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https://github.com/willdale/SwiftUICharts
A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility features built in.
https://github.com/willdale/SwiftUICharts
bar-chart chart charts doughnut-chart filled-line-chart graph grouped-bar-chart ios line-chart macos multi-line-chart pie-chart range-bar-chart stacked-bar-chart swift swiftui tvos
Last synced: about 2 months ago
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A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility features built in.
- Host: GitHub
- URL: https://github.com/willdale/SwiftUICharts
- Owner: willdale
- License: mit
- Created: 2021-01-10T07:53:19.000Z (over 3 years ago)
- Default Branch: main
- Last Pushed: 2023-09-24T05:57:12.000Z (9 months ago)
- Last Synced: 2024-01-29T17:11:50.353Z (5 months ago)
- Topics: bar-chart, chart, charts, doughnut-chart, filled-line-chart, graph, grouped-bar-chart, ios, line-chart, macos, multi-line-chart, pie-chart, range-bar-chart, stacked-bar-chart, swift, swiftui, tvos
- Language: Swift
- Homepage:
- Size: 4.51 MB
- Stars: 773
- Watchers: 17
- Forks: 96
- Open Issues: 52
-
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
Lists
- awesome-swift - SwiftUICharts - A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility and Localization features built in. (Libs / Chart)
- awesome-swifte - SwiftUICharts - A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility and Localization features built in. (Libs / Chart)
- awesome-swifty - SwiftUICharts - A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility and Localization features built in. (Libs / Chart)
- awesome-swift4 - SwiftUICharts - A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility and Localization features built in. (Libs / Chart)
- fucking-awesome-swift - SwiftUICharts - A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility and Localization features built in. (Libs / Chart)
- awesome-swiftxx - SwiftUICharts - A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility and Localization features built in. (Libs / Chart)
- awesome-stars - willdale/SwiftUICharts - A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility features built in. (Swift)
- awesome-swiftqq - SwiftUICharts - A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility and Localization features built in. (Libs / Chart)
- awesome-swift - SwiftUICharts - A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility and Localization features built in. (Libs / Chart)
README
# SwiftUICharts
A charts / plotting library for SwiftUI. Works on macOS, iOS, watchOS, and tvOS and has accessibility and Localization features built in.
[Demo Project](https://github.com/willdale/SwiftUICharts-Demo)
[Documentation](https://willdale.github.io/SwiftUICharts/index.html)
Working on a [Version 3](https://github.com/willdale/SwiftUICharts/tree/release/3) with a more SwiftUI feel to the API.
## Chart Types
- [Line Chart](#Line-Chart)
- [Filled Line Chart](#Filled-Line-Chart)
- [Multi Line Chart](#Multi-Line-Chart)
- [Ranged Line Chart](#Ranged-Line-Chart)
- [Bar Chart](#Bar-Chart)
- [Ranged Bar Chart](#Ranged-Bar-Chart)
- [Grouped Bar Chart](#Grouped-Bar-Chart)
- [Stacked Bar Chart](#Stacked-Bar-Chart)
- [Pie Chart](#Pie-Chart)
- [Doughnut Chart](#Doughnut-Chart)
### Line Charts
#### Line Chart
Uses `LineChartData` data model.
```swift
LineChart(chartData: LineChartData)
```
---
#### Filled Line Chart
Uses `LineChartData` data model.
```swift
FilledLineChart(chartData: LineChartData)
```
---
#### Multi Line Chart
Uses `MultiLineChartData` data model.
```swift
MultiLineChart(chartData: MultiLineChartData)
```
---
#### Ranged Line Chart
Uses `RangedLineChart` data model.
```swift
RangedLineChart(chartData: RangedLineChartData)
```
---
### Bar Charts
#### Bar Chart
Uses `BarChartData` data model.
```swift
BarChart(chartData: BarChartData)
```
---
#### Range Bar Chart
Uses `RangedBarChartData` data model.
