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Wand shadow() function – Python
  • Last Updated : 04 May, 2020

The shadow() function is an inbuilt function in the Python Wand ImageMagick library which is used to generates an image shadow.

Syntax:

shadow(alpha, sigma, x, y)

Parameters: This function accepts four parameters as mentioned above and defined below:

  • alpha: This parameter stores the ratio of the transparency.
  • sigma: This parameter stores the sigma level of the sharpen image.
  • x: This parameter stores the x-offset.
  • y: This parameter stores the y-offset.

Return Value: This function returns the Wand ImageMagick object.

Original Image:

Example 1:






# Import library from Image 
from wand.image import Image
  
# Import the image
with Image(filename ='../geeksforgeeks.png') as image:
    # Clone the image in order to process
    with image.clone() as shadow:
        # Invoke shadow function
        shadow.shadow(0.8, 0.2, 10, 40)
        # Save the image
        shadow.save(filename ='shadow1.jpg')

Output:

Example 2:




# Import libraries from the wand  
from wand.image import Image
from wand.drawing import Drawing
from wand.color import Color
  
with Drawing() as draw:
    # Set Stroke color the circle to black
    draw.stroke_color = Color('black')
    # Set Width of the circlw to 2 
    draw.stroke_width = 1
    # Set the fill color to 'White (# FFFFFF)'
    draw.fill_color = Color('white')
  
    # Invoke Circle function with center at 50, 50 and radius 25
    draw.circle((200, 200), # Center point
                (100, 100)) # Perimeter point
    # Set the font style
    draw.font = '../Helvetica.ttf'
    # Set the font size 
    draw.font_size = 30
      
    with Image(width = 400, height = 400, background = Color('# 45ff33')) as pic:
        # Set the text and its location
        draw.text(int(pic.width / 3), int(pic.height / 2), 'GeeksForGeeks !')
        # Draw the picture
        draw(pic)
        # Invoke shadow function method 
        pic.shadow(0.3, .1, 1, 2)
        # Save the image 
        pic.save(filename ='shadow2.jpg')

Output:

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