Class: Framebuffer

Inherits:

Object

• Object
• Framebuffer

Defined in:

lib/roflbalt.rb

Instance Method Summary

• #get(x, y) ⇒ Object
• #initialize(background) ⇒ Framebuffer constructor

  A new instance of Framebuffer.

• #set(x, y, pixel) ⇒ Object
• #size ⇒ Object

Constructor Details

#initialize(background) ⇒ Framebuffer

Returns a new instance of Framebuffer.

# File 'lib/roflbalt.rb', line 144

def initialize background
  @pixels = Hash.new { |h, k| h[k] = {} }
  @background = background
end

Instance Method Details

#get(x, y) ⇒ Object

# File 'lib/roflbalt.rb', line 151

def get x, y
  @pixels[x][y] || @background.pixel(x, y)
end

#set(x, y, pixel) ⇒ Object

# File 'lib/roflbalt.rb', line 148

def set x, y, pixel
  @pixels[x][y] = pixel
end

#size ⇒ Object

# File 'lib/roflbalt.rb', line 154

def size
  @pixels.values.reduce(0) { |a, v| a + v.size }
end