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Wand solarize() function – Python

  • Last Updated : 19 May, 2021

The solarize() function is an inbuilt function in the Python Wand ImageMagick library which is used to negate all pixels above the threshold level.

Syntax: 

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solarize(threshold, channel)

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



  • threshold: This parameter stores the threshold level from 0 to available quantum range.
  • channel: This is an optional parameter which stores the available method.

Return Value: This function returns the Wand ImageMagick object.

Original Image: 

Example 1:  

Python3




# 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 solarize:
        # Invoke solarize function with threshold value 35
        solarize.solarize(35)
        # Save the image
        solarize.save(filename ='solarize1.jpg')

Output: 

Example 2:  

Python3




# 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 circle 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 solarize function method with threshold value 60 and channel as 'green'
        pic.solarize(60, 'green')
        # Save the image
        pic.save(filename ='solarize2.jpg')

Output: 

 




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