skia_safe/core/
flattenable.rs

1use crate::{prelude::*, Data};
2use skia_bindings::{self as sb, SkFlattenable};
3use std::ffi::CStr;
4
5// TODO: getFactory()?
6// TODO: NameToFactory()?
7// TODO: FactoryToName()?
8// TODO: Register()?
9// TODO: getFlattenableType()?
10// TODO: serialize() with SkSerialProcs?
11
12require_type_equality!(sb::SkFlattenable_INHERITED, sb::SkRefCnt);
13
14pub trait Flattenable: Sized {
15    fn type_name(&self) -> &CStr;
16    fn serialize(&self) -> Data;
17    fn deserialize(data: &[u8]) -> Option<Self>;
18}
19
20// TODO: find a way to hide these trait's functions from other crates.
21pub trait NativeFlattenable {
22    fn native_flattenable(&self) -> &SkFlattenable;
23    fn native_deserialize(data: &[u8]) -> *mut Self;
24}
25
26impl<N> Flattenable for RCHandle<N>
27where
28    N: NativeFlattenable + NativeRefCountedBase,
29{
30    fn type_name(&self) -> &CStr {
31        unsafe {
32            CStr::from_ptr(sb::C_SkFlattenable_getTypeName(
33                self.native().native_flattenable(),
34            ))
35        }
36    }
37
38    fn serialize(&self) -> Data {
39        Data::from_ptr(unsafe { sb::C_SkFlattenable_serialize(self.native().native_flattenable()) })
40            .unwrap()
41    }
42
43    fn deserialize(data: &[u8]) -> Option<Self> {
44        RCHandle::from_ptr(N::native_deserialize(data))
45    }
46}
skia_safe/core/flattenable.rs

skia_safe/core/
flattenable.rs