```swift
RangedBarChart(chartData: RangedBarChartData)
```
---
#### Grouped Bar Chart
Uses `GroupedBarChartData` data model.
```swift
GroupedBarChart(chartData: GroupedBarChartData)
```
---
#### Stacked Bar Chart
Uses `StackedBarChartData` data model.
```swift
StackedBarChart(chartData: StackedBarChartData)
```
---
### Pie Charts
#### Pie Chart
Uses `PieChartData` data model.
```swift
PieChart(chartData: PieChartData)
```
---
#### Doughnut Chart
Uses `DoughnutChartData` data model.
```swift
DoughnutChart(chartData: DoughnutChartData)
```
---
## Documentation
### Installation
Swift Package Manager
```
File > Swift Packages > Add Package Dependency...
```
```swift
import SwiftUICharts
```
If you have trouble with views not updating correctly, add `.id()` to your View.
```swift
LineChart(chartData: LineChartData)
.id(LineChartData.id)
```
---
## View Modifiers
- [Touch Overlay](#Touch-Overlay)
- [Info Box](#Info-Box)
- [Floating Info Box](#Floating-Info-Box)
- [Header Box](#Header-Box)
- [Legends](#Legends)
- [Average Line](#Average-Line)
- [Y Axis Point Of Interest](#Y-Axis-Point-Of-Interest)
- [X Axis Grid](#X-Axis-Grid)
- [Y Axis Grid](#Y-Axis-Grid)
- [X Axis Labels](#X-Axis-Labels)
- [Y Axis Labels](#Y-Axis-Labels)
- [Linear Trend Line](#Linear-Trend-Line)
- [Point Markers](#Point-Markers)
The order of the view modifiers is some what important as the modifiers are various types of stacks that wrap around the previous views.
---
### All Chart Types
#### Touch Overlay
Detects input either from touch of pointer. Finds the nearest data point and displays the relevent information where specified.
The location of the info box is set in `ChartStyle -> infoBoxPlacement`.
```swift
.touchOverlay(chartData: CTChartData, specifier: String, unit: TouchUnit)
```
- chartData: Chart data model.
- specifier: Decimal precision for labels.
- unit: Unit to put before or after the value.
Setup within Chart Data --> Chart Style
---
#### Info Box
Displays the information from [Touch Overlay](#Touch-Overlay) if `InfoBoxPlacement` is set to `.infoBox`.
The location of the info box is set in `ChartStyle -> infoBoxPlacement`.
```swift
.infoBox(chartData: CTChartData)
```
- chartData: Chart data model.
---
#### Floating Info Box
Displays the information from [Touch Overlay](#Touch-Overlay) if `InfoBoxPlacement` is set to `.floating`.
The location of the info box is set in `ChartStyle -> infoBoxPlacement`.
```swift
.floatingInfoBox(chartData: CTChartData)
```
- chartData: Chart data model.
---
#### Header Box
Displays the metadata about the chart, set in `Chart Data -> ChartMetadata`
Displays the information from [Touch Overlay](#Touch-Overlay) if `InfoBoxPlacement` is set to `.header`.
The location of the info box is set in `ChartStyle -> infoBoxPlacement`.
```swift
.headerBox(chartData: CTChartData)
```
---
#### Legends
Displays legends.
```swift
.legends()
```
Lays out markers over each of the data point.
---
### Line and Bar Charts
#### Average Line
Shows a marker line at the average of all the data points.
```swift
.averageLine(chartData: CTLineBarChartDataProtocol,
markerName: "Average",
labelPosition: .yAxis(specifier: "%.0f"),
lineColour: .primary,
strokeStyle: StrokeStyle(lineWidth: 3, dash: [5,10]))
```
- chartData: Chart data model.
- markerName: Title of marker, for the legend.
- labelPosition: Option to display the markers’ value inline with the marker.
- labelColour: Colour of the Text.
- labelBackground: Colour of the background.
- lineColour: Line Colour.
- strokeStyle: Style of Stroke.
