@soarlin/angular-color-thief/fesm2022/soarlin-angular-color-thief.mjs.map

Rewirte ColorThief as a Angular service

{"version":3,"file":"soarlin-angular-color-thief.mjs","sources":["../../../projects/color-thief/src/lib/color-thief.service.ts","../../../projects/color-thief/src/lib/color-thief.module.ts","../../../projects/color-thief/src/public-api.ts","../../../projects/color-thief/src/soarlin-angular-color-thief.ts"],"sourcesContent":["import { Injectable } from '@angular/core';\nimport quantize from 'quantize';\n\ntype RGB = [number, number, number];\n\n@Injectable({\n  providedIn: 'root'\n})\nexport class ColorThiefService {\n  private canvas: HTMLCanvasElement;\n  private context: CanvasRenderingContext2D;\n  private pixelCount: number;\n  private quality: number;\n\n  constructor() {\n    this.canvas = document.createElement('canvas');\n    this.context = this.canvas.getContext('2d')!;\n    this.pixelCount = 10000;\n    this.quality = 10;\n  }\n\n  getColor(sourceImage: HTMLImageElement, quality: number = 10): RGB {\n    const palette = this.getPalette(sourceImage, 5, quality);\n    return palette[0];\n  }\n\n  getPalette(sourceImage: HTMLImageElement, colorCount: number = 10, quality: number = 10): RGB[] {\n    if (typeof colorCount === 'undefined' || colorCount < 2 || colorCount > 256) {\n      colorCount = 10;\n    }\n    if (typeof quality === 'undefined' || quality < 1) {\n      quality = 10;\n    }\n\n    // Create custom CanvasRenderingContext2D from the image\n    const imageWidth = sourceImage.naturalWidth || sourceImage.width;\n    const imageHeight = sourceImage.naturalHeight || sourceImage.height;\n    this.canvas.width = imageWidth;\n    this.canvas.height = imageHeight;\n    this.context.clearRect(0, 0, imageWidth, imageHeight);\n    this.context.drawImage(sourceImage, 0, 0, imageWidth, imageHeight);\n\n    const imageData = this.context.getImageData(0, 0, imageWidth, imageHeight);\n    const pixels = imageData.data;\n    const pixelCount = imageWidth * imageHeight;\n\n    const pixelArray: RGB[] = [];\n    for (let i = 0, offset, r, g, b, a; i < pixelCount; i = i + quality) {\n      offset = i * 4;\n      r = pixels[offset + 0];\n      g = pixels[offset + 1];\n      b = pixels[offset + 2];\n      a = pixels[offset + 3];\n\n      // If pixel is mostly opaque and not white\n      if (a >= 125) {\n        if (!(r > 250 && g > 250 && b > 250)) {\n          pixelArray.push([r, g, b]);\n        }\n      }\n    }\n\n    // Use quantize to build the color palette\n    const cmap = quantize(pixelArray, colorCount);\n    const palette = cmap ? cmap.palette() as RGB[] : [];\n\n    return palette;\n  }\n\n  async getPaletteFromUrl(imageUrl: string, count = 5, quality = 10): Promise<RGB[]> {\n    try {\n      const img = new Image();\n      img.src = imageUrl;\n\n      await new Promise<void>((resolve, reject) => {\n        img.onload = () => resolve();\n        img.onerror = reject;\n      });\n\n      return this.getPalette(img, count, quality);\n    } catch (error) {\n      throw new Error(`Failed to load image: ${error instanceof Error ? error.message : String(error)}`);\n    }\n  }\n}\n","import { NgModule } from '@angular/core';\nimport { ColorThiefService } from './color-thief.service';\n\n@NgModule({\n  providers: [ColorThiefService]\n})\nexport class ColorThiefModule { }","/*\n * Public API Surface of ng-color-thief\n */\n\nexport * from './lib/color-thief.service';\nexport * from './lib/color-thief.module';\n","/**\n * Generated bundle index. 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