Initial commit

2025-05-30 18:13:30 +08:00
commit e49726988c
@@ -0,0 +1,7 @@
+{
+  "version": 3,
+  "sources": ["../../src/index.ts", "../../src/constants/index.ts", "../../src/constants/bt709.ts", "../../src/conversion/index.ts", "../../src/conversion/rgb2xyz.ts", "../../src/utils/arithmetic.ts", "../../src/conversion/rgb2hsl.ts", "../../src/conversion/xyz2lab.ts", "../../src/conversion/rgb2lab.ts", "../../src/conversion/lab2xyz.ts", "../../src/conversion/xyz2rgb.ts", "../../src/conversion/lab2rgb.ts", "../../src/distance/index.ts", "../../src/distance/distanceCalculator.ts", "../../src/distance/cie94.ts", "../../src/distance/ciede2000.ts", "../../src/distance/cmetric.ts", "../../src/distance/euclidean.ts", "../../src/distance/manhattan.ts", "../../src/distance/pngQuant.ts", "../../src/palette/index.ts", "../../src/palette/paletteQuantizer.ts", "../../src/utils/point.ts", "../../src/utils/pointContainer.ts", "../../src/utils/palette.ts", "../../src/utils/index.ts", "../../src/utils/hueStatistics.ts", "../../src/utils/progressTracker.ts", "../../src/palette/neuquant/neuquant.ts", "../../src/palette/neuquant/neuquantFloat.ts", "../../src/palette/rgbquant/colorHistogram.ts", "../../src/palette/rgbquant/rgbquant.ts", "../../src/palette/wu/wuQuant.ts", "../../src/image/index.ts", "../../src/image/imageQuantizer.ts", "../../src/image/nearestColor.ts", "../../src/image/array.ts", "../../src/image/spaceFillingCurves/hilbertCurve.ts", "../../src/image/riemersma.ts", "../../src/quality/index.ts", "../../src/quality/ssim.ts", "../../src/basicAPI.ts"],
+  "sourcesContent": ["/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * iq.ts - Image Quantization Library\n */\nimport * as constants from './constants';\nimport * as conversion from './conversion';\nimport * as distance from './distance';\nimport * as palette from './palette';\nimport * as image from './image';\nimport * as quality from './quality';\nimport * as utils from './utils';\n\nexport {\n  buildPalette,\n  buildPaletteSync,\n  applyPalette,\n  applyPaletteSync,\n} from './basicAPI';\n\nexport type {\n  ImageQuantization,\n  PaletteQuantization,\n  ColorDistanceFormula,\n} from './basicAPI';\n\nexport { constants, conversion, distance, palette, image, quality, utils };\n", "/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * constants.ts - part of Image Quantization Library\n */\nimport * as bt709 from './bt709';\n\nexport { bt709 };\n", "/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * constants.ts - part of Image Quantization Library\n */\n\n/**\n * sRGB (based on ITU-R Recommendation BT.709)\n * http://en.wikipedia.org/wiki/SRGB\n */\nexport enum Y {\n  RED = 0.2126,\n  GREEN = 0.7152,\n  BLUE = 0.0722,\n  WHITE = 1,\n}\n\nexport enum x {\n  RED = 0.64,\n  GREEN = 0.3,\n  BLUE = 0.15,\n  WHITE = 0.3127,\n}\n\nexport enum y {\n  RED = 0.33,\n  GREEN = 0.6,\n  BLUE = 0.06,\n  WHITE = 0.329,\n}\n", "/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * iq.ts - Image Quantization Library\n */\nexport { rgb2xyz } from './rgb2xyz';\nexport { rgb2hsl } from './rgb2hsl';\nexport { rgb2lab } from './rgb2lab';\nexport { lab2xyz } from './lab2xyz';\nexport { lab2rgb } from './lab2rgb';\nexport { xyz2lab } from './xyz2lab';\nexport { xyz2rgb } from './xyz2rgb';\n", "/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * rgb2xyz.ts - part of Image Quantization Library\n */\nfunction correctGamma(n: number) {\n  return n > 0.04045 ? ((n + 0.055) / 1.055) ** 2.4 : n / 12.92;\n}\n\nexport function rgb2xyz(r: number, g: number, b: number) {\n  // gamma correction, see https://en.wikipedia.org/wiki/SRGB#The_reverse_transformation\n  r = correctGamma(r / 255);\n  g = correctGamma(g / 255);\n  b = correctGamma(b / 255);\n\n  // Observer. = 2\u00B0, Illuminant = D65\n  return {\n    x: r * 0.4124 + g * 0.3576 + b * 0.1805,\n    y: r * 0.2126 + g * 0.7152 + b * 0.0722,\n    z: r * 0.0193 + g * 0.1192 + b * 0.9505,\n  };\n}\n", "export function degrees2radians(n: number) {\n  return n * (Math.PI / 180);\n}\n\nexport function max3(a: number, b: number, c: number) {\n  let m = a;\n  if (m < b) m = b;\n  if (m < c) m = c;\n  return m;\n}\n\nexport function min3(a: number, b: number, c: number) {\n  let m = a;\n  if (m > b) m = b;\n  if (m > c) m = c;\n  return m;\n}\n\nexport function intInRange(value: number, low: number, high: number) {\n  if (value > high) value = high;\n  if (value < low) value = low;\n  return value | 0;\n}\n\nexport function inRange0to255Rounded(n: number) {\n  n = Math.round(n);\n  if (n > 255) n = 255;\n  else if (n < 0) n = 0;\n  return n;\n}\n\nexport function inRange0to255(n: number) {\n  if (n > 255) n = 255;\n  else if (n < 0) n = 0;\n  return n;\n}\n\nexport function stableSort<T>(\n  arrayToSort: T[],\n  callback: (a: T, b: T) => number,\n) {\n  const type = typeof arrayToSort[0];\n  let sorted: T[];\n\n  if (type === 'number' || type === 'string') {\n    const ord = Object.create(null);\n    for (let i = 0, l = arrayToSort.length; i < l; i++) {\n      const val = arrayToSort[i] as unknown as string;\n      if (ord[val] || ord[val] === 0) continue;\n      ord[val] = i;\n    }\n\n    sorted = arrayToSort.sort((a, b) => callback(a, b) || ord[a] - ord[b]);\n  } else {\n    const ord2 = arrayToSort.slice(0);\n    sorted = arrayToSort.sort(\n      (a, b) => callback(a, b) || ord2.indexOf(a) - ord2.indexOf(b),\n    );\n  }\n\n  return sorted;\n}\n", "/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * rgb2hsl.ts - part of Image Quantization Library\n */\nimport { min3, max3 } from '../utils/arithmetic';\n\n/**\n * Calculate HSL from RGB\n * Hue is in degrees [0..360]\n * Lightness: [0..1]\n * Saturation: [0..1]\n * http://web.archive.org/web/20060914040436/http://local.wasp.uwa.edu.au/~pbourke/colour/hsl/\n */\nexport function rgb2hsl(r: number, g: number, b: number) {\n  const min = min3(r, g, b);\n  const max = max3(r, g, b);\n  const delta = max - min;\n  const l = (min + max) / 510;\n\n  let s = 0;\n  if (l > 0 && l < 1) s = delta / (l < 0.5 ? max + min : 510 - max - min);\n\n  let h = 0;\n  if (delta > 0) {\n    if (max === r) {\n      h = (g - b) / delta;\n    } else if (max === g) {\n      h = 2 + (b - r) / delta;\n    } else {\n      h = 4 + (r - g) / delta;\n    }\n\Line truncated
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truncated
+  "names": []
+}
@@ -0,0 +1,7 @@
+{
+  "version": 3,
+  "sources": ["../../src/constants/index.ts", "../../src/constants/bt709.ts", "../../src/conversion/index.ts", "../../src/conversion/rgb2xyz.ts", "../../src/utils/arithmetic.ts", "../../src/conversion/rgb2hsl.ts", "../../src/conversion/xyz2lab.ts", "../../src/conversion/rgb2lab.ts", "../../src/conversion/lab2xyz.ts", "../../src/conversion/xyz2rgb.ts", "../../src/conversion/lab2rgb.ts", "../../src/distance/index.ts", "../../src/distance/distanceCalculator.ts", "../../src/distance/cie94.ts", "../../src/distance/ciede2000.ts", "../../src/distance/cmetric.ts", "../../src/distance/euclidean.ts", "../../src/distance/manhattan.ts", "../../src/distance/pngQuant.ts", "../../src/palette/index.ts", "../../src/palette/paletteQuantizer.ts", "../../src/utils/point.ts", "../../src/utils/pointContainer.ts", "../../src/utils/palette.ts", "../../src/utils/index.ts", "../../src/utils/hueStatistics.ts", "../../src/utils/progressTracker.ts", "../../src/palette/neuquant/neuquant.ts", "../../src/palette/neuquant/neuquantFloat.ts", "../../src/palette/rgbquant/colorHistogram.ts", "../../src/palette/rgbquant/rgbquant.ts", "../../src/palette/wu/wuQuant.ts", "../../src/image/index.ts", "../../src/image/imageQuantizer.ts", "../../src/image/nearestColor.ts", "../../src/image/array.ts", "../../src/image/spaceFillingCurves/hilbertCurve.ts", "../../src/image/riemersma.ts", "../../src/quality/index.ts", "../../src/quality/ssim.ts", "../../src/basicAPI.ts", "../../src/index.ts"],
+  "sourcesContent": ["/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * constants.ts - part of Image Quantization Library\n */\nimport * as bt709 from './bt709';\n\nexport { bt709 };\n", "/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * constants.ts - part of Image Quantization Library\n */\n\n/**\n * sRGB (based on ITU-R Recommendation BT.709)\n * http://en.wikipedia.org/wiki/SRGB\n */\nexport enum Y {\n  RED = 0.2126,\n  GREEN = 0.7152,\n  BLUE = 0.0722,\n  WHITE = 1,\n}\n\nexport enum x {\n  RED = 0.64,\n  GREEN = 0.3,\n  BLUE = 0.15,\n  WHITE = 0.3127,\n}\n\nexport enum y {\n  RED = 0.33,\n  GREEN = 0.6,\n  BLUE = 0.06,\n  WHITE = 0.329,\n}\n", "/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * iq.ts - Image Quantization Library\n */\nexport { rgb2xyz } from './rgb2xyz';\nexport { rgb2hsl } from './rgb2hsl';\nexport { rgb2lab } from './rgb2lab';\nexport { lab2xyz } from './lab2xyz';\nexport { lab2rgb } from './lab2rgb';\nexport { xyz2lab } from './xyz2lab';\nexport { xyz2rgb } from './xyz2rgb';\n", "/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * rgb2xyz.ts - part of Image Quantization Library\n */\nfunction correctGamma(n: number) {\n  return n > 0.04045 ? ((n + 0.055) / 1.055) ** 2.4 : n / 12.92;\n}\n\nexport function rgb2xyz(r: number, g: number, b: number) {\n  // gamma correction, see https://en.wikipedia.org/wiki/SRGB#The_reverse_transformation\n  r = correctGamma(r / 255);\n  g = correctGamma(g / 255);\n  b = correctGamma(b / 255);\n\n  // Observer. = 2\u00B0, Illuminant = D65\n  return {\n    x: r * 0.4124 + g * 0.3576 + b * 0.1805,\n    y: r * 0.2126 + g * 0.7152 + b * 0.0722,\n    z: r * 0.0193 + g * 0.1192 + b * 0.9505,\n  };\n}\n", "export function degrees2radians(n: number) {\n  return n * (Math.PI / 180);\n}\n\nexport function max3(a: number, b: number, c: number) {\n  let m = a;\n  if (m < b) m = b;\n  if (m < c) m = c;\n  return m;\n}\n\nexport function min3(a: number, b: number, c: number) {\n  let m = a;\n  if (m > b) m = b;\n  if (m > c) m = c;\n  return m;\n}\n\nexport function intInRange(value: