/** * @class Ext.draw.gradient.Gradient * * Creates a gradient. */Ext.define('Ext.draw.gradient.Gradient', { requires: ['Ext.draw.Color'], isGradient: true, config: { /** * Defines the stops of the gradient. */ stops: [] }, applyStops: function (newStops) { var stops = [], ln = newStops.length, i, stop, color; for (i = 0; i < ln; i++) { stop = newStops[i]; color = stop.color; if (!(color && color.isColor)) { color = Ext.util.Color.fly(color || Ext.util.Color.NONE); } stops.push({ offset: Math.min(1, Math.max(0, 'offset' in stop ? stop.offset : stop.position || 0)), color: color.toString() }); } stops.sort(function (a, b) { return a.offset - b.offset; }); return stops; }, onClassExtended: function (subClass, member) { if (!member.alias && member.type) { member.alias = 'gradient.' + member.type; } }, constructor: function (config) { this.initConfig(config); }, /** * @method * @protected * Generates the gradient for the given context. * @param {Ext.draw.engine.SvgContext} ctx The context. * @param {Object} bbox * @return {CanvasGradient/Ext.draw.engine.SvgContext.Gradient/Ext.util.Color.NONE} */ generateGradient: Ext.emptyFn });