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
|
<!doctype html>
<html>
<head>
<title>Palette Test</title>
<script type="text/javascript" src="/js/jquery-1.9.1.min.js"></script>
<script type="text/javascript" src="/js/canvasquery.js"></script>
<script type="text/javascript" src="/js/draw.js"></script>
<script type="text/javascript" src="/js/color.js"></script>
<script type="text/javascript" src="/js/util.js"></script>
</head>
<body>
<img src="/img/palette.gif" id="palette">
</body>
<script type="text/javascript">
$("#palette").load(function(){
console.log("hello");
var offset = $("#palette").offset();
var paletteImg = $("#palette")[0];
var palette = cq(paletteImg);
var pattern, mask;
var color = new Color( 0, 0, 0 );
$("body").append(palette.canvas);
$("#palette").click(function(e){
// they are all 8x8
// the first one starts at (15, 5), next one is 16 pixels down or to the right
// there are 16 rows and 6 columns, so 92 patterns total
var point = new Point(e, offset);
point.subtract({ x: 15, y: 5 });
point.quantize( 18, 16 );
point.add({ x: 15, y: 5 });
pattern = palette.clone().crop( point.x, point.y, 8, 8 );
mask = pattern.colorToMask("#fff");
pattern.applyMask(mask);
patternURI = pattern.clone().blend( color.toString(), "screen", 1.0 ).canvas.toDataURL("image/png");
document.body.style.backgroundImage = 'url(' + patternURI + ')';
});
for (var i in colors) {
var swatch = colors[i].swatch();
document.body.appendChild(swatch);
swatch.onclick = function(){
color = $(this).data("color");
p = cq(paletteImg);
patternURI = pattern.clone().blend( color.toString(), "screen", 1.0 ).canvas.toDataURL("image/png");
document.body.style.backgroundImage = 'url(' + patternURI + ')';
}
}
});
</script>
</html>
|