number, low: number, high: number) {\n  if (value > high) value = high;\n  if (value < low) value = low;\n  return value | 0;\n}\n\nexport function inRange0to255Rounded(n: number) {\n  n = Math.round(n);\n  if (n > 255) n = 255;\n  else if (n < 0) n = 0;\n  return n;\n}\n\nexport function inRange0to255(n: number) {\n  if (n > 255) n = 255;\n  else if (n < 0) n = 0;\n  return n;\n}\n\nexport function stableSort<T>(\n  arrayToSort: T[],\n  callback: (a: T, b: T) => number,\n) {\n  const type = typeof arrayToSort[0];\n  let sorted: T[];\n\n  if (type === 'number' || type === 'string') {\n    const ord = Object.create(null);\n    for (let i = 0, l = arrayToSort.length; i < l; i++) {\n      const val = arrayToSort[i] as unknown as string;\n      if (ord[val] || ord[val] === 0) continue;\n      ord[val] = i;\n    }\n\n    sorted = arrayToSort.sort((a, b) => callback(a, b) || ord[a] - ord[b]);\n  } else {\n    const ord2 = arrayToSort.slice(0);\n    sorted = arrayToSort.sort(\n      (a, b) => callback(a, b) || ord2.indexOf(a) - ord2.indexOf(b),\n    );\n  }\n\n  return sorted;\n}\n", "/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * rgb2hsl.ts - part of Image Quantization Library\n */\nimport { min3, max3 } from '../utils/arithmetic';\n\n/**\n * Calculate HSL from RGB\n * Hue is in degrees [0..360]\n * Lightness: [0..1]\n * Saturation: [0..1]\n * http://web.archive.org/web/20060914040436/http://local.wasp.uwa.edu.au/~pbourke/colour/hsl/\n */\nexport function rgb2hsl(r: number, g: number, b: number) {\n  const min = min3(r, g, b);\n  const max = max3(r, g, b);\n  const delta = max - min;\n  const l = (min + max) / 510;\n\n  let s = 0;\n  if (l > 0 && l < 1) s = delta / (l < 0.5 ? max + min : 510 - max - min);\n\n  let h = 0;\n  if (delta > 0) {\n    if (max === r) {\n      h = (g - b) / delta;\n    } else if (max === g) {\n      h = 2 + (b - r) / delta;\n    } else {\n      h = 4 + (r - g) / delta;\n    }\n\n    h *= 60;\n    if (h < 0) h += 360;\n  }\n  return { h, s, l };\n}\n", "/**\n * @preserve\n * Copyright 2015-2018 Igor Bezkrovnyi\n * All rights reserved. (MIT Licensed)\n *\n * xyz2lab.ts - part of Image Quantization Library\n */\nconst refX = 0.95047; // ref_X =  95.047   Observer= 2\u00B0, Illuminant= D65\nconst refY = 1.0; // ref_Y = 100.000\nconst refZ = 1.08883; // ref_Z = 108.883\n\nfunction pivot(n: number) {\n  return n > 0.008856 ? n ** (1 / 3) : 7.787 * n + 16 / 116;\n}\n\nexport function xyz2lab(x: number, y: number, z: number) {\n  x = pivot(x / refX);\n  y = pivot(y / refY);\n  z = pivot(z / refZ);\n\n  if (116 * y - 16 < 0) throw new Error('xxx');\n  return {\n    L: Math.max(0, 116 * y - 16),\n    Line truncated
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truncated
+  "names": []
+}
@@ -0,0 +1,22 @@
+import { PointContainer } from './utils/pointContainer';
+import { Palette } from './utils/palette';
+export declare type ColorDistanceFormula = 'cie94-textiles' | 'cie94-graphic-arts' | 'ciede2000' | 'color-metric' | 'euclidean' | 'euclidean-bt709-noalpha' | 'euclidean-bt709' | 'manhattan' | 'manhattan-bt709' | 'manhattan-nommyde' | 'pngquant';
+export declare type PaletteQuantization = 'neuquant' | 'neuquant-float' | 'rgbquant' | 'wuquant';
+export declare type ImageQuantization = 'nearest' | 'riemersma' | 'floyd-steinberg' | 'false-floyd-steinberg' | 'stucki' | 'atkinson' | 'jarvis' | 'burkes' | 'sierra' | 'two-sierra' | 'sierra-lite';
+export interface ProgressOptions {
+    onProgress?: (progress: number) => void;
+}
+export interface ApplyPaletteOptions {
+    colorDistanceFormula?: ColorDistanceFormula;
+    imageQuantization?: ImageQuantization;
+}
+export interface BuildPaletteOptions {
+    colorDistanceFormula?: ColorDistanceFormula;
+    paletteQuantization?: PaletteQuantization;
+    colors?: number;
+}
+export declare function buildPaletteSync(images: PointContainer[], { colorDistanceFormula, paletteQuantization, colors, }?: BuildPaletteOptions): Palette;
+export declare function buildPalette(images: PointContainer[], { colorDistanceFormula, paletteQuantization, colors, onProgress, }?: BuildPaletteOptions & ProgressOptions): Promise<Palette>;
+export declare function applyPaletteSync(image: PointContainer, palette: Palette, { colorDistanceFormula, imageQuantization }?: ApplyPaletteOptions): PointContainer;
+export declare function applyPalette(image: PointContainer, palette: Palette, { colorDistanceFormula, imageQuantization, onProgress, }?: ApplyPaletteOptions & ProgressOptions): Promise<PointContainer>;
+//# sourceMappingURL=basicAPI.d.ts.map
@@ -0,0 +1 @@
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@@ -0,0 +1,30 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * constants.ts - part of Image Quantization Library
+ */
+/**
+ * sRGB (based on ITU-R Recommendation BT.709)
+ * http://en.wikipedia.org/wiki/SRGB
+ */
+export declare enum Y {
+    RED = 0.2126,
+    GREEN = 0.7152,
+    BLUE = 0.0722,
+    WHITE = 1
+}
+export declare enum x {
+    RED = 0.64,
+    GREEN = 0.3,
+    BLUE = 0.15,
+    WHITE = 0.3127
+}
+export declare enum y {
+    RED = 0.33,
+    GREEN = 0.6,
+    BLUE = 0.06,
+    WHITE = 0.329
+}
+//# sourceMappingURL=bt709.d.ts.map
@@ -0,0 +1 @@
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@@ -0,0 +1,10 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * constants.ts - part of Image Quantization Library
+ */
+import * as bt709 from './bt709';
+export { bt709 };
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
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@@ -0,0 +1,15 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * iq.ts - Image Quantization Library
+ */
+export { rgb2xyz } from './rgb2xyz';
+export { rgb2hsl } from './rgb2hsl';
+export { rgb2lab } from './rgb2lab';
+export { lab2xyz } from './lab2xyz';
+export { lab2rgb } from './lab2rgb';
+export { xyz2lab } from './xyz2lab';
+export { xyz2rgb } from './xyz2rgb';
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/conversion/index.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AACpC,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AACpC,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AACpC,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AACpC,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AACpC,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AACpC,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC"}
@@ -0,0 +1,6 @@
+export declare function lab2rgb(L: number, a: number, b: number): {
+    r: number;
+    g: number;
+    b: number;
+};
+//# sourceMappingURL=lab2rgb.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"lab2rgb.d.ts","sourceRoot":"","sources":["../../../../src/conversion/lab2rgb.ts"],"names":[],"mappings":"AAUA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAGtD"}
@@ -0,0 +1,6 @@
+export declare function lab2xyz(L: number, a: number, b: number): {
+    x: number;
+    y: number;
+    z: number;
+};
+//# sourceMappingURL=lab2xyz.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"lab2xyz.d.ts","sourceRoot":"","sources":["../../../../src/conversion/lab2xyz.ts"],"names":[],"mappings":"AAeA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAUtD"}
@@ -0,0 +1,13 @@
+/**
+ * Calculate HSL from RGB
+ * Hue is in degrees [0..360]
+ * Lightness: [0..1]
+ * Saturation: [0..1]
+ * http://web.archive.org/web/20060914040436/http://local.wasp.uwa.edu.au/~pbourke/colour/hsl/
+ */
+export declare function rgb2hsl(r: number, g: number, b: number): {
+    h: number;
+    s: number;
+    l: number;
+};
+//# sourceMappingURL=rgb2hsl.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"rgb2hsl.d.ts","sourceRoot":"","sources":["../../../../src/conversion/rgb2hsl.ts"],"names":[],"mappings":"AASA;;;;;;GAMG;AACH,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAuBtD"}
@@ -0,0 +1,6 @@
+export declare function rgb2lab(r: number, g: number, b: number): {
+    L: number;
+    a: number;
+    b: number;
+};
+//# sourceMappingURL=rgb2lab.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"rgb2lab.d.ts","sourceRoot":"","sources":["../../../../src/conversion/rgb2lab.ts"],"names":[],"mappings":"AAUA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAGtD"}
@@ -0,0 +1,6 @@
+export declare function rgb2xyz(r: number, g: number, b: number): {
+    x: number;
+    y: number;
+    z: number;
+};
+//# sourceMappingURL=rgb2xyz.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"rgb2xyz.d.ts","sourceRoot":"","sources":["../../../../src/conversion/rgb2xyz.ts"],"names":[],"mappings":"AAWA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAYtD"}
@@ -0,0 +1,6 @@
+export declare function xyz2lab(x: number, y: number, z: number): {
+    L: number;
+    a: number;
+    b: number;
+};
+//# sourceMappingURL=xyz2lab.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"xyz2lab.d.ts","sourceRoot":"","sources":["../../../../src/conversion/xyz2lab.ts"],"names":[],"mappings":"AAeA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAWtD"}
@@ -0,0 +1,6 @@
+export declare function xyz2rgb(x: number, y: number, z: number): {
+    r: number;
+    g: number;
+    b: number;
+};
+//# sourceMappingURL=xyz2rgb.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"xyz2rgb.d.ts","sourceRoot":"","sources":["../../../../src/conversion/xyz2rgb.ts"],"names":[],"mappings":"AAcA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAWtD"}
@@ -0,0 +1,31 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * cie94.ts - part of Image Quantization Library
+ */
+import { AbstractDistanceCalculator } from './distanceCalculator';
+/**
+ * CIE94 method of delta-e
+ * http://en.wikipedia.org/wiki/Color_difference#CIE94
+ */
+export declare abstract class AbstractCIE94 extends AbstractDistanceCalculator {
+    /**
+     * Weight in distance: 0.25
+     * Max DeltaE: 100
+     * Max DeltaA: 255
+     */
+    protected _kA: number;
+    protected _Kl: number;
+    protected _K1: number;
+    protected _K2: number;
