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Wand watermark() function – Python

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The watermark() function is an inbuilt function in the Python Wand ImageMagick library which is used to transparentized the supplied image and places it over the current image, with the top left corner of the image at coordinates left, top of the current image. 
 

Syntax: 

watermark(image, transparency, left, top)

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

  • Image: This parameter stores the image which is to be placed.
  • Transparency: This parameter stores the value of the amount of transparency. It ranges from 0.0 to 1.0.
  • Left: This parameter stores the value of the x-coordinate where image will be placed.
  • Top: This parameter stores the value of the y-coordinate where image will be placed.

Return Value: This function returns the Wand ImageMagick object.

Original Image: 
 

Watermark Image: 
 

Example 1: 
 

Python3




# Import library from Image
from wand.image import Image
 
# Import the image
with Image(filename ='../geeksforgeeks.png') as image:
    # Import the watermark image
    with Image(filename ='wave1.jpg') as water:
        # Clone the image in order to process
        with image.clone() as watermark:
            # Invoke watermark function with watermark image, transparency as 0.5
            # left as 10 and top as 20
            watermark.watermark(water, 0.5, 10, 20)
                # Save the image
            watermark.save(filename ='watermark1.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)
        # Import the watermark image
        with Image(filename ='wave1.jpg') as water:
            # Invoke watermark function with watermark image, transparency as 0.5
            # left as 10 and top as 20
            pic.watermark(water, 0.5, 10, 20)
            # Save the image
            pic.save(filename ='watermark2.jpg')


Output: 
 

 



Last Updated : 01 Jul, 2022
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