Class: Shoes::Background

Inherits:
Pattern show all
Defined in:
lib/blue_shoes/pattern.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pattern, style) ⇒ Background

Returns a new instance of Background.



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# File 'lib/blue_shoes/pattern.rb', line 10

def initialize(pattern, style)
  if pattern.first.length == 4
    f = pattern.first
    self.first = "#" + (f[1,1] * 2) + (f[2,1] * 2) + (f[3,1] * 2)
  else
    self.first = pattern.first
  end
  if pattern.last.length == 4
    l = pattern.last
    self.last = "#" + (l[1,1] * 2) + (l[2,1] * 2) + (l[3,1] * 2)
  else
    self.last = pattern.last
  end
  self.style = style
end

Instance Attribute Details

#firstObject

Returns the value of attribute first.



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# File 'lib/blue_shoes/pattern.rb', line 6

def first
  @first
end

#lastObject

Returns the value of attribute last.



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# File 'lib/blue_shoes/pattern.rb', line 7

def last
  @last
end

#styleObject

Returns the value of attribute style.



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# File 'lib/blue_shoes/pattern.rb', line 8

def style
  @style
end

Instance Method Details

#b(color) ⇒ Object



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# File 'lib/blue_shoes/pattern.rb', line 32

def b color
  color[5,2].to_i 16
end

#draw(painter) ⇒ Object

draws the background



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# File 'lib/blue_shoes/pattern.rb', line 37

def draw painter
  painter.setRenderHint Qt::Painter::Antialiasing
  painter.setPen Qt::NoPen
  painter.setBrush Qt::HorPattern
  gradient = Qt::LinearGradient.new(0, 0, 0, 100)
  bottom = Qt::Color.new(r(first),g(first),b(first))
  top = Qt::Color.new(r(last),g(last),b(last))
  gradient.setColorAt(0.0, bottom)
  gradient.setColorAt(1.0, top)
  painter.setBrush(Qt::Brush.new(gradient))
  window = painter.window
  window.setLeft(window.left + style[:margin])
  window.setTop(window.top + style[:margin])
  window.setHeight(window.height - style[:margin])
  window.setWidth(window.width - style[:margin])
  painter.drawRoundRect(window, style[:curve], style[:curve])
end

#g(color) ⇒ Object



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# File 'lib/blue_shoes/pattern.rb', line 29

def g color
  color[3,2].to_i 16
end

#r(color) ⇒ Object



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# File 'lib/blue_shoes/pattern.rb', line 26

def r color
  color[1,2].to_i 16
end

#to_patternObject

Yanks out the color, gradient or image used to paint this background and places it in a normal Shoes::Pattern object.



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# File 'lib/blue_shoes/pattern.rb', line 56

def to_pattern
  # returns a Shoes::Pattern
  throw NotImplementedError
end