+    calculateRaw(r1: number, g1: number, b1: number, a1: number, r2: number, g2: number, b2: number, a2: number): number;
+}
+export declare class CIE94Textiles extends AbstractCIE94 {
+    protected _setDefaults(): void;
+}
+export declare class CIE94GraphicArts extends AbstractCIE94 {
+    protected _setDefaults(): void;
+}
+//# sourceMappingURL=cie94.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"cie94.d.ts","sourceRoot":"","sources":["../../../../src/distance/cie94.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,0BAA0B,EAAE,MAAM,sBAAsB,CAAC;AAIlE;;;GAGG;AACH,8BAAsB,aAAc,SAAQ,0BAA0B;IACpE;;;;OAIG;IACH,UAAkB,GAAG,EAAE,MAAM,CAAC;IAC9B,UAAkB,GAAG,EAAE,MAAM,CAAC;IAC9B,UAAkB,GAAG,EAAE,MAAM,CAAC;IAC9B,UAAkB,GAAG,EAAE,MAAM,CAAC;IAE9B,YAAY,CACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM;CAiCb;AAED,qBAAa,aAAc,SAAQ,aAAa;IAC9C,SAAS,CAAC,YAAY;CAMvB;AAED,qBAAa,gBAAiB,SAAQ,aAAa;IACjD,SAAS,CAAC,YAAY;CAMvB"}
@@ -0,0 +1,45 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * ciede2000.ts - part of Image Quantization Library
+ */
+import { AbstractDistanceCalculator } from './distanceCalculator';
+/**
+ * CIEDE2000 algorithm - Adapted from Sharma et al's MATLAB implementation at
+ * http://www.ece.rochester.edu/~gsharma/ciede2000/
+ */
+export declare class CIEDE2000 extends AbstractDistanceCalculator {
+    /**
+     * Weight in distance: 0.25
+     * Max DeltaE: 100
+     * Max DeltaA: 255
+     */
+    private static readonly _kA;
+    private static readonly _pow25to7;
+    private static readonly _deg360InRad;
+    private static readonly _deg180InRad;
+    private static readonly _deg30InRad;
+    private static readonly _deg6InRad;
+    private static readonly _deg63InRad;
+    private static readonly _deg275InRad;
+    private static readonly _deg25InRad;
+    protected _setDefaults(): void;
+    private static _calculatehp;
+    private static _calculateRT;
+    private static _calculateT;
+    private static _calculate_ahp;
+    private static _calculate_dHp;
+    calculateRaw(r1: number, g1: number, b1: number, a1: number, r2: number, g2: number, b2: number, a2: number): number;
+    calculateRawInLab(Lab1: {
+        L: number;
+        a: number;
+        b: number;
+    }, Lab2: {
+        L: number;
+        a: number;
+        b: number;
+    }): number;
+}
+//# sourceMappingURL=ciede2000.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"ciede2000.d.ts","sourceRoot":"","sources":["../../../../src/distance/ciede2000.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,0BAA0B,EAAE,MAAM,sBAAsB,CAAC;AAIlE;;;GAGG;AACH,qBAAa,SAAU,SAAQ,0BAA0B;IACvD;;;;OAIG;IACH,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,GAAG,CAAsB;IACjD,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,SAAS,CAAW;IAC5C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,YAAY,CAAwB;IAC5D,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,YAAY,CAAwB;IAC5D,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,WAAW,CAAuB;IAC1D,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,UAAU,CAAsB;IACxD,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,WAAW,CAAuB;IAC1D,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,YAAY,CAAwB;IAC5D,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,WAAW,CAAuB;IAE1D,SAAS,CAAC,YAAY;IAEtB,OAAO,CAAC,MAAM,CAAC,YAAY;IAM3B,OAAO,CAAC,MAAM,CAAC,YAAY;IAW3B,OAAO,CAAC,MAAM,CAAC,WAAW;IAU1B,OAAO,CAAC,MAAM,CAAC,cAAc;IAe7B,OAAO,CAAC,MAAM,CAAC,cAAc;IAmB7B,YAAY,CACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM;IAkBZ,iBAAiB,CACf,IAAI,EAAE;QAAE,CAAC,EAAE,MAAM,CAAC;QAAC,CAAC,EAAE,MAAM,CAAC;QAAC,CAAC,EAAE,MAAM,CAAA;KAAE,EACzC,IAAI,EAAE;QAAE,CAAC,EAAE,MAAM,CAAC;QAAC,CAAC,EAAE,MAAM,CAAC;QAAC,CAAC,EAAE,MAAM,CAAA;KAAE;CAuD5C"}
@@ -0,0 +1,16 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * cmetric.ts - part of Image Quantization Library
+ */
+import { AbstractDistanceCalculator } from './distanceCalculator';
+/**
+ * TODO: Name it: http://www.compuphase.com/cmetric.htm
+ */
+export declare class CMetric extends AbstractDistanceCalculator {
+    calculateRaw(r1: number, g1: number, b1: number, a1: number, r2: number, g2: number, b2: number, a2: number): number;
+    protected _setDefaults(): void;
+}
+//# sourceMappingURL=cmetric.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"cmetric.d.ts","sourceRoot":"","sources":["../../../../src/distance/cmetric.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,0BAA0B,EAAE,MAAM,sBAAsB,CAAC;AAElE;;GAEG;AACH,qBAAa,OAAQ,SAAQ,0BAA0B;IACrD,YAAY,CACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM;IAeZ,SAAS,CAAC,YAAY;CACvB"}
@@ -0,0 +1,26 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * common.ts - part of Image Quantization Library
+ */
+import { PointRGBA } from '../utils/point';
+export declare abstract class AbstractDistanceCalculator {
+    protected _maxDistance: number;
+    protected _whitePoint: {
+        r: number;
+        g: number;
+        b: number;
+        a: number;
+    };
+    constructor();
+    setWhitePoint(r: number, g: number, b: number, a: number): void;
+    calculateNormalized(colorA: PointRGBA, colorB: PointRGBA): number;
+    /**
+     * Calculate raw distance (non-normalized)
+     */
+    abstract calculateRaw(r1: number, g1: number, b1: number, a1: number, r2: number, g2: number, b2: number, a2: number): number;
+    protected abstract _setDefaults(): void;
+}
+//# sourceMappingURL=distanceCalculator.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"distanceCalculator.d.ts","sourceRoot":"","sources":["../../../../src/distance/distanceCalculator.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,SAAS,EAAE,MAAM,gBAAgB,CAAC;AAE3C,8BAAsB,0BAA0B;IAC9C,SAAS,CAAC,YAAY,EAAG,MAAM,CAAC;IAChC,SAAS,CAAC,WAAW,EAAG;QACtB,CAAC,EAAE,MAAM,CAAC;QACV,CAAC,EAAE,MAAM,CAAC;QACV,CAAC,EAAE,MAAM,CAAC;QACV,CAAC,EAAE,MAAM,CAAC;KACX,CAAC;;IASF,aAAa,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;IAUxD,mBAAmB,CAAC,MAAM,EAAE,SAAS,EAAE,MAAM,EAAE,SAAS;IAexD;;OAEG;IACH,QAAQ,CAAC,YAAY,CACnB,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,GACT,MAAM;IAET,SAAS,CAAC,QAAQ,CAAC,YAAY,IAAI,IAAI;CACxC"}
@@ -0,0 +1,34 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * euclidean.ts - part of Image Quantization Library
+ */
+import { AbstractDistanceCalculator } from './distanceCalculator';
+/**
+ * Euclidean color distance
+ */
+export declare abstract class AbstractEuclidean extends AbstractDistanceCalculator {
+    protected _kR: number;
+    protected _kG: number;
+    protected _kB: number;
+    protected _kA: number;
+    calculateRaw(r1: number, g1: number, b1: number, a1: number, r2: number, g2: number, b2: number, a2: number): number;
+}
+export declare class Euclidean extends AbstractEuclidean {
+    protected _setDefaults(): void;
+}
+/**
+ * Euclidean color distance (RGBQuant modification w Alpha)
+ */
+export declare class EuclideanBT709 extends AbstractEuclidean {
+    protected _setDefaults(): void;
+}
+/**
+ * Euclidean color distance (RGBQuant modification w/o Alpha)
+ */
+export declare class EuclideanBT709NoAlpha extends AbstractEuclidean {
+    protected _setDefaults(): void;
+}
+//# sourceMappingURL=euclidean.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"euclidean.d.ts","sourceRoot":"","sources":["../../../../src/distance/euclidean.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,0BAA0B,EAAE,MAAM,sBAAsB,CAAC;AAGlE;;GAEG;AACH,8BAAsB,iBAAkB,SAAQ,0BAA0B;IACxE,UAAkB,GAAG,EAAE,MAAM,CAAC;IAC9B,UAAkB,GAAG,EAAE,MAAM,CAAC;IAC9B,UAAkB,GAAG,EAAE,MAAM,CAAC;IAC9B,UAAkB,GAAG,EAAE,MAAM,CAAC;IAE9B,YAAY,CACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM;CAab;AAED,qBAAa,SAAU,SAAQ,iBAAiB;IAC9C,SAAS,CAAC,YAAY;CAMvB;AAED;;GAEG;AACH,qBAAa,cAAe,SAAQ,iBAAiB;IACnD,SAAS,CAAC,YAAY;CAOvB;AAED;;GAEG;AACH,qBAAa,qBAAsB,SAAQ,iBAAiB;IAC1D,SAAS,CAAC,YAAY;CAMvB"}
@@ -0,0 +1,15 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * iq.ts - Image Quantization Library
+ */
+export { AbstractDistanceCalculator } from './distanceCalculator';
+export { CIE94Textiles, CIE94GraphicArts } from './cie94';
+export { CIEDE2000 } from './ciede2000';
+export { CMetric } from './cmetric';
+export { AbstractEuclidean, Euclidean, EuclideanBT709NoAlpha, EuclideanBT709, } from './euclidean';
+export { AbstractManhattan, Manhattan, ManhattanBT709, ManhattanNommyde, } from './manhattan';
+export { PNGQuant } from './pngQuant';
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/distance/index.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,0BAA0B,EAAE,MAAM,sBAAsB,CAAC;AAClE,OAAO,EAAE,aAAa,EAAE,gBAAgB,EAAE,MAAM,SAAS,CAAC;AAC1D,OAAO,EAAE,SAAS,EAAE,MAAM,aAAa,CAAC;AACxC,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AACpC,OAAO,EACL,iBAAiB,EACjB,SAAS,EACT,qBAAqB,EACrB,cAAc,GACf,MAAM,aAAa,CAAC;AACrB,OAAO,EACL,iBAAiB,EACjB,SAAS,EACT,cAAc,EACd,gBAAgB,GACjB,MAAM,aAAa,CAAC;AACrB,OAAO,EAAE,QAAQ,EAAE,MAAM,YAAY,CAAC"}
@@ -0,0 +1,35 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * manhattanNeuQuant.ts - part of Image Quantization Library
+ */
+import { AbstractDistanceCalculator } from './distanceCalculator';
+/**
+ * Manhattan distance (NeuQuant modification) - w/o sRGB coefficients
+ */
+export declare abstract class AbstractManhattan extends AbstractDistanceCalculator {
+    protected _kR: number;
+    protected _kG: number;
+    protected _kB: number;
+    protected _kA: number;
+    calculateRaw(r1: number, g1: number, b1: number, a1: number, r2: number, g2: number, b2: number, a2: number): number;
+}
+export declare class Manhattan extends AbstractManhattan {
+    protected _setDefaults(): void;
+}
+/**
+ * Manhattan distance (Nommyde modification)
+ * https://github.com/igor-bezkrovny/image-quantization/issues/4#issuecomment-235155320
+ */
+export declare class ManhattanNommyde extends AbstractManhattan {
+    protected _setDefaults(): void;
+}
+/**
+ * Manhattan distance (sRGB coefficients)
+ */
+export declare class ManhattanBT709 extends AbstractManhattan {
