def apply_filter(image: Cimpl.Image, command: str) -> Cimpl.Image:
"""
Author: Ibrahim Kasim, Himanshu Singh
RETURNS a Cimpl.Image object and
applies a filter to image based on command,
and displays the result.
image is a Cimpl.Image object
command is a str representing the filter to be applied
>>> apply_filter(Cimpl.load_image(Cimpl.choose_file()), 'X')
"""
filter_functions = {
'2': two_tone,
'3': three_tone,
'X': extreme_contrast,
'T': sepia,
'P': posterize,
'E': detect_edges,
'I': detect_edges_better,
'V': flip_vertical,
'H': flip_horizontal,
}
if command == 'E' or command == 'I':
image = filter_functions[command](image, prompt_threshold())
else:
image = filter_functions[command](image)
Cimpl.show(image)
return image
def load_image() -> Cimpl.Image:
"""
Author: Ibrahim Kasim, Himanshu Singh
RETURNS a Cimpl.Image object.
Prompts the user to select
an image file to load, and
displays the loaded image
>>> load_image()
"""
print("Select an image file to load")
image = Cimpl.load_image(Cimpl.choose_file())
Cimpl.show(image)
return image
gameBoard, updatedStateList = create_empty_board(res, width, height)
else:
print("\nINFO: Settings unchanged.")
clearLoop = False
clearLoop = False
else:
input("\nERROR: No such selection exists. Press enter:")
else:
lscLoop = False
elif selection == '3':
Cimpl.show(gameBoard)
elif selection == '4':
print("INFO: This may take a while, please be patient. Running simulation....")
wildcardFrames = "images/frame*.png"
count, check = 0, 0
check_directory()
remove_old_frames(wildcardFrames)
originalUpdatedStateList = deepcopy(updatedStateList)
# SIMULATION BEGINS ---------------------------------------------------
simLoop = True
while simLoop == True and count <= maxFrames:
pixelStateList = deepcopy(updatedStateList)
refresh_board(gameBoard, res, blockColor, updatedStateList)
if errors == 0:
print(
"SUCCESS: expected and outcome are of the same type and have identical pixels."
)
else:
print("{} ERRORS detected.".format(errors))
else:
print("ERROR: Different types detected.\n"
"Expected: Type {}\n"
"Outcome: Type {}".format(type(expected), type(outcome)))
print("---TESTING FUNCTION green_channel()---")
expected = Cimpl.load_image(input("Select expected image filename: "))
print("DISPLAYING EXPECTED IMAGE: ")
Cimpl.show(expected)
testfile = Cimpl.load_image(
input(
"Input filename of image to be passed through FUNCTION green_channel: "
))
print("DISPLAYING TEST IMAGE: ")
Cimpl.show(testfile)
print("PASSING TEST IMAGE INTO function green_channel: ")
outcome = green_channel(testfile)
print("DISPLAYING OUTCOME: ")
Cimpl.show(outcome)
print("COMPARING EXPECTED AND OUTCOME")
#check_equal(expected, outcome)
RETURNS the sum of three numbers
PASSED. If sum exceeds 255, then
the sum is 255.
>>> compute_sum(5,6,7)
18
"""
if r + g + b <= 255:
return r + g + b
else:
return 255
original = Cimpl.load_image(input("Input image filename: "))
print("DISPLAYING IMAGE: ")
Cimpl.show(original)
print("COMPUTING RED FILTERED IMAGE")
red = red_channel(original)
print("DISPLAYING RED FILTERED IMAGE: ")
Cimpl.show(red)
print("COMPUTING GREEN FILTERED IMAGE")
green = green_channel(original)
print("DISPLAYING GREEN FILTERED IMAGE: ")
Cimpl.show(green)
print("COMPUTING BLUE FILTERED IMAGE")
blue = blue_channel(original)
print("DISPLAYING BLUE FILTERED IMAGE: ")
Cimpl.show(blue)
errors += 1
if errors == 0:
print(
"SUCCESS: expected and outcome are of the same type and have identical pixels."
)
else:
print("{} ERRORS detected.".format(errors))
else:
print("ERROR: Different types detected.\n"
"Expected: Type {}\n"
"Outcome: Type {}".format(type(expected), type(outcome)))
expected = Cimpl.load_image(input('Input EXPECTED image filename: '))
print("DISPLAYING EXPECTED IMAGE")
Cimpl.show(expected)
red = Cimpl.load_image(
input("Input red image filename: ")) # choose_file does not work for me.
print("DISPLAYING RED IMAGE")
Cimpl.show(red)
green = Cimpl.load_image(input("Input green image filename: "))
print("DISPLAYING GREEN IMAGE")
Cimpl.show(green)
blue = Cimpl.load_image(input("Select blue image filename: "))
print("DISPLAYING BLUE IMAGE")
Cimpl.show(blue)
print("COMBINING IMAGES")
outcome = combine(red, green, blue)
