janishutz/color-thief
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Updated demo page. Added package.json and bower.json.

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This commit is contained in:
Lokesh Dhakar
2014-04-08 01:22:02 -04:00
parent a2b283ae68
commit cb5c9c6ca8
22 changed files with 10733 additions and 1732 deletions
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32
js/color-thief.js
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@@ -98,10 +98,10 @@ ColorThief.prototype.getPalette = function(sourceImage, colorCount, quality) {
if (typeof colorCount === 'undefined') {
colorCount = 10;
};
}
if (typeof quality === 'undefined') {
quality = 10;
};
}
// Create custom CanvasImage object
var image = new CanvasImage(sourceImage);
@@ -154,18 +154,14 @@ if (!pv) {
var pv = {
map: function(array, f) {
var o = {};
return f
? array.map(function(d, i) { o.index = i; return f.call(o, d); })
: array.slice();
return f ? array.map(function(d, i) { o.index = i; return f.call(o, d); }) : array.slice();
},
naturalOrder: function(a, b) {
return (a < b) ? -1 : ((a > 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);
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);
@@ -341,8 +337,8 @@ var MMCQ = (function() {
return pv.naturalOrder(
a.vbox.count()*a.vbox.volume(),
b.vbox.count()*b.vbox.volume()
)
});;
);
});
}
CMap.prototype = {
push: function(vbox) {
@@ -352,7 +348,7 @@ var MMCQ = (function() {
});
},
palette: function() {
return this.vboxes.map(function(vb) { return vb.color });
return this.vboxes.map(function(vb) { return vb.color; });
},
size: function() {
return this.vboxes.size();
@@ -385,7 +381,7 @@ var MMCQ = (function() {
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) )});
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;
@@ -445,7 +441,7 @@ var MMCQ = (function() {
maxw = pv.max([rw, gw, bw]);
// only one pixel, no split
if (vbox.count() == 1) {
return [vbox.copy()]
return [vbox.copy()];
}
/* Find the partial sum arrays along the selected axis. */
var total = 0,
@@ -492,7 +488,7 @@ var MMCQ = (function() {
}
}
partialsum.forEach(function(d,i) {
lookaheadsum[i] = total-d
lookaheadsum[i] = total-d;
});
function doCut(color) {
var dim1 = color + '1',
@@ -540,14 +536,14 @@ var MMCQ = (function() {
// check that we aren't below maxcolors already
var nColors = 0;
histo.forEach(function() { nColors++ });
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 = new PQueue(function(a,b) { return pv.naturalOrder(a.count(), b.count()); });
pq.push(vbox);
// inner function to do the iteration
@@ -589,7 +585,7 @@ var MMCQ = (function() {
// 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())
return pv.naturalOrder(a.count()*a.volume(), b.count()*b.volume());
});
while (pq.size()) {
pq2.push(pq.pop());
@@ -609,5 +605,5 @@ var MMCQ = (function() {
return {
quantize: quantize
}
};
})();