+    protected _setDefaults(): void;
+}
+//# sourceMappingURL=manhattan.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"manhattan.d.ts","sourceRoot":"","sources":["../../../../src/distance/manhattan.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,0BAA0B,EAAE,MAAM,sBAAsB,CAAC;AAGlE;;GAEG;AACH,8BAAsB,iBAAkB,SAAQ,0BAA0B;IACxE,UAAkB,GAAG,EAAE,MAAM,CAAC;IAC9B,UAAmB,GAAG,EAAE,MAAM,CAAC;IAC/B,UAAkB,GAAG,EAAE,MAAM,CAAC;IAC9B,UAAkB,GAAG,EAAE,MAAM,CAAC;IAE9B,YAAY,CACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM;CAab;AAED,qBAAa,SAAU,SAAQ,iBAAiB;IAC9C,SAAS,CAAC,YAAY;CAMvB;AAED;;;GAGG;AACH,qBAAa,gBAAiB,SAAQ,iBAAiB;IACrD,SAAS,CAAC,YAAY;CAOvB;AAED;;GAEG;AACH,qBAAa,cAAe,SAAQ,iBAAiB;IACnD,SAAS,CAAC,YAAY;CAOvB"}
@@ -0,0 +1,37 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * pngQuant.ts - part of Image Quantization Library
+ */
+import { AbstractDistanceCalculator } from './distanceCalculator';
+/**
+ * TODO: check quality of this distance equation
+ * TODO: ask author for usage rights
+ * taken from:
+ * {@link http://stackoverflow.com/questions/4754506/color-similarity-distance-in-rgba-color-space/8796867#8796867}
+ * {@link https://github.com/pornel/pngquant/blob/cc39b47799a7ff2ef17b529f9415ff6e6b213b8f/lib/pam.h#L148}
+ */
+export declare class PNGQuant extends AbstractDistanceCalculator {
+    /**
+     * Author's comments
+     * px_b.rgb = px.rgb + 0*(1-px.a) // blend px on black
+     * px_b.a   = px.a   + 1*(1-px.a)
+     * px_w.rgb = px.rgb + 1*(1-px.a) // blend px on white
+     * px_w.a   = px.a   + 1*(1-px.a)
+     *
+     * px_b.rgb = px.rgb              // difference same as in opaque RGB
+     * px_b.a   = 1
+     * px_w.rgb = px.rgb - px.a       // difference simplifies to formula below
+     * px_w.a   = 1
+     *
+     * (px.rgb - px.a) - (py.rgb - py.a)
+     * (px.rgb - py.rgb) + (py.a - px.a)
+     *
+     */
+    calculateRaw(r1: number, g1: number, b1: number, a1: number, r2: number, g2: number, b2: number, a2: number): number;
+    private _colordifferenceCh;
+    protected _setDefaults(): void;
+}
+//# sourceMappingURL=pngQuant.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"pngQuant.d.ts","sourceRoot":"","sources":["../../../../src/distance/pngQuant.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,0BAA0B,EAAE,MAAM,sBAAsB,CAAC;AAElE;;;;;;GAMG;AACH,qBAAa,QAAS,SAAQ,0BAA0B;IACtD;;;;;;;;;;;;;;;OAeG;IACH,YAAY,CACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM,EACV,EAAE,EAAE,MAAM;IAsBZ,OAAO,CAAC,kBAAkB;IAS1B,SAAS,CAAC,YAAY;CACvB"}
@@ -0,0 +1,41 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * ditherErrorDiffusionArray.ts - part of Image Quantization Library
+ */
+import { AbstractImageQuantizer } from './imageQuantizer';
+import { AbstractDistanceCalculator } from '../distance/distanceCalculator';
+import { PointContainer } from '../utils/pointContainer';
+import { Palette } from '../utils/palette';
+import { ImageQuantizerYieldValue } from './imageQuantizerYieldValue';
+export declare enum ErrorDiffusionArrayKernel {
+    FloydSteinberg = 0,
+    FalseFloydSteinberg = 1,
+    Stucki = 2,
+    Atkinson = 3,
+    Jarvis = 4,
+    Burkes = 5,
+    Sierra = 6,
+    TwoSierra = 7,
+    SierraLite = 8
+}
+export declare class ErrorDiffusionArray extends AbstractImageQuantizer {
+    private _minColorDistance;
+    private _serpentine;
+    private _kernel;
+    /** true = GIMP, false = XNVIEW */
+    private _calculateErrorLikeGIMP;
+    private _distance;
+    constructor(colorDistanceCalculator: AbstractDistanceCalculator, kernel: ErrorDiffusionArrayKernel, serpentine?: boolean, minimumColorDistanceToDither?: number, calculateErrorLikeGIMP?: boolean);
+    /**
+     * adapted from http://jsbin.com/iXofIji/2/edit by PAEz
+     * fixed version. it doesn't use image pixels as error storage, also it doesn't have 0.3 + 0.3 + 0.3 + 0.3 = 0 error
+     * Mutates pointContainer
+     */
+    quantize(pointContainer: PointContainer, palette: Palette): IterableIterator<ImageQuantizerYieldValue>;
+    private _fillErrorLine;
+    private _setKernel;
+}
+//# sourceMappingURL=array.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"array.d.ts","sourceRoot":"","sources":["../../../../src/image/array.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,sBAAsB,EAAE,MAAM,kBAAkB,CAAC;AAC1D,OAAO,EAAE,0BAA0B,EAAE,MAAM,gCAAgC,CAAC;AAC5E,OAAO,EAAE,cAAc,EAAE,MAAM,yBAAyB,CAAC;AACzD,OAAO,EAAE,OAAO,EAAE,MAAM,kBAAkB,CAAC;AAG3C,OAAO,EAAE,wBAAwB,EAAE,MAAM,4BAA4B,CAAC;AAItE,oBAAY,yBAAyB;IACnC,cAAc,IAAI;IAClB,mBAAmB,IAAA;IACnB,MAAM,IAAA;IACN,QAAQ,IAAA;IACR,MAAM,IAAA;IACN,MAAM,IAAA;IACN,MAAM,IAAA;IACN,SAAS,IAAA;IACT,UAAU,IAAA;CACX;AAGD,qBAAa,mBAAoB,SAAQ,sBAAsB;IAC7D,OAAO,CAAC,iBAAiB,CAAS;IAClC,OAAO,CAAC,WAAW,CAAU;IAC7B,OAAO,CAAC,OAAO,CAAc;IAC7B,kCAAkC;IAClC,OAAO,CAAC,uBAAuB,CAAU;IAEzC,OAAO,CAAC,SAAS,CAA6B;gBAG5C,uBAAuB,EAAE,0BAA0B,EACnD,MAAM,EAAE,yBAAyB,EACjC,UAAU,UAAO,EACjB,4BAA4B,SAAI,EAChC,sBAAsB,UAAQ;IAWhC;;;;OAIG;IACF,QAAQ,CACP,cAAc,EAAE,cAAc,EAC9B,OAAO,EAAE,OAAO,GACf,gBAAgB,CAAC,wBAAwB,CAAC;IAsH7C,OAAO,CAAC,cAAc;IAmBtB,OAAO,CAAC,UAAU;CAoHnB"}
@@ -0,0 +1,15 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * common.ts - part of Image Quantization Library
+ */
+import { PointContainer } from '../utils/pointContainer';
+import { Palette } from '../utils/palette';
+import { ImageQuantizerYieldValue } from './imageQuantizerYieldValue';
+export declare abstract class AbstractImageQuantizer {
+    abstract quantize(pointContainer: PointContainer, palette: Palette): IterableIterator<ImageQuantizerYieldValue>;
+    quantizeSync(pointContainer: PointContainer, palette: Palette): PointContainer;
+}
+//# sourceMappingURL=imageQuantizer.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"imageQuantizer.d.ts","sourceRoot":"","sources":["../../../../src/image/imageQuantizer.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,cAAc,EAAE,MAAM,yBAAyB,CAAC;AACzD,OAAO,EAAE,OAAO,EAAE,MAAM,kBAAkB,CAAC;AAC3C,OAAO,EAAE,wBAAwB,EAAE,MAAM,4BAA4B,CAAC;AAEtE,8BAAsB,sBAAsB;IAC1C,QAAQ,CAAC,QAAQ,CACf,cAAc,EAAE,cAAc,EAC9B,OAAO,EAAE,OAAO,GACf,gBAAgB,CAAC,wBAAwB,CAAC;IAE7C,YAAY,CAAC,cAAc,EAAE,cAAc,EAAE,OAAO,EAAE,OAAO;CAS9D"}
@@ -0,0 +1,6 @@
+import { PointContainer } from '../utils';
+export interface ImageQuantizerYieldValue {
+    progress: number;
+    pointContainer?: PointContainer;
+}
+//# sourceMappingURL=imageQuantizerYieldValue.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"imageQuantizerYieldValue.d.ts","sourceRoot":"","sources":["../../../../src/image/imageQuantizerYieldValue.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,cAAc,EAAE,MAAM,UAAU,CAAC;AAE1C,MAAM,WAAW,wBAAwB;IACvC,QAAQ,EAAE,MAAM,CAAC;IACjB,cAAc,CAAC,EAAE,cAAc,CAAC;CACjC"}
@@ -0,0 +1,13 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * iq.ts - Image Quantization Library
+ */
+export { AbstractImageQuantizer } from './imageQuantizer';
+export { ImageQuantizerYieldValue } from './imageQuantizerYieldValue';
+export { NearestColor } from './nearestColor';
+export { ErrorDiffusionArray, ErrorDiffusionArrayKernel } from './array';
+export { ErrorDiffusionRiemersma } from './riemersma';
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/image/index.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAE,sBAAsB,EAAE,MAAM,kBAAkB,CAAC;AAC1D,OAAO,EAAE,wBAAwB,EAAE,MAAM,4BAA4B,CAAC;AACtE,OAAO,EAAE,YAAY,EAAE,MAAM,gBAAgB,CAAC;AAC9C,OAAO,EAAE,mBAAmB,EAAE,yBAAyB,EAAE,MAAM,SAAS,CAAC;AACzE,OAAO,EAAE,uBAAuB,EAAE,MAAM,aAAa,CAAC"}
@@ -0,0 +1,21 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * nearestColor.ts - part of Image Quantization Library
+ */
+import { AbstractImageQuantizer } from './imageQuantizer';
+import { AbstractDistanceCalculator } from '../distance/distanceCalculator';
+import { PointContainer } from '../utils/pointContainer';
+import { Palette } from '../utils/palette';
+import { ImageQuantizerYieldValue } from './imageQuantizerYieldValue';
+export declare class NearestColor extends AbstractImageQuantizer {
+    private _distance;
+    constructor(colorDistanceCalculator: AbstractDistanceCalculator);
+    /**
+     * Mutates pointContainer
+     */
+    quantize(pointContainer: PointContainer, palette: Palette): IterableIterator<ImageQuantizerYieldValue>;
+}
+//# sourceMappingURL=nearestColor.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"nearestColor.d.ts","sourceRoot":"","sources":["../../../../src/image/nearestColor.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,sBAAsB,EAAE,MAAM,kBAAkB,CAAC;AAC1D,OAAO,EAAE,0BAA0B,EAAE,MAAM,gCAAgC,CAAC;AAC5E,OAAO,EAAE,cAAc,EAAE,MAAM,yBAAyB,CAAC;AACzD,OAAO,EAAE,OAAO,EAAE,MAAM,kBAAkB,CAAC;AAC3C,OAAO,EAAE,wBAAwB,EAAE,MAAM,4BAA4B,CAAC;AAGtE,qBAAa,YAAa,SAAQ,sBAAsB;IACtD,OAAO,CAAC,SAAS,CAA6B;gBAElC,uBAAuB,EAAE,0BAA0B;IAK/D;;OAEG;IACF,QAAQ,CACP,cAAc,EAAE,cAAc,EAC9B,OAAO,EAAE,OAAO,GACf,gBAAgB,CAAC,wBAAwB,CAAC;CAyB9C"}
@@ -0,0 +1,42 @@
+/**
+ * @preserve
+ * MIT License
+ *
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * riemersma.ts - part of Image Quantization Library
+ */
+import { AbstractImageQuantizer } from './imageQuantizer';
+import { AbstractDistanceCalculator } from '../distance/distanceCalculator';
+import { PointContainer } from '../utils/pointContainer';
+import { Palette } from '../utils/palette';
+export declare class ErrorDiffusionRiemersma extends AbstractImageQuantizer {
+    private _distance;
+    private _weights;
+    private _errorQueueSize;
+    constructor(colorDistanceCalculator: AbstractDistanceCalculator, errorQueueSize?: number, errorPropagation?: number);
+    /**
+     * Mutates pointContainer
+     */
+    quantize(pointContainer: PointContainer, palette: Palette): Generator<import("./imageQuantizerYieldValue").ImageQuantizerYieldValue, void, undefined>;
+    private static _createWeights;
+}
