sorry for doing this.
This commit is contained in:
cryptofyre
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commit
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106 changed files with 86 additions and 259 deletions
872
oldshit/resources/lyrics/Vibrant.js
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872
oldshit/resources/lyrics/Vibrant.js
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(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<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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/*
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* quantize.js Copyright 2008 Nick Rabinowitz
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* Ported to node.js by Olivier Lesnicki
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* Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
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*/
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// fill out a couple protovis dependencies
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/*
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* Block below copied from Protovis: http://mbostock.github.com/protovis/
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* Copyright 2010 Stanford Visualization Group
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* Licensed under the BSD License: http://www.opensource.org/licenses/bsd-license.php
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*/
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if (!pv) {
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var pv = {
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map: function(array, f) {
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var o = {};
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return f ? array.map(function(d, i) {
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o.index = i;
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return f.call(o, d);
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}) : array.slice();
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},
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naturalOrder: function(a, b) {
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return (a < b) ? -1 : ((a > b) ? 1 : 0);
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},
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sum: function(array, f) {
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var o = {};
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return array.reduce(f ? function(p, d, i) {
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o.index = i;
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return p + f.call(o, d);
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} : function(p, d) {
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return p + d;
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}, 0);
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},
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max: function(array, f) {
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return Math.max.apply(null, f ? pv.map(array, f) : array);
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}
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}
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}
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/**
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* Basic Javascript port of the MMCQ (modified median cut quantization)
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* algorithm from the Leptonica library (http://www.leptonica.com/).
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* Returns a color map you can use to map original pixels to the reduced
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* palette. Still a work in progress.
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*
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* @author Nick Rabinowitz
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* @example
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// array of pixels as [R,G,B] arrays
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var myPixels = [[190,197,190], [202,204,200], [207,214,210], [211,214,211], [205,207,207]
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// etc
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];
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var maxColors = 4;
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var cmap = MMCQ.quantize(myPixels, maxColors);
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var newPalette = cmap.palette();
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var newPixels = myPixels.map(function(p) {
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return cmap.map(p);
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});
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*/
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var MMCQ = (function() {
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// private constants
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var sigbits = 5,
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rshift = 8 - sigbits,
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maxIterations = 1000,
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fractByPopulations = 0.75;
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// get reduced-space color index for a pixel
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function getColorIndex(r, g, b) {
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return (r << (2 * sigbits)) + (g << sigbits) + b;
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}
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// Simple priority queue
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function PQueue(comparator) {
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var contents = [],
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sorted = false;
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function sort() {
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contents.sort(comparator);
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sorted = true;
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}
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return {
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push: function(o) {
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contents.push(o);
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sorted = false;
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},
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peek: function(index) {
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if (!sorted) sort();
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if (index === undefined) index = contents.length - 1;
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return contents[index];
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},
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pop: function() {
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if (!sorted) sort();
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return contents.pop();
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},
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size: function() {
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return contents.length;
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},
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map: function(f) {
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return contents.map(f);
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},
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debug: function() {
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if (!sorted) sort();
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return contents;
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}
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};
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}
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// 3d color space box
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function VBox(r1, r2, g1, g2, b1, b2, histo) {
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var vbox = this;
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vbox.r1 = r1;
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vbox.r2 = r2;
