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Pgmagick wave() method - Python

Last Updated : 26 May, 2020
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The wave() function is an inbuilt function in the Pgmagick library which is used to alter an image along with a sine wave. The function returns the true value on success.
Syntax:
wave(amplitude, wavelength)
Parameters: This function accept two parameters as mentioned above and described below:
  • amplitude: This parameter stores the value of the amplitude of the sine wave.
  • wavelength: This parameter stores the value of the wavelength of the sine wave.
Return Value: This function returns the Pgmagick object with image added.
Input Image: Example 1: Python3
from pgmagick import Image, DrawableCircle, DrawableText
from pgmagick import Geometry, Color

# draw the image of dimension 600 * 600
img = Image('input.png')

# invoke wave function with amplitude 5 and wavelength 8
img.wave(5, 8)

# invoke write function along with filename
img.write('2_a.png')
Output: Example 2: Python3
# import library
from pgmagick import Image, DrawableCircle, DrawableText
from pgmagick import Geometry, Color

# Draw image of dimension 600 * 600 having background green
im = Image(Geometry(600, 600), Color("# 32CD32"))

# invoke DrawableCircle() function
circle = DrawableCircle(100, 100, 300, 20)

# invoke draw() function
im.draw(circle)

# set font size to 40px
im.fontPointsize(40)

# invoke DrawableText() function
text = DrawableText(250, 450, "GeeksForGeeks")

# invoke draw() function
im.draw(text)

# invoke wave function with amplitude 15 and wavelength 18
im.wave(15, 18)

# invoke write function along with filename
im.write('1_b.png')
Output:

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