Module: SugarCube::CoreGraphics

Defined in:
lib/sugarcube/core_graphics.rb

Defined Under Namespace

Classes: EdgeInsets, Offset, Point, Rect, Size

Constant Summary collapse

PI = 
3.141592654
PHI = 
1.618033989
E = 
2.718281828

Class Method Summary collapse

Class Method Details

.EdgeInsets(top_or_inset, left = nil, bottom = nil, right = nil) ⇒ Object

Accepts 1 or 4 arguments. 1 argument should be an Array or UIEdgeInset, 4 should be top, left, bottom, right



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# File 'lib/sugarcube/core_graphics.rb', line 493

def EdgeInsets(top_or_inset, left=nil, bottom=nil, right=nil)
  unless left or bottom or right
    case top_or_inset
    when UIEdgeInsets
      top = top.top
      left = top.left
      bottom = top.bottom
      right = top.right
    when Array
      top = top_or_inset[0]
      left = top_or_inset[1]
      bottom = top_or_inset[2]
      right = top_or_inset[3]
    when Numeric
      top = left = bottom = right = top_or_inset
    else
      raise RuntimeError.new("Invalid argument sent to EdgeInsets(#{top_or_inset.inspect})")
    end
  else
    top = top_or_inset
  end
  return EdgeInsets.new([top, left, bottom, right])
end

.Offset(horizontal_or_offset, vertical = nil) ⇒ Object

Accepts 1 or 2 arguments. 1 argument should be an Array or UIOffset, 2 should be horizontal, vertical



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# File 'lib/sugarcube/core_graphics.rb', line 520

def Offset(horizontal_or_offset, vertical=nil)
  if not vertical
    case horizontal_or_offset
    when UIOffset
      horizontal = horizontal_or_offset.horizontal
      vertical = horizontal_or_offset.vertical
    when Array
      horizontal = horizontal_or_offset[0]
      vertical = horizontal_or_offset[1]
    when Fixnum
      horizontal_or_offset =
      vertical = horizontal_or_offset[0]
    else
      raise RuntimeError.new("Invalid argument sent to Offset(#{horizontal_or_offset.inspect})")
    end
  else
    horizontal = horizontal_or_offset
  end
  return Offset.new([horizontal, vertical])
end

.Point(x_or_origin, y = nil) ⇒ Object 



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# File 'lib/sugarcube/core_graphics.rb', line 419

def Point(x_or_origin, y=nil)
  if not y
    case x_or_origin
    when CGPoint
      x = x_or_origin.x
      y = x_or_origin.y
    when Array
      x = x_or_origin[0]
      y = x_or_origin[1]
    else
      raise RuntimeError.new("Invalid argument sent to Point(#{x_or_origin.inspect})")
    end
  else
    x = x_or_origin
  end
  return Point.new([x, y])
end

.Rect(x_or_origin, y_or_size = nil, w = nil, h = nil) ⇒ Object

Accepts 1, 2 or 4 arguments. 1 argument should be an Array, Rect, or CGRect 2 arguments should be a Point/CGPoint and a Size/CGSize, 4 should be x, y, w, h



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# File 'lib/sugarcube/core_graphics.rb', line 441

def Rect(x_or_origin, y_or_size=nil, w=nil, h=nil)
  if not y_or_size
    case x_or_origin
    when CGRect
      x = x_or_origin.origin.x
      y = x_or_origin.origin.y
      w = x_or_origin.size.width
      h = x_or_origin.size.height
    when UIView, CALayer
      x = x_or_origin.frame.origin.x
      y = x_or_origin.frame.origin.y
      w = x_or_origin.frame.size.width
      h = x_or_origin.frame.size.height
    when Rect
      x = x_or_origin[0][0]
      y = x_or_origin[0][1]
      w = x_or_origin[1][0]
      h = x_or_origin[1][1]
    when Array
      if x_or_origin.length == 2
        x = x_or_origin[0][0]
        y = x_or_origin[0][1]
        w = x_or_origin[1][0]
        h = x_or_origin[1][1]
      elsif
        x = x_or_origin[0]
        y = x_or_origin[1]
        w = x_or_origin[2]
        h = x_or_origin[3]
      else
        raise RuntimeError.new("Invalid argument sent to Rect(#{x_or_origin.inspect})")
      end
    else
      raise RuntimeError.new("Invalid argument sent to Rect(#{x_or_origin.inspect})")
    end
  elsif not w and not h
    x_or_origin = Point(x_or_origin) unless x_or_origin.is_a? Point
    x = x_or_origin.x
    y = x_or_origin.y
    y_or_size = Size(y_or_size) unless y_or_size.is_a? Size
    w = y_or_size.width
    h = y_or_size.height
  else
    x = x_or_origin
    y = y_or_size
  end
  return Rect.new([[x, y], [w, h]])
end

.Size(w_or_size, h = nil) ⇒ Object 



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# File 'lib/sugarcube/core_graphics.rb', line 401

def Size(w_or_size, h=nil)
  if not h
    case w_or_size
    when CGSize
      w = w_or_size.width
      h = w_or_size.height
    when Array
      w = w_or_size[0]
      h = w_or_size[1]
    else
      raise RuntimeError.new("Invalid argument sent to Size(#{w_or_size.inspect})")
    end
  else
    w = w_or_size
  end
  return Size.new([w, h])
end