=begin

= File
	imgview.rb

= Info
	This file is part of PDF Walker, a graphical PDF file browser
	Copyright (C) 2010	Guillaume Delugré <guillaume AT security-labs DOT org>
	All right reserved.
	
  PDF Walker is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  PDF Walker is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with PDF Walker.  If not, see <http://www.gnu.org/licenses/>.

=end

module PDFWalker

  class ImgViewer < Window
    attr_reader :image

    def initialize
      super()

      set_title "Image view"
      set_decorated false
      set_resizable false

      add_events(Gdk::Event::KEY_RELEASE_MASK)
      signal_connect('key_release_event') { |w, event|
        destroy if event.keyval == Gdk::Keyval::GDK_Escape 
      }
    end

    def show_raw_img(data, w, h, bpc, bpr)
      set_default_size w,h

      pixbuf = Gdk::Pixbuf.new data, 
        Gdk::Pixbuf::ColorSpace::RGB, false, bpc,
        w, h,
        bpr

      @image = Gtk::Image.new(pixbuf)
      add @image

      show_all
    end

    def show_compressed_img(data)
      loader = Gdk::PixbufLoader.new
      loader.last_write data

      pixbuf = loader.pixbuf
      set_default_size pixbuf.width, pixbuf.height

      @image = Gtk::Image.new(pixbuf)
      add @image

      show_all
    end
  end

end