Class: Motion::Xray::XrayGradientView
- Defined in:
- lib/motion-xray/views/xray_gradient_view.rb
Instance Attribute Summary collapse
-
#final_color ⇒ Object
Returns the value of attribute final_color.
-
#start_color ⇒ Object
Returns the value of attribute start_color.
Instance Method Summary collapse
Methods inherited from UIView
build_xray, #xray, #xray_subviews
Instance Attribute Details
#final_color ⇒ Object
Returns the value of attribute final_color.
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# File 'lib/motion-xray/views/xray_gradient_view.rb', line 5 def final_color @final_color end |
#start_color ⇒ Object
Returns the value of attribute start_color.
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# File 'lib/motion-xray/views/xray_gradient_view.rb', line 4 def start_color @start_color end |
Instance Method Details
#drawRect(rect) ⇒ Object
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# File 'lib/motion-xray/views/xray_gradient_view.rb', line 7 def drawRect(rect) context = UIGraphicsGetCurrentContext() color_space = CGColorSpaceCreateDeviceRGB() cgcolors = [ (start_color || :white).uicolor.CGColor, (final_color || :light_gray).uicolor.CGColor, ] points = [0, 1] gradient = CGGradientCreateWithColors(color_space, cgcolors, points.to_pointer(:float)) CGContextDrawLinearGradient(context, gradient, self.bounds.top_left, self.bounds.bottom_left, 0) end |