diff --git a/dashboard-ui/bower_components/vibrant/dist/vibrant.js b/dashboard-ui/bower_components/vibrant/dist/vibrant.js new file mode 100644 index 0000000000..a71e4cce80 --- /dev/null +++ b/dashboard-ui/bower_components/vibrant/dist/vibrant.js @@ -0,0 +1,876 @@ +(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o b) ? 1 : 0); + }, + sum: function(array, f) { + var o = {}; + return array.reduce(f ? function(p, d, i) { + o.index = i; + return p + f.call(o, d); + } : function(p, d) { + return p + d; + }, 0); + }, + max: function(array, f) { + return Math.max.apply(null, f ? pv.map(array, f) : array); + } + } +} + +/** + * Basic Javascript port of the MMCQ (modified median cut quantization) + * algorithm from the Leptonica library (http://www.leptonica.com/). + * Returns a color map you can use to map original pixels to the reduced + * palette. Still a work in progress. + * + * @author Nick Rabinowitz + * @example + +// array of pixels as [R,G,B] arrays +var myPixels = [[190,197,190], [202,204,200], [207,214,210], [211,214,211], [205,207,207] + // etc + ]; +var maxColors = 4; + +var cmap = MMCQ.quantize(myPixels, maxColors); +var newPalette = cmap.palette(); +var newPixels = myPixels.map(function(p) { + return cmap.map(p); +}); + + */ +var MMCQ = (function() { + // private constants + var sigbits = 5, + rshift = 8 - sigbits, + maxIterations = 1000, + fractByPopulations = 0.75; + + // get reduced-space color index for a pixel + + function getColorIndex(r, g, b) { + return (r << (2 * sigbits)) + (g << sigbits) + b; + } + + // Simple priority queue + + function PQueue(comparator) { + var contents = [], + sorted = false; + + function sort() { + contents.sort(comparator); + sorted = true; + } + + return { + push: function(o) { + contents.push(o); + sorted = false; + }, + peek: function(index) { + if (!sorted) sort(); + if (index === undefined) index = contents.length - 1; + return contents[index]; + }, + pop: function() { + if (!sorted) sort(); + return contents.pop(); + }, + size: function() { + return contents.length; + }, + map: function(f) { + return contents.map(f); + }, + debug: function() { + if (!sorted) sort(); + return contents; + } + }; + } + + // 3d color space box + + function VBox(r1, r2, g1, g2, b1, b2, histo) { + var vbox = this; + vbox.r1 = r1; + vbox.r2 = r2; + vbox.g1 = g1; + vbox.g2 = g2; + vbox.b1 = b1; + vbox.b2 = b2; + vbox.histo = histo; + } + VBox.prototype = { + volume: function(force) { + var vbox = this; + if (!vbox._volume || force) { + vbox._volume = ((vbox.r2 - vbox.r1 + 1) * (vbox.g2 - vbox.g1 + 1) * (vbox.b2 - vbox.b1 + 1)); + } + return vbox._volume; + }, + count: function(force) { + var vbox = this, + histo = vbox.histo; + if (!vbox._count_set || force) { + var npix = 0, + i, j, k, index; + for (i = vbox.r1; i <= vbox.r2; i++) { + for (j = vbox.g1; j <= vbox.g2; j++) { + for (k = vbox.b1; k <= vbox.b2; k++) { + index = getColorIndex(i, j, k); + npix += (histo[index] || 0); + } + } + } + vbox._count = npix; + vbox._count_set = true; + } + return vbox._count; + }, + copy: function() { + var vbox = this; + return new VBox(vbox.r1, vbox.r2, vbox.g1, vbox.g2, vbox.b1, vbox.b2, vbox.histo); + }, + avg: function(force) { + var vbox = this, + histo = vbox.histo; + if (!vbox._avg || force) { + var ntot = 0, + mult = 1 << (8 - sigbits), + rsum = 0, + gsum = 0, + bsum = 0, + hval, + i, j, k, histoindex; + for (i = vbox.r1; i <= vbox.r2; i++) { + for (j = vbox.g1; j <= vbox.g2; j++) { + for (k = vbox.b1; k <= vbox.b2; k++) { + histoindex = getColorIndex(i, j, k); + hval = histo[histoindex] || 0; + ntot += hval; + rsum += (hval * (i + 0.5) * mult); + gsum += (hval * (j + 0.5) * mult); + bsum += (hval * (k + 0.5) * mult); + } + } + } + if (ntot) { + vbox._avg = [~~(rsum / ntot), ~~ (gsum / ntot), ~~ (bsum / ntot)]; + } else { + //console.log('empty box'); + vbox._avg = [~~(mult * (vbox.r1 + vbox.r2 + 1) / 2), ~~ (mult * (vbox.g1 + vbox.g2 + 1) / 2), ~~ (mult * (vbox.b1 + vbox.b2 + 1) / 2)]; + } + } + return vbox._avg; + }, + contains: function(pixel) { + var vbox = this, + rval = pixel[0] >> rshift; + gval = pixel[1] >> rshift; + bval = pixel[2] >> rshift; + return (rval >= vbox.r1 && rval <= vbox.r2 && + gval >= vbox.g1 && gval <= vbox.g2 && + bval >= vbox.b1 && bval <= vbox.b2); + } + }; + + // Color map + + function CMap() { + this.vboxes = new PQueue(function(a, b) { + return pv.naturalOrder( + a.vbox.count() * a.vbox.volume(), + b.vbox.count() * b.vbox.volume() + ) + });; + } + CMap.prototype = { + push: function(vbox) { + this.vboxes.push({ + vbox: vbox, + color: vbox.avg() + }); + }, + palette: function() { + return this.vboxes.map(function(vb) { + return vb.color + }); + }, + size: function() { + return this.vboxes.size(); + }, + map: function(color) { + var vboxes = this.vboxes; + for (var i = 0; i < vboxes.size(); i++) { + if (vboxes.peek(i).vbox.contains(color)) { + return vboxes.peek(i).color; + } + } + return this.nearest(color); + }, + nearest: function(color) { + var vboxes = this.vboxes, + d1, d2, pColor; + for (var i = 0; i < vboxes.size(); i++) { + d2 = Math.sqrt( + Math.pow(color[0] - vboxes.peek(i).color[0], 2) + + Math.pow(color[1] - vboxes.peek(i).color[1], 2) + + Math.pow(color[2] - vboxes.peek(i).color[2], 2) + ); + if (d2 < d1 || d1 === undefined) { + d1 = d2; + pColor = vboxes.peek(i).color; + } + } + return pColor; + }, + forcebw: function() { + // XXX: won't work yet + var vboxes = this.vboxes; + vboxes.sort(function(a, b) { + return pv.naturalOrder(pv.sum(a.color), pv.sum(b.color)) + }); + + // force darkest color to black if everything < 5 + var lowest = vboxes[0].color; + if (lowest[0] < 5 && lowest[1] < 5 && lowest[2] < 5) + vboxes[0].color = [0, 0, 0]; + + // force lightest color to white if everything > 251 + var idx = vboxes.length - 1, + highest = vboxes[idx].color; + if (highest[0] > 251 && highest[1] > 251 && highest[2] > 251) + vboxes[idx].color = [255, 255, 255]; + } + }; + + // histo (1-d array, giving the number of pixels in + // each quantized region of color space), or null on error + + function getHisto(pixels) { + var histosize = 1 << (3 * sigbits), + histo = new Array(histosize), + index, rval, gval, bval; + pixels.forEach(function(pixel) { + rval = pixel[0] >> rshift; + gval = pixel[1] >> rshift; + bval = pixel[2] >> rshift; + index = getColorIndex(rval, gval, bval); + histo[index] = (histo[index] || 0) + 1; + }); + return histo; + } + + function vboxFromPixels(pixels, histo) { + var rmin = 1000000, + rmax = 0, + gmin = 1000000, + gmax = 0, + bmin = 1000000, + bmax = 0, + rval, gval, bval; + // find min/max + pixels.forEach(function(pixel) { + rval = pixel[0] >> rshift; + gval = pixel[1] >> rshift; + bval = pixel[2] >> rshift; + if (rval < rmin) rmin = rval; + else if (rval > rmax) rmax = rval; + if (gval < gmin) gmin = gval; + else if (gval > gmax) gmax = gval; + if (bval < bmin) bmin = bval; + else if (bval > bmax) bmax = bval; + }); + return new VBox(rmin, rmax, gmin, gmax, bmin, bmax, histo); + } + + function medianCutApply(histo, vbox) { + if (!vbox.count()) return; + + var rw = vbox.r2 - vbox.r1 + 1, + gw = vbox.g2 - vbox.g1 + 1, + bw = vbox.b2 - vbox.b1 + 1, + maxw = pv.max([rw, gw, bw]); + // only one pixel, no