1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
Effects = (function() {
function pixelate(id) {
var canvas = document.getElementById('canvas-' + id);
var p = new paper.PaperScope();
p.setup(canvas);
var raster = new paper.Raster('img-' + id);
raster.visible = false;
var gridSize = 6;
var gridDim = 9;
var cols = [];
raster.size = new paper.Size(153, 153); // hard coded workaround to round values
raster.position = p.view.center;
raster.on('load', function() {
var h = Math.round(raster.height / gridDim);
var w = Math.round(raster.width / gridDim);
for (var y = 0; y < gridDim; y++) {
for(var x = 0; x < gridDim; x++) {
var color = raster.getAverageColor(new paper.Path.Rectangle({
point: [w*x, h*y],
size: [w, h]
}));
// console.log(w, h, x, y, color.red, color.green, color.blue);
cols.push(
Math.round(256 * color.red),
Math.round(256 * color.green),
Math.round(256 * color.blue),
1 // alpha
);
var rec = new paper.Path.Rectangle({
point: [x * gridSize, y * gridSize],
size: [gridSize, gridSize],
strokeColor: color,
fillColor: color
});
}
}
p.view.draw();
cols = new Uint8Array(cols);
var quant = new RgbQuant({
colors: 2,
minHueCols: 16
});
quant.sample(cols);
var palette = quant.palette(true);
var newcolors = quant.reduce(cols);
// if (window.gb === undefined)
// window.gb = [];
// window.gb.push(palette[0][0], palette[0][1], palette[0][2], 0.16);
// window.gb.push(palette[1][0], palette[1][1], palette[1][2], 0.16);
var newcolors2 = [];
for (var x=0; x < gridDim * gridDim; x++) {
newcolors2.push([newcolors[(x*4)], newcolors[(x*4)+1], newcolors[(x*4)+2]]);
// skip dummy alpha value (x*4)+3
}
Session.set(id + ':colors', cols);
Session.set(id + ':palette', palette);
Session.set(id + ':newcolors', newcolors2);
});
}
function colorize(id) {
var canvas = document.getElementById('canvas-' + id);
var p = new paper.PaperScope();
p.setup(canvas);
// params
var gridSize = 6;
var gridDim = 9;
// fetch the new colors
var pc1 = new paper.Color(Session.get(id + ':pc1'));
var pc2 = new paper.Color(Session.get(id + ':pc2'));
var colors = Session.get(id + ':newcolors');
// sample each color, diff and color new pixels
for (var y = 0; y < gridDim; y++) {
for(var x = 0; x < gridDim; x++) {
var c = colors[(y * gridDim) + x];
var nc = new paper.Color(c[0] / 256, c[1] / 256, c[2] / 256);
// console.log(x * gridSize, y * gridSize, nc);
var rec = new paper.Path.Rectangle({
point: [x * gridSize, y * gridSize],
size: [gridSize, gridSize],
strokeColor: nc,
fillColor: nc
});
}
}
p.view.draw();
}
function average() {
var canvas = document.getElementById('canvas-all');
var p = new paper.PaperScope();
p.setup(canvas);
var i = 0;
var photos = $('.instagram-photo');
canvas.width = 150;
canvas.style.width = 150;
_.each(photos, function(x) {
var raster = new paper.Raster(x);
raster.position = new paper.Size(75, 75);
raster.opacity = 1 / photos.length;
})
p.view.draw();
var quant = new RgbQuant({
colors: 2,
minHueCols: 16
});
quant.sample(canvas);
var g_palette = quant.palette(true);
var g_p1 = new paper.Color(g_palette[0][0] / 256, g_palette[0][1] / 256, g_palette[0][2] / 256);
var g_p2 = new paper.Color(g_palette[1][0] / 256, g_palette[1][1] / 256, g_palette[1][2] / 256);
console.log(g_palette);
_.each(photos, function(x) {
var id = x.id.split('-')[1];
var cols = Session.get(id + ':newcolors');
var palette = Session.get(id + ':palette');
var canvas = document.getElementById('canvas-' + id);
var p = new paper.PaperScope();
p.setup(canvas);
// params
var gridSize = 6;
var gridDim = 9;
var p1 = new paper.Color(palette[0][0] / 256, palette[0][1] / 256, palette[0][2] / 256);
var p2 = new paper.Color(palette[1][0] / 256, palette[1][1] / 256, palette[1][2] / 256);
var d1 = Math.abs(p1.red - g_p1.red) + Math.abs(p1.green - g_p1.green) + Math.abs(p1.blue - g_p1.blue);
var d2 = Math.abs(p2.red - g_p1.red) + Math.abs(p2.green - g_p1.green) + Math.abs(p2.blue - g_p1.blue);
var d3 = Math.abs(p1.red - g_p2.red) + Math.abs(p1.green - g_p2.green) + Math.abs(p1.blue - g_p2.blue);
var d4 = Math.abs(p2.red - g_p2.red) + Math.abs(p2.green - g_p2.green) + Math.abs(p2.blue - g_p2.blue);
var flipped = false;
if (d1+d4 > d2+d3) {
var t = p2;
p2 = p1;
p1 = t;
flipped = true;
}
for (var y = 0; y < gridDim; y++) {
for(var x = 0; x < gridDim; x++) {
var c = cols[(y * gridDim) + x];
var nc;
if (c[0] == palette[0][0] && c[1] == palette[0][1] && palette[0][2]) {
nc = flipped ? g_p2 : g_p1;
} else {
nc = flipped ? g_p1 : g_p2;
}
var rec = new paper.Path.Rectangle({
point: [x * gridSize, y * gridSize],
size: [gridSize, gridSize],
strokeColor: nc,
fillColor: nc
});
}
}
p.view.draw();
});
}
return {
pixelate: pixelate,
colorize: colorize,
average: average
}
})();
|
