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Viewing changes to demo/simple_demo/clipping_demo.py

  • Committer: Bazaar Package Importer
  • Author(s): Jose Carlos Garcia Sogo
  • Date: 2008-05-25 14:24:41 UTC
  • mfrom: (1.2.1 upstream) (5 gutsy)
  • mto: This revision was merged to the branch mainline in revision 9.
  • Revision ID: james.westby@ubuntu.com-20080525142441-i0tdyd3794w0s2zf
Tags: 0.10.0-1
* New upstream version.
* Build-depend on goocanvas 0.10
* Change VCS info to point to git.debian.org
* Bump Standards-Version to 3.7.3
* Change python to Pyhton in short description field
* Update debian/copyright

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demo/simple_demo/clipping_demo.py
 
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import goocanvas
 
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import gtk
 
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import cairo
 
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def on_button_press (item, target, event, id):
 
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    print "%s received 'button-press' signal at %f, %f (root: %f, %f)" % \
 
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           (id, event.x, event.y, event.x_root, event.y_root)
 
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    return True
 
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def setup_canvas (canvas):
 
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    root = canvas.get_root_item ()
 
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    #Plain items without clip path.
 
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    item = goocanvas.Ellipse (parent = root,
 
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                              center_x = 0,
 
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                              center_y = 0,
 
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                              radius_x = 50,
 
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                              radius_y = 30,
 
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                              fill_color = "blue")
 
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    item.translate (100, 100)
 
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    item.rotate (30, 0, 0)
 
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    item.connect ("button_press_event",
 
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                  on_button_press, "Blue ellipse (unclipped)")
 
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    item = goocanvas.Rect (parent = root,
 
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                           x = 200,
 
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                           y = 50,
 
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                           width = 100,
 
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                           height = 100,
 
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                           fill_color = "red",
 
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                           clip_fill_rule = cairo.FILL_RULE_EVEN_ODD)
 
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    item.connect ("button_press_event",
 
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                  on_button_press, "Red rectangle (unclipped)")
 
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    item = goocanvas.Rect (parent = root,
 
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                           x = 380,
 
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                           y = 50,
 
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                           width = 100,
 
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                           height = 100,
 
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                           fill_color = "yellow")
 
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    item.connect ("button_press_event",
 
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                  on_button_press, "Yellow rectangle (unclipped)")
 
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    # Clipped items.
 
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    item = goocanvas.Ellipse (parent = root,
 
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                              center_x = 0,
 
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                              center_y = 0,
 
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                              radius_x = 50,
 
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                              radius_y = 30,
 
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                              fill_color = "blue",
 
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                              clip_path = "M 0 0 h 100 v 100 h -100 Z")
 
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    item.translate (100, 300)
 
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    item.rotate (30, 0, 0)
 
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    item.connect ("button_press_event", on_button_press, "Blue ellipse")
 
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    item = goocanvas.Rect (parent = root,
 
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                           x = 200,
 
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                           y = 250,
 
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                           width = 100,
 
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                           height = 100,
 
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                           fill_color = "red",
 
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                           clip_path = "M 250 300 h 100 v 100 h -100 Z",
 
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                           clip_fill_rule = cairo.FILL_RULE_EVEN_ODD)
 
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    item.connect ("button_press_event", on_button_press, "Red rectangle")
 
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    item = goocanvas.Rect (parent = root,
 
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                           x = 380,
 
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                           y = 250,
 
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                           width = 100,
 
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                           height = 100,
 
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                           fill_color = "yellow",
 
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                           clip_path = "M480,230 l40,100 l-80 0 z")
 
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    item.connect ("button_press_event", on_button_press, "Yellow rectangle")
 
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    # Table with clipped items.
 
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    table = goocanvas.Table (parent = root)
 
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    table.translate (200, 400)
 
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    table.rotate (30, 0, 0)
 
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    item = goocanvas.Ellipse (parent = table,
 
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                              center_x = 0,
 
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                              center_y = 0,
 
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                              radius_x = 50,
 
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                              radius_y = 30,
 
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                              fill_color = "blue",
 
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                              clip_path = "M 0 0 h 100 v 100 h -100 Z")
 
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    item.translate (100, 300)
 
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    item.rotate (30, 0, 0)
 
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    item.connect ("button_press_event", on_button_press, "Blue ellipse")
 
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    item = goocanvas.Rect (parent = table,
 
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                           x = 200,
 
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                           y = 250,
 
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                           width = 100,
 
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                           height = 100,
 
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                           fill_color = "red",
 
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                           clip_path = "M 250 300 h 100 v 100 h -100 Z",
 
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                           clip_fill_rule = cairo.FILL_RULE_EVEN_ODD)
 
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    item.connect ("button_press_event", on_button_press, "Red rectangle")
 
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    table.set_child_properties (item, column = 1)
 
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    item = goocanvas.Rect (parent = table,
 
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                           x = 380,
 
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                           y = 250,
 
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                           width = 100,
 
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                           height = 100,
 
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                           fill_color = "yellow",
 
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                           clip_path = "M480,230 l40,100 l-80 0 z")
 
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    item.connect ("button_press_event", on_button_press, "Yellow rectangle")
 
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    table.set_child_properties (item, column = 2)
 
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def create_clipping_page ():
 
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    vbox = gtk.VBox (False, 4)
 
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    vbox.set_border_width (4)
 
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    scrolled_win = gtk.ScrolledWindow ()
 
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    scrolled_win.set_shadow_type (gtk.SHADOW_IN)
 
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    vbox.add (scrolled_win)
 
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    canvas = goocanvas.Canvas ()
 
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    canvas.set_size_request (600, 450)
 
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    canvas.set_bounds (0, 0, 1000, 1000)
 
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    scrolled_win.add (canvas)
 
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    setup_canvas (canvas)
 
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    return vbox
 
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def main ():
 
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    vb = create_clipping_page ()
 
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    win = gtk.Window()
 
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    win.connect("destroy", gtk.main_quit)
 
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    win.add(vb)
 
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    win.show_all()
 
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    gtk.main()
 
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if __name__ == "__main__":
 
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    main ()