Пример #1
0
    def __init__(self, logger):

        self.logger = logger
        self.drawcolors = colors.get_colors()
        self.dc = get_canvas_types()

        root = gtk.Window(gtk.WINDOW_TOPLEVEL)
        root.set_title("Gtk2 CanvasView 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 = CanvasView(logger)
        fi.enable_autocuts('on')
        fi.set_autocut_params('zscale')
        fi.enable_autozoom('on')
        fi.set_zoom_algorithm('rate')
        fi.set_zoomrate(1.4)
        fi.show_pan_mark(True)
        fi.set_callback('drag-drop', self.drop_file_cb)
        fi.set_callback('cursor-changed', self.cursor_cb)
        fi.set_bg(0.2, 0.2, 0.2)
        fi.ui_set_active(True)
        self.fitsimage = fi

        bd = fi.get_bindings()
        bd.enable_all(True)

        # canvas that we will draw on
        canvas = self.dc.DrawingCanvas()
        canvas.enable_draw(True)
        canvas.set_drawtype('rectangle', color='lightblue')
        canvas.set_surface(fi)
        self.canvas = canvas
        # add canvas to view
        private_canvas = fi.get_canvas()
        private_canvas.register_for_cursor_drawing(fi)
        private_canvas.add(canvas)
        canvas.ui_set_active(True)
        self.drawtypes = canvas.get_drawtypes()
        self.drawtypes.sort()

        # add a color bar
        #fi.show_color_bar(True)

        fi.show_focus_indicator(True)

        # add little mode indicator that shows keyboard modal states
        fi.show_mode_indicator(True, corner='ur')

        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()
        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)
Пример #2
0
    def __init__(self, logger):

        self.logger = logger
        self.drawcolors = colors.get_colors()
        self.dc = get_canvas_types()

        root = gtk.Window(gtk.WINDOW_TOPLEVEL)
        root.set_title("Gtk2 CanvasView 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 = CanvasView(logger)
        fi.enable_autocuts('on')
        fi.set_autocut_params('zscale')
        fi.enable_autozoom('on')
        fi.set_zoom_algorithm('rate')
        fi.set_zoomrate(1.4)
        fi.show_pan_mark(True)
        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 = self.dc.DrawingCanvas()
        canvas.enable_draw(True)
        canvas.set_drawtype('rectangle', color='lightblue')
        canvas.setSurface(fi)
        self.canvas = canvas
        # add canvas to view
        private_canvas = fi.get_canvas()
        private_canvas.register_for_cursor_drawing(fi)
        private_canvas.add(canvas)
        canvas.ui_setActive(True)
        self.drawtypes = canvas.get_drawtypes()
        self.drawtypes.sort()

        # add a color bar
        #fi.show_color_bar(True)

        # add little mode indicator that shows keyboard modal states
        fi.show_mode_indicator(True, corner='ur')

        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()
        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)