kityminder
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80 lines (49 loc) • 1.73 kB
JavaScript
/*
* 效果类
* 该类型的对象不存储任何内部属性， 所有操作都是针对该类对象所维护的节点进行的
*/
define(function(require, exports, module) {
var svg = require('../../graphic/svg'),
Effect = require('../../core/class').createClass('Effect', {
constructor: function(type) {
this.node = svg.createNode(type);
},
getId: function() {
return this.node.id;
},
setId: function(id) {
this.node.id = id;
return this;
},
set: function(key, value) {
this.node.setAttribute(key, value);
return this;
},
get: function(key) {
return this.node.getAttribute(key);
},
getNode: function() {
return this.node;
},
// 返回该效果的result
toString: function() {
return this.node.getAttribute('result') || '';
}
});
require('../../core/utils').extend(Effect, {
// 特效名称常量
NAME_GAUSSIAN_BLUR: 'feGaussianBlur',
NAME_OFFSET: 'feOffset',
NAME_COMPOSITE: 'feComposite',
NAME_COLOR_MATRIX: 'feColorMatrix',
NAME_CONVOLVE_MATRIX: 'feConvolveMatrix',
// 输入常量
INPUT_SOURCE_GRAPHIC: 'SourceGraphic',
INPUT_SOURCE_ALPHA: 'SourceAlpha',
INPUT_BACKGROUND_IMAGE: 'BackgroundImage',
INPUT_BACKGROUND_ALPHA: 'BackgroundAlpha',
INPUT_FILL_PAINT: 'FillPaint',
INPUT_STROKE_PAINT: 'StrokePaint'
});
return Effect;
});