| 1 | import { Runner } from "@pixi/runner";
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| 2 | class Resource {
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| 3 | /**
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| 4 | * @param width - Width of the resource
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| 5 | * @param height - Height of the resource
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| 6 | */
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| 7 | constructor(width = 0, height = 0) {
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| 8 | this._width = width, this._height = height, this.destroyed = !1, this.internal = !1, this.onResize = new Runner("setRealSize"), this.onUpdate = new Runner("update"), this.onError = new Runner("onError");
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| 9 | }
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| 10 | /**
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| 11 | * Bind to a parent BaseTexture
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| 12 | * @param baseTexture - Parent texture
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| 13 | */
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| 14 | bind(baseTexture) {
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| 15 | this.onResize.add(baseTexture), this.onUpdate.add(baseTexture), this.onError.add(baseTexture), (this._width || this._height) && this.onResize.emit(this._width, this._height);
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| 16 | }
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| 17 | /**
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| 18 | * Unbind to a parent BaseTexture
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| 19 | * @param baseTexture - Parent texture
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| 20 | */
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| 21 | unbind(baseTexture) {
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| 22 | this.onResize.remove(baseTexture), this.onUpdate.remove(baseTexture), this.onError.remove(baseTexture);
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| 23 | }
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| 24 | /**
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| 25 | * Trigger a resize event
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| 26 | * @param width - X dimension
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| 27 | * @param height - Y dimension
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| 28 | */
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| 29 | resize(width, height) {
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| 30 | (width !== this._width || height !== this._height) && (this._width = width, this._height = height, this.onResize.emit(width, height));
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| 31 | }
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| 32 | /**
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| 33 | * Has been validated
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| 34 | * @readonly
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| 35 | */
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| 36 | get valid() {
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| 37 | return !!this._width && !!this._height;
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| 38 | }
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| 39 | /** Has been updated trigger event. */
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| 40 | update() {
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| 41 | this.destroyed || this.onUpdate.emit();
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| 42 | }
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| 43 | /**
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| 44 | * This can be overridden to start preloading a resource
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| 45 | * or do any other prepare step.
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| 46 | * @protected
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| 47 | * @returns Handle the validate event
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| 48 | */
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| 49 | load() {
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| 50 | return Promise.resolve(this);
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| 51 | }
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| 52 | /**
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| 53 | * The width of the resource.
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| 54 | * @readonly
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| 55 | */
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| 56 | get width() {
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| 57 | return this._width;
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| 58 | }
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| 59 | /**
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| 60 | * The height of the resource.
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| 61 | * @readonly
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| 62 | */
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| 63 | get height() {
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| 64 | return this._height;
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| 65 | }
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| 66 | /**
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| 67 | * Set the style, optional to override
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| 68 | * @param _renderer - yeah, renderer!
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| 69 | * @param _baseTexture - the texture
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| 70 | * @param _glTexture - texture instance for this webgl context
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| 71 | * @returns - `true` is success
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| 72 | */
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| 73 | style(_renderer, _baseTexture, _glTexture) {
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| 74 | return !1;
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| 75 | }
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| 76 | /** Clean up anything, this happens when destroying is ready. */
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| 77 | dispose() {
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| 78 | }
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| 79 | /**
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| 80 | * Call when destroying resource, unbind any BaseTexture object
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| 81 | * before calling this method, as reference counts are maintained
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| 82 | * internally.
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| 83 | */
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| 84 | destroy() {
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| 85 | this.destroyed || (this.destroyed = !0, this.dispose(), this.onError.removeAll(), this.onError = null, this.onResize.removeAll(), this.onResize = null, this.onUpdate.removeAll(), this.onUpdate = null);
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| 86 | }
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| 87 | /**
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| 88 | * Abstract, used to auto-detect resource type.
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| 89 | * @param {*} _source - The source object
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| 90 | * @param {string} _extension - The extension of source, if set
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| 91 | */
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| 92 | static test(_source, _extension) {
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| 93 | return !1;
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| 94 | }
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| 95 | }
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| 96 | export {
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| 97 | Resource
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| 98 | };
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| 99 | //# sourceMappingURL=Resource.mjs.map
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