diff options
Diffstat (limited to 'voctogui/lib/warningoverlay.py')
| -rw-r--r-- | voctogui/lib/warningoverlay.py | 85 |
1 files changed, 45 insertions, 40 deletions
diff --git a/voctogui/lib/warningoverlay.py b/voctogui/lib/warningoverlay.py index bf2c2cd..f4f7f24 100644 --- a/voctogui/lib/warningoverlay.py +++ b/voctogui/lib/warningoverlay.py @@ -3,59 +3,64 @@ from gi.repository import GLib, Gst, cairo from lib.config import Config + class VideoWarningOverlay(object): - """ Displays a Warning-Overlay above the Video-Feed of another VideoDisplay """ + """Displays a Warning-Overlay above the Video-Feed + of another VideoDisplay""" - def __init__(self, drawing_area): - self.log = logging.getLogger('VideoWarningOverlay') + def __init__(self, drawing_area): + self.log = logging.getLogger('VideoWarningOverlay') - self.drawing_area = drawing_area - self.drawing_area.connect("draw", self.draw_callback) + self.drawing_area = drawing_area + self.drawing_area.connect("draw", self.draw_callback) - self.text = None - self.blink_state = False + self.text = None + self.blink_state = False - GLib.timeout_add_seconds(1, self.on_blink_callback) + GLib.timeout_add_seconds(1, self.on_blink_callback) - def on_blink_callback(self): - self.blink_state = not self.blink_state - self.drawing_area.queue_draw() - return True + def on_blink_callback(self): + self.blink_state = not self.blink_state + self.drawing_area.queue_draw() + return True - def enable(self, text=None): - self.text = text - self.drawing_area.show() - self.drawing_area.queue_draw() + def enable(self, text=None): + self.text = text + self.drawing_area.show() + self.drawing_area.queue_draw() - def set_text(self, text=None): - self.text = text - self.drawing_area.queue_draw() + def set_text(self, text=None): + self.text = text + self.drawing_area.queue_draw() - def disable(self): - self.drawing_area.hide() - self.drawing_area.queue_draw() + def disable(self): + self.drawing_area.hide() + self.drawing_area.queue_draw() - def draw_callback(self, area, cr): - w = self.drawing_area.get_allocated_width(); - h = self.drawing_area.get_allocated_height(); + def draw_callback(self, area, cr): + w = self.drawing_area.get_allocated_width() + h = self.drawing_area.get_allocated_height() - self.log.debug('draw_callback: w/h=%u/%u, blink_state=%u', w, h, self.blink_state) + self.log.debug('draw_callback: w/h=%u/%u, blink_state=%u', + w, h, self.blink_state) - if self.blink_state: - cr.set_source_rgba(1.0, 0.0, 0.0, 0.8) - else: - cr.set_source_rgba(1.0, 0.5, 0.0, 0.8) + if self.blink_state: + cr.set_source_rgba(1.0, 0.0, 0.0, 0.8) + else: + cr.set_source_rgba(1.0, 0.5, 0.0, 0.8) - cr.rectangle(0, 0, w, h) - cr.fill() + cr.rectangle(0, 0, w, h) + cr.fill() - text = "Stream is Blanked" - if self.text: - text += ": "+self.text + text = "Stream is Blanked" + if self.text: + text += ": " + self.text - cr.set_font_size(h*0.75) - xbearing, ybearing, txtwidth, txtheight, xadvance, yadvance = cr.text_extents(text) + cr.set_font_size(h * 0.75) + (xbearing, ybearing, + txtwidth, txtheight, + xadvance, yadvance) = cr.text_extents(text) - cr.move_to(w/2 - txtwidth/2, h*0.75) - cr.set_source_rgba(1.0, 1.0, 1.0, 1.0) - cr.show_text(text) + cr.move_to(w / 2 - txtwidth / 2, h * 0.75) + cr.set_source_rgba(1.0, 1.0, 1.0, 1.0) + cr.show_text(text) |