class

Opal::UI::PieChart

Inherits Opal::UI::Element < Opal::UI::Themable < Reference < Object

Renders interactive 2D circular or donut PieCharts with slices, percentage breakdowns, TrueColor fills, and legend keys.

Constructors

new(slices : Array(PieSlice) = [] of PieSlice, title : String | Nil = nil, donut : Bool = false, inner_radius_ratio : Float64 = 0.42)

Source

Class methods

print(slices : Array(PieSlice), title : String | Nil = nil, donut : Bool = false, io : IO = STDOUT, width : Int32 | Nil = nil, height : Int32 = 12, inner_radius_ratio : Float64 = 0.42, color : Bool | Nil = nil, theme : Theme | Nil = nil) : Nil

Class convenience method printing styled pie chart directly to IO

Source

print(raw_slices : Array(Tuple(String, Float64)), title : String | Nil = nil, donut : Bool = false, io : IO = STDOUT, width : Int32 | Nil = nil, height : Int32 = 12, inner_radius_ratio : Float64 = 0.42, color : Bool | Nil = nil, theme : Theme | Nil = nil) : Nil

Overload printing tuples of {label, value} directly to IO

Source

to_string(slices : Array(PieSlice), title : String | Nil = nil, donut : Bool = false, width : Int32 | Nil = nil, height : Int32 = 12, inner_radius_ratio : Float64 = 0.42, color : Bool | Nil = nil, theme : Theme | Nil = nil) : String

Class convenience method returning styled pie chart string

Source

to_string(raw_slices : Array(Tuple(String, Float64)), title : String | Nil = nil, donut : Bool = false, width : Int32 | Nil = nil, height : Int32 = 12, inner_radius_ratio : Float64 = 0.42, color : Bool | Nil = nil, theme : Theme | Nil = nil) : String

Overload accepting tuples of {label, value}

Source

Instance methods

add(label : String, value : Float64, color : Color | Symbol | String = :cyan, formatted_value : String | Nil = nil) : Nil

donut=(donut : Bool)

donut?

inner_radius_ratio

inner_radius_ratio=(inner_radius_ratio : Float64)

Source

preferred_size(available_w : Int32, available_h : Int32) : Tuple(Int32, Int32)

Source

render(buffer : Buffer, x : Int32, y : Int32, width : Int32, height : Int32) : Nil

slices

title

total_value