| 1 | {"version":3,"file":"createCanvasContext.js","sources":["../../../src/api/canvas/createCanvasContext.ts"],"sourcesContent":["import Taro from '@tarojs/api'\r\n\r\nimport { findDOM } from '../../utils'\r\nimport { CanvasContext } from './CanvasContext'\r\n\r\n/**\r\n * 创建 canvas 的绘图上下文 CanvasContext 对象\r\n */\r\nexport const createCanvasContext: typeof Taro.createCanvasContext = (canvasId, inst) => {\r\n const el = findDOM(inst) as HTMLElement\r\n const canvas = el?.querySelector(`canvas[canvas-id=\"${canvasId}\"]`) as HTMLCanvasElement\r\n const ctx = canvas?.getContext('2d') as CanvasRenderingContext2D\r\n const context = new CanvasContext(canvas, ctx)\r\n if (!ctx) return context\r\n context.canvas = canvas\r\n context.ctx = ctx\r\n\r\n return context\r\n}\r\n"],"names":[],"mappings":";;;AAKA;;AAEG;MACU,mBAAmB,GAAoC,CAAC,QAAQ,EAAE,IAAI,KAAI;AACrF,IAAA,MAAM,EAAE,GAAG,OAAO,CAAC,IAAI,CAAgB,CAAA;AACvC,IAAA,MAAM,MAAM,GAAG,EAAE,KAAA,IAAA,IAAF,EAAE,KAAF,KAAA,CAAA,GAAA,KAAA,CAAA,GAAA,EAAE,CAAE,aAAa,CAAC,CAAA,kBAAA,EAAqB,QAAQ,CAAA,EAAA,CAAI,CAAsB,CAAA;AACxF,IAAA,MAAM,GAAG,GAAG,MAAM,KAAA,IAAA,IAAN,MAAM,KAAA,KAAA,CAAA,GAAA,KAAA,CAAA,GAAN,MAAM,CAAE,UAAU,CAAC,IAAI,CAA6B,CAAA;IAChE,MAAM,OAAO,GAAG,IAAI,aAAa,CAAC,MAAM,EAAE,GAAG,CAAC,CAAA;AAC9C,IAAA,IAAI,CAAC,GAAG;AAAE,QAAA,OAAO,OAAO,CAAA;AACxB,IAAA,OAAO,CAAC,MAAM,GAAG,MAAM,CAAA;AACvB,IAAA,OAAO,CAAC,GAAG,GAAG,GAAG,CAAA;AAEjB,IAAA,OAAO,OAAO,CAAA;AAChB;;;;"} |