saeipi / Kschart
Licence: mit
k线图/kline/kchart，已经集成MA/EMA/MACD/KDJ/BOLL/RSI/WR/AVG等指标，新增指标及其方便。适用于股票/区块链交易所等种类App。Swift5编写，CPU/内存占用率极低，60FPS稳定运行。示例集成websocket，并接入币安数据（需VPN）。
Stars: ✭ 909
Programming Languages
swift
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k线图/kline/kchart，已经集成MA/EMA/MACD/KDJ/BOLL/RSI/WR/AVG等指标，新增指标及其方便。适用于股票/区块链交易所等种类App。Swift5编写，CPU/内存占用率极低，60FPS稳定运行。示例集成websocket，并接入币安数据（需VPN）。项目采用CAShapelayer+UIBezierPath进行图形绘制，采用CATextLayer进行文本绘制。
KSChart 效果图
500多条K线数据，真机示例内存占用为11.8M（其中KSChart占用3M），机型不同CPU占用差异会比较大，老设备在滑动时帧数会略有下降
如果觉得好用就打个赏呗
开发环境
- Xcode 11.0+
- Swift 5.1+
示例
请参考KSKChartView.swift
class KSKChartView: KSBaseView {
lazy var klineData = [KSChartItem]()
lazy var configure: KSChartConfigure = KSChartConfigure.init()
weak var delegate: KSKChartViewDelegate?
lazy var chartView: KSKLineChartView = {
let chartView = KSKLineChartView(frame: self.bounds)
let style = configure.loadConfigure()
chartView.style = style
chartView.delegate = self
self.addSubview(chartView)
return chartView
}()
......
}
版本更新说明
5.1.8 稳定版
1、进一步优化CPU和内存占用率，CPU使用率降低20%以上；
2、精简代码KSKLineChartView代码；
3、分层管理k线视图的绘制内容；
4、重构边框与Y轴数值绘制代码；
5、修复已知bug。
5.1.9
1、新增WR/AVG指标
2、精简代码
3、优化API
5.1.10
1、优化时间线逻辑
2、精简代理方法
3、对外API统一风格
下个版本
1、重新添加最大最小值的显示
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