+//# sourceMappingURL=riemersma.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"riemersma.d.ts","sourceRoot":"","sources":["../../../../src/image/riemersma.ts"],"names":[],"mappings":"AAAA;;;;;;;;;;;;;;;;;;;;;;;;;GAyBG;AACH,OAAO,EAAE,sBAAsB,EAAE,MAAM,kBAAkB,CAAC;AAE1D,OAAO,EAAE,0BAA0B,EAAE,MAAM,gCAAgC,CAAC;AAC5E,OAAO,EAAE,cAAc,EAAE,MAAM,yBAAyB,CAAC;AACzD,OAAO,EAAE,OAAO,EAAE,MAAM,kBAAkB,CAAC;AAI3C,qBAAa,uBAAwB,SAAQ,sBAAsB;IACjE,OAAO,CAAC,SAAS,CAA6B;IAC9C,OAAO,CAAC,QAAQ,CAAW;IAC3B,OAAO,CAAC,eAAe,CAAS;gBAG9B,uBAAuB,EAAE,0BAA0B,EACnD,cAAc,SAAK,EACnB,gBAAgB,SAAI;IAWtB;;OAEG;IACF,QAAQ,CAAC,cAAc,EAAE,cAAc,EAAE,OAAO,EAAE,OAAO;IA8D1D,OAAO,CAAC,MAAM,CAAC,cAAc;CAgB9B"}
@@ -0,0 +1,3 @@
+import { ImageQuantizerYieldValue } from '../imageQuantizerYieldValue';
+export declare function hilbertCurve(width: number, height: number, callback: (x: number, y: number) => void): Generator<ImageQuantizerYieldValue, void, undefined>;
+//# sourceMappingURL=hilbertCurve.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"hilbertCurve.d.ts","sourceRoot":"","sources":["../../../../../src/image/spaceFillingCurves/hilbertCurve.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,wBAAwB,EAAE,MAAM,6BAA6B,CAAC;AAqBvE,wBAAiB,YAAY,CAC3B,KAAK,EAAE,MAAM,EACb,MAAM,EAAE,MAAM,EACd,QAAQ,EAAE,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,KAAK,IAAI,wDAiBzC"}
@@ -0,0 +1,18 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * iq.ts - Image Quantization Library
+ */
+import * as constants from './constants';
+import * as conversion from './conversion';
+import * as distance from './distance';
+import * as palette from './palette';
+import * as image from './image';
+import * as quality from './quality';
+import * as utils from './utils';
+export { buildPalette, buildPaletteSync, applyPalette, applyPaletteSync, } from './basicAPI';
+export type { ImageQuantization, PaletteQuantization, ColorDistanceFormula, } from './basicAPI';
+export { constants, conversion, distance, palette, image, quality, utils };
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../src/index.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,KAAK,SAAS,MAAM,aAAa,CAAC;AACzC,OAAO,KAAK,UAAU,MAAM,cAAc,CAAC;AAC3C,OAAO,KAAK,QAAQ,MAAM,YAAY,CAAC;AACvC,OAAO,KAAK,OAAO,MAAM,WAAW,CAAC;AACrC,OAAO,KAAK,KAAK,MAAM,SAAS,CAAC;AACjC,OAAO,KAAK,OAAO,MAAM,WAAW,CAAC;AACrC,OAAO,KAAK,KAAK,MAAM,SAAS,CAAC;AAEjC,OAAO,EACL,YAAY,EACZ,gBAAgB,EAChB,YAAY,EACZ,gBAAgB,GACjB,MAAM,YAAY,CAAC;AAEpB,YAAY,EACV,iBAAiB,EACjB,mBAAmB,EACnB,oBAAoB,GACrB,MAAM,YAAY,CAAC;AAEpB,OAAO,EAAE,SAAS,EAAE,UAAU,EAAE,QAAQ,EAAE,OAAO,EAAE,KAAK,EAAE,OAAO,EAAE,KAAK,EAAE,CAAC"}
@@ -0,0 +1,15 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * iq.ts - Image Quantization Library
+ */
+export { AbstractPaletteQuantizer } from './paletteQuantizer';
+export { NeuQuant } from './neuquant/neuquant';
+export { NeuQuantFloat } from './neuquant/neuquantFloat';
+export { RGBQuant } from './rgbquant/rgbquant';
+export { ColorHistogram } from './rgbquant/colorHistogram';
+export { WuQuant, WuColorCube } from './wu/wuQuant';
+export { PaletteQuantizerYieldValue } from './paletteQuantizerYieldValue';
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/palette/index.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,wBAAwB,EAAE,MAAM,oBAAoB,CAAC;AAC9D,OAAO,EAAE,QAAQ,EAAE,MAAM,qBAAqB,CAAC;AAC/C,OAAO,EAAE,aAAa,EAAE,MAAM,0BAA0B,CAAC;AACzD,OAAO,EAAE,QAAQ,EAAE,MAAM,qBAAqB,CAAC;AAC/C,OAAO,EAAE,cAAc,EAAE,MAAM,2BAA2B,CAAC;AAC3D,OAAO,EAAE,OAAO,EAAE,WAAW,EAAE,MAAM,cAAc,CAAC;AACpD,OAAO,EAAE,0BAA0B,EAAE,MAAM,8BAA8B,CAAC"}
@@ -0,0 +1,66 @@
+import { PointContainer } from '../../utils/pointContainer';
+import { AbstractDistanceCalculator } from '../../distance/distanceCalculator';
+import { AbstractPaletteQuantizer } from '../paletteQuantizer';
+import { PaletteQuantizerYieldValue } from '../paletteQuantizerYieldValue';
+export declare class NeuQuant extends AbstractPaletteQuantizer {
+    private static readonly _prime1;
+    private static readonly _prime2;
+    private static readonly _prime3;
+    private static readonly _prime4;
+    private static readonly _minpicturebytes;
+    private static readonly _nCycles;
+    private static readonly _initialBiasShift;
+    private static readonly _initialBias;
+    private static readonly _gammaShift;
+    private static readonly _betaShift;
+    private static readonly _beta;
+    private static readonly _betaGamma;
+    private static readonly _radiusBiasShift;
+    private static readonly _radiusBias;
+    private static readonly _radiusDecrease;
+    private static readonly _alphaBiasShift;
+    private static readonly _initAlpha;
+    private static readonly _radBiasShift;
+    private static readonly _radBias;
+    private static readonly _alphaRadBiasShift;
+    private static readonly _alphaRadBias;
+    private _pointArray;
+    private readonly _networkSize;
+    private _network;
+    /** sampling factor 1..30 */
+    private readonly _sampleFactor;
+    private _radPower;
+    private _freq;
+    private _bias;
+    private readonly _distance;
+    constructor(colorDistanceCalculator: AbstractDistanceCalculator, colors?: number);
+    sample(pointContainer: PointContainer): void;
+    quantize(): IterableIterator<PaletteQuantizerYieldValue>;
+    private _init;
+    /**
+     * Main Learning Loop
+     */
+    private _learn;
+    private _buildPalette;
+    /**
+     * Move adjacent neurons by precomputed alpha*(1-((i-j)^2/[r]^2)) in radpower[|i-j|]
+     */
+    private _alterNeighbour;
+    /**
+     * Move neuron i towards biased (b,g,r) by factor alpha
+     */
+    private _alterSingle;
+    /**
+     * Search for biased BGR values
+     * description:
+     *    finds closest neuron (min dist) and updates freq
+     *    finds best neuron (min dist-bias) and returns position
+     *    for frequently chosen neurons, freq[i] is high and bias[i] is negative
+     *    bias[i] = _gamma*((1/this._networkSize)-freq[i])
+     *
+     * Original distance equation:
+     *        dist = abs(dR) + abs(dG) + abs(dB)
+     */
+    private _contest;
+}
+//# sourceMappingURL=neuquant.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"neuquant.d.ts","sourceRoot":"","sources":["../../../../../src/palette/neuquant/neuquant.ts"],"names":[],"mappings":"AA+BA,OAAO,EAAE,cAAc,EAAE,MAAM,4BAA4B,CAAC;AAC5D,OAAO,EAAE,0BAA0B,EAAE,MAAM,mCAAmC,CAAC;AAC/E,OAAO,EAAE,wBAAwB,EAAE,MAAM,qBAAqB,CAAC;AAC/D,OAAO,EAAE,0BAA0B,EAAE,MAAM,+BAA+B,CAAC;AAyD3E,qBAAa,QAAS,SAAQ,wBAAwB;IAKpD,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,OAAO,CAAO;IACtC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,OAAO,CAAO;IACtC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,OAAO,CAAO;IACtC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,OAAO,CAAO;IACtC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,gBAAgB,CAAoB;IAG5D,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,QAAQ,CAAO;IAGvC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,iBAAiB,CAAM;IAG/C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,YAAY,CAAmC;IACvE,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,WAAW,CAAM;IAKzC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,UAAU,CAAM;IACxC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,KAAK,CAAgD;IAG7E,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,UAAU,CACsC;IAKxE,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,gBAAgB,CAAK;IAG7C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,WAAW,CAAkC;IAGrE,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,eAAe,CAAM;IAK7C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,eAAe,CAAM;IAG7C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,UAAU,CAAiC;IAGnE,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,aAAa,CAAK;IAC1C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,QAAQ,CAA+B;IAC/D,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,kBAAkB,CACU;IACpD,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,aAAa,CAAoC;IAEzE,OAAO,CAAC,WAAW,CAAU;IAC7B,OAAO,CAAC,QAAQ,CAAC,YAAY,CAAS;IACtC,OAAO,CAAC,QAAQ,CAAY;IAE5B,4BAA4B;IAC5B,OAAO,CAAC,QAAQ,CAAC,aAAa,CAAU;IACxC,OAAO,CAAC,SAAS,CAAY;IAG7B,OAAO,CAAC,KAAK,CAAY;IAGzB,OAAO,CAAC,KAAK,CAAY;IACzB,OAAO,CAAC,QAAQ,CAAC,SAAS,CAA6B;gBAGrD,uBAAuB,EAAE,0BAA0B,EACnD,MAAM,SAAM;IAgBd,MAAM,CAAC,cAAc,EAAE,cAAc;IAIpC,QAAQ,IAAI,gBAAgB,CAAC,0BAA0B,CAAC;IAWzD,OAAO,CAAC,KAAK;IAgBb;;OAEG;IACH,OAAO,CAAE,MAAM;IA2Ef,OAAO,CAAC,aAAa;IAWrB;;OAEG;IACH,OAAO,CAAC,eAAe;IAgCvB;;OAEG;IACH,OAAO,CAAC,YAAY;IAoBpB;;;;;;;;;;OAUG;IACH,OAAO,CAAC,QAAQ;CAkCjB"}
@@ -0,0 +1,66 @@
+import { PointContainer } from '../../utils/pointContainer';
+import { AbstractDistanceCalculator } from '../../distance/distanceCalculator';
+import { AbstractPaletteQuantizer } from '../paletteQuantizer';
+import { PaletteQuantizerYieldValue } from '../paletteQuantizerYieldValue';
+export declare class NeuQuantFloat extends AbstractPaletteQuantizer {
+    private static readonly _prime1;
+    private static readonly _prime2;
+    private static readonly _prime3;
+    private static readonly _prime4;
+    private static readonly _minpicturebytes;
+    private static readonly _nCycles;
+    private static readonly _initialBiasShift;
+    private static readonly _initialBias;
+    private static readonly _gammaShift;
+    private static readonly _betaShift;
+    private static readonly _beta;
+    private static readonly _betaGamma;
+    private static readonly _radiusBiasShift;
+    private static readonly _radiusBias;
+    private static readonly _radiusDecrease;
+    private static readonly _alphaBiasShift;
+    private static readonly _initAlpha;
+    private static readonly _radBiasShift;
+    private static readonly _radBias;
+    private static readonly _alphaRadBiasShift;
+    private static readonly _alphaRadBias;
+    private _pointArray;
+    private readonly _networkSize;
+    private _network;
+    /** sampling factor 1..30 */
+    private readonly _sampleFactor;
+    private _radPower;
+    private _freq;
+    private _bias;
+    private readonly _distance;
+    constructor(colorDistanceCalculator: AbstractDistanceCalculator, colors?: number);
+    sample(pointContainer: PointContainer): void;
