static/js/dncp/util/shape/HandlePolygon.js
/**
* zrender
*
* @author Kener (@Kener-林峰, kener.linfeng@gmail.com)
*
* shape类:handlePolygon,dataRange手柄
*/
define(function (require) {
var Base = require('zrender/shape/Base');
var PolygonShape = require('zrender/shape/Polygon');
var zrUtil = require('zrender/tool/util');
function HandlePolygon(options) {
Base.call(this, options);
}
HandlePolygon.prototype = {
type : 'handle-polygon',
/**
* 创建多边形路径
* @param {Context2D} ctx Canvas 2D上下文
* @param {Object} style 样式
*/
buildPath : function (ctx, style) {
PolygonShape.prototype.buildPath(
ctx, style
);
},
isCover : function (x, y) {
var originPos = this.transformCoordToLocal(x, y);
x = originPos[0];
y = originPos[1];
// 不能缓存rect!
var rect = this.style.rect;
if (x >= rect.x
&& x <= (rect.x + rect.width)
&& y >= rect.y
&& y <= (rect.y + rect.height)
) {
// 矩形内
return true;
}
else {
return false;
}
}
};
zrUtil.inherits(HandlePolygon, Base);
return HandlePolygon;
});