Module: SDL2::Video::Drivers

Defined in:
lib/sdl2/video.rb

Overview

Abstract enumeration of SDL’s VideoDrivers concept.

Class Method Summary collapse

Class Method Details

.[](index) ⇒ Object

Returns the name of the video driver



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# File 'lib/sdl2/video.rb', line 86

def self.[](index)
  SDL2.get_video_driver(index)
end

.each(&block) ⇒ Object

Enumerates the drivers



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# File 'lib/sdl2/video.rb', line 91

def self.each(&block)
  self.lazy(&block)
end

.lazy(&block) ⇒ Object

Constructs a ?lazy? enumerator



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# File 'lib/sdl2/video.rb', line 96

def self.lazy(&block)
  self.num.times.lazy.map{|idx|self[idx]}.each(&block)
end

.num ⇒ Object

Returns the number of video drivers available.



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# File 'lib/sdl2/video.rb', line 81

def self.num
  SDL2.get_num_video_drivers!()
end