---
#### Y Axis Point Of Interest
Configurable Point of interest
```swift
.yAxisPOI(chartData: CTLineBarChartDataProtocol,
markerName: "Marker",
markerValue: 123,
labelPosition: .center(specifier: "%.0f"),
labelColour: Color.black,
labelBackground: Color.orange,
lineColour: Color.orange,
strokeStyle: StrokeStyle(lineWidth: 3, dash: [5,10]))
```
- chartData: Chart data model.
- markerName: Title of marker, for the legend.
- markerValue: Value to mark
- labelPosition: Option to display the markers’ value inline with the marker.
- labelColour: Colour of the Text.
- labelBackground: Colour of the background.
- lineColour: Line Colour.
- strokeStyle: Style of Stroke.
- Returns: A new view containing the chart with a marker line at a specified value.
---
#### X Axis Grid
Adds vertical lines along the X axis.
```swift
.xAxisGrid(chartData: CTLineBarChartDataProtocol)
```
Setup within `ChartData -> ChartStyle`.
---
#### Y Axis Grid
Adds horizontal lines along the Y axis.
```swift
.yAxisGrid(chartData: CTLineBarChartDataProtocol)
```
Setup within `ChartData -> ChartStyle`.
---
#### X Axis Labels
Labels for the X axis.
```swift
.xAxisLabels(chartData: CTLineBarChartDataProtocol)
```
Setup within `ChartData -> ChartStyle`.
---
#### Y Axis Labels
Automatically generated labels for the Y axis
```swift
.yAxisLabels(chartData: CTLineBarChartDataProtocol, specifier: "%.0f")
```
- specifier: Decimal precision specifier.
Setup within `ChartData -> ChartStyle`.
yAxisLabelType:
```swift
case numeric // Auto generated, numeric labels.
case custom // Custom labels array
```
Custom is set from `ChartData -> yAxisLabels`
---
#### Linear Trend Line
A line across the chart to show the trend in the data.
```swift
.linearTrendLine(chartData: CTLineBarChartDataProtocol,
firstValue: Double,
lastValue: Double,
lineColour: ColourStyle,
strokeStyle: StrokeStyle)
```
---
### Line Charts
#### Point Markers
Lays out markers over each of the data point.
```swift
.pointMarkers(chartData: CTLineChartDataProtocol)
```
Setup within `Data Set -> PointStyle`.
---
#### Filled Top Line
Adds an independent line on top of FilledLineChart.
```swift
.filledTopLine(chartData: LineChartData,
lineColour: ColourStyle,
strokeStyle: StrokeStyle)
```
Allows for a hard line over the data point with a semi opaque fill.
---
## Examples
### Line Chart
```swift
struct LineChartDemoView: View {
let data : LineChartData = weekOfData()
var body: some View {
VStack {
LineChart(chartData: data)
.pointMarkers(chartData: data)
.touchOverlay(chartData: data, specifier: "%.0f")
.yAxisPOI(chartData: data,
markerName: "Step Count Aim",
markerValue: 15_000,
labelPosition: .center(specifier: "%.0f"),
labelColour: Color.black,
labelBackground: Color(red: 1.0, green: 0.75, blue: 0.25),
lineColour: Color(red: 1.0, green: 0.75, blue: 0.25),
strokeStyle: StrokeStyle(lineWidth: 3, dash: [5,10]))
.yAxisPOI(chartData: data,
markerName: "Minimum Recommended",
markerValue: 10_000,
labelPosition: .center(specifier: "%.0f"),
labelColour: Color.white,
labelBackground: Color(red: 0.25, green: 0.75, blue: 1.0),
lineColour: Color(red: 0.25, green: 0.75, blue: 1.0),
strokeStyle: StrokeStyle(lineWidth: 3, dash: [5,10]))
.averageLine(chartData: data,
strokeStyle: StrokeStyle(lineWidth: 3, dash: [5,10]))
.xAxisGrid(chartData: data)
.yAxisGrid(chartData: data)
.xAxisLabels(chartData: data)
