def main():
"""
() -> NoneType
Main Program that load image(s) from file(s) and performs transformations!
"""
#Loads the original image
original_img = image.load_from_file('crayons.png')
obamanation = image.load_from_file('obama.png')
stopschild = image.load_from_file('stop_sign.png')
blaetter = image.load_from_file('leaves.png')
#Assign a bunch of variables and transforms more than Optimus Prime
color_cycled = color_cycle(original_img)
grayscaled = grayscale(original_img)
negated = negative(original_img)
brightered = brightness(original_img)
contrasted = increase_contrast(original_img)
posterized = posterize(original_img)
obamafied = obamafy(obamanation)
redded = key_out_red(stopschild, blaetter)
#displays all images
image.display_images(color_cycled, grayscaled, negated, brightered, contrasted, posterized)
image.display_images(obamafied, redded)
import image
img = image.load_from_file('crayons.png')
negative = image.copy_image(img)
w = img.width()
h = img.height()
for x in range(w): # converts image to negative
for y in range(h):
r, g, b = img.get_rgb(x, y)
negative.set_rgb(x, y, abs(r - 255), abs(g - 255), abs(b - 255))
image.save_to_file(negative, 'negative.png')
image.display_images(img, negative)
import image
img = image.load_from_file('crayons.png')
posterize = image.copy_image(img)
w = img.width()
h = img.height()
for x in range(w): # posterizes the image
for y in range(h):
r, g, b = img.get_rgb(x, y)
posterize.set_rgb(x, y, (r/32)*32, (g/32)*32, (b/32)*32)
image.save_to_file(posterize, 'posterize.png')
image.display_images(img, posterize)
#Leo Ascenzi
import image
img = image.load_from_file('landmark_puzzle.png')
h = img.height()
w = img.width()
for x in range(w):
for y in range(h):
r, g, b = img.get_rgb(x,y)
img.set_rgb(x, y,0,g*25,0)
image.display_images(img)
import image
# asks user for input
brightness_change = int(raw_input("Enter how much you want to change the brightness: "))
img = image.load_from_file('crayons.png')
brightness = image.copy_image(img)
w = img.width()
h = img.height()
for x in range(w): # changes brightness by a factor determined by the user
for y in range(h):
r, g, b = img.get_rgb(x, y)
brightness.set_rgb(x, y, max(min(r + brightness_change, 255), 0), max(min(g + brightness_change, 255), 0), max(min(b + brightness_change, 255), 0))
image.save_to_file(brightness, 'brightness.png')
image.display_images(img, brightness)
import image
img = image.load_from_file('crayons.png')
color_cycle = image.copy_image(img)
w = img.width()
h = img.height()
for x in range(w): # converts image through color cycling
for y in range(h):
r, g, b = img.get_rgb(x, y)
color_cycle.set_rgb(x, y, b, r, g)
image.save_to_file(color_cycle, 'color cycle.png')
image.display_images(img, color_cycle)
import image
img = image.load_from_file('crayons.png')
grayscale = image.copy_image(img)
w = img.width()
h = img.height()
for x in range(w): # converts image to grayscale
for y in range(h):
r, g, b = img.get_rgb(x, y)
grayscale.set_rgb(x, y, (r + g + b)/3, (r + g + b)/3, (r + g + b)/3)
image.save_to_file(grayscale, 'grayscale.png')
image.display_images(img, grayscale)
# save the new image to a file
image.save_to_file(red_only_img, 'red_crayons.png')
# -------------------------------
# EXAMPLE PROGRAM #2: COPY TOP
# -------------------------------
img = image.load_from_file('crayons.png')
img_copy = image.copy_image(img)
w = img.width()
h = img.height()
# loop over every x value...
for x in range(w):
# ... but only loop over y values in top half
for y in range(h/2):
# get rgb from top half of original image
r, g, b = img.get_rgb(x, y)
# copy over rgb from top half to bottom half
img_copy.set_rgb(x, y + h/2, r, g, b)
# save the new image to a file
image.save_to_file(img_copy, 'copy_top.png')
# create window that displays both the original and modified images
image.display_images(img, red_only_img, img_copy)
if (r + g + b)/3 < 60: # if the grayscale value is less than 60, make the pixel dark blue
obamafy.set_rgb(x, y, 0, 51, 76)
elif (r + g + b)/3 < 121: # if the grayscale is 60 <= value < 121, make the pixel red
obamafy.set_rgb(x, y, 217,26,33)
elif (r + g + b)/3 <= 182: # if the grayscale is 121 <= value < 182, make the pixel light blue
obamafy.set_rgb(x, y, 112, 150, 158)
else: # if the grayscale value is greater than or equal to 182, make the pixel yellow
obamafy.set_rgb(x, y, 252, 227, 166)
image.save_to_file(obamafy, 'obamafy.png')
# -------------------------------
# 8. Challenge problem
# -------------------------------
# -------------------------------
# Lastly, display everything. One call
# to image.display_images will do it. Just
# pass all your image objects as parameters
# to that function.
# -------------------------------
# image.display_images( )
image.display_images(img, grayscale, color_cycle, negative) # NOTE: the user must quit out of each set of images for the next set to be displayed
image.display_images(brightness, contrast, posterize)
image.display_images(imgtwo, obamafy)
import image
img = image.load_from_file('obama.png')
obamafy = image.copy_image(img)
w = img.width()
h = img.height()
for x in range(w): # obamafies the image
for y in range(h):
r, g, b = img.get_rgb(x, y)
if (r + g + b)/3 < 60:
obamafy.set_rgb(x, y, 0, 51, 76)
elif (r + g + b)/3 < 121:
obamafy.set_rgb(x, y, 217,26,33)
elif (r + g + b)/3 <= 182:
obamafy.set_rgb(x, y, 112, 150, 158)
else:
obamafy.set_rgb(x, y, 252, 227, 166)
image.save_to_file(obamafy, 'obamafy.png')
image.display_images(img, obamafy)
