pythoshop.adjust_brightness

Module Contents

Functions

adjust_brightness(img, brightness_factor[, verbose])

Adjust the brightness of an image and save the result.
pythoshop.adjust_brightness.adjust_brightness(img, brightness_factor, verbose=False)[source]

Adjust the brightness of an image and save the result.

This function changes the brightness of an input image by a specified factor. The factor can be positive to increase brightness or negative to decrease it. The brightness change is applied uniformly to all pixels of the image.

Parameters:

  • image_path (str) – The file path to the image that needs brightness adjustment. The image can be in .jpg or .png format.

  • brightness_factor (int or float) – A value that determines the amount by which to adjust the brightness. Positive values increase brightness, while negative values decrease it.

Returns:

The adjusted image is saved as a .png file at the same location as the input with “_brightened” appended to the original filename.

Return type:

None

Raises:

  • IOError – If the image file cannot be opened or saved.

  • Example: –

  • >>> img = mpimg.imread("tests/test_img_1.png") –

  • >>> img_adjusted = adjust_brightness(img, -0.3) –