.yAxisLabels(chartData: data)
.infoBox(chartData: data)
.headerBox(chartData: data)
.legends(chartData: data, columns: [GridItem(.flexible()), GridItem(.flexible())])
.id(data.id)
.frame(minWidth: 150, maxWidth: 900, minHeight: 150, idealHeight: 250, maxHeight: 400, alignment: .center)
}
.navigationTitle("Week of Data")
}
static func weekOfData() -> LineChartData {
let data = LineDataSet(dataPoints: [
LineChartDataPoint(value: 12000, xAxisLabel: "M", description: "Monday"),
LineChartDataPoint(value: 10000, xAxisLabel: "T", description: "Tuesday"),
LineChartDataPoint(value: 8000, xAxisLabel: "W", description: "Wednesday"),
LineChartDataPoint(value: 17500, xAxisLabel: "T", description: "Thursday"),
LineChartDataPoint(value: 16000, xAxisLabel: "F", description: "Friday"),
LineChartDataPoint(value: 11000, xAxisLabel: "S", description: "Saturday"),
LineChartDataPoint(value: 9000, xAxisLabel: "S", description: "Sunday")
],
legendTitle: "Steps",
pointStyle: PointStyle(),
style: LineStyle(lineColour: ColourStyle(colour: .red), lineType: .curvedLine))
let metadata = ChartMetadata(title: "Step Count", subtitle: "Over a Week")
let gridStyle = GridStyle(numberOfLines: 7,
lineColour : Color(.lightGray).opacity(0.5),
lineWidth : 1,
dash : [8],
dashPhase : 0)
let chartStyle = LineChartStyle(infoBoxPlacement : .infoBox(isStatic: false),
infoBoxBorderColour : Color.primary,
infoBoxBorderStyle : StrokeStyle(lineWidth: 1),
markerType : .vertical(attachment: .line(dot: .style(DotStyle()))),
xAxisGridStyle : gridStyle,
xAxisLabelPosition : .bottom,
xAxisLabelColour : Color.primary,
xAxisLabelsFrom : .dataPoint(rotation: .degrees(0)),
yAxisGridStyle : gridStyle,
yAxisLabelPosition : .leading,
yAxisLabelColour : Color.primary,
yAxisNumberOfLabels : 7,
baseline : .minimumWithMaximum(of: 5000),
topLine : .maximum(of: 20000),
globalAnimation : .easeOut(duration: 1))
return LineChartData(dataSets : data,
metadata : metadata,
chartStyle : chartStyle)
}
}
```
# Accessibility
Inside certain elements are additional tags to help describe the chart for VoiceOver.
See [Localization of Accessibility](#Localization-of-Accessibility)
# Localization
All labels support localization. There are, however, some hidden labels that are there to support VoiceOver. See [Localization of Accessibility](#Localization-of-Accessibility)
# Localization of Accessibility
See the localization demo in the [Demo Project](https://github.com/willdale/SwiftUICharts-Demo).
---
Voice over description of a datapoint when the user touches the area closest to the data point.
The VoiceOver will say `, , `.
```swift
"%@ " = "%@, ";
```
Read out before a `poiMarker`.
The VoiceOver will say `
, , `.
```swift
"P-O-I-Marker" = "P O I Marker";
"Average" = "Average";
```
Voice over description of a `poiMarker`.
The VoiceOver will say `, , `.
```swift
" %@" = "local_marker_legend_title, %@";
```
Read out before a `axisLabel`.
The VoiceOver will say `, `.
```
"X-Axis-Label" = "X Axis Label";
"Y-Axis-Label" = "Y Axis Label";
```
Read out before a `legend`.
The VoiceOver will say `, `.
```swift
"Line-Chart-Legend" = "Line Chart Legend";
"P-O-I-Marker-Legend" = "P O I Marker Legend";
"Bar-Chart-Legend" = "Bar Chart Legend";
"P-O-I-Marker-Legend" = "P O I Marker Legend";
"Pie-Chart-Legend" = "Pie Chart Legend";
"P-O-I-Marker-Legend" = "P O I Marker Legend";
```