def add_canvas(self, tag=None):
# add a canvas to the view
canvas = DrawingCanvas()
# enable drawing on the canvas
canvas.enable_draw(True)
canvas.ui_setActive(True)
canvas.setSurface(self)
# add the canvas to the view.
self.add(canvas, tag=tag)
return canvas
def __init__(self, logger):
self.logger = logger
self.drawcolors = colors.get_colors()
root = Gtk.Window(title="ImageViewCanvas Example")
root.set_border_width(2)
root.connect("delete_event", lambda w, e: quit(w))
self.root = root
self.select = GtkHelp.FileSelection(root)
vbox = Gtk.VBox(spacing=2)
fi = ImageViewCanvas(logger)
fi.enable_autocuts('on')
fi.set_autocut_params('zscale')
fi.enable_autozoom('on')
fi.enable_draw(False)
fi.set_callback('drag-drop', self.drop_file)
fi.set_callback('none-move', self.motion)
fi.set_bg(0.2, 0.2, 0.2)
fi.ui_setActive(True)
self.fitsimage = fi
bd = fi.get_bindings()
bd.enable_all(True)
# canvas that we will draw on
canvas = DrawingCanvas()
canvas.enable_draw(True)
canvas.set_drawtype('rectangle', color='lightblue')
canvas.setSurface(fi)
self.canvas = canvas
# add canvas to view
fi.add(canvas)
canvas.ui_setActive(True)
w = fi.get_widget()
w.set_size_request(512, 512)
vbox.pack_start(w, True, True, 1)
self.readout = Gtk.Label("")
vbox.pack_start(self.readout, False, False, 0)
hbox = Gtk.HBox(spacing=5)
wdrawtype = GtkHelp.combo_box_new_text()
self.drawtypes = fi.get_drawtypes()
index = 0
for name in self.drawtypes:
wdrawtype.insert_text(index, name)
index += 1
index = self.drawtypes.index('rectangle')
wdrawtype.set_active(index)
wdrawtype.connect('changed', self.set_drawparams)
self.wdrawtype = wdrawtype
wdrawcolor = GtkHelp.combo_box_new_text()
index = 0
for name in self.drawcolors:
wdrawcolor.insert_text(index, name)
index += 1
index = self.drawcolors.index('lightblue')
wdrawcolor.set_active(index)
wdrawcolor.connect('changed', self.set_drawparams)
self.wdrawcolor = wdrawcolor
wfill = GtkHelp.CheckButton("Fill")
wfill.sconnect('toggled', self.set_drawparams)
self.wfill = wfill
walpha = GtkHelp.SpinButton()
adj = walpha.get_adjustment()
adj.configure(0.0, 0.0, 1.0, 0.1, 0.1, 0)
walpha.set_value(1.0)
walpha.set_digits(1)
walpha.sconnect('value-changed', self.set_drawparams)
self.walpha = walpha
wclear = Gtk.Button("Clear Canvas")
wclear.connect('clicked', self.clear_canvas)
wopen = Gtk.Button("Open File")
wopen.connect('clicked', self.open_file)
wquit = Gtk.Button("Quit")
wquit.connect('clicked', quit)
for w in (wquit, wclear, walpha, Gtk.Label("Alpha:"),
wfill, wdrawcolor, wdrawtype, wopen):
hbox.pack_end(w, False, False, 0)
vbox.pack_start(hbox, False, False, 0)
root.add(vbox)
def __init__(self, logger):
self.logger = logger
self.drawcolors = colors.get_colors()
root = gtk.Window(gtk.WINDOW_TOPLEVEL)
root.set_title("ImageViewCanvas Example")
root.set_border_width(2)
root.connect("delete_event", lambda w, e: quit(w))
self.root = root
self.select = GtkHelp.FileSelection(root)
vbox = gtk.VBox(spacing=2)
fi = ImageViewCanvas(logger)
fi.enable_autocuts('on')
fi.set_autocut_params('zscale')
fi.enable_autozoom('on')
fi.enable_draw(False)
fi.set_callback('drag-drop', self.drop_file)
fi.set_callback('none-move', self.motion)
fi.set_bg(0.2, 0.2, 0.2)
fi.ui_setActive(True)
self.fitsimage = fi
bd = fi.get_bindings()
bd.enable_all(True)
# canvas that we will draw on
canvas = DrawingCanvas()
canvas.enable_draw(True)
canvas.set_drawtype('rectangle', color='lightblue')
canvas.setSurface(fi)
self.canvas = canvas
# add canvas to view
fi.add(canvas)
canvas.ui_setActive(True)
w = fi.get_widget()
w.set_size_request(512, 512)
vbox.pack_start(w, fill=True, expand=True)
self.readout = gtk.Label("")
vbox.pack_start(self.readout, fill=True, expand=False)
hbox = gtk.HBox(spacing=5)
wdrawtype = GtkHelp.combo_box_new_text()
self.drawtypes = fi.get_drawtypes()
index = 0
for name in self.drawtypes:
wdrawtype.insert_text(index, name)
index += 1
index = self.drawtypes.index('rectangle')
wdrawtype.set_active(index)
wdrawtype.connect('changed', self.set_drawparams)
self.wdrawtype = wdrawtype
wdrawcolor = GtkHelp.combo_box_new_text()
index = 0
for name in self.drawcolors:
wdrawcolor.insert_text(index, name)
index += 1
index = self.drawcolors.index('lightblue')
wdrawcolor.set_active(index)
wdrawcolor.connect('changed', self.set_drawparams)
self.wdrawcolor = wdrawcolor
wfill = GtkHelp.CheckButton("Fill")
wfill.sconnect('toggled', self.set_drawparams)
self.wfill = wfill
walpha = GtkHelp.SpinButton()
adj = walpha.get_adjustment()
adj.configure(0.0, 0.0, 1.0, 0.1, 0.1, 0)
walpha.set_value(1.0)
walpha.set_digits(1)
walpha.sconnect('value-changed', self.set_drawparams)
self.walpha = walpha
wclear = gtk.Button("Clear Canvas")
wclear.connect('clicked', self.clear_canvas)
wopen = gtk.Button("Open File")
wopen.connect('clicked', self.open_file)
wquit = gtk.Button("Quit")
wquit.connect('clicked', quit)
for w in (wquit, wclear, walpha, gtk.Label("Alpha:"), wfill,
wdrawcolor, wdrawtype, wopen):
hbox.pack_end(w, fill=False, expand=False)
vbox.pack_start(hbox, fill=False, expand=False)
root.add(vbox)
