{"version":3,"file":"Composed.mjs","names":[],"sources":["../../../src/filters/Composed.ts"],"sourcesContent":["import { BaseFilter } from './BaseFilter';\nimport type { T2DPipelineState, TWebGLPipelineState } from './typedefs';\nimport { isWebGLPipelineState } from './utils';\nimport { classRegistry } from '../ClassRegistry';\n\ntype ComposedOwnProps = {\n  subFilters: BaseFilter<string, object, object>[];\n};\n\ntype ComposedSerializedProps = {\n  subFilters: Record<string, unknown>[];\n};\n\n/**\n * A container class that knows how to apply a sequence of filters to an input image.\n */\nexport class Composed extends BaseFilter<\n  'Composed',\n  ComposedOwnProps,\n  ComposedSerializedProps\n> {\n  /**\n   * A non sparse array of filters to apply\n   */\n  declare subFilters: ComposedOwnProps['subFilters'];\n\n  static type = 'Composed';\n\n  constructor(\n    options: { subFilters?: BaseFilter<string>[] } & Record<string, any> = {},\n  ) {\n    super(options);\n    this.subFilters = options.subFilters || [];\n  }\n\n  /**\n   * Apply this container's filters to the input image provided.\n   *\n   * @param {Object} options\n   * @param {Number} options.passes The number of filters remaining to be applied.\n   */\n  applyTo(options: TWebGLPipelineState | T2DPipelineState) {\n    if (isWebGLPipelineState(options)) {\n      options.passes += this.subFilters.length - 1;\n    }\n    this.subFilters.forEach((filter) => {\n      filter.applyTo(options);\n    });\n  }\n\n  /**\n   * Serialize this filter into JSON.\n   * @returns {Object} A JSON representation of this filter.\n   */\n  toObject() {\n    return {\n      type: this.type,\n      subFilters: this.subFilters.map((filter) => filter.toObject()),\n    };\n  }\n\n  isNeutralState() {\n    return !this.subFilters.some((filter) => !filter.isNeutralState());\n  }\n\n  /**\n   * Deserialize a JSON definition of a ComposedFilter into a concrete instance.\n   * @param {oject} object Object to create an instance from\n   * @param {object} [options]\n   * @param {AbortSignal} [options.signal] handle aborting `BlendImage` filter loading, see https://developer.mozilla.org/en-US/docs/Web/API/AbortController/signal\n   * @returns {Promise<Composed>}\n   */\n  static fromObject(\n    object: Record<string, any>,\n    options?: { signal: AbortSignal },\n  ): Promise<Composed> {\n    return Promise.all(\n      ((object.subFilters || []) as BaseFilter<string>[]).map((filter) =>\n        classRegistry\n          .getClass<typeof BaseFilter>(filter.type)\n          .fromObject(filter, options),\n      ),\n    ).then((enlivedFilters) => new this({ subFilters: enlivedFilters }));\n  }\n}\n\nclassRegistry.setClass(Composed);\n"],"mappings":";;;;;;;;AAgBA,IAAa,WAAb,cAA8B,WAI5B;CAQA,YACE,UAAuE,EAAE,EACzE;AACA,QAAM,QAAQ;AACd,OAAK,aAAa,QAAQ,cAAc,EAAE;;;;;;;;CAS5C,QAAQ,SAAiD;AACvD,MAAI,qBAAqB,QAAQ,CAC/B,SAAQ,UAAU,KAAK,WAAW,SAAS;AAE7C,OAAK,WAAW,SAAS,WAAW;AAClC,UAAO,QAAQ,QAAQ;IACvB;;;;;;CAOJ,WAAW;AACT,SAAO;GACL,MAAM,KAAK;GACX,YAAY,KAAK,WAAW,KAAK,WAAW,OAAO,UAAU,CAAC;GAC/D;;CAGH,iBAAiB;AACf,SAAO,CAAC,KAAK,WAAW,MAAM,WAAW,CAAC,OAAO,gBAAgB,CAAC;;;;;;;;;CAUpE,OAAO,WACL,QACA,SACmB;AACnB,SAAO,QAAQ,KACX,OAAO,cAAc,EAAE,EAA2B,KAAK,WACvD,cACG,SAA4B,OAAO,KAAK,CACxC,WAAW,QAAQ,QAAQ,CAC/B,CACF,CAAC,MAAM,mBAAmB,IAAI,KAAK,EAAE,YAAY,gBAAgB,CAAC,CAAC;;;0BAxD/D,QAAO,WAAW;AA4D3B,cAAc,SAAS,SAAS"}