Graphite/node-graph/graph-craft/src/document/value.rs

275 lines
8.2 KiB
Rust

pub use dyn_any::StaticType;
use dyn_any::{DynAny, Upcast};
use dyn_clone::DynClone;
pub use glam::{DAffine2, DVec2};
use graphene_core::raster::LuminanceCalculation;
use graphene_core::{Node, Type};
use std::hash::Hash;
pub use std::sync::Arc;
use crate::executor::Any;
pub use crate::imaginate_input::{ImaginateMaskStartingFill, ImaginateSamplingMethod, ImaginateStatus};
/// A type that is known, allowing serialization (serde::Deserialize is not object safe)
#[derive(Clone, Debug, PartialEq, specta::Type)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub enum TaggedValue {
None,
String(String),
U32(u32),
F32(f32),
F64(f64),
Bool(bool),
DVec2(DVec2),
OptionalDVec2(Option<DVec2>),
DAffine2(DAffine2),
Image(graphene_core::raster::Image),
RcImage(Option<Arc<graphene_core::raster::Image>>),
ImageFrame(graphene_core::raster::ImageFrame),
Color(graphene_core::raster::color::Color),
Subpath(graphene_core::vector::subpath::Subpath),
RcSubpath(Arc<graphene_core::vector::subpath::Subpath>),
LuminanceCalculation(LuminanceCalculation),
ImaginateSamplingMethod(ImaginateSamplingMethod),
ImaginateMaskStartingFill(ImaginateMaskStartingFill),
ImaginateStatus(ImaginateStatus),
LayerPath(Option<Vec<u64>>),
}
#[allow(clippy::derive_hash_xor_eq)]
impl Hash for TaggedValue {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
match self {
Self::None => 0.hash(state),
Self::String(s) => {
1.hash(state);
s.hash(state)
}
Self::U32(u) => {
2.hash(state);
u.hash(state)
}
Self::F32(f) => {
3.hash(state);
f.to_bits().hash(state)
}
Self::F64(f) => {
4.hash(state);
f.to_bits().hash(state)
}
Self::Bool(b) => {
5.hash(state);
b.hash(state)
}
Self::DVec2(v) => {
6.hash(state);
v.to_array().iter().for_each(|x| x.to_bits().hash(state))
}
Self::OptionalDVec2(None) => 7.hash(state),
Self::OptionalDVec2(Some(v)) => {
8.hash(state);
Self::DVec2(*v).hash(state)
}
Self::DAffine2(m) => {
9.hash(state);
m.to_cols_array().iter().for_each(|x| x.to_bits().hash(state))
}
Self::Image(i) => {
10.hash(state);
i.hash(state)
}
Self::RcImage(i) => {
11.hash(state);
i.hash(state)
}
Self::Color(c) => {
12.hash(state);
c.hash(state)
}
Self::Subpath(s) => {
13.hash(state);
s.hash(state)
}
Self::RcSubpath(s) => {
14.hash(state);
s.hash(state)
}
Self::LuminanceCalculation(l) => {
15.hash(state);
l.hash(state)
}
Self::ImaginateSamplingMethod(m) => {
16.hash(state);
m.hash(state)
}
Self::ImaginateMaskStartingFill(f) => {
17.hash(state);
f.hash(state)
}
Self::ImaginateStatus(s) => {
18.hash(state);
s.hash(state)
}
Self::LayerPath(p) => {
19.hash(state);
p.hash(state)
}
Self::ImageFrame(i) => {
20.hash(state);
i.image.hash(state);
i.transform.to_cols_array().iter().for_each(|x| x.to_bits().hash(state))
}
}
}
}
impl<'a> TaggedValue {
/// Converts to a Box<dyn DynAny> - this isn't very neat but I'm not sure of a better approach
pub fn to_any(self) -> Any<'a> {
match self {
TaggedValue::None => Box::new(()),
TaggedValue::String(x) => Box::new(x),
TaggedValue::U32(x) => Box::new(x),
TaggedValue::F32(x) => Box::new(x),
TaggedValue::F64(x) => Box::new(x),
TaggedValue::Bool(x) => Box::new(x),
TaggedValue::DVec2(x) => Box::new(x),
TaggedValue::OptionalDVec2(x) => Box::new(x),
TaggedValue::DAffine2(x) => Box::new(x),
TaggedValue::Image(x) => Box::new(x),
TaggedValue::RcImage(x) => Box::new(x),
TaggedValue::ImageFrame(x) => Box::new(x),
TaggedValue::Color(x) => Box::new(x),
TaggedValue::Subpath(x) => Box::new(x),
TaggedValue::RcSubpath(x) => Box::new(x),
TaggedValue::LuminanceCalculation(x) => Box::new(x),
TaggedValue::ImaginateSamplingMethod(x) => Box::new(x),
TaggedValue::ImaginateMaskStartingFill(x) => Box::new(x),
TaggedValue::ImaginateStatus(x) => Box::new(x),
TaggedValue::LayerPath(x) => Box::new(x),
}
}
pub fn ty(&self) -> Type {
use graphene_core::TypeDescriptor;
use std::borrow::Cow;
match self {
TaggedValue::None => concrete!(()),