split + if (vbox.count() == 1) { + return [vbox.copy()] + } + /* Find the partial sum arrays along the selected axis. */ + var total = 0, + partialsum = [], + lookaheadsum = [], + i, j, k, sum, index; + if (maxw == rw) { + for (i = vbox.r1; i <= vbox.r2; i++) { + sum = 0; + for (j = vbox.g1; j <= vbox.g2; j++) { + for (k = vbox.b1; k <= vbox.b2; k++) { + index = getColorIndex(i, j, k); + sum += (histo[index] || 0); + } + } + total += sum; + partialsum[i] = total; + } + } else if (maxw == gw) { + for (i = vbox.g1; i <= vbox.g2; i++) { + sum = 0; + for (j = vbox.r1; j <= vbox.r2; j++) { + for (k = vbox.b1; k <= vbox.b2; k++) { + index = getColorIndex(j, i, k); + sum += (histo[index] || 0); + } + } + total += sum; + partialsum[i] = total; + } + } else { /* maxw == bw */ + for (i = vbox.b1; i <= vbox.b2; i++) { + sum = 0; + for (j = vbox.r1; j <= vbox.r2; j++) { + for (k = vbox.g1; k <= vbox.g2; k++) { + index = getColorIndex(j, k, i); + sum += (histo[index] || 0); + } + } + total += sum; + partialsum[i] = total; + } + } + partialsum.forEach(function(d, i) { + lookaheadsum[i] = total - d + }); + + function doCut(color) { + var dim1 = color + '1', + dim2 = color + '2', + left, right, vbox1, vbox2, d2, count2 = 0; + for (i = vbox[dim1]; i <= vbox[dim2]; i++) { + if (partialsum[i] > total / 2) { + vbox1 = vbox.copy(); + vbox2 = vbox.copy(); + left = i - vbox[dim1]; + right = vbox[dim2] - i; + if (left <= right) + d2 = Math.min(vbox[dim2] - 1, ~~ (i + right / 2)); + else d2 = Math.max(vbox[dim1], ~~ (i - 1 - left / 2)); + // avoid 0-count boxes + while (!partialsum[d2]) d2++; + count2 = lookaheadsum[d2]; + while (!count2 && partialsum[d2 - 1]) count2 = lookaheadsum[--d2]; + // set dimensions + vbox1[dim2] = d2; + vbox2[dim1] = vbox1[dim2] + 1; + // console.log('vbox counts:', vbox.count(), vbox1.count(), vbox2.count()); + return [vbox1, vbox2]; + } + } + + } + // determine the cut planes + return maxw == rw ? doCut('r') : + maxw == gw ? doCut('g') : + doCut('b'); + } + + function quantize(pixels, maxcolors) { + // short-circuit + if (!pixels.length || maxcolors < 2 || maxcolors > 256) { + // console.log('wrong number of maxcolors'); + return false; + } + + // XXX: check color content and convert to grayscale if insufficient + + var histo = getHisto(pixels), + histosize = 1 << (3 * sigbits); + + // check that we aren't below maxcolors already + var nColors = 0; + histo.forEach(function() { + nColors++ + }); + if (nColors <= maxcolors) { + // XXX: generate the new colors from the histo and return + } + + // get the beginning vbox from the colors + var vbox = vboxFromPixels(pixels, histo), + pq = new PQueue(function(a, b) { + return pv.naturalOrder(a.count(), b.count()) + }); + pq.push(vbox); + + // inner function to do the iteration + + function iter(lh, target) { + var ncolors = 1, + niters = 0, + vbox; + while (niters < maxIterations) { + vbox = lh.pop(); + if (!vbox.count()) { /* just put it back */ + lh.push(vbox); + niters++; + continue; + } + // do the cut + var vboxes = medianCutApply(histo, vbox), + vbox1 = vboxes[0], + vbox2 = vboxes[1]; + + if (!vbox1) { + // console.log("vbox1 not defined; shouldn't happen!"); + return; + } + lh.push(vbox1); + if (vbox2) { /* vbox2 can be null */ + lh.push(vbox2); + ncolors++; + } + if (ncolors >= target) return; + if (niters++ > maxIterations) { + // console.log("infinite loop; perhaps too few pixels!"); + return; + } + } + } + + // first set of colors, sorted by population + iter(pq, fractByPopulations * maxcolors); + // console.log(pq.size(), pq.debug().length, pq.debug().slice()); + + // Re-sort by