
})),
opacity: Some(FloatValue {
animated_property: AnimatedProperty {
animated: Some(BoolInt::False),
property_index: None,
expression: None,
slot_id: None,
value: AnimatedPropertyK::Static(100.0),
},
}),
skew: None,
skew_axis: None,
},
matte_mode: None,
matte_target: None,
masks_properties: None,
rotate_to_match_anim_pos_path: None,
matte_layer_index: None,
has_mask: None,
motion_blur: None,
blend_mode: None,
css_class: None,
id: None,
tag_name: None,
tranform_before_mask_deprecated: None,
transform_before_mask: None,
},
shapes: vec![AnyShape::Group(GroupShape {
graphic_element: GraphicElementShape {
visual_object: VisualObject {
name: Some("Group".to_string()),
match_name: Some("{f1becc2a-49f0-4f0c-918f-bdffe4c6870f}".to_string()),
},
index: None,
hidden: None,
blend_mode: None,
property_index: None,
css_class: None,
xml_id: None,
},
num_properties: None,
property_index: None,
shapes: vec![AnyShape::Ellipse(EllipseShape {
shape: Shape {
graphic_element: GraphicElementShape {
visual_object: VisualObject {
name: Some("Ellipse".to_string()),
match_name: Some(
"{2aabac6e-1dd8-41b0-b60b-baf75ccb6318}".to_string(),
),
},
index: None,
hidden: None,
blend_mode: None,
property_index: None,
css_class: None,
xml_id: None,
},
direction: None,
},
position: Position {
property_index: None,
animated: Some(BoolInt::False),
expression: None,
length: None,
value: PositionValueK::Static(vec![303.9044776119403, 324.9671641791045]),
},
size: MultiDimensional {
animated_property: AnimatedProperty {
animated: Some(BoolInt::False),
property_index: None,
expression: None,
slot_id: None,
value: AnimatedPropertyK::Static(vec![
205.46865671641788,
204.6089552238806,
]),
},
length: None,
},
})],
})],
})
});
#[test]
fn test_deserialize() {
let actual = serde_json::from_value(JSON.to_owned());
match actual {
Ok(actual) => assert_eq!(*LAYER, actual),
Err(e) => panic!("{e}"),
}
}
#[test]
fn test_can_serialize() {
serde_json::to_value(&*LAYER).unwrap();
}
}