原始圖片：

范例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 posterize:

# Invoke posterize function

posterize.posterize(2, 'no')

# Save the image

posterize.save(filename ='posterize1.jpg')

輸出：

范例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 posterize function method

pic.posterize(3, 'floyd_steinberg')

# Save the image

pic.save(filename ='posterize2.jpg')

輸出：

總結

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