TaggedValue::String(_) => concrete!(String),
TaggedValue::U32(_) => concrete!(u32),
TaggedValue::F32(_) => concrete!(f32),
TaggedValue::F64(_) => concrete!(f64),
TaggedValue::Bool(_) => concrete!(bool),
TaggedValue::DVec2(_) => concrete!(DVec2),
TaggedValue::OptionalDVec2(_) => concrete!(Option<DVec2>),
TaggedValue::Image(_) => concrete!(graphene_core::raster::Image),
TaggedValue::RcImage(_) => concrete!(Option<Arc<graphene_core::raster::Image>>),
TaggedValue::ImageFrame(_) => concrete!(graphene_core::raster::ImageFrame),
TaggedValue::Color(_) => concrete!(graphene_core::raster::Color),
TaggedValue::Subpath(_) => concrete!(graphene_core::vector::subpath::Subpath),
TaggedValue::RcSubpath(_) => concrete!(Arc<graphene_core::vector::subpath::Subpath>),
TaggedValue::ImaginateSamplingMethod(_) => concrete!(ImaginateSamplingMethod),
TaggedValue::ImaginateMaskStartingFill(_) => concrete!(ImaginateMaskStartingFill),
TaggedValue::ImaginateStatus(_) => concrete!(ImaginateStatus),
TaggedValue::LayerPath(_) => concrete!(Option<Vec<u64>>),
TaggedValue::DAffine2(_) => concrete!(DAffine2),
TaggedValue::LuminanceCalculation(_) => concrete!(LuminanceCalculation),
}
}
}
pub struct UpcastNode {
value: TaggedValue,
}
impl<'input> Node<'input, Box<dyn DynAny<'input> + 'input>> for UpcastNode {
type Output = Box<dyn DynAny<'input> + 'input>;
fn eval<'s: 'input>(&'s self, _: Box<dyn DynAny<'input> + 'input>) -> Self::Output {
self.value.clone().to_any()
}
}
impl UpcastNode {
pub fn new(value: TaggedValue) -> Self {
Self { value }
}
}
pub type Value<'a> = Box<dyn for<'i> ValueTrait<'i> + 'a>;
pub trait ValueTrait<'a>: DynAny<'a> + Upcast<dyn DynAny<'a> + 'a> + std::fmt::Debug + DynClone + Sync + Send + 'a {}
pub trait IntoValue<'a>: Sized + for<'i> ValueTrait<'i> + 'a {
fn into_any(self) -> Value<'a> {
Box::new(self)
}
}
impl<'a, T: 'a + StaticType + Upcast<dyn DynAny<'a> + 'a> + std::fmt::Debug + PartialEq + Clone + Sync + Send + 'a> ValueTrait<'a> for T {}
impl<'a, T: for<'i> ValueTrait<'i> + 'a> IntoValue<'a> for T {}
#[repr(C)]
pub(crate) struct Vtable {
pub(crate) destructor: unsafe fn(*mut ()),
pub(crate) size: usize,
pub(crate) align: usize,
}
#[repr(C)]
pub(crate) struct TraitObject {
pub(crate) self_ptr: *mut u8,
pub(crate) vtable: &'static Vtable,
}
impl<'a> PartialEq for Box<dyn for<'i> ValueTrait<'i> + 'a> {
#[cfg_attr(miri, ignore)]
fn eq(&self, other: &Self) -> bool {
if self.type_id() != other.type_id() {
return false;
}
let self_trait_object = unsafe { std::mem::transmute::<&dyn ValueTrait, TraitObject>(self.as_ref()) };
let other_trait_object = unsafe { std::mem::transmute::<&dyn ValueTrait, TraitObject>(other.as_ref()) };
let size = self_trait_object.vtable.size;
let self_mem = unsafe { std::slice::from_raw_parts(self_trait_object.self_ptr, size) };
let other_mem = unsafe { std::slice::from_raw_parts(other_trait_object.self_ptr, size) };
self_mem == other_mem
}
}
impl<'a> Hash for Value<'a> {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
let self_trait_object = unsafe { std::mem::transmute::<&dyn ValueTrait, TraitObject>(self.as_ref()) };
let size = self_trait_object.vtable.size;
let self_mem = unsafe { std::slice::from_raw_parts(self_trait_object.self_ptr, size) };
self_mem.hash(state);
}
}
impl<'a> Clone for Value<'a> {
fn clone(&self) -> Self {
let self_trait_object = unsafe { std::mem::transmute::<&dyn ValueTrait, TraitObject>(self.as_ref()) };
let size = self_trait_object.vtable.size;
let self_mem = unsafe { std::slice::from_raw_parts(self_trait_object.self_ptr, size) }.to_owned();
let ptr = Vec::leak(self_mem);
unsafe {
std::mem::transmute(TraitObject {
self_ptr: ptr as *mut [u8] as *mut u8,
vtable: self_trait_object.vtable,
})
}
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
#[cfg_attr(miri, ignore)]
fn test_any_src() {
assert!(2_u32.into_any() == 2_u32.into_any());
assert!(2_u32.into_any() != 3_u32.into_any());
assert!(2_u32.into_any() != 3_i32.into_any());
}
}