/usr/lib/python3/dist-packages/ginga/gw/Readout.py is in python3-ginga 2.6.1-2.
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# Readout.py -- Readout for displaying image cursor information
#
# This is open-source software licensed under a BSD license.
# Please see the file LICENSE.txt for details.
#
from ginga.gw import Widgets, Viewers
from ginga.misc import log
from ginga import colors
class Readout(object):
def __init__(self, width, height):
logger = log.get_logger(null=True)
# We just use a ginga widget to implement the readout
readout = Viewers.CanvasView(logger=logger)
readout.set_desired_size(width, height)
bg = colors.lookup_color('#202030')
readout.set_bg(*bg)
self.viewer = readout
self.readout = Widgets.wrap(readout.get_widget())
self.readout.resize(width, height)
canvas = readout.get_canvas()
Text = canvas.get_draw_class('text')
xoff, yoff = 4, 4
self.text_obj = Text(xoff, height-yoff, text='',
color='lightgreen', fontsize=14,
coord='canvas')
canvas.add(self.text_obj, redraw=False)
self.maxx = 0
self.maxy = 0
self.maxv = 0
self.fitsimage = None
def get_widget(self):
return self.readout
def set_font(self, font):
# TODO: font format should be compatible with that used in Widgets
if ' ' in font:
font, fontsize = font.split()
fontsize = int(fontsize)
self.text_obj.fontsize = fontsize
self.text_obj.font = font
self.viewer.redraw(whence=3)
def set_text(self, text):
self.text_obj.text = text
self.viewer.redraw(whence=3)
# END
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