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
def green_channel():
"""
The Author: Ibrahim Kasim
green_channel() -> Cimpl.Image:
Returns green filtered image. It directs user to choose an image that
is desired for filtering.
"""
image_file = Cimpl.choose_file()
original_image = Cimpl.load_image(image_file)
new_image = Cimpl.copy(original_image)
for pixel in original_image:
x, y, (r, g, b) = pixel
green_color = Cimpl.create_color(0, g, 0)
Cimpl.set_color(new_image, x, y, green_color)
return new_image
else:
xOffset = int(xOffset)
if yOffset == '':
yOffset = 0
else:
yOffset = int(yOffset)
itemCoords = extract_coords(customSelection)
updatedStateList = place_item(updatedStateList, itemCoords, xOffset, yOffset)
elif itemSelection == '3':
print("\nLOAD DATA:")
print("\nChoosing file...")
filename = Cimpl.choose_file()
itemData = open(filename, 'r')
print("Data loaded successfully from path:")
print(filename)
print("\nPOSITION:")
xOffset = input("\nPROMPT (x offset): ")
yOffset = input("PROMPT (y offset): ")
if xOffset == '':
xOffset = 0
else:
xOffset = int(xOffset)
if yOffset == '':
yOffset = 0
#Convert the altered pixel green component in binary from a list to a string
new_green = ''.join(str(e) for e in pixel_green_binary)
new_green = int(new_green, 2)
#Convert the altered pixel blue component in binary from a list to a string
new_blue = ''.join(str(e) for e in pixel_blue_binary)
new_blue = int(new_blue, 2)
#Create and Set color
new_color = Cimpl.create_color(new_red, new_green, new_blue)
Cimpl.set_color(img, x, y, new_color)
#load image
image = Cimpl.load_image(Cimpl.choose_file())
#Convert user input string to binary
string = input("Input the text you would like to hide:")
string = "*****" + string + '|||||'
string_in_bin = text_to_bits(string)
string_in_bin = list(string_in_bin)
#calculate how many bits we can alter
image_width = Cimpl.get_width(image)
image_height = Cimpl.get_height(image)
open_bits = image_width*image_height*3
