Agenda

• Discuss Glade tutorial.
• Start a simple GUI in Glade for curie.

Tasks completed

• Glade tutorial

  • Tutorial code https://github.com/zmughal/learning-gtk/tree/master/charter
    • If you are following this tutorial, note that there are changes that have occurred in GTK+3.0 since it was written. For example, the "expose-event" signal is now the "draw" signal: https://developer.gnome.org/gtk3/stable/ch25s02.html#id-1.6.3.4.11.
  • Look up callback signature:
    • https://developer.gnome.org/gtk3/stable/GtkDrawingArea.html
    • https://developer.gnome.org/gtk3/stable/GtkWidget.html#GtkWidget-draw

• Discuss the display of supplemental information along with document

  • Knowledge Graph https://en.wikipedia.org/wiki/Knowledge_Graph: Google's infoboxes which show up on search.
  • SPARQL: query langauge for semantic web data.
  • Utopia http://utopiadocs.com/: a PDF reader that shows social information and retrieves from sources such as the Protein Data Bank.
  • Reflect: browser plugin for chemistry identifier lookup
    • http://epafilis.info/projects.html
    • http://reflect.ws/
    • http://www.nature.com/nbt/journal/v27/n6/full/nbt0609-508.html

• Design a GUI for displaying images of the document

  • PR (and progress images)
  • Examples
    • Anjuta: IDE with docking. Uses GDL http://anjuta.org/.
    • Example of simple PDF viewer using Poppler https://yassernour.wordpress.com/2010/04/04/how-hard-to-build-a-pdf-viewer/.
  • Display a single image
    • Cairo for loading PNG
      • http://cairographics.org/cookbook/perl_cairo_module/
      • http://zetcode.com/gfx/cairo/cairoimages/

  • First attempt: draw a green colour on the whole drawing area:

    

  • Second attempt: draw an image read from a file on the drawing area:

    

Tasks in progress

• PDF rendering using MuPDF library
  • Install MuPDF http://mupdf.com/downloads/

    mkdir build; cd build
    wget 'http://mupdf.com/downloads/mupdf-1.8-source.tar.gz'
    tar xvvzf mupdf-1.8-source.tar.gz
    cd mupdf-1.8-source
    make HAVE_GLFW=no
    make HAVE_GLFW=no install
    

  • Make a note of the OpenGL viewer flag at .

Tasks remaining

• Look into MuPDF API.

  • http://mupdf.com/docs/overview
  • http://mupdf.com/docs/
  • See issue .

• Refactor GUI code.