Class: SDL2::Rect

Inherits:
Struct
  • Object
show all
Defined in:
lib/sdl2/rect.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Struct

#==, #initialize, release

Methods included from StructHelper

#member_readers, #member_writers

Constructor Details

This class inherits a constructor from SDL2::Struct

Class Method Details

.cast(something) ⇒ Object 



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# File 'lib/sdl2/rect.rb', line 14

def self.cast(something)
  
  if something.kind_of?(Array) 
    something.map!(&:to_i)
    result = Rect.new
    case something.count
    when 4
      result.x, result.y, result.w, result.h = something
    when 2
      result.x, result.y = something
    else
      raise "#{self}#cast cannot convert array length #{something.count} of: #{something.inspect}"
    end
    return result
  else
    return super
  end
end

Instance Method Details

#empty ⇒ Object Also known as: empty? 



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# File 'lib/sdl2/rect.rb', line 33

def empty
  return ((!self.null?) || (self[:w] <= 0) || (self[:h] <= 0))
end

#equals(other) ⇒ Object 



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# File 'lib/sdl2/rect.rb', line 39

def equals(other)    
  return false if other.nil?
  return false unless other.kind_of? Rect
  
  if self.null? or other.null? # Either null?
    return (self.null? and other.null?) # Equal if both are null!      
  else
    members.each do |field| # Compare our fields.
      return false unless self[field] == other[field]
    end
  end
  return true # if we made it this far
end