Class: Gtk2HTML::DrawingInstructions

Inherits:
Object
  • Object
show all
Defined in:
lib/gtk2html.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(area = nil) ⇒ DrawingInstructions

Returns a new instance of DrawingInstructions.



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# File 'lib/gtk2html.rb', line 137

def initialize(area=nil)

  @area = area if area

end

Instance Attribute Details

#area ⇒ Object

Returns the value of attribute area.



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# File 'lib/gtk2html.rb', line 134

def area
  @area
end

Instance Method Details

#draw_box(margin, raw_coords, padding, style) ⇒ Object 



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# File 'lib/gtk2html.rb', line 143

def draw_box(margin, raw_coords, padding, style)

  coords = raw_coords.map.with_index {|x,i| x ? x : @curpos[i] }

  h2 = style.clone
  h2.delete :color
  x1, y1, x2, y2 = coords
  
  @curpos = coords

  width = x2 - x1
  height = y2 - y1

  gc = gc_ini(h2)
  @area.window.draw_rectangle(gc, 1, x1, y1, width, height)
end

#draw_layout(text, style) ⇒ Object 



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# File 'lib/gtk2html.rb', line 160

def draw_layout(text, style)

  x, y = @curpos

  text ||= ''
  h2 = style.clone
  h2.delete :'background-color'      
  
  layout = Pango::Layout.new(Gdk::Pango.context)
  layout.font_description = Pango::FontDescription.\
                                         new('Sans ' + style[:'font-size'])
  layout.text = text
        
  gc = gc_ini(h2)
  @area.window.draw_layout(gc, x, y, layout)
end

#render(a) ⇒ Object 



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# File 'lib/gtk2html.rb', line 180

def render(a)      
  draw [a]
end

#script(args) ⇒ Object 



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# File 'lib/gtk2html.rb', line 184

def script(args)

end

#window(args) ⇒ Object 



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# File 'lib/gtk2html.rb', line 177

def window(args)
end