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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
define("dojo/colors", ["./_base/kernel", "./_base/lang", "./_base/Color", "./_base/array"], function(dojo, lang, Color, ArrayUtil) {
// module:
// dojo/colors
// summary:
// TODOC
var ColorExt = lang.getObject("dojo.colors", true);
//TODO: this module appears to break naming conventions
/*=====
lang.mixin(dojo, {
colors: {
// summary: Color utilities, extending Base dojo.Color
}
});
=====*/
// this is a standard conversion prescribed by the CSS3 Color Module
var hue2rgb = function(m1, m2, h){
if(h < 0){ ++h; }
if(h > 1){ --h; }
var h6 = 6 * h;
if(h6 < 1){ return m1 + (m2 - m1) * h6; }
if(2 * h < 1){ return m2; }
if(3 * h < 2){ return m1 + (m2 - m1) * (2 / 3 - h) * 6; }
return m1;
};
// Override base Color.fromRgb with the impl in this module
dojo.colorFromRgb = Color.fromRgb = function(/*String*/ color, /*dojo.Color?*/ obj){
// summary:
// get rgb(a) array from css-style color declarations
// description:
// this function can handle all 4 CSS3 Color Module formats: rgb,
// rgba, hsl, hsla, including rgb(a) with percentage values.
var m = color.toLowerCase().match(/^(rgba?|hsla?)\(([\s\.\-,%0-9]+)\)/);
if(m){
var c = m[2].split(/\s*,\s*/), l = c.length, t = m[1], a;
if((t == "rgb" && l == 3) || (t == "rgba" && l == 4)){
var r = c[0];
if(r.charAt(r.length - 1) == "%"){
// 3 rgb percentage values
a = ArrayUtil.map(c, function(x){
return parseFloat(x) * 2.56;
});
if(l == 4){ a[3] = c[3]; }
return Color.fromArray(a, obj); // dojo.Color
}
return Color.fromArray(c, obj); // dojo.Color
}
if((t == "hsl" && l == 3) || (t == "hsla" && l == 4)){
// normalize hsl values
var H = ((parseFloat(c[0]) % 360) + 360) % 360 / 360,
S = parseFloat(c[1]) / 100,
L = parseFloat(c[2]) / 100,
// calculate rgb according to the algorithm
// recommended by the CSS3 Color Module
m2 = L <= 0.5 ? L * (S + 1) : L + S - L * S,
m1 = 2 * L - m2;
a = [
hue2rgb(m1, m2, H + 1 / 3) * 256,
hue2rgb(m1, m2, H) * 256,
hue2rgb(m1, m2, H - 1 / 3) * 256,
1
];
if(l == 4){ a[3] = c[3]; }
return Color.fromArray(a, obj); // dojo.Color
}
}
return null; // dojo.Color
};
var confine = function(c, low, high){
// summary:
// sanitize a color component by making sure it is a number,
// and clamping it to valid values
c = Number(c);
return isNaN(c) ? high : c < low ? low : c > high ? high : c; // Number
};
Color.prototype.sanitize = function(){
// summary: makes sure that the object has correct attributes
var t = this;
t.r = Math.round(confine(t.r, 0, 255));
t.g = Math.round(confine(t.g, 0, 255));
t.b = Math.round(confine(t.b, 0, 255));
t.a = confine(t.a, 0, 1);
return this; // dojo.Color
};
ColorExt.makeGrey = Color.makeGrey = function(/*Number*/ g, /*Number?*/ a){
// summary: creates a greyscale color with an optional alpha
return Color.fromArray([g, g, g, a]); // dojo.Color
};
// mixin all CSS3 named colors not already in _base, along with SVG 1.0 variant spellings
lang.mixin(Color.named, {
"aliceblue": [240,248,255],
"antiquewhite": [250,235,215],
"aquamarine": [127,255,212],
"azure": [240,255,255],
"beige": [245,245,220],
"bisque": [255,228,196],
"blanchedalmond": [255,235,205],
"blueviolet": [138,43,226],
"brown": [165,42,42],
"burlywood": [222,184,135],
"cadetblue": [95,158,160],
"chartreuse": [127,255,0],