+    quantize(): Generator<PaletteQuantizerYieldValue, void, undefined>;
+    private _init;
+    /**
+     * Main Learning Loop
+     */
+    private _learn;
+    private _buildPalette;
+    /**
+     * Move adjacent neurons by precomputed alpha*(1-((i-j)^2/[r]^2)) in radpower[|i-j|]
+     */
+    private _alterNeighbour;
+    /**
+     * Move neuron i towards biased (b,g,r) by factor alpha
+     */
+    private _alterSingle;
+    /**
+     * Search for biased BGR values
+     * description:
+     *    finds closest neuron (min dist) and updates freq
+     *    finds best neuron (min dist-bias) and returns position
+     *    for frequently chosen neurons, freq[i] is high and bias[i] is negative
+     *    bias[i] = _gamma*((1/this._networkSize)-freq[i])
+     *
+     * Original distance equation:
+     *        dist = abs(dR) + abs(dG) + abs(dB)
+     */
+    private _contest;
+}
+//# sourceMappingURL=neuquantFloat.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"neuquantFloat.d.ts","sourceRoot":"","sources":["../../../../../src/palette/neuquant/neuquantFloat.ts"],"names":[],"mappings":"AA6BA,OAAO,EAAE,cAAc,EAAE,MAAM,4BAA4B,CAAC;AAC5D,OAAO,EAAE,0BAA0B,EAAE,MAAM,mCAAmC,CAAC;AAC/E,OAAO,EAAE,wBAAwB,EAAE,MAAM,qBAAqB,CAAC;AAC/D,OAAO,EAAE,0BAA0B,EAAE,MAAM,+BAA+B,CAAC;AAsC3E,qBAAa,aAAc,SAAQ,wBAAwB;IAKzD,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,OAAO,CAAO;IACtC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,OAAO,CAAO;IACtC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,OAAO,CAAO;IACtC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,OAAO,CAAO;IACtC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,gBAAgB,CAAyB;IAGjE,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,QAAQ,CAAO;IAGvC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,iBAAiB,CAAM;IAG/C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,YAAY,CAAwC;IAC5E,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,WAAW,CAAM;IAKzC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,UAAU,CAAM;IACxC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,KAAK,CAC4B;IAGzD,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,UAAU,CAEuB;IAKzD,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,gBAAgB,CAAK;IAG7C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,WAAW,CAAuC;IAG1E,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,eAAe,CAAM;IAK7C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,eAAe,CAAM;IAG7C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,UAAU,CAAsC;IAGxE,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,aAAa,CAAK;IAC1C,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,QAAQ,CAAoC;IACpE,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,kBAAkB,CACoB;IAC9D,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,aAAa,CAAyC;IAE9E,OAAO,CAAC,WAAW,CAAW;IAC9B,OAAO,CAAC,QAAQ,CAAC,YAAY,CAAU;IACvC,OAAO,CAAC,QAAQ,CAAiB;IAEjC,4BAA4B;IAC5B,OAAO,CAAC,QAAQ,CAAC,aAAa,CAAU;IACxC,OAAO,CAAC,SAAS,CAAY;IAG7B,OAAO,CAAC,KAAK,CAAY;IAGzB,OAAO,CAAC,KAAK,CAAY;IACzB,OAAO,CAAC,QAAQ,CAAC,SAAS,CAA6B;gBAGrD,uBAAuB,EAAE,0BAA0B,EACnD,MAAM,SAAM;IAgBd,MAAM,CAAC,cAAc,EAAE,cAAc;IAIpC,QAAQ;IAUT,OAAO,CAAC,KAAK;IAgBb;;OAEG;IACH,OAAO,CAAE,MAAM;IA0Ef,OAAO,CAAC,aAAa;IAWrB;;OAEG;IACH,OAAO,CAAC,eAAe;IAgCvB;;OAEG;IACH,OAAO,CAAC,YAAY;IAoBpB;;;;;;;;;;OAUG;IACH,OAAO,CAAC,QAAQ;CAiCjB"}
@@ -0,0 +1,15 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * common.ts - part of Image Quantization Library
+ */
+import { PointContainer } from '../utils/pointContainer';
+import { PaletteQuantizerYieldValue } from './paletteQuantizerYieldValue';
+export declare abstract class AbstractPaletteQuantizer {
+    abstract sample(pointContainer: PointContainer): void;
+    abstract quantize(): IterableIterator<PaletteQuantizerYieldValue>;
+    quantizeSync(): import("../utils").Palette;
+}
+//# sourceMappingURL=paletteQuantizer.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"paletteQuantizer.d.ts","sourceRoot":"","sources":["../../../../src/palette/paletteQuantizer.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,cAAc,EAAE,MAAM,yBAAyB,CAAC;AACzD,OAAO,EAAE,0BAA0B,EAAE,MAAM,8BAA8B,CAAC;AAE1E,8BAAsB,wBAAwB;IAC5C,QAAQ,CAAC,MAAM,CAAC,cAAc,EAAE,cAAc,GAAG,IAAI;IACrD,QAAQ,CAAC,QAAQ,IAAI,gBAAgB,CAAC,0BAA0B,CAAC;IAEjE,YAAY;CASb"}
@@ -0,0 +1,6 @@
+import { Palette } from '../utils';
+export interface PaletteQuantizerYieldValue {
+    progress: number;
+    palette?: Palette;
+}
+//# sourceMappingURL=paletteQuantizerYieldValue.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"paletteQuantizerYieldValue.d.ts","sourceRoot":"","sources":["../../../../src/palette/paletteQuantizerYieldValue.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,OAAO,EAAE,MAAM,UAAU,CAAC;AAEnC,MAAM,WAAW,0BAA0B;IACzC,QAAQ,EAAE,MAAM,CAAC;IACjB,OAAO,CAAC,EAAE,OAAO,CAAC;CACnB"}
@@ -0,0 +1,23 @@
+import { PointContainer } from '../../utils/pointContainer';
+export declare class ColorHistogram {
+    private static _boxSize;
+    private static _boxPixels;
+    private static _hueGroups;
+    private _method;
+    private _hueStats;
+    private _histogram;
+    private _initColors;
+    private _minHueCols;
+    constructor(method: number, colors: number);
+    sample(pointContainer: PointContainer): void;
+    getImportanceSortedColorsIDXI32(): number[];
+    private _colorStats1D;
+    private _colorStats2D;
+    private _iterateBox;
+    /**
+     *    partitions a rectangle of width x height into
+     *    array of boxes stepX x stepY (or less)
+     */
+    private _makeBoxes;
+}
+//# sourceMappingURL=colorHistogram.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"colorHistogram.d.ts","sourceRoot":"","sources":["../../../../../src/palette/rgbquant/colorHistogram.ts"],"names":[],"mappings":"AAeA,OAAO,EAAE,cAAc,EAAE,MAAM,4BAA4B,CAAC;AAU5D,qBAAa,cAAc;IACzB,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAY;IACnC,OAAO,CAAC,MAAM,CAAC,UAAU,CAAK;IAC9B,OAAO,CAAC,MAAM,CAAC,UAAU,CAAM;IAG/B,OAAO,CAAC,OAAO,CAAS;IAGxB,OAAO,CAAC,SAAS,CAAgB;IAEjC,OAAO,CAAC,UAAU,CAA8B;IAGhD,OAAO,CAAC,WAAW,CAAS;IAG5B,OAAO,CAAC,WAAW,CAAS;gBAEhB,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM;IAmB1C,MAAM,CAAC,cAAc,EAAE,cAAc;IAWrC,+BAA+B;IA4C/B,OAAO,CAAC,aAAa;IAsBrB,OAAO,CAAC,aAAa;IAuCrB,OAAO,CAAC,WAAW;IAenB;;;OAGG;IACH,OAAO,CAAC,UAAU;CAyBnB"}
@@ -0,0 +1,16 @@
+import { PointContainer } from '../../utils/pointContainer';
+import { AbstractDistanceCalculator } from '../../distance/distanceCalculator';
+import { AbstractPaletteQuantizer } from '../paletteQuantizer';
+import { PaletteQuantizerYieldValue } from '../paletteQuantizerYieldValue';
+export declare class RGBQuant extends AbstractPaletteQuantizer {
+    private readonly _colors;
+    private readonly _initialDistance;
+    private readonly _distanceIncrement;
+    private readonly _histogram;
+    private readonly _distance;
+    constructor(colorDistanceCalculator: AbstractDistanceCalculator, colors?: number, method?: number);
+    sample(image: PointContainer): void;
+    quantize(): Generator<PaletteQuantizerYieldValue, void, undefined>;
+    private _buildPalette;
+}
+//# sourceMappingURL=rgbquant.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"rgbquant.d.ts","sourceRoot":"","sources":["../../../../../src/palette/rgbquant/rgbquant.ts"],"names":[],"mappings":"AAiBA,OAAO,EAAE,cAAc,EAAE,MAAM,4BAA4B,CAAC;AAC5D,OAAO,EAAE,0BAA0B,EAAE,MAAM,mCAAmC,CAAC;AAE/E,OAAO,EAAE,wBAAwB,EAAE,MAAM,qBAAqB,CAAC;AAC/D,OAAO,EAAE,0BAA0B,EAAE,MAAM,+BAA+B,CAAC;AAiB3E,qBAAa,QAAS,SAAQ,wBAAwB;IAEpD,OAAO,CAAC,QAAQ,CAAC,OAAO,CAAS;IAGjC,OAAO,CAAC,QAAQ,CAAC,gBAAgB,CAAS;IAG1C,OAAO,CAAC,QAAQ,CAAC,kBAAkB,CAAS;IAG5C,OAAO,CAAC,QAAQ,CAAC,UAAU,CAAiB;IAC5C,OAAO,CAAC,QAAQ,CAAC,SAAS,CAA6B;gBAGrD,uBAAuB,EAAE,0BAA0B,EACnD,MAAM,SAAM,EACZ,MAAM,SAAI;IAeZ,MAAM,CAAC,KAAK,EAAE,cAAc;IAqB3B,QAAQ;IAUT,OAAO,CAAE,aAAa;CA8FvB"}
@@ -0,0 +1,79 @@
+import { PointContainer } from '../../utils/pointContainer';
+import { AbstractDistanceCalculator } from '../../distance/distanceCalculator';
+import { AbstractPaletteQuantizer } from '../paletteQuantizer';
+import { PaletteQuantizerYieldValue } from '../paletteQuantizerYieldValue';
+export declare class WuColorCube {
+    redMinimum: number;
+    redMaximum: number;
+    greenMinimum: number;
+    greenMaximum: number;
+    blueMinimum: number;
+    blueMaximum: number;
+    volume: number;
+    alphaMinimum: number;
+    alphaMaximum: number;
+}
+export declare class WuQuant extends AbstractPaletteQuantizer {
+    private static readonly _alpha;
+    private static readonly _red;
+    private static readonly _green;
+    private static readonly _blue;
+    private _reds;
+    private _greens;
+    private _blues;
+    private _alphas;
+    private _sums;
+    private _weights;
+    private _momentsRed;
+    private _momentsGreen;
+    private _momentsBlue;
+    private _momentsAlpha;
+    private _moments;
+    private _table;
+    private _pixels;
+    private _cubes;
+    private _colors;
+    private _significantBitsPerChannel;
+    private _maxSideIndex;
+    private _alphaMaxSideIndex;
+    private _sideSize;
+    private _alphaSideSize;
+    private readonly _distance;
+    constructor(colorDistanceCalculator: AbstractDistanceCalculator, colors?: number, significantBitsPerChannel?: number);
+    sample(image: PointContainer): void;
+    quantize(): Generator<PaletteQuantizerYieldValue, void, undefined>;
+    private _preparePalette;
+    private _addColor;
+    /**
+     * Converts the histogram to a series of _moments.
+     */
+    private _calculateMoments;
+    /**
+     * Computes the volume of the cube in a specific moment.
+     */
+    private static _volumeFloat;
+    /**
+     * Computes the volume of the cube in a specific moment.
+     */
+    private static _volume;
+    /**
+     * Splits the cube in given position][and color direction.
+     */
+    private static _top;
+    /**
+     * Splits the cube in a given color direction at its minimum.
