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Clean up code.

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This commit is contained in:
Jürg Lehni 2011-06-01 20:23:20 +01:00
parent 7de0859a85
commit 6558574980
1 changed files with 19 additions and 18 deletions
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37
src/color/Color.js
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@ -63,39 +63,40 @@ var Color = this.Color = Base.extend(new function() {
}
var converters = {
'rgb-hsb': function(col) {
var hsb = Color.RGBtoHSB(col._red, col._green, col._blue);
return new HSBColor(hsb[0] * 360, hsb[1], hsb[2], col._alpha);
'rgb-hsb': function(color) {
var hsb = Color.RGBtoHSB(color._red, color._green, color._blue);
return new HSBColor(hsb[0] * 360, hsb[1], hsb[2], color._alpha);
},
'hsb-rgb': function(col) {
var rgb = Color.HSBtoRGB(col._hue / 360, col._saturation, col._brightness);
return new RGBColor(rgb[0], rgb[1], rgb[2], col._alpha);
'hsb-rgb': function(color) {
var rgb = Color.HSBtoRGB(color._hue / 360, color._saturation,
color._brightness);
return new RGBColor(rgb[0], rgb[1], rgb[2], color._alpha);
},
'rgb-gray': function(col) {
'rgb-gray': function(color) {
// Using the standard NTSC conversion formula that is used for
// calculating the effective luminance of an RGB color:
// http://www.mathworks.com/support/solutions/en/data/1-1ASCU/index.html?solution=1-1ASCU
return new GrayColor(1 -
(col._red * 0.2989
+ col._green * 0.587
+ col._blue * 0.114),
col._alpha
(color._red * 0.2989
+ color._green * 0.587
+ color._blue * 0.114),
color._alpha
);
},
'gray-rgb': function(col) {
var comp = 1 - col.getGray();
return new RGBColor(comp, comp, comp, col._alpha);
'gray-rgb': function(color) {
var comp = 1 - color.getGray();
return new RGBColor(comp, comp, comp, color._alpha);
},
'hsb-gray': function(col) {
return converters['rgb-gray'](converters['hsb-rgb'](col));
'hsb-gray': function(color) {
return converters['rgb-gray'](converters['hsb-rgb'](color));
},
'gray-hsb': function(col) {
return new HSBColor(0, 0, 1 - col._gray, col._alpha);
'gray-hsb': function(color) {
return new HSBColor(0, 0, 1 - color._gray, color._alpha);
}
};