aaac7fed
 liuqimichale
add
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'use strict';
function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : _defaults(subClass, superClass); }
var Declaration = require('../declaration');
var ImageRendering = function (_Declaration) {
_inherits(ImageRendering, _Declaration);
function ImageRendering() {
_classCallCheck(this, ImageRendering);
return _possibleConstructorReturn(this, _Declaration.apply(this, arguments));
}
/**
* Add hack only for crisp-edges
*/
ImageRendering.prototype.check = function check(decl) {
return decl.value === 'pixelated';
};
/**
* Change property name for IE
*/
ImageRendering.prototype.prefixed = function prefixed(prop, prefix) {
if (prefix === '-ms-') {
return '-ms-interpolation-mode';
} else {
return _Declaration.prototype.prefixed.call(this, prop, prefix);
}
};
/**
* Change property and value for IE
*/
ImageRendering.prototype.set = function set(decl, prefix) {
if (prefix !== '-ms-') return _Declaration.prototype.set.call(this, decl, prefix);
decl.prop = '-ms-interpolation-mode';
decl.value = 'nearest-neighbor';
return decl;
};
/**
* Return property name by spec
*/
ImageRendering.prototype.normalize = function normalize() {
return 'image-rendering';
};
/**
* Warn on old value
*/
ImageRendering.prototype.process = function process(node, result) {
return _Declaration.prototype.process.call(this, node, result);
};
return ImageRendering;
}(Declaration);
Object.defineProperty(ImageRendering, 'names', {
enumerable: true,
writable: true,
value: ['image-rendering', 'interpolation-mode']
});
module.exports = ImageRendering;
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