+     */
+    private static _bottom;
+    /**
+     * Calculates statistical variance for a given cube.
+     */
+    private _calculateVariance;
+    /**
+     * Finds the optimal (maximal) position for the cut.
+     */
+    private _maximize;
+    private _cut;
+    private _initialize;
+    private _setQuality;
+}
+//# sourceMappingURL=wuQuant.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"wuQuant.d.ts","sourceRoot":"","sources":["../../../../../src/palette/wu/wuQuant.ts"],"names":[],"mappings":"AASA,OAAO,EAAE,cAAc,EAAE,MAAM,4BAA4B,CAAC;AAC5D,OAAO,EAAE,0BAA0B,EAAE,MAAM,mCAAmC,CAAC;AAC/E,OAAO,EAAE,wBAAwB,EAAE,MAAM,qBAAqB,CAAC;AAC/D,OAAO,EAAE,0BAA0B,EAAE,MAAM,+BAA+B,CAAC;AA2E3E,qBAAa,WAAW;IACtB,UAAU,EAAG,MAAM,CAAC;IACpB,UAAU,EAAG,MAAM,CAAC;IACpB,YAAY,EAAG,MAAM,CAAC;IACtB,YAAY,EAAG,MAAM,CAAC;IACtB,WAAW,EAAG,MAAM,CAAC;IACrB,WAAW,EAAG,MAAM,CAAC;IACrB,MAAM,EAAG,MAAM,CAAC;IAChB,YAAY,EAAG,MAAM,CAAC;IACtB,YAAY,EAAG,MAAM,CAAC;CACvB;AAED,qBAAa,OAAQ,SAAQ,wBAAwB;IACnD,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAK;IACnC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,IAAI,CAAK;IACjC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAK;IACnC,OAAO,CAAC,MAAM,CAAC,QAAQ,CAAC,KAAK,CAAK;IAElC,OAAO,CAAC,KAAK,CAAY;IACzB,OAAO,CAAC,OAAO,CAAY;IAC3B,OAAO,CAAC,MAAM,CAAY;IAC1B,OAAO,CAAC,OAAO,CAAY;IAC3B,OAAO,CAAC,KAAK,CAAY;IAEzB,OAAO,CAAC,QAAQ,CAAkB;IAClC,OAAO,CAAC,WAAW,CAAkB;IACrC,OAAO,CAAC,aAAa,CAAkB;IACvC,OAAO,CAAC,YAAY,CAAkB;IACtC,OAAO,CAAC,aAAa,CAAkB;IACvC,OAAO,CAAC,QAAQ,CAAkB;IAClC,OAAO,CAAC,MAAM,CAAY;IAC1B,OAAO,CAAC,OAAO,CAAW;IAE1B,OAAO,CAAC,MAAM,CAAiB;IAC/B,OAAO,CAAC,OAAO,CAAU;IAEzB,OAAO,CAAC,0BAA0B,CAAU;IAC5C,OAAO,CAAC,aAAa,CAAU;IAC/B,OAAO,CAAC,kBAAkB,CAAU;IACpC,OAAO,CAAC,SAAS,CAAU;IAC3B,OAAO,CAAC,cAAc,CAAU;IAEhC,OAAO,CAAC,QAAQ,CAAC,SAAS,CAA6B;gBAGrD,uBAAuB,EAAE,0BAA0B,EACnD,MAAM,SAAM,EACZ,yBAAyB,SAAI;IAQ/B,MAAM,CAAC,KAAK,EAAE,cAAc;IAU3B,QAAQ;IA2BT,OAAO,CAAE,eAAe;IAiHxB,OAAO,CAAC,SAAS;IAqBjB;;OAEG;IACH,OAAO,CAAE,iBAAiB;IA2L1B;;OAEG;IACH,OAAO,CAAC,MAAM,CAAC,YAAY;IAqD3B;;OAEG;IACH,OAAO,CAAC,MAAM,CAAC,OAAO;IAItB;;OAEG;IACH,OAAO,CAAC,MAAM,CAAC,IAAI;IA8HnB;;OAEG;IACH,OAAO,CAAC,MAAM,CAAC,OAAO;IA4HtB;;OAEG;IACH,OAAO,CAAC,kBAAkB;IAgB1B;;OAEG;IACH,OAAO,CAAC,SAAS;IAwEjB,OAAO,CAAC,IAAI;IAmIZ,OAAO,CAAC,WAAW;IAoEnB,OAAO,CAAC,WAAW;CAQpB"}
@@ -0,0 +1,9 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * iq.ts - Image Quantization Library
+ */
+export { ssim } from './ssim';
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/quality/index.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,IAAI,EAAE,MAAM,QAAQ,CAAC"}
@@ -0,0 +1,10 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * ssim.ts - part of Image Quantization Library
+ */
+import { PointContainer } from '../utils/pointContainer';
+export declare function ssim(image1: PointContainer, image2: PointContainer): number;
+//# sourceMappingURL=ssim.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"ssim.d.ts","sourceRoot":"","sources":["../../../../src/quality/ssim.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,EAAE,cAAc,EAAE,MAAM,yBAAyB,CAAC;AAQzD,wBAAgB,IAAI,CAAC,MAAM,EAAE,cAAc,EAAE,MAAM,EAAE,cAAc,UAqDlE"}
@@ -0,0 +1,8 @@
+export declare function degrees2radians(n: number): number;
+export declare function max3(a: number, b: number, c: number): number;
+export declare function min3(a: number, b: number, c: number): number;
+export declare function intInRange(value: number, low: number, high: number): number;
+export declare function inRange0to255Rounded(n: number): number;
+export declare function inRange0to255(n: number): number;
+export declare function stableSort<T>(arrayToSort: T[], callback: (a: T, b: T) => number): T[];
+//# sourceMappingURL=arithmetic.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"arithmetic.d.ts","sourceRoot":"","sources":["../../../../src/utils/arithmetic.ts"],"names":[],"mappings":"AAAA,wBAAgB,eAAe,CAAC,CAAC,EAAE,MAAM,UAExC;AAED,wBAAgB,IAAI,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,UAKnD;AAED,wBAAgB,IAAI,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,UAKnD;AAED,wBAAgB,UAAU,CAAC,KAAK,EAAE,MAAM,EAAE,GAAG,EAAE,MAAM,EAAE,IAAI,EAAE,MAAM,UAIlE;AAED,wBAAgB,oBAAoB,CAAC,CAAC,EAAE,MAAM,UAK7C;AAED,wBAAgB,aAAa,CAAC,CAAC,EAAE,MAAM,UAItC;AAED,wBAAgB,UAAU,CAAC,CAAC,EAC1B,WAAW,EAAE,CAAC,EAAE,EAChB,QAAQ,EAAE,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,KAAK,MAAM,OAsBjC"}
@@ -0,0 +1,11 @@
+export declare class HueStatistics {
+    private _numGroups;
+    private _minCols;
+    private _stats;
+    private _groupsFull;
+    constructor(numGroups: number, minCols: number);
+    check(i32: number): void;
+    injectIntoDictionary(histG: Record<string, number>): void;
+    injectIntoArray(histG: string[]): void;
+}
+//# sourceMappingURL=hueStatistics.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"hueStatistics.d.ts","sourceRoot":"","sources":["../../../../src/utils/hueStatistics.ts"],"names":[],"mappings":"AAeA,qBAAa,aAAa;IACxB,OAAO,CAAC,UAAU,CAAS;IAC3B,OAAO,CAAC,QAAQ,CAAS;IACzB,OAAO,CAAC,MAAM,CAAa;IAC3B,OAAO,CAAC,WAAW,CAAS;gBAEhB,SAAS,EAAE,MAAM,EAAE,OAAO,EAAE,MAAM;IAY9C,KAAK,CAAC,GAAG,EAAE,MAAM;IA6BjB,oBAAoB,CAAC,KAAK,EAAE,MAAM,CAAC,MAAM,EAAE,MAAM,CAAC;IAclD,eAAe,CAAC,KAAK,EAAE,MAAM,EAAE;CAWhC"}
@@ -0,0 +1,15 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * iq.ts - Image Quantization Library
+ */
+import * as arithmetic from './arithmetic';
+import { HueStatistics } from './hueStatistics';
+import { Palette } from './palette';
+import { Point } from './point';
+import { PointContainer } from './pointContainer';
+import { ProgressTracker } from './progressTracker';
+export { Point, PointContainer, Palette, HueStatistics, ProgressTracker, arithmetic, };
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/utils/index.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,KAAK,UAAU,MAAM,cAAc,CAAC;AAC3C,OAAO,EAAE,aAAa,EAAE,MAAM,iBAAiB,CAAC;AAChD,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AACpC,OAAO,EAAE,KAAK,EAAE,MAAM,SAAS,CAAC;AAChC,OAAO,EAAE,cAAc,EAAE,MAAM,kBAAkB,CAAC;AAClD,OAAO,EAAE,eAAe,EAAE,MAAM,mBAAmB,CAAC;AAEpD,OAAO,EACL,KAAK,EACL,cAAc,EACd,OAAO,EACP,aAAa,EACb,eAAe,EACf,UAAU,GACX,CAAC"}
@@ -0,0 +1,25 @@
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * palette.ts - part of Image Quantization Library
+ */
+import { Point } from './point';
+import { PointContainer } from './pointContainer';
+import { AbstractDistanceCalculator } from '../distance/distanceCalculator';
+export declare function hueGroup(hue: number, segmentsNumber: number): number;
+export declare class Palette {
+    private readonly _pointContainer;
+    private readonly _pointArray;
+    private _i32idx;
+    constructor();
+    add(color: Point): void;
+    has(color: Point): boolean;
+    getNearestColor(colorDistanceCalculator: AbstractDistanceCalculator, color: Point): Point;
+    getPointContainer(): PointContainer;
+    private _nearestPointFromCache;
+    private _getNearestIndex;
+    sort(): void;
+}
+//# sourceMappingURL=palette.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"palette.d.ts","sourceRoot":"","sources":["../../../../src/utils/palette.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAE,KAAK,EAAE,MAAM,SAAS,CAAC;AAChC,OAAO,EAAE,cAAc,EAAE,MAAM,kBAAkB,CAAC;AAClD,OAAO,EAAE,0BAA0B,EAAE,MAAM,gCAAgC,CAAC;AAO5E,wBAAgB,QAAQ,CAAC,GAAG,EAAE,MAAM,EAAE,cAAc,EAAE,MAAM,UAS3D;AAED,qBAAa,OAAO;IAClB,OAAO,CAAC,QAAQ,CAAC,eAAe,CAAiB;IACjD,OAAO,CAAC,QAAQ,CAAC,WAAW,CAAe;IAC3C,OAAO,CAAC,OAAO,CAAiC;;IAQhD,GAAG,CAAC,KAAK,EAAE,KAAK;IAKhB,GAAG,CAAC,KAAK,EAAE,KAAK;IAShB,eAAe,CACb,uBAAuB,EAAE,0BAA0B,EACnD,KAAK,EAAE,KAAK;IAOd,iBAAiB;IAkCjB,OAAO,CAAC,sBAAsB;IAI9B,OAAO,CAAC,gBAAgB;IAoFxB,IAAI;CAkCL"}
@@ -0,0 +1,29 @@
+export interface PointRGBA {
+    r: number;
+    g: number;
+    b: number;
+    a: number;
+}
+/**
+ * v8 optimized class
+ * 1) "constructor" should have initialization with worst types
+ * 2) "set" should have |0 / >>> 0
+ */
+export declare class Point implements PointRGBA {
+    r: number;
+    g: number;
+    b: number;
+    a: number;
+    uint32: number;
+    rgba: number[];
+    static createByQuadruplet(quadruplet: number[]): Point;
+    static createByRGBA(red: number, green: number, blue: number, alpha: number): Point;
+    static createByUint32(uint32: number): Point;
+    constructor();
+    from(point: Point): void;
+    getLuminosity(useAlphaChannel: boolean): number;
+    private _loadUINT32;
+    private _loadRGBA;
+    private _loadQuadruplet;
+}
+//# sourceMappingURL=point.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"point.d.ts","sourceRoot":"","sources":["../../../../src/utils/point.ts"],"names":[],"mappings":"AASA,MAAM,WAAW,SAAS;IACxB,CAAC,EAAE,MAAM,CAAC;IACV,CAAC,EAAE,MAAM,CAAC;IACV,CAAC,EAAE,MAAM,CAAC;IACV,CAAC,EAAE,MAAM,CAAC;CACX;AAED;;;;GAIG;AACH,qBAAa,KAAM,YAAW,SAAS;IACrC,CAAC,EAAE,MAAM,CAAC;IACV,CAAC,EAAE,MAAM,CAAC;IACV,CAAC,EAAE,MAAM,CAAC;IACV,CAAC,EAAE,MAAM,CAAC;IACV,MAAM,EAAE,MAAM,CAAC;IACf,IAAI,EAAE,MAAM,EAAE,CAAC;IAGf,MAAM,CAAC,kBAAkB,CAAC,UAAU,EAAE,MAAM,EAAE;IAa9C,MAAM,CAAC,YAAY,CAAC,GAAG,EAAE,MAAM,EAAE,KAAK,EAAE,MAAM,EAAE,IAAI,EAAE,MAAM,EAAE,KAAK,EAAE,MAAM;IAa3E,MAAM,CAAC,cAAc,CAAC,MAAM,EAAE,MAAM;;IA2BpC,IAAI,CAAC,KAAK,EAAE,KAAK;IA0BjB,aAAa,CAAC,eAAe,EAAE,OAAO;IAsBtC,OAAO,CAAC,WAAW;IAKnB,OAAO,CAAC,SAAS;IAOjB,OAAO,CAAC,eAAe;CAuBxB"}
@@ -0,0 +1,34 @@
+/// <reference types="node" />
+/**
+ * @preserve
+ * Copyright 2015-2018 Igor Bezkrovnyi
+ * All rights reserved. (MIT Licensed)
+ *
+ * pointContainer.ts - part of Image Quantization Library
+ */
+import { Point } from './point';
+/**
+ * v8 optimizations done.
