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Wand unique_colors() function - Python

Last Updated : 07 Jul, 2021
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The unique_colors() function is an inbuilt function in the Python Wand ImageMagick library which is used to discard all duplicate pixels. It rebuilds the image as a single row. 
 

Syntax: 
 

unique_colors()


Parameters: This function does not accept any parameter.
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 unique_colors:
        # Invoke unique_colors function
        unique_colors.unique_colors()
        # Save the image
        unique_colors.save(filename ='unique_colors1.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 unique_colors() function
        pic.unique_colors()
        # Save the image 
        pic.save(filename ='unique_colors2.jpg')

Output: 
 


 


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