"chocolate": [210,105,30],
"coral": [255,127,80],
"cornflowerblue": [100,149,237],
"cornsilk": [255,248,220],
"crimson": [220,20,60],
"cyan": [0,255,255],
"darkblue": [0,0,139],
"darkcyan": [0,139,139],
"darkgoldenrod": [184,134,11],
"darkgray": [169,169,169],
"darkgreen": [0,100,0],
"darkgrey": [169,169,169],
"darkkhaki": [189,183,107],
"darkmagenta": [139,0,139],
"darkolivegreen": [85,107,47],
"darkorange": [255,140,0],
"darkorchid": [153,50,204],
"darkred": [139,0,0],
"darksalmon": [233,150,122],
"darkseagreen": [143,188,143],
"darkslateblue": [72,61,139],
"darkslategray": [47,79,79],
"darkslategrey": [47,79,79],
"darkturquoise": [0,206,209],
"darkviolet": [148,0,211],
"deeppink": [255,20,147],
"deepskyblue": [0,191,255],
"dimgray": [105,105,105],
"dimgrey": [105,105,105],
"dodgerblue": [30,144,255],
"firebrick": [178,34,34],
"floralwhite": [255,250,240],
"forestgreen": [34,139,34],
"gainsboro": [220,220,220],
"ghostwhite": [248,248,255],
"gold": [255,215,0],
"goldenrod": [218,165,32],
"greenyellow": [173,255,47],
"grey": [128,128,128],
"honeydew": [240,255,240],
"hotpink": [255,105,180],
"indianred": [205,92,92],
"indigo": [75,0,130],
"ivory": [255,255,240],
"khaki": [240,230,140],
"lavender": [230,230,250],
"lavenderblush": [255,240,245],
"lawngreen": [124,252,0],
"lemonchiffon": [255,250,205],
"lightblue": [173,216,230],
"lightcoral": [240,128,128],
"lightcyan": [224,255,255],
"lightgoldenrodyellow": [250,250,210],
"lightgray": [211,211,211],
"lightgreen": [144,238,144],
"lightgrey": [211,211,211],
"lightpink": [255,182,193],
"lightsalmon": [255,160,122],
"lightseagreen": [32,178,170],
"lightskyblue": [135,206,250],
"lightslategray": [119,136,153],
"lightslategrey": [119,136,153],
"lightsteelblue": [176,196,222],
"lightyellow": [255,255,224],
"limegreen": [50,205,50],
"linen": [250,240,230],
"magenta": [255,0,255],
"mediumaquamarine": [102,205,170],
"mediumblue": [0,0,205],
"mediumorchid": [186,85,211],
"mediumpurple": [147,112,219],
"mediumseagreen": [60,179,113],
"mediumslateblue": [123,104,238],
"mediumspringgreen": [0,250,154],
"mediumturquoise": [72,209,204],
"mediumvioletred": [199,21,133],
"midnightblue": [25,25,112],
"mintcream": [245,255,250],
"mistyrose": [255,228,225],
"moccasin": [255,228,181],
"navajowhite": [255,222,173],
"oldlace": [253,245,230],
"olivedrab": [107,142,35],
"orange": [255,165,0],
"orangered": [255,69,0],
"orchid": [218,112,214],
"palegoldenrod": [238,232,170],
"palegreen": [152,251,152],
"paleturquoise": [175,238,238],
"palevioletred": [219,112,147],
"papayawhip": [255,239,213],
"peachpuff": [255,218,185],
"peru": [205,133,63],
"pink": [255,192,203],
"plum": [221,160,221],
"powderblue": [176,224,230],
"rosybrown": [188,143,143],
"royalblue": [65,105,225],
"saddlebrown": [139,69,19],
"salmon": [250,128,114],
"sandybrown": [244,164,96],
"seagreen": [46,139,87],
"seashell": [255,245,238],
"sienna": [160,82,45],
"skyblue": [135,206,235],
"slateblue": [106,90,205],
"slategray": [112,128,144],
"slategrey": [112,128,144],
"snow": [255,250,250],
"springgreen": [0,255,127],
"steelblue": [70,130,180],
"tan": [210,180,140],
"thistle": [216,191,216],
"tomato": [255,99,71],
"turquoise": [64,224,208],
"violet": [238,130,238],
"wheat": [245,222,179],
"whitesmoke": [245,245,245],
"yellowgreen": [154,205,50]
});
return Color;
});
|
