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| ideas:color-object [2014/07/09 19:25] – Add asKeyword(). tabatkins | ideas:color-object [2014/07/10 02:08] – <code idl> crissov | ||
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| + | <code idl> | ||
| [Constructor(double r, double g, double b, optional double a=1), | [Constructor(double r, double g, double b, optional double a=1), | ||
| | | ||
| Line 21: | Line 22: | ||
| static readonly attribute Map serializationTypes; | static readonly attribute Map serializationTypes; | ||
| }; | }; | ||
| + | </ | ||
| - | The toString() method looks up the type in the RGBAColor.serializationTypes Map; if it finds a function, it calls that with the RGBAColor as the sole argument and returns whatever the function returns. | + | The '' |
| - | Authors can define their own color formats by adding a fromFoo() to RGBAColor, a toFoo() to RGBAColor.prototype, | + | Authors can define their own color formats by adding a '' |
| + | <code idl> | ||
| dictionary RGBAColorInit { | dictionary RGBAColorInit { | ||
| double r = 0; | double r = 0; | ||
| Line 50: | Line 53: | ||
| RGBAColor parseColor(DOMString color, optional Element el); | RGBAColor parseColor(DOMString color, optional Element el); | ||
| }; | }; | ||
| + | </ | ||
| - | parseColor() takes a string containing any CSS color, and returns an RGBAColor for it. If the string isn't parseable as a color, throw a SyntaxError exception. | + | '' |
| The optional second argument is used to resolve colors that vary based on the element, such as '' | The optional second argument is used to resolve colors that vary based on the element, such as '' | ||