def __refresh_ir_cam_frame(self, item):
""" Refresh the camera frame for the IR preview """
cam_image = self.__builder.get_object("cam_image")
ir_image = self.__builder.get_object("ir_image")
frame = facade.get_frame_bgr_to_rgb()
ir_frame = facade.find_robot_in_frame(frame)
cam_image.set_from_pixbuf(
self.__scale_with_aspect_ratio(gtk.gdk.pixbuf_new_from_array(frame, gtk.gdk.COLORSPACE_RGB, 8), 400, 400)
)
ir_image.set_from_pixbuf(
self.__scale_with_aspect_ratio(gtk.gdk.pixbuf_new_from_array(ir_frame, gtk.gdk.COLORSPACE_RGB, 8), 400, 400)
)
def __select_image_file(self, item):
""" Open the image selector for testing various images
with the image recognition """
cam_image = self.__builder.get_object("cam_image")
ir_image = self.__builder.get_object("ir_image")
chooser = gtk.FileChooserDialog(
title="Select an image to preview image recognition",
action=gtk.FILE_CHOOSER_ACTION_OPEN,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OPEN, gtk.RESPONSE_OK),
)
filter = gtk.FileFilter()
filter.set_name("Images")
filter.add_mime_type("image/png")
filter.add_mime_type("image/jpeg")
filter.add_mime_type("image/gif")
filter.add_pattern("*.png")
filter.add_pattern("*.jpg")
filter.add_pattern("*.gif")
filter.add_pattern("*.tif")
filter.add_pattern("*.xpm")
chooser.add_filter(filter)
response = chooser.run()
if response == gtk.RESPONSE_OK:
# Refresh image if one was successfully chosen
frame = facade.get_image_from_file(chooser.get_filename())
preview_frame = gtk.gdk.pixbuf_new_from_file_at_size(chooser.get_filename(), 400, 400)
cam_image.set_from_pixbuf(preview_frame)
ir_frame = facade.find_robot_in_frame(frame)
# Scale IR frame to preview dimensions
ir_image.set_from_pixbuf(
self.__scale_with_aspect_ratio(
gtk.gdk.pixbuf_new_from_array(ir_frame, gtk.gdk.COLORSPACE_RGB, 8), 400, 400
)
)
# print chooser.get_filename(), 'selected'
elif response == gtk.RESPONSE_CANCEL:
pass
# print 'Closed, no files selected'
chooser.destroy()