the product of pixel occupancy times the size in color space. + var pq2 = new PQueue(function(a, b) { + return pv.naturalOrder(a.count() * a.volume(), b.count() * b.volume()) + }); + while (pq.size()) { + pq2.push(pq.pop()); + } + + // next set - generate the median cuts using the (npix * vol) sorting. + iter(pq2, maxcolors - pq2.size()); + + // calculate the actual colors + var cmap = new CMap(); + while (pq2.size()) { + cmap.push(pq2.pop()); + } + + return cmap; + } + + return { + quantize: quantize + } +})(); + +module.exports = MMCQ.quantize + +},{}],2:[function(require,module,exports){ + +/* + Vibrant.js + by Jari Zwarts + + Color algorithm class that finds variations on colors in an image. + + Credits + -------- + Lokesh Dhakar (http://www.lokeshdhakar.com) - Created ColorThief + Google - Palette support library in Android + */ + +(function() { + var CanvasImage, Swatch, Vibrant, + bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; }, + slice = [].slice; + + window.Swatch = Swatch = (function() { + Swatch.prototype.hsl = void 0; + + Swatch.prototype.rgb = void 0; + + Swatch.prototype.population = 1; + + Swatch.yiq = 0; + + function Swatch(rgb, population) { + this.rgb = rgb; + this.population = population; + } + + Swatch.prototype.getHsl = function() { + if (!this.hsl) { + return this.hsl = Vibrant.rgbToHsl(this.rgb[0], this.rgb[1], this.rgb[2]); + } else { + return this.hsl; + } + }; + + Swatch.prototype.getPopulation = function() { + return this.population; + }; + + Swatch.prototype.getRgb = function() { + return this.rgb; + }; + + Swatch.prototype.getHex = function() { + return "#" + ((1 << 24) + (this.rgb[0] << 16) + (this.rgb[1] << 8) + this.rgb[2]).toString(16).slice(1, 7); + }; + + Swatch.prototype.getTitleTextColor = function() { + this._ensureTextColors(); + if (this.yiq < 200) { + return "#fff"; + } else { + return "#000"; + } + }; + + Swatch.prototype.getBodyTextColor = function() { + this._ensureTextColors(); + if (this.yiq < 150) { + return "#fff"; + } else { + return "#000"; + } + }; + + Swatch.prototype._ensureTextColors = function() { + if (!this.yiq) { + return this.yiq = (this.rgb[0] * 299 + this.rgb[1] * 587 + this.rgb[2] * 114) / 1000; + } + }; + + return Swatch; + + })(); + + window.Vibrant = Vibrant = (function() { + Vibrant.prototype.quantize = require('quantize'); + + Vibrant.prototype._swatches = []; + + Vibrant.prototype.TARGET_DARK_LUMA = 0.26; + + Vibrant.prototype.MAX_DARK_LUMA = 0.45; + + Vibrant.prototype.MIN_LIGHT_LUMA = 0.55; + + Vibrant.prototype.TARGET_LIGHT_LUMA = 0.74; + + Vibrant.prototype.MIN_NORMAL_LUMA = 0.3; + + Vibrant.prototype.TARGET_NORMAL_LUMA = 0.5; + + Vibrant.prototype.MAX_NORMAL_LUMA = 0.7; + + Vibrant.prototype.TARGET_MUTED_SATURATION = 0.3; + + Vibrant.prototype.MAX_MUTED_SATURATION = 0.4; + + Vibrant.prototype.TARGET_VIBRANT_SATURATION = 1; + + Vibrant.prototype.MIN_VIBRANT_SATURATION = 0.35; + + Vibrant.prototype.WEIGHT_SATURATION = 3; + + Vibrant.prototype.WEIGHT_LUMA = 6; + + Vibrant.prototype.WEIGHT_POPULATION = 1; + + Vibrant.prototype.VibrantSwatch = void 0; + + Vibrant.prototype.MutedSwatch = void 0; + + Vibrant.prototype.DarkVibrantSwatch = void 0; + + Vibrant.prototype.DarkMutedSwatch = void 0; + + Vibrant.prototype.LightVibrantSwatch = void 0; + + Vibrant.prototype.LightMutedSwatch = void 0; + + Vibrant.prototype.HighestPopulation = 0; + + function Vibrant(sourceImage, colorCount, quality) { + this.swatches = bind(this.swatches, this); + var a, allPixels, b, cmap, g, i, image, imageData, offset, pixelCount, pixels, r; + if (typeof colorCount === 'undefined') { + colorCount = 64; + } + if (typeof quality === 'undefined') { + quality = 5; + } + image = new CanvasImage(sourceImage); + try { + imageData = image.getImageData(); + pixels = imageData.data; + pixelCount = image.getPixelCount(); + allPixels = []; + i = 0; + while (i < pixelCount) { + offset = i * 4; + r = pixels[offset + 0]; + g = pixels[offset + 1]; + b = pixels[offset + 2]; + a = pixels[offset + 3]; + if (a >= 125) { + if (!