Class: QDA::GUI::ImageDocumentWindow

Inherits:
InspectorWindow show all
Defined in:
lib/weft/wxgui/inspectors/imagedocument.rb

Constant Summary

Constants inherited from InspectorWindow

QDA::GUI::InspectorWindow::INSPECTOR_NB_STYLE

Constants inherited from WorkAreaWindow

WorkAreaWindow::W_WINDOW_DEF_SIZE

Instance Attribute Summary

Attributes inherited from InspectorWindow

#client

Instance Method Summary collapse

Methods inherited from InspectorWindow

#associated_subscribers, #get_current_category, #on_activate, #on_code, #on_key_down, #on_uncode, #receive_text_font_changed

Methods inherited from WorkAreaWindow

#active?, #layout, #layout=, #on_focus

Constructor Details

#initialize(image_file, *args) ⇒ ImageDocumentWindow

Returns a new instance of ImageDocumentWindow.



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# File 'lib/weft/wxgui/inspectors/imagedocument.rb', line 7

def initialize(image_file, *args)
		@img = Wx::Image.new(image_file)
     # magnifier
		@bitmap = Wx::Bitmap.new( @img )
     @zoom   = 0
		# check height & widget to set size of child window
		# @bitmap.get_height
     # sizer = Wx::BoxSizer.new(Wx::VERTICAL)
     # sizer.add(img, 1, Wx::SHAPED|Wx::GROW, 5)
		super(*args) do
       # client_size = Wx::Size.new(@bitmap.width, @bitmap.height)
       set_client_size(Wx::Size.new(@bitmap.width, @bitmap.height))
     end
     self.set_cursor( Wx::Cursor.new(Wx::CURSOR_MAGNIFIER) )
		evt_paint { on_paint }
     evt_left_up { | e | zoom_in(e) }
     evt_right_up { | e | zoom_out(e) }
end

Instance Method Details

#on_paint ⇒ Object 



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# File 'lib/weft/wxgui/inspectors/imagedocument.rb', line 26

def on_paint
		paint do | dc |
 dc.clear
 dc.draw_bitmap(@bitmap, 0, 0, false)
		end
end

#zoom(event) ⇒ Object 



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# File 'lib/weft/wxgui/inspectors/imagedocument.rb', line 43

def zoom(event)
  img_x2 = @img.scale(@img.get_width * ( 2 ** @zoom ), 
                      @img.get_height * ( 2 ** @zoom) )
  #rotate90                             
  @bitmap = Wx::Bitmap.new( img_x2 )
  dc = Wx::ClientDC.new(self)
  dc.clear
  dc.draw_bitmap(@bitmap, 0, 0, false)
  set_client_size(Wx::Size.new( @img.get_width * ( 2 ** @zoom ), 
                                @img.get_height * ( 2 ** @zoom) ) )
end

#zoom_in(*args) ⇒ Object 



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# File 'lib/weft/wxgui/inspectors/imagedocument.rb', line 33

def zoom_in(*args)
  @zoom += 1
  zoom(*args)
end

#zoom_out(*args) ⇒ Object 



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# File 'lib/weft/wxgui/inspectors/imagedocument.rb', line 38

def zoom_out(*args)
  @zoom -= 1
  zoom(*args)
end