Handy CV2

handypy.hcv2.imread(*args, **kwargs) → numpy.ndarray[source]

Fail-safe image read

Parameters

  • args – Pass to cv2.imread(). filename is required.

  • kwargs – Pass to cv2.imread().

Returns

image numpy array

handypy.hcv2.imwrite(*args, **kwargs) → int[source]

Fail-safe and convenient image write. Put image and image filename in any order.

Parameters

  • args – Pass to cv2.imwrite(). filename and img are required as arguments (order-free) or keywords.

  • kwargs – Pass to cv2.imwrite().

Returns

0,1

Raise

RuntimeError

handypy.hcv2.putChineseText(image: numpy.ndarray, text: str, org=(0, 0), font=None, fontScale=1, color=(0, 0, 255), thickness=1, lineType=None, bottomLeftOrigin=False) → numpy.ndarray[source]

Add CJK text to image

Parameters

  • image – image array

  • text – text to be added

  • org – origin of text, from top left by default

  • font – font name if in the system, or font file path

  • fontScale – font size. Size 1 corresponds to 12 pixel.

  • color – BGR color, default red.

  • thickness – no effect, place holder.

  • lineType – no effect, place holder.

  • bottomLeftOrigin – True to start from bottom left, default False

Returns

image with text added

handypy.hcv2.putText(image: numpy.ndarray, text: str, org=(0, 0), font=1, fontScale=1, color=(0, 0, 255), thickness=1, lineType=16, bottomLeftOrigin=False) → numpy.ndarray[source]

Add text to cv2 image, with default values.

Parameters

  • image – image array

  • text – text to be added

  • org – origin of text, from top left by default

  • font – font choice

  • fontScale – font size

  • color – BGR color, red by default

  • thickness – font thickness

  • lineType – line type of text

  • bottomLeftOrigin – True to start from bottom left, default False

Returns

image with text added