Class: APNGAsmGUI::Frame

Inherits:
Gtk::Frame
  • Object
show all
Defined in:
lib/apngasm-gui/frame.rb

Constant Summary collapse

THUMBNAIL_SIZE = 
100

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename, parent, apngframe = nil) ⇒ Frame

Returns a new instance of Frame.



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# File 'lib/apngasm-gui/frame.rb', line 8

def initialize(filename, parent, apngframe = nil)
  super()
  @filename = filename
  @parent = parent
  @apngframe = apngframe

  if @apngframe.nil?
    image = Gtk::Image.new(file: @filename)
  else
    Dir::mktmpdir(nil, File.dirname(__FILE__)) do |dir|
      @apngframe.save("#{dir}/#{@filename}")
      image = Gtk::Image.new(file: "#{dir}/#{@filename}")
    end
  end

  if image.pixbuf != nil
    if image.pixbuf.width > THUMBNAIL_SIZE || image.pixbuf.height > THUMBNAIL_SIZE
      image.pixbuf = resize(image.pixbuf, THUMBNAIL_SIZE)
    end
  end
  @pixbuf = image.pixbuf

  image_button = Gtk::Button.new
  image_button.set_relief(Gtk::ReliefStyle::NONE)
  image_button.add(image)
  image_button.signal_connect('clicked') do
    @parent.focus(self)
  end

  box = Gtk::Box.new(:vertical)
  box.pack_start(image_button, expand: true, fill: false, padding: 10)

  adjustment = Gtk::Adjustment.new(100, 1, 999, 1, 1, 0)
  @delay_spinner = Gtk::SpinButton.new(adjustment, 1, 0)
  set_delay(@apngframe.nil? ? 100 : @apngframe.delay_numerator)
  box.pack_start(@delay_spinner, expand: false, fill: false)

  delete_button = Gtk::Button.new(label: 'Delete')
  delete_button.signal_connect('clicked') do
    @parent.delete(self)
  end
  box.pack_start(delete_button, expand: false, fill: false)

  add(box)
end

Instance Attribute Details

#apngframe ⇒ Object

Returns the value of attribute apngframe.



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# File 'lib/apngasm-gui/frame.rb', line 6

def apngframe
  @apngframe
end

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/apngasm-gui/frame.rb', line 6

def filename
  @filename
end

#pixbuf ⇒ Object

Returns the value of attribute pixbuf.



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# File 'lib/apngasm-gui/frame.rb', line 6

def pixbuf
  @pixbuf
end

Instance Method Details

#delay ⇒ Object 



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# File 'lib/apngasm-gui/frame.rb', line 65

def delay
  @delay_spinner.value
end

#resize(pixbuf, size) ⇒ Object 



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# File 'lib/apngasm-gui/frame.rb', line 54

def resize(pixbuf, size)
 if pixbuf.width >= pixbuf.height
   scale = pixbuf.height.to_f / pixbuf.width.to_f
   pixbuf = pixbuf.scale(size, size * scale, Gdk::Pixbuf::INTERP_BILINEAR)
 else
   scale = pixbuf.width.to_f / pixbuf.height.to_f
   pixbuf = pixbuf.scale(size * scale, size, Gdk::Pixbuf::INTERP_BILINEAR)
 end
 pixbuf
end

#set_delay(value) ⇒ Object 



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# File 'lib/apngasm-gui/frame.rb', line 69

def set_delay(value)
  @delay_spinner.set_value(value)
end