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SSLineChart

SSLineChart draws a UIImage of a chart with given values and provide additional functionality of gradient color fill.

Setup Instructions

CocoaPods

To integrate SSLineChart into your Xcode project using CocoaPods, specify it in your Podfile:

pod 'SSLineChart', '~> 1.0.0'

and in your code add import SSLineChart.

Swift Package Manager

When using Xcode 11 or later, you can install SSLineChart by going to your Project settings > Swift Packages and add the repository by providing the GitHub URL. Alternatively, you can go to File > Swift Packages > Add Package Dependencies...

Manually

1. Add SSLineChart.swift and SSLineChartData.swift to your project.
2. Grab yourself a cold 🍺.

Requirements

• Xcode 11+

Usage

Initial Setup

  let lineChart = SSLineChart()
  lineChart.chartMargin = 14
  lineChart.yLabelFormat = "%1.0f"
  lineChart.xLabels = (1...5).map{ $0.description }
  lineChart.yFixedValueMax = 100
  lineChart.yFixedValueMin = 20
  lineChart.yLabels = ["20", "60", "100"]
  lineChart.xLabelWidth = 15.0
  lineChart.yLabelHeight = 0
  lineChart.yLabelColor =  UIColor.white
  lineChart.xLabelColor =  UIColor.white
        
  let activityData = [45, 65, 30, 85, 40, 70, 83, 50]
        
  let data = SSLineChartData()
  data.lineColor = .white
  data.lineAlpha = 1
  data.lineWidth = 0.6
  data.itemCount = activityData.count
  data.getData = { index in
      let yValue = activityData[index]
      return CGFloat(yValue)
  }

  lineChart.chartData = [data]
  let chartImage = lineChart.drawImage()

Apply gradient

  lineChart.setGradientColor(colors: [.red, .orange], position: .topDown)

Chart Examples

Check out our other Libraries

MIT License

Copyright (c) 2022 Simform Solutions

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.