mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-26 19:58:54 +01:00
45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
// Copyright 2019 The Ebiten Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// +build !go1.13 !wasm
|
|
|
|
package jsutil
|
|
|
|
import (
|
|
"syscall/js"
|
|
)
|
|
|
|
func Uint8ArrayToSlice(value js.Value) []byte {
|
|
// Note that TypedArrayOf cannot work correcly on Wasm.
|
|
// See https://github.com/golang/go/issues/31980
|
|
|
|
s := make([]byte, value.Get("byteLength").Int())
|
|
a := js.TypedArrayOf(s)
|
|
a.Call("set", value)
|
|
a.Release()
|
|
return s
|
|
}
|
|
|
|
func ArrayBufferToSlice(value js.Value) []byte {
|
|
return Uint8ArrayToSlice(js.Global().Get("Uint8Array").New(value))
|
|
}
|
|
|
|
func SliceToTypedArray(s interface{}) (js.Value, func()) {
|
|
// Note that TypedArrayOf cannot work correcly on Wasm.
|
|
// See https://github.com/golang/go/issues/31980
|
|
|
|
a := js.TypedArrayOf(s)
|
|
return a.Value, func() { a.Release() }
|
|
}
|