本文整理匯總了Python中cv2.WND_PROP_VISIBLE屬性的典型用法代碼示例。如果您正苦於以下問題:Python cv2.WND_PROP_VISIBLE屬性的具體用法?Python cv2.WND_PROP_VISIBLE怎麽用?Python cv2.WND_PROP_VISIBLE使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類cv2
的用法示例。
在下文中一共展示了cv2.WND_PROP_VISIBLE屬性的7個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: show
# 需要導入模塊: import cv2 [as 別名]
# 或者: from cv2 import WND_PROP_VISIBLE [as 別名]
def show(window, img):
"""
Shows the image in OpenCV window with support for updating
the image in real-time. This will simply repeatedly display the image.
This makes real-time update of image possible and also lets us handle
window close events reliably.
Params:
window: A python string, the name of the window in which to show the image
img: A numpy array. Image to be shown.
"""
while(1): # Will repeatedly show the image in given window.
cv2.imshow(window, img)
k = cv2.waitKey(1) & 0xFF # Capture the code of the pressed key.
# Stop the loop when the user clicks on GUI close button [x].
if not cv2.getWindowProperty(window, cv2.WND_PROP_VISIBLE):
print("Operation Cancelled")
break
if k == 27: # Key code for ESC
break
示例2: imshow
# 需要導入模塊: import cv2 [as 別名]
# 或者: from cv2 import WND_PROP_VISIBLE [as 別名]
def imshow(img, win_name='', wait_time=0):
"""Show an image.
Args:
img (str or ndarray): The image to be displayed.
win_name (str): The window name.
wait_time (int): Value of waitKey param.
"""
cv2.imshow(win_name, imread(img))
if wait_time == 0: # prevent from hangning if windows was closed
while True:
ret = cv2.waitKey(1)
closed = cv2.getWindowProperty(win_name, cv2.WND_PROP_VISIBLE) < 1
# if user closed window or if some key pressed
if closed or ret != -1:
break
else:
ret = cv2.waitKey(wait_time)
示例3: display_prediction
# 需要導入模塊: import cv2 [as 別名]
# 或者: from cv2 import WND_PROP_VISIBLE [as 別名]
def display_prediction(frame, frameString, fontFace=cv2.FONT_HERSHEY_SIMPLEX,
fontScale=1, thickness=2):
# Display emotion
retval, _ = cv2.getTextSize(
frameString, fontFace, fontScale, thickness)
cv2.rectangle(frame, (0, 0), (20 + retval[0], 50), (0, 0, 0), -1)
cv2.putText(frame, frameString, (10, 35), fontFace, fontScale,
(255, 255, 255), thickness, cv2.LINE_AA)
window_name = 'EmoPy Assessment'
cv2.imshow(window_name, frame)
while True:
key = cv2.waitKey(1)
# Press Esc to exit the window
if key == 27 or cv2.getWindowProperty(window_name, cv2.WND_PROP_VISIBLE) < 1:
break
# Closes all windows
cv2.destroyAllWindows()
示例4: is_running
# 需要導入模塊: import cv2 [as 別名]
# 或者: from cv2 import WND_PROP_VISIBLE [as 別名]
def is_running(self):
return (cv2.waitKey(1) != 27) and (cv2.getWindowProperty(self._window_name, cv2.WND_PROP_VISIBLE) >= 1)
開發者ID:siqueira-hc,項目名稱:Efficient-Facial-Feature-Learning-with-Wide-Ensemble-based-Convolutional-Neural-Networks,代碼行數:4,代碼來源:fer_demo.py
示例5: map
# 需要導入模塊: import cv2 [as 別名]
# 或者: from cv2 import WND_PROP_VISIBLE [as 別名]
def map(self, data):
image = data[self.src]
cv2.imshow(self.window_name, image)
# Exit?
key = cv2.waitKey(1) & 0xFF
# Esc key pressed or window closed?
if key == 27 or cv2.getWindowProperty(self.window_name, cv2.WND_PROP_VISIBLE) < 1:
raise StopIteration
return data
示例6: window_closed
# 需要導入模塊: import cv2 [as 別名]
# 或者: from cv2 import WND_PROP_VISIBLE [as 別名]
def window_closed(self, is_windows, is_conda, key):
""" Check whether the window has been closed
MS Windows doesn't appear to read the window state property
properly, so we check for a negative key press.
Conda (tested on Windows) doesn't appear to read the window
state property or negative key press properly, so we arbitrarily
use another property """
# pylint: disable=no-member
logger.trace("Commencing closed window check")
closed = False
prop_autosize = cv2.getWindowProperty('Frame', cv2.WND_PROP_AUTOSIZE)
prop_visible = cv2.getWindowProperty('Frame', cv2.WND_PROP_VISIBLE)
if self.arguments.disable_monitor:
closed = False
elif is_conda and prop_autosize < 1:
closed = True
elif is_windows and not is_conda and key == -1:
closed = True
elif not is_windows and not is_conda and prop_visible < 1:
closed = True
logger.trace("Completed closed window check. Closed is %s", closed)
if closed:
logger.debug("Window closed detected")
return closed
示例7: window_is_open
# 需要導入模塊: import cv2 [as 別名]
# 或者: from cv2 import WND_PROP_VISIBLE [as 別名]
def window_is_open(window_name):
return (cv2.waitKey(1) and
cv2.getWindowProperty(window_name, cv2.WND_PROP_VISIBLE) == 1.0)