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vbox.g1 = g1;
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vbox.g2 = g2;
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vbox.b1 = b1;
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vbox.b2 = b2;
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vbox.histo = histo;
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}
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VBox.prototype = {
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volume: function(force) {
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var vbox = this;
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if (!vbox._volume || force) {
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vbox._volume = ((vbox.r2 - vbox.r1 + 1) * (vbox.g2 - vbox.g1 + 1) * (vbox.b2 - vbox.b1 + 1));
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}
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return vbox._volume;
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},
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count: function(force) {
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var vbox = this,
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histo = vbox.histo;
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if (!vbox._count_set || force) {
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var npix = 0,
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i, j, k;
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for (i = vbox.r1; i <= vbox.r2; i++) {
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for (j = vbox.g1; j <= vbox.g2; j++) {
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for (k = vbox.b1; k <= vbox.b2; k++) {
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index = getColorIndex(i, j, k);
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npix += (histo[index] || 0);
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}
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}
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}
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vbox._count = npix;
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vbox._count_set = true;
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}
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return vbox._count;
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},
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copy: function() {
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var vbox = this;
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return new VBox(vbox.r1, vbox.r2, vbox.g1, vbox.g2, vbox.b1, vbox.b2, vbox.histo);
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},
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avg: function(force) {
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var vbox = this,
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histo = vbox.histo;
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if (!vbox._avg || force) {
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var ntot = 0,
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mult = 1 << (8 - sigbits),
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rsum = 0,
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gsum = 0,
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bsum = 0,
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hval,
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i, j, k, histoindex;
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for (i = vbox.r1; i <= vbox.r2; i++) {
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for (j = vbox.g1; j <= vbox.g2; j++) {
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for (k = vbox.b1; k <= vbox.b2; k++) {
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histoindex = getColorIndex(i, j, k);
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hval = histo[histoindex] || 0;
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ntot += hval;
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rsum += (hval * (i + 0.5) * mult);
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gsum += (hval * (j + 0.5) * mult);
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bsum += (hval * (k + 0.5) * mult);
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}
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}
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}
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if (ntot) {
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vbox._avg = [~~(rsum / ntot), ~~ (gsum / ntot), ~~ (bsum / ntot)];
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} else {
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//console.log('empty box');
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vbox._avg = [~~(mult * (vbox.r1 + vbox.r2 + 1) / 2), ~~ (mult * (vbox.g1 + vbox.g2 + 1) / 2), ~~ (mult * (vbox.b1 + vbox.b2 + 1) / 2)];
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}
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}
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return vbox._avg;
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},
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contains: function(pixel) {
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var vbox = this,
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rval = pixel[0] >> rshift;
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gval = pixel[1] >> rshift;
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bval = pixel[2] >> rshift;
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return (rval >= vbox.r1 && rval <= vbox.r2 &&
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gval >= vbox.g1 && gval <= vbox.g2 &&
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bval >= vbox.b1 && bval <= vbox.b2);
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}
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};
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// Color map
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function CMap() {
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this.vboxes = new PQueue(function(a, b) {
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return pv.naturalOrder(
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a.vbox.count() * a.vbox.volume(),
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b.vbox.count() * b.vbox.volume()
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)
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});;
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}
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CMap.prototype = {
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push: function(vbox) {
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this.vboxes.push({
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vbox: vbox,
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color: vbox.avg()
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});
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},
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palette: function() {
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return this.vboxes.map(function(vb) {
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return vb.color
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});
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},
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size: function() {
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return this.vboxes.size();
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},
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map: function(color) {
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var vboxes = this.vboxes;
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for (var i = 0; i < vboxes.size(); i++) {
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if (vboxes.peek(i).vbox.contains(color)) {
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return vboxes.peek(i).color;
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}
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}
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return this.nearest(color);
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},
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nearest: function(color) {
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var vboxes = this.vboxes,
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d1, d2, pColor;
