forked from zhurui/management
35 lines
735 B
JavaScript
35 lines
735 B
JavaScript
|
var Path = require("../Path");
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 圆弧
|
||
|
|
* @module zrender/graphic/shape/Arc
|
||
|
|
*/
|
||
|
|
var _default = Path.extend({
|
||
|
|
type: 'arc',
|
||
|
|
shape: {
|
||
|
|
cx: 0,
|
||
|
|
cy: 0,
|
||
|
|
r: 0,
|
||
|
|
startAngle: 0,
|
||
|
|
endAngle: Math.PI * 2,
|
||
|
|
clockwise: true
|
||
|
|
},
|
||
|
|
style: {
|
||
|
|
stroke: '#000',
|
||
|
|
fill: null
|
||
|
|
},
|
||
|
|
buildPath: function (ctx, shape) {
|
||
|
|
var x = shape.cx;
|
||
|
|
var y = shape.cy;
|
||
|
|
var r = Math.max(shape.r, 0);
|
||
|
|
var startAngle = shape.startAngle;
|
||
|
|
var endAngle = shape.endAngle;
|
||
|
|
var clockwise = shape.clockwise;
|
||
|
|
var unitX = Math.cos(startAngle);
|
||
|
|
var unitY = Math.sin(startAngle);
|
||
|
|
ctx.moveTo(unitX * r + x, unitY * r + y);
|
||
|
|
ctx.arc(x, y, r, startAngle, endAngle, !clockwise);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
module.exports = _default;
|