@pixi/core
Version:
Core PixiJS
59 lines (58 loc) • 2.23 kB
JavaScript
class ViewableBuffer {
constructor(sizeOrBuffer) {
typeof sizeOrBuffer == "number" ? this.rawBinaryData = new ArrayBuffer(sizeOrBuffer) : sizeOrBuffer instanceof Uint8Array ? this.rawBinaryData = sizeOrBuffer.buffer : this.rawBinaryData = sizeOrBuffer, this.uint32View = new Uint32Array(this.rawBinaryData), this.float32View = new Float32Array(this.rawBinaryData);
}
/** View on the raw binary data as a `Int8Array`. */
get int8View() {
return this._int8View || (this._int8View = new Int8Array(this.rawBinaryData)), this._int8View;
}
/** View on the raw binary data as a `Uint8Array`. */
get uint8View() {
return this._uint8View || (this._uint8View = new Uint8Array(this.rawBinaryData)), this._uint8View;
}
/** View on the raw binary data as a `Int16Array`. */
get int16View() {
return this._int16View || (this._int16View = new Int16Array(this.rawBinaryData)), this._int16View;
}
/** View on the raw binary data as a `Uint16Array`. */
get uint16View() {
return this._uint16View || (this._uint16View = new Uint16Array(this.rawBinaryData)), this._uint16View;
}
/** View on the raw binary data as a `Int32Array`. */
get int32View() {
return this._int32View || (this._int32View = new Int32Array(this.rawBinaryData)), this._int32View;
}
/**
* Returns the view of the given type.
* @param type - One of `int8`, `uint8`, `int16`,
* `uint16`, `int32`, `uint32`, and `float32`.
* @returns - typed array of given type
*/
view(type) {
return this[`${type}View`];
}
/** Destroys all buffer references. Do not use after calling this. */
destroy() {
this.rawBinaryData = null, this._int8View = null, this._uint8View = null, this._int16View = null, this._uint16View = null, this._int32View = null, this.uint32View = null, this.float32View = null;
}
static sizeOf(type) {
switch (type) {
case "int8":
case "uint8":
return 1;
case "int16":
case "uint16":
return 2;
case "int32":
case "uint32":
case "float32":
return 4;
default:
throw new Error(`${type} isn't a valid view type`);
}
}
}
export {
ViewableBuffer
};
//# sourceMappingURL=ViewableBuffer.mjs.map