+ * fromXXX methods are static to move out polymorphic code from class instance itself.
+ */
+export declare class PointContainer {
+    private readonly _pointArray;
+    private _width;
+    private _height;
+    constructor();
+    getWidth(): number;
+    getHeight(): number;
+    setWidth(width: number): void;
+    setHeight(height: number): void;
+    getPointArray(): Point[];
+    clone(): PointContainer;
+    toUint32Array(): Uint32Array;
+    toUint8Array(): Uint8Array;
+    static fromHTMLImageElement(img: HTMLImageElement): PointContainer;
+    static fromHTMLCanvasElement(canvas: HTMLCanvasElement): PointContainer;
+    static fromImageData(imageData: ImageData): PointContainer;
+    static fromUint8Array(uint8Array: number[] | Uint8Array | Uint8ClampedArray, width: number, height: number): PointContainer;
+    static fromUint32Array(uint32Array: Uint32Array, width: number, height: number): PointContainer;
+    static fromBuffer(buffer: Buffer, width: number, height: number): PointContainer;
+}
+//# sourceMappingURL=pointContainer.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"pointContainer.d.ts","sourceRoot":"","sources":["../../../../src/utils/pointContainer.ts"],"names":[],"mappings":";AAAA;;;;;;GAMG;AACH,OAAO,EAAE,KAAK,EAAE,MAAM,SAAS,CAAC;AAEhC;;;GAGG;AACH,qBAAa,cAAc;IACzB,OAAO,CAAC,QAAQ,CAAC,WAAW,CAAU;IACtC,OAAO,CAAC,MAAM,CAAS;IACvB,OAAO,CAAC,OAAO,CAAS;;IAQxB,QAAQ;IAIR,SAAS;IAIT,QAAQ,CAAC,KAAK,EAAE,MAAM;IAItB,SAAS,CAAC,MAAM,EAAE,MAAM;IAIxB,aAAa;IAIb,KAAK;IAcL,aAAa;IAWb,YAAY;IAIZ,MAAM,CAAC,oBAAoB,CAAC,GAAG,EAAE,gBAAgB;IAcjD,MAAM,CAAC,qBAAqB,CAAC,MAAM,EAAE,iBAAiB;IAUtD,MAAM,CAAC,aAAa,CAAC,SAAS,EAAE,SAAS;IAOzC,MAAM,CAAC,cAAc,CACnB,UAAU,EAAE,MAAM,EAAE,GAAG,UAAU,GAAG,iBAAiB,EACrD,KAAK,EAAE,MAAM,EACb,MAAM,EAAE,MAAM;IAehB,MAAM,CAAC,eAAe,CACpB,WAAW,EAAE,WAAW,EACxB,KAAK,EAAE,MAAM,EACb,MAAM,EAAE,MAAM;IAchB,MAAM,CAAC,UAAU,CAAC,MAAM,EAAE,MAAM,EAAE,KAAK,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM;CAQhE"}
@@ -0,0 +1,11 @@
+export declare class ProgressTracker {
+    static readonly steps = 100;
+    progress: number;
+    private _step;
+    private _range;
+    private _last;
+    private _progressRange;
+    constructor(valueRange: number, progressRange: number);
+    shouldNotify(current: number): boolean;
+}
+//# sourceMappingURL=progressTracker.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"progressTracker.d.ts","sourceRoot":"","sources":["../../../../src/utils/progressTracker.ts"],"names":[],"mappings":"AAAA,qBAAa,eAAe;IAC1B,MAAM,CAAC,QAAQ,CAAC,KAAK,OAAO;IAE5B,QAAQ,EAAE,MAAM,CAAC;IAEjB,OAAO,CAAC,KAAK,CAAS;IACtB,OAAO,CAAC,MAAM,CAAS;IACvB,OAAO,CAAC,KAAK,CAAS;IACtB,OAAO,CAAC,cAAc,CAAS;gBAEnB,UAAU,EAAE,MAAM,EAAE,aAAa,EAAE,MAAM;IAQrD,YAAY,CAAC,OAAO,EAAE,MAAM;CAY7B"}
				`@@ -0,0 +1 @@`
				{"version":3,"file":"basicAPI.d.ts","sourceRoot":"","sources":["../../../src/basicAPI.ts"],"names":[],"mappings":"AAWA,OAAO,EAAE,cAAc,EAAE,MAAM,wBAAwB,CAAC;AACxD,OAAO,EAAE,OAAO,EAAE,MAAM,iBAAiB,CAAC;AAS1C,oBAAY,oBAAoB,GAC5B,gBAAgB,GAChB,oBAAoB,GACpB,WAAW,GACX,cAAc,GACd,WAAW,GACX,yBAAyB,GACzB,iBAAiB,GACjB,WAAW,GACX,iBAAiB,GACjB,mBAAmB,GACnB,UAAU,CAAC;AAEf,oBAAY,mBAAmB,GAC3B,UAAU,GACV,gBAAgB,GAChB,UAAU,GACV,SAAS,CAAC;AAEd,oBAAY,iBAAiB,GACzB,SAAS,GACT,WAAW,GACX,iBAAiB,GACjB,uBAAuB,GACvB,QAAQ,GACR,UAAU,GACV,QAAQ,GACR,QAAQ,GACR,QAAQ,GACR,YAAY,GACZ,aAAa,CAAC;AAElB,MAAM,WAAW,eAAe;IAC9B,UAAU,CAAC,EAAE,CAAC,QAAQ,EAAE,MAAM,KAAK,IAAI,CAAC;CACzC;AAED,MAAM,WAAW,mBAAmB;IAClC,oBAAoB,CAAC,EAAE,oBAAoB,CAAC;IAC5C,iBAAiB,CAAC,EAAE,iBAAiB,CAAC;CACvC;AAED,MAAM,WAAW,mBAAmB;IAClC,oBAAoB,CAAC,EAAE,oBAAoB,CAAC;IAC5C,mBAAmB,CAAC,EAAE,mBAAmB,CAAC;IAC1C,MAAM,CAAC,EAAE,MAAM,CAAC;CACjB;AAED,wBAAgB,gBAAgB,CAC9B,MAAM,EAAE,cAAc,EAAE,EACxB,EACE,oBAAoB,EACpB,mBAAmB,EACnB,MAAM,GACP,GAAE,mBAAwB,WAW5B;AAED,wBAAsB,YAAY,CAChC,MAAM,EAAE,cAAc,EAAE,EACxB,EACE,oBAAoB,EACpB,mBAAmB,EACnB,MAAM,EACN,UAAU,GACX,GAAE,mBAAmB,GAAG,eAAoB,oBA8B9C;AAED,wBAAgB,gBAAgB,CAC9B,KAAK,EAAE,cAAc,EACrB,OAAO,EAAE,OAAO,EAChB,EAAE,oBAAoB,EAAE,iBAAiB,EAAE,GAAE,mBAAwB,kBAStE;AAED,wBAAsB,YAAY,CAChC,KAAK,EAAE,cAAc,EACrB,OAAO,EAAE,OAAO,EAChB,EACE,oBAAoB,EACpB,iBAAiB,EACjB,UAAU,GACX,GAAE,mBAAmB,GAAG,eAAoB,2BA8B9C"}
				`@@ -0,0 +1 @@`
				`{"version":3,"file":"bt709.d.ts","sourceRoot":"","sources":["../../../../src/constants/bt709.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH;;;GAGG;AACH,oBAAY,CAAC;IACX,GAAG,SAAS;IACZ,KAAK,SAAS;IACd,IAAI,SAAS;IACb,KAAK,IAAI;CACV;AAED,oBAAY,CAAC;IACX,GAAG,OAAO;IACV,KAAK,MAAM;IACX,IAAI,OAAO;IACX,KAAK,SAAS;CACf;AAED,oBAAY,CAAC;IACX,GAAG,OAAO;IACV,KAAK,MAAM;IACX,IAAI,OAAO;IACX,KAAK,QAAQ;CACd"}`
				`@@ -0,0 +1 @@`
				`{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/constants/index.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AACH,OAAO,KAAK,KAAK,MAAM,SAAS,CAAC;AAEjC,OAAO,EAAE,KAAK,EAAE,CAAC"}`
				`@@ -0,0 +1 @@`
				`{"version":3,"file":"lab2rgb.d.ts","sourceRoot":"","sources":["../../../../src/conversion/lab2rgb.ts"],"names":[],"mappings":"AAUA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAGtD"}`
				`@@ -0,0 +1 @@`
				`{"version":3,"file":"lab2xyz.d.ts","sourceRoot":"","sources":["../../../../src/conversion/lab2xyz.ts"],"names":[],"mappings":"AAeA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAUtD"}`
				`@@ -0,0 +1 @@`
				`{"version":3,"file":"rgb2hsl.d.ts","sourceRoot":"","sources":["../../../../src/conversion/rgb2hsl.ts"],"names":[],"mappings":"AASA;;;;;;GAMG;AACH,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAuBtD"}`
				`@@ -0,0 +1 @@`
				`{"version":3,"file":"rgb2lab.d.ts","sourceRoot":"","sources":["../../../../src/conversion/rgb2lab.ts"],"names":[],"mappings":"AAUA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAGtD"}`
				`@@ -0,0 +1 @@`
				`{"version":3,"file":"rgb2xyz.d.ts","sourceRoot":"","sources":["../../../../src/conversion/rgb2xyz.ts"],"names":[],"mappings":"AAWA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAYtD"}`
				`@@ -0,0 +1 @@`
				`{"version":3,"file":"xyz2lab.d.ts","sourceRoot":"","sources":["../../../../src/conversion/xyz2lab.ts"],"names":[],"mappings":"AAeA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAWtD"}`
				`@@ -0,0 +1 @@`
				`{"version":3,"file":"xyz2rgb.d.ts","sourceRoot":"","sources":["../../../../src/conversion/xyz2rgb.ts"],"names":[],"mappings":"AAcA,wBAAgB,OAAO,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM;;;;EAWtD"}`