Module: MotionPrime::DrawBackgroundMixin

Included in:
ImageDrawElement, LabelDrawElement, ViewDrawElement
Defined in:
motion-prime/elements/draw/_draw_background_mixin.rb

Instance Method Summary collapse

Instance Method Details

#draw_background_in_context(context = nil) ⇒ Object



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# File 'motion-prime/elements/draw/_draw_background_mixin.rb', line 3

def draw_background_in_context(context = nil)
  context ||= UIGraphicsGetCurrentContext()
  options = draw_options
  rect, background_color, border_width, border_color, corner_radius = options.slice(:rect, :background_color, :border_width, :border_color, :corner_radius).values

  return unless background_color || border_width > 0

  inset = border_width > 0 ? (border_width - 1 )*0.5 : 0
  rect = CGRectInset(rect, -inset, -inset)
  if corner_radius > 0
    bezierPath = UIBezierPath.bezierPathWithRoundedRect rect, cornerRadius: corner_radius
    UIGraphicsPushContext(context)
    if border_width > 0
      bezierPath.lineWidth = border_width
      border_color.setStroke
      bezierPath.stroke
    end
    if background_color
      background_color.setFill
      bezierPath.fill
    end
    UIGraphicsPopContext()
  else
    if border_width > 0 && border_color
      CGContextSetLineWidth(context, border_width)
      CGContextSetStrokeColorWithColor(context, border_color.uicolor.cgcolor)
      CGContextStrokeRect(context, rect)
    end
    CGContextSetFillColorWithColor(context, background_color.uicolor.cgcolor) if background_color
    CGContextFillRect(context, rect) if background_color
  end
end