(r > 250 && g > 250 && b > 250)) { + allPixels.push([r, g, b]); + } + } + i = i + quality; + } + cmap = this.quantize(allPixels, colorCount); + this._swatches = cmap.vboxes.map((function(_this) { + return function(vbox) { + return new Swatch(vbox.color, vbox.vbox.count()); + }; + })(this)); + this.maxPopulation = this.findMaxPopulation; + this.generateVarationColors(); + this.generateEmptySwatches(); + } finally { + image.removeCanvas(); + } + } + + Vibrant.prototype.generateVarationColors = function() { + this.VibrantSwatch = this.findColorVariation(this.TARGET_NORMAL_LUMA, this.MIN_NORMAL_LUMA, this.MAX_NORMAL_LUMA, this.TARGET_VIBRANT_SATURATION, this.MIN_VIBRANT_SATURATION, 1); + this.LightVibrantSwatch = this.findColorVariation(this.TARGET_LIGHT_LUMA, this.MIN_LIGHT_LUMA, 1, this.TARGET_VIBRANT_SATURATION, this.MIN_VIBRANT_SATURATION, 1); + this.DarkVibrantSwatch = this.findColorVariation(this.TARGET_DARK_LUMA, 0, this.MAX_DARK_LUMA, this.TARGET_VIBRANT_SATURATION, this.MIN_VIBRANT_SATURATION, 1); + this.MutedSwatch = this.findColorVariation(this.TARGET_NORMAL_LUMA, this.MIN_NORMAL_LUMA, this.MAX_NORMAL_LUMA, this.TARGET_MUTED_SATURATION, 0, this.MAX_MUTED_SATURATION); + this.LightMutedSwatch = this.findColorVariation(this.TARGET_LIGHT_LUMA, this.MIN_LIGHT_LUMA, 1, this.TARGET_MUTED_SATURATION, 0, this.MAX_MUTED_SATURATION); + return this.DarkMutedSwatch = this.findColorVariation(this.TARGET_DARK_LUMA, 0, this.MAX_DARK_LUMA, this.TARGET_MUTED_SATURATION, 0, this.MAX_MUTED_SATURATION); + }; + + Vibrant.prototype.generateEmptySwatches = function() { + var hsl; + if (this.VibrantSwatch === void 0) { + if (this.DarkVibrantSwatch !== void 0) { + hsl = this.DarkVibrantSwatch.getHsl(); + hsl[2] = this.TARGET_NORMAL_LUMA; + this.VibrantSwatch = new Swatch(Vibrant.hslToRgb(hsl[0], hsl[1], hsl[2]), 0); + } + } + if (this.DarkVibrantSwatch === void 0) { + if (this.VibrantSwatch !== void 0) { + hsl = this.VibrantSwatch.getHsl(); + hsl[2] = this.TARGET_DARK_LUMA; + return this.DarkVibrantSwatch = new Swatch(Vibrant.hslToRgb(hsl[0], hsl[1], hsl[2]), 0); + } + } + }; + + Vibrant.prototype.findMaxPopulation = function() { + var j, len, population, ref, swatch; + population = 0; + ref = this._swatches; + for (j = 0, len = ref.length; j < len; j++) { + swatch = ref[j]; + population = Math.max(population, swatch.getPopulation()); + } + return population; + }; + + Vibrant.prototype.findColorVariation = function(targetLuma, minLuma, maxLuma, targetSaturation, minSaturation, maxSaturation) { + var j, len, luma, max, maxValue, ref, sat, swatch, value; + max = void 0; + maxValue = 0; + ref = this._swatches; + for (j = 0, len = ref.length; j < len; j++) { + swatch = ref[j]; + sat = swatch.getHsl()[1]; + luma = swatch.getHsl()[2]; + if (sat >= minSaturation && sat <= maxSaturation && luma >= minLuma && luma <= maxLuma && !this.isAlreadySelected(swatch)) { + value = this.createComparisonValue(sat, targetSaturation, luma, targetLuma, swatch.getPopulation(), this.HighestPopulation); + if (max === void 0 || value > maxValue) { + max = swatch; + maxValue = value; + } + } + } + return max; + }; + + Vibrant.prototype.createComparisonValue = function(saturation, targetSaturation, luma, targetLuma, population, maxPopulation) { + return this.weightedMean(this.invertDiff(saturation, targetSaturation), this.WEIGHT_SATURATION, this.invertDiff(luma, targetLuma), this.WEIGHT_LUMA, population / maxPopulation, this.WEIGHT_POPULATION); + }; + + Vibrant.prototype.invertDiff = function(value, targetValue) { + return 1 - Math.abs(value - targetValue); + }; + + Vibrant.prototype.weightedMean = function() { + var i, sum, sumWeight, value, values, weight; + values = 1 <= arguments.length ? slice.call(arguments, 0) : []; + sum = 0; + sumWeight = 0; + i = 0; + while (i < values.length) { + value = values[i]; + weight = values[i + 1]; + sum += value * weight; + sumWeight += weight; + i += 2; + } + return sum / sumWeight; + }; + + Vibrant.prototype.swatches = function() { + return { + Vibrant: this.VibrantSwatch, + Muted: this.MutedSwatch, + DarkVibrant: this.DarkVibrantSwatch, + DarkMuted: this.DarkMutedSwatch, + LightVibrant: this.LightVibrantSwatch, + LightMuted: this.LightMuted + }; + }; + + Vibrant.prototype.isAlreadySelected = function(swatch) { + return this.VibrantSwatch === swatch || this.DarkVibrantSwatch === swatch || this.LightVibrantSwatch === swatch || this.MutedSwatch === swatch || this.DarkMutedSwatch === swatch || this.LightMutedSwatch === swatch; + }; + + Vibrant.rgbToHsl = function(r, g, b) { + var d, h, l, max, min, s; + r /= 255; + g /= 255; + b /= 255; + max = Math.max(r, g, b); + min = Math.min(r, g, b); + h = void 0; + s = void 0; + l = (max + min) / 2; + if (max === min) { + h = s = 0; + } else { + d = max - min; + s = l > 0.5 ? d / (2 - max - min) : d / (max + min); + switch (max) { + case r: + h = (g - b) / d + (g < b ? 6 : 0); + break; + case g: + h = (b - r) / d + 2; + break; + case b: + h = (r - g) / d + 4; + } + h /= 6; + } + return [h, s, l]; + }; + + Vibrant.hslToRgb = function(h, s, l) { + var b, g, hue2rgb, p, q, r; + r = void 0; + g = void 0; + b = void 0; + hue2rgb = function(p, q, t) { + if (t < 0) { + t += 1; + } + if (t > 1) { + t -= 1; + } + if (t < 1 / 6) { + return p + (q - p) * 6 * t; + } + if (t < 1 / 2) { + return q; + } + if (t < 2 / 3) { + return p + (q - p) * (2 / 3 - t) * 6; + } + return p; + }; + if (s === 0) { + r = g = b = l; + } else { + q = l < 0.5 ? l * (1 + s) : l + s - (l * s); + p = 2 * l - q; + r = hue2rgb(p, q, h + 1 / 3); + g = hue2rgb(p, q, h); + b = hue2rgb(p, q, h - (1 / 3)); + } + return [r * 255, g * 255, b * 255]; + }; + + return Vibrant; + + })(); + + + /* + CanvasImage Class + Class that wraps the html image element and canvas. + It also simplifies some of the canvas context manipulation + with a set of helper functions. + Stolen from https://github.com/lokesh/color-thief + */ + + window.CanvasImage = CanvasImage = (function() { + function CanvasImage(image, context) { + + if (context) { + this.width = image.width; + this.height = image.height; + + this.context = context; + } else { + this.canvas = document.createElement('canvas'); + this.width = this.canvas.width = image.width; + this.height = this.canvas.height = image.height; + + this.context = this.canvas.getContext('2d'); + this.context.drawImage(image, 0, 0, this.width, this.height); + } + } + + CanvasImage.prototype.getPixelCount = function() { + return this.width * this.height; + }; + + CanvasImage.prototype.getImageData = function () { + return this.context.getImageData(0, 0, this.width, this.height); + }; + + CanvasImage.prototype.removeCanvas = function() { + this.context = null; + this.canvas = null; + }; + + return CanvasImage; + + })(); + +}).call(this); + +},{"quantize":1}]},{},[2]);