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for (var i = 0; i < vboxes.size(); i++) {
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d2 = Math.sqrt(
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Math.pow(color[0] - vboxes.peek(i).color[0], 2) +
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Math.pow(color[1] - vboxes.peek(i).color[1], 2) +
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Math.pow(color[2] - vboxes.peek(i).color[2], 2)
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);
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if (d2 < d1 || d1 === undefined) {
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d1 = d2;
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pColor = vboxes.peek(i).color;
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}
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}
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return pColor;
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},
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forcebw: function() {
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// XXX: won't work yet
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var vboxes = this.vboxes;
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vboxes.sort(function(a, b) {
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return pv.naturalOrder(pv.sum(a.color), pv.sum(b.color))
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});
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// force darkest color to black if everything < 5
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var lowest = vboxes[0].color;
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if (lowest[0] < 5 && lowest[1] < 5 && lowest[2] < 5)
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vboxes[0].color = [0, 0, 0];
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// force lightest color to white if everything > 251
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var idx = vboxes.length - 1,
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highest = vboxes[idx].color;
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if (highest[0] > 251 && highest[1] > 251 && highest[2] > 251)
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vboxes[idx].color = [255, 255, 255];
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}
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};
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// histo (1-d array, giving the number of pixels in
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// each quantized region of color space), or null on error
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function getHisto(pixels) {
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var histosize = 1 << (3 * sigbits),
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histo = new Array(histosize),
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index, rval, gval, bval;
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pixels.forEach(function(pixel) {
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rval = pixel[0] >> rshift;
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gval = pixel[1] >> rshift;
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bval = pixel[2] >> rshift;
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index = getColorIndex(rval, gval, bval);
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histo[index] = (histo[index] || 0) + 1;
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});
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return histo;
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}
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function vboxFromPixels(pixels, histo) {
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var rmin = 1000000,
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rmax = 0,
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gmin = 1000000,
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gmax = 0,
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bmin = 1000000,
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bmax = 0,
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rval, gval, bval;
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// find min/max
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pixels.forEach(function(pixel) {
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rval = pixel[0] >> rshift;
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gval = pixel[1] >> rshift;
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bval = pixel[2] >> rshift;
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if (rval < rmin) rmin = rval;
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else if (rval > rmax) rmax = rval;
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if (gval < gmin) gmin = gval;
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else if (gval > gmax) gmax = gval;
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if (bval < bmin) bmin = bval;
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else if (bval > bmax) bmax = bval;
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});
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return new VBox(rmin, rmax, gmin, gmax, bmin, bmax, histo);
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}
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function medianCutApply(histo, vbox) {
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if (!vbox.count()) return;
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var rw = vbox.r2 - vbox.r1 + 1,
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gw = vbox.g2 - vbox.g1 + 1,
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bw = vbox.b2 - vbox.b1 + 1,
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maxw = pv.max([rw, gw, bw]);
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// only one pixel, no split
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if (vbox.count() == 1) {
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return [vbox.copy()]
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}
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/* Find the partial sum arrays along the selected axis. */
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var total = 0,
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partialsum = [],
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lookaheadsum = [],
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i, j, k, sum, index;
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if (maxw == rw) {
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for (i = vbox.r1; i <= vbox.r2; i++) {
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sum = 0;
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for (j = vbox.g1; j <= vbox.g2; j++) {
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for (k = vbox.b1; k <= vbox.b2; k++) {
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index = getColorIndex(i, j, k);
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sum += (histo[index] || 0);
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}
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}
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total += sum;
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partialsum[i] = total;
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}
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} else if (maxw == gw) {
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for (i = vbox.g1; i <= vbox.g2; i++) {
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sum = 0;
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for (j = vbox.r1; j <= vbox.r2; j++) {
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for (k = vbox.b1; k <= vbox.b2; k++) {
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index = getColorIndex(j, i, k);
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sum += (histo[index] || 0);
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}
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}
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total += sum;
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partialsum[i] = total;
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}
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} else { /* maxw == bw */
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for (i = vbox.b1; i <= vbox.b2; i++) {
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sum = 0;
