Created
August 13, 2010 11:40
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| function hsb2hsl(h, s, b) { | |
| var hsl = {h:h}; | |
| hsl.l = (2 - s) * b; | |
| hsl.s = s * b; | |
| if (hsl.l <= 1 && hsl.l > 0) { | |
| hsl.s /= hsl.l; | |
| } else { | |
| hsl.s /= 2 - hsl.l; | |
| } | |
| hsl.l /= 2; | |
| if (hsl.s > 1) { | |
| hsl.s = 1; | |
| } | |
| return hsl; | |
| } | |
| function eql(a, b) { | |
| if (a != b) { | |
| console.error("Expected: " + b + ". Actual: "+ a) | |
| } | |
| } | |
| eql( hsb2hsl(0, 0, 0).h, 0) | |
| eql( hsb2hsl(0, 0, 0).s, 0) | |
| eql( hsb2hsl(0, 0, 0).l, 0) | |
| eql( hsb2hsl(0, 0, 1).h, 0) | |
| eql( hsb2hsl(0, 0, 1).s, 0) | |
| eql( hsb2hsl(0, 0, 1).l, 1) | |
| eql( hsb2hsl(0, 0.5450980392156862, 1).s, 1) |
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