class

TUI::Painter

Inherits Reference < Object

Created by the application, passed down the widget tree by using #push to alter relative coordinates

When drawing use #w and #h for actual size

Use #pop after drawing

Constructors

new(w, h)

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new(wh : Tuple(Int32, Int32))

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Instance methods

[](i, j) : Cell

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[]=(i, j, width, str : String)

Draw a string str

Starting at point [i, j], with maximum width

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[]=(i, j, val : Cell)

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[]=(i, j, val : Char)

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[]=(i, j, str : String)

Draw a string str

Starting at point [i, j], up to maximum width

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[]?(i, j) : Cell | Nil

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centre(mid, j, str : String)

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centre(j, str)

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circle(x0 : Int32, y0 : Int32, radius : Int32 = 5, ch : Char = '█', debug = false)

TODO: do not set negative coordinate values

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clear(rect) : self

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clear

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diff(old : Array(Array(Cell)) | Nil = nil, &) : Bool

each

each_index

each_with_index

hline(x0 : Int32, y0 : Int32, len : Int32, ch : Char = '█', debug = false) : self

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line(x0 : Int32, y0 : Int32, x1 : Int32, y1 : Int32, ch : Char = '█', debug = false) : self

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poly(x_points : Array(Int32), y_points : Array(Int32), ch : Char = '█', debug = false) : self

Draws a polygon with points specified in separate arrays of x and y coordinates

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poly(points : Array(Tuple(Int32, Int32)), ch : Char = '█', debug = false) : self

Draws a polygon with points specified as an array of coordinate tuples

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pop

Pop offsets from stack

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print(i, j, str : String)

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push(new_x, new_y, new_w = Int32::MAX, new_h = Int32::MAX) : self

Push new offsets onto stack

Optional arguments can set a maximum width

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rect(x0 : Int32, y0 : Int32, x1 : Int32, y1 : Int32, ch : Char = '█', debug = false) : self

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resize(w, h) : self

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surface

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to_s(io : IO)

Appends a short String representation of this object which includes its class name and its object address.

class Person
  def initialize(@name : String, @age : Int32)
  end
end

Person.new("John", 32).to_s # => #<Person:0x10a199f20>

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vline(x0 : Int32, y0 : Int32, len : Int32, ch : Char = '█', debug = false) : self

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