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for (j = vbox.r1; j <= vbox.r2; j++) {
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for (k = vbox.g1; k <= vbox.g2; k++) {
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index = getColorIndex(j, k, i);
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sum += (histo[index] || 0);
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}
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}
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total += sum;
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partialsum[i] = total;
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}
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}
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partialsum.forEach(function(d, i) {
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lookaheadsum[i] = total - d
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});
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function doCut(color) {
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var dim1 = color + '1',
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dim2 = color + '2',
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left, right, vbox1, vbox2, d2, count2 = 0;
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for (i = vbox[dim1]; i <= vbox[dim2]; i++) {
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if (partialsum[i] > total / 2) {
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vbox1 = vbox.copy();
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vbox2 = vbox.copy();
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left = i - vbox[dim1];
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right = vbox[dim2] - i;
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if (left <= right)
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d2 = Math.min(vbox[dim2] - 1, ~~ (i + right / 2));
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else d2 = Math.max(vbox[dim1], ~~ (i - 1 - left / 2));
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// avoid 0-count boxes
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while (!partialsum[d2]) d2++;
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count2 = lookaheadsum[d2];
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while (!count2 && partialsum[d2 - 1]) count2 = lookaheadsum[--d2];
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// set dimensions
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vbox1[dim2] = d2;
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vbox2[dim1] = vbox1[dim2] + 1;
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// console.log('vbox counts:', vbox.count(), vbox1.count(), vbox2.count());
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return [vbox1, vbox2];
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}
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}
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}
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// determine the cut planes
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return maxw == rw ? doCut('r') :
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maxw == gw ? doCut('g') :
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doCut('b');
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}
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function quantize(pixels, maxcolors) {
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// short-circuit
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if (!pixels.length || maxcolors < 2 || maxcolors > 256) {
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// console.log('wrong number of maxcolors');
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return false;
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}
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// XXX: check color content and convert to grayscale if insufficient
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var histo = getHisto(pixels),
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histosize = 1 << (3 * sigbits);
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// check that we aren't below maxcolors already
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var nColors = 0;
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histo.forEach(function() {
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nColors++
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});
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if (nColors <= maxcolors) {
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// XXX: generate the new colors from the histo and return
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}
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// get the beginning vbox from the colors
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var vbox = vboxFromPixels(pixels, histo),
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pq = new PQueue(function(a, b) {
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return pv.naturalOrder(a.count(), b.count())
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});
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pq.push(vbox);
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// inner function to do the iteration
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function iter(lh, target) {
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var ncolors = 1,
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niters = 0,
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vbox;
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while (niters < maxIterations) {
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vbox = lh.pop();
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if (!vbox.count()) { /* just put it back */
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lh.push(vbox);
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niters++;
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continue;
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}
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// do the cut
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var vboxes = medianCutApply(histo, vbox),
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vbox1 = vboxes[0],
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vbox2 = vboxes[1];
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if (!vbox1) {
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// console.log("vbox1 not defined; shouldn't happen!");
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return;
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}
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lh.push(vbox1);
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if (vbox2) { /* vbox2 can be null */
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lh.push(vbox2);
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ncolors++;
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}
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if (ncolors >= target) return;
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if (niters++ > maxIterations) {
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// console.log("infinite loop; perhaps too few pixels!");
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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);
|
||||
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();
|
||||
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) {
|
||||
this.canvas = document.createElement('canvas');
|
||||
this.context = this.canvas.getContext('2d');
|
||||
document.body.appendChild(this.canvas);
|
||||
this.width = this.canvas.width = image.width;
|
||||
this.height = this.canvas.height = image.height;
|
||||
this.context.drawImage(image, 0, 0, this.width, this.height);
|
||||
}
|
||||
|
||||
CanvasImage.prototype.clear = function() {
|
||||
return this.context.clearRect(0, 0, this.width, this.height);
|
||||
};
|
||||
|
||||
CanvasImage.prototype.update = function(imageData) {
|
||||
return this.context.putImageData(imageData, 0, 0);
|
||||
};
|
||||
|
||||
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() {
|
||||
return this.canvas.parentNode.removeChild(this.canvas);
|
||||
};
|
||||
|
||||
return CanvasImage;
|
||||
|
||||
})();
|
||||
|
||||
}).call(this);
|
||||
|
||||
},{"quantize":1}]},{},[2]);
|
||||
Loading…
Add table
Add a link
Reference in a new issue