| 1 | {"version":3,"file":"GenerateTextureSystem.mjs","sources":["../../src/renderTexture/GenerateTextureSystem.ts"],"sourcesContent":["import { extensions, ExtensionType } from '@pixi/extensions';\nimport { Matrix, Rectangle, Transform } from '@pixi/math';\nimport { RenderTexture } from './RenderTexture';\n\nimport type { MSAA_QUALITY } from '@pixi/constants';\nimport type { ExtensionMetadata } from '@pixi/extensions';\nimport type { IRenderableContainer, IRenderableObject, IRenderer } from '../IRenderer';\nimport type { ISystem } from '../system/ISystem';\nimport type { IBaseTextureOptions } from '../textures/BaseTexture';\n\nconst tempTransform = new Transform();\nconst tempRect = new Rectangle();\n\n// TODO could this just be part of extract?\nexport interface IGenerateTextureOptions extends IBaseTextureOptions\n{\n /**\n * The region of the displayObject, that shall be rendered,\n * if no region is specified, defaults to the local bounds of the displayObject.\n */\n region?: Rectangle;\n /** The resolution / device pixel ratio of the texture being generated. The default is the renderer's resolution. */\n resolution?: number;\n /** The number of samples of the frame buffer. The default is the renderer's multisample. */\n multisample?: MSAA_QUALITY;\n}\n\n/**\n * System that manages the generation of textures from the renderer.\n * @memberof PIXI\n */\nexport class GenerateTextureSystem implements ISystem\n{\n /** @ignore */\n static extension: ExtensionMetadata = {\n type: [\n ExtensionType.RendererSystem,\n ExtensionType.CanvasRendererSystem\n ],\n name: 'textureGenerator',\n };\n\n renderer: IRenderer;\n\n private readonly _tempMatrix: Matrix;\n\n constructor(renderer: IRenderer)\n {\n this.renderer = renderer;\n\n this._tempMatrix = new Matrix();\n }\n\n /**\n * A Useful function that returns a texture of the display object that can then be used to create sprites\n * This can be quite useful if your displayObject is complicated and needs to be reused multiple times.\n * @param displayObject - The displayObject the object will be generated from.\n * @param {IGenerateTextureOptions} options - Generate texture options.\n * @param {PIXI.Rectangle} options.region - The region of the displayObject, that shall be rendered,\n * if no region is specified, defaults to the local bounds of the displayObject.\n * @param {number} [options.resolution] - If not given, the renderer's resolution is used.\n * @param {PIXI.MSAA_QUALITY} [options.multisample] - If not given, the renderer's multisample is used.\n * @returns a shiny new texture of the display object passed in\n */\n generateTexture(displayObject: IRenderableObject, options?: IGenerateTextureOptions): RenderTexture\n {\n const { region: manualRegion, ...textureOptions } = options || {};\n\n const region = manualRegion?.copyTo(tempRect)\n || (displayObject as IRenderableContainer).getLocalBounds(tempRect, true);\n const resolution = textureOptions.resolution || this.renderer.resolution;\n\n region.width = Math.max(region.width, 1 / resolution);\n region.height = Math.max(region.height, 1 / resolution);\n\n textureOptions.width = region.width;\n textureOptions.height = region.height;\n textureOptions.resolution = resolution;\n textureOptions.multisample ??= this.renderer.multisample;\n\n const renderTexture = RenderTexture.create(textureOptions);\n\n this._tempMatrix.tx = -region.x;\n this._tempMatrix.ty = -region.y;\n\n const transform = displayObject.transform;\n\n displayObject.transform = tempTransform;\n\n this.renderer.render(displayObject, {\n renderTexture,\n transform: this._tempMatrix,\n skipUpdateTransform: !!displayObject.parent,\n blit: true,\n });\n\n displayObject.transform = transform;\n\n return renderTexture;\n }\n\n destroy(): void\n {\n // ka boom!\n }\n}\n\nextensions.add(GenerateTextureSystem);\n"],"names":[],"mappings":";;;AAUA,MAAM,gBAAgB,IAAI,UAAA,GACpB,WAAW,IAAI,UAAU;AAoBxB,MAAM,sBACb;AAAA,EAcI,YAAY,UACZ;AACI,SAAK,WAAW,UAEhB,KAAK,cAAc,IAAI;EAC3B;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAaA,gBAAgB,eAAkC,SAClD;AACU,UAAA,EAAE,QAAQ,cAAc,GAAG,eAAmB,IAAA,WAAW,CAAA,GAEzD,SAAS,cAAc,OAAO,QAAQ,KACpC,cAAuC,eAAe,UAAU,EAAI,GACtE,aAAa,eAAe,cAAc,KAAK,SAAS;AAE9D,WAAO,QAAQ,KAAK,IAAI,OAAO,OAAO,IAAI,UAAU,GACpD,OAAO,SAAS,KAAK,IAAI,OAAO,QAAQ,IAAI,UAAU,GAEtD,eAAe,QAAQ,OAAO,OAC9B,eAAe,SAAS,OAAO,QAC/B,eAAe,aAAa,YAC5B,eAAe,gBAAf,eAAe,cAAgB,KAAK,SAAS;AAEvC,UAAA,gBAAgB,cAAc,OAAO,cAAc;AAEpD,SAAA,YAAY,KAAK,CAAC,OAAO,GAC9B,KAAK,YAAY,KAAK,CAAC,OAAO;AAE9B,UAAM,YAAY,cAAc;AAEhC,WAAA,cAAc,YAAY,eAE1B,KAAK,SAAS,OAAO,eAAe;AAAA,MAChC;AAAA,MACA,WAAW,KAAK;AAAA,MAChB,qBAAqB,CAAC,CAAC,cAAc;AAAA,MACrC,MAAM;AAAA,IACT,CAAA,GAED,cAAc,YAAY,WAEnB;AAAA,EACX;AAAA,EAEA,UACA;AAAA,EAEA;AACJ;AA1Ea,sBAGF,YAA+B;AAAA,EAClC,MAAM;AAAA,IACF,cAAc;AAAA,IACd,cAAc;AAAA,EAClB;AAAA,EACA,MAAM;AACV;AAmEJ,WAAW,IAAI,qBAAqB;"} |