python_exercises/thinkcspy/Chapter-8-Exercises/Python-files/Problem8.py
2023-09-29 12:39:26 -06:00

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Python

# Runestone.Academy thinkcspy course
# Chapter 8
# Problem 8
import image
def greyScale (red, blue, green):
return (red + blue + green)/3
img = image.Image("luther.jpg")
win = image.ImageWin(img.getWidth(), img.getHeight())
img.draw(win)
img.setDelay(0) # setDelay(0) turns off animation
for row in range(img.getHeight()):
for col in range(img.getWidth()):
p = img.getPixel(col, row)
pixelColor = greyScale(p.getRed(), p.getGreen(), p.getBlue())
newblue = newgreen = newred = pixelColor
newpixel = image.Pixel(newred, newgreen, newblue)
img.setPixel(col, row, newpixel)
img.